Re: [Mikrotik] Tx/Rx Rate
Short Preamble Steve Barnes wrote: I have updated several of my towers to 3.24 and started noticing on the Registration Tab in the Tx/Rx Rate column I have a most that say 11Mbps/11Mbps. But I have a few that will say 11Mbps-SP/11Mbps-SP. What does the SP signify? Steve Barnes RC-WiFi ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS
Re: [Mikrotik] Tx/Rx Rate
Thanks a bunch. That means those are ones that my installers didn't setup right GREAT. Steve Barnes Manager PCS-WIN RC-WiFi Wireless Internet Service -Original Message- From: mikrotik-boun...@mail.butchevans.com [mailto:mikrotik-boun...@mail.butchevans.com] On Behalf Of Robert Andrews Sent: Thursday, June 18, 2009 9:22 AM To: Mikrotik discussions Subject: Re: [Mikrotik] Tx/Rx Rate Short Preamble Steve Barnes wrote: I have updated several of my towers to 3.24 and started noticing on the Registration Tab in the Tx/Rx Rate column I have a most that say 11Mbps/11Mbps. But I have a few that will say 11Mbps-SP/11Mbps-SP. What does the SP signify? Steve Barnes RC-WiFi ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS
Re: [Mikrotik] Tx/Rx Rate
What is the difference between short and long preamble? Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Steve Barnes wrote: Thanks a bunch. That means those are ones that my installers didn't setup right GREAT. Steve Barnes Manager PCS-WIN RC-WiFi Wireless Internet Service -Original Message- From: mikrotik-boun...@mail.butchevans.com [mailto:mikrotik-boun...@mail.butchevans.com] On Behalf Of Robert Andrews Sent: Thursday, June 18, 2009 9:22 AM To: Mikrotik discussions Subject: Re: [Mikrotik] Tx/Rx Rate Short Preamble Steve Barnes wrote: I have updated several of my towers to 3.24 and started noticing on the Registration Tab in the Tx/Rx Rate column I have a most that say 11Mbps/11Mbps. But I have a few that will say 11Mbps-SP/11Mbps-SP. What does the SP signify? Steve Barnes RC-WiFi ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS
Re: [Mikrotik] Tx/Rx Rate
http://tinyurl.com/lf75qw Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 When you have eliminated the impossible, that which remains, however improbable, must be the truth. --- Sir Arthur Conan Doyle On Thu, Jun 18, 2009 at 10:06 AM, Chris Gotstein ch...@uplogon.com wrote: What is the difference between short and long preamble? Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Steve Barnes wrote: Thanks a bunch. That means those are ones that my installers didn't setup right GREAT. Steve Barnes Manager PCS-WIN RC-WiFi Wireless Internet Service -Original Message- From: mikrotik-boun...@mail.butchevans.com [mailto:mikrotik-boun...@mail.butchevans.com] On Behalf Of Robert Andrews Sent: Thursday, June 18, 2009 9:22 AM To: Mikrotik discussions Subject: Re: [Mikrotik] Tx/Rx Rate Short Preamble Steve Barnes wrote: I have updated several of my towers to 3.24 and started noticing on the Registration Tab in the Tx/Rx Rate column I have a most that say 11Mbps/11Mbps. But I have a few that will say 11Mbps-SP/11Mbps-SP. What does the SP signify? Steve Barnes RC-WiFi ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS -- next part -- An HTML attachment was scrubbed... URL: http://www.butchevans.com/pipermail/mikrotik/attachments/20090618/7998eca6/attachment.html ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS
Re: [Mikrotik] Tx/Rx Rate
Ouch, that wasn't so nice! Yes, i do know how to use google, but was hoping someone would just give me a quick explanation, as in real world experience. Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Josh Luthman wrote: http://tinyurl.com/lf75qw Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 When you have eliminated the impossible, that which remains, however improbable, must be the truth. --- Sir Arthur Conan Doyle On Thu, Jun 18, 2009 at 10:06 AM, Chris Gotstein ch...@uplogon.com wrote: What is the difference between short and long preamble? Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Steve Barnes wrote: Thanks a bunch. That means those are ones that my installers didn't setup right GREAT. Steve Barnes Manager PCS-WIN RC-WiFi Wireless Internet Service -Original Message- From: mikrotik-boun...@mail.butchevans.com [mailto:mikrotik-boun...@mail.butchevans.com] On Behalf Of Robert Andrews Sent: Thursday, June 18, 2009 9:22 AM To: Mikrotik discussions Subject: Re: [Mikrotik] Tx/Rx Rate Short Preamble Steve Barnes wrote: I have updated several of my towers to 3.24 and started noticing on the Registration Tab in the Tx/Rx Rate column I have a most that say 11Mbps/11Mbps. But I have a few that will say 11Mbps-SP/11Mbps-SP. What does the SP signify? Steve Barnes RC-WiFi ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS -- next part -- An HTML attachment was scrubbed... URL: http://www.butchevans.com/pipermail/mikrotik/attachments/20090618/7998eca6/attachment.html ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS
Re: [Mikrotik] Tx/Rx Rate
For some reason it doesn't actually use the I'm Feeling Lucky button =/ The first link reads: The 18 byte (long preamble) preamble is used to signal here is a train of data coming to the receiver. The 802.11b standard gives an option of reducing the size of the PLCP preamble to 9 bytes *(short preamble), this significantly increases the throughput performance at higher data rates*. One downside to the PLCP is that the PLCP preamble and header is always transmitted at 1Mbps, regardless of the transmission rate for the rest of the data. This means that the transfer time is constant at 192 Usec (microseconds) for the PLCP with long preamble. The short preamble version does a little better, transmitting the shorter preamble at 1Mbps and the header at 2Mbps, shortening the transmit time to 96 Usec. Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 When you have eliminated the impossible, that which remains, however improbable, must be the truth. --- Sir Arthur Conan Doyle On Thu, Jun 18, 2009 at 10:15 AM, Chris Gotstein ch...@uplogon.com wrote: Ouch, that wasn't so nice! Yes, i do know how to use google, but was hoping someone would just give me a quick explanation, as in real world experience. Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Josh Luthman wrote: http://tinyurl.com/lf75qw Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 When you have eliminated the impossible, that which remains, however improbable, must be the truth. --- Sir Arthur Conan Doyle On Thu, Jun 18, 2009 at 10:06 AM, Chris Gotstein ch...@uplogon.com wrote: What is the difference between short and long preamble? Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Steve Barnes wrote: Thanks a bunch. That means those are ones that my installers didn't setup right GREAT. Steve Barnes Manager PCS-WIN RC-WiFi Wireless Internet Service -Original Message- From: mikrotik-boun...@mail.butchevans.com [mailto:mikrotik-boun...@mail.butchevans.com] On Behalf Of Robert Andrews Sent: Thursday, June 18, 2009 9:22 AM To: Mikrotik discussions Subject: Re: [Mikrotik] Tx/Rx Rate Short Preamble Steve Barnes wrote: I have updated several of my towers to 3.24 and started noticing on the Registration Tab in the Tx/Rx Rate column I have a most that say 11Mbps/11Mbps. But I have a few that will say 11Mbps-SP/11Mbps-SP. What does the SP signify? Steve Barnes RC-WiFi ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS -- next part -- An HTML attachment was scrubbed... URL: http://www.butchevans.com/pipermail/mikrotik/attachments/20090618/7998eca6/attachment.html ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS -- next part -- An HTML attachment was scrubbed... URL: http://www.butchevans.com/pipermail/mikrotik/attachments/20090618/3c76b8e1/attachment.html ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS
Re: [Mikrotik] Tx/Rx Rate
I've been setting it to auto, does it matter a whole lot 1 way or the other? Are others forcing the preamble? Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Josh Luthman wrote: For some reason it doesn't actually use the I'm Feeling Lucky button =/ The first link reads: The 18 byte (long preamble) preamble is used to signal here is a train of data coming to the receiver. The 802.11b standard gives an option of reducing the size of the PLCP preamble to 9 bytes *(short preamble), this significantly increases the throughput performance at higher data rates*. One downside to the PLCP is that the PLCP preamble and header is always transmitted at 1Mbps, regardless of the transmission rate for the rest of the data. This means that the transfer time is constant at 192 Usec (microseconds) for the PLCP with long preamble. The short preamble version does a little better, transmitting the shorter preamble at 1Mbps and the header at 2Mbps, shortening the transmit time to 96 Usec. Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 When you have eliminated the impossible, that which remains, however improbable, must be the truth. --- Sir Arthur Conan Doyle On Thu, Jun 18, 2009 at 10:15 AM, Chris Gotstein ch...@uplogon.com wrote: Ouch, that wasn't so nice! Yes, i do know how to use google, but was hoping someone would just give me a quick explanation, as in real world experience. Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Josh Luthman wrote: http://tinyurl.com/lf75qw Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 When you have eliminated the impossible, that which remains, however improbable, must be the truth. --- Sir Arthur Conan Doyle On Thu, Jun 18, 2009 at 10:06 AM, Chris Gotstein ch...@uplogon.com wrote: What is the difference between short and long preamble? Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Steve Barnes wrote: Thanks a bunch. That means those are ones that my installers didn't setup right GREAT. Steve Barnes Manager PCS-WIN RC-WiFi Wireless Internet Service -Original Message- From: mikrotik-boun...@mail.butchevans.com [mailto:mikrotik-boun...@mail.butchevans.com] On Behalf Of Robert Andrews Sent: Thursday, June 18, 2009 9:22 AM To: Mikrotik discussions Subject: Re: [Mikrotik] Tx/Rx Rate Short Preamble Steve Barnes wrote: I have updated several of my towers to 3.24 and started noticing on the Registration Tab in the Tx/Rx Rate column I have a most that say 11Mbps/11Mbps. But I have a few that will say 11Mbps-SP/11Mbps-SP. What does the SP signify? Steve Barnes RC-WiFi ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS -- next part -- An HTML attachment was scrubbed... URL: http://www.butchevans.com/pipermail/mikrotik/attachments/20090618/7998eca6/attachment.html ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS -- next part -- An HTML attachment was scrubbed... URL: http://www.butchevans.com/pipermail/mikrotik/attachments/20090618/3c76b8e1/attachment.html ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS
Re: [Mikrotik] Tx/Rx Rate
Every customer I have left it figure out. The disadvantage is that it goes up and down based on usage. This is bad for VoIP. However, I have had no complaints. Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 When you have eliminated the impossible, that which remains, however improbable, must be the truth. --- Sir Arthur Conan Doyle On Thu, Jun 18, 2009 at 10:43 AM, Chris Gotstein ch...@uplogon.com wrote: I've been setting it to auto, does it matter a whole lot 1 way or the other? Are others forcing the preamble? Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Josh Luthman wrote: For some reason it doesn't actually use the I'm Feeling Lucky button =/ The first link reads: The 18 byte (long preamble) preamble is used to signal here is a train of data coming to the receiver. The 802.11b standard gives an option of reducing the size of the PLCP preamble to 9 bytes *(short preamble), this significantly increases the throughput performance at higher data rates*. One downside to the PLCP is that the PLCP preamble and header is always transmitted at 1Mbps, regardless of the transmission rate for the rest of the data. This means that the transfer time is constant at 192 Usec (microseconds) for the PLCP with long preamble. The short preamble version does a little better, transmitting the shorter preamble at 1Mbps and the header at 2Mbps, shortening the transmit time to 96 Usec. Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 When you have eliminated the impossible, that which remains, however improbable, must be the truth. --- Sir Arthur Conan Doyle On Thu, Jun 18, 2009 at 10:15 AM, Chris Gotstein ch...@uplogon.com wrote: Ouch, that wasn't so nice! Yes, i do know how to use google, but was hoping someone would just give me a quick explanation, as in real world experience. Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Josh Luthman wrote: http://tinyurl.com/lf75qw Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 When you have eliminated the impossible, that which remains, however improbable, must be the truth. --- Sir Arthur Conan Doyle On Thu, Jun 18, 2009 at 10:06 AM, Chris Gotstein ch...@uplogon.com wrote: What is the difference between short and long preamble? Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Steve Barnes wrote: Thanks a bunch. That means those are ones that my installers didn't setup right GREAT. Steve Barnes Manager PCS-WIN RC-WiFi Wireless Internet Service -Original Message- From: mikrotik-boun...@mail.butchevans.com [mailto:mikrotik-boun...@mail.butchevans.com] On Behalf Of Robert Andrews Sent: Thursday, June 18, 2009 9:22 AM To: Mikrotik discussions Subject: Re: [Mikrotik] Tx/Rx Rate Short Preamble Steve Barnes wrote: I have updated several of my towers to 3.24 and started noticing on the Registration Tab in the Tx/Rx Rate column I have a most that say 11Mbps/11Mbps. But I have a few that will say 11Mbps-SP/11Mbps-SP. What does the SP signify? Steve Barnes RC-WiFi ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS -- next part -- An HTML attachment was scrubbed... URL: http://www.butchevans.com/pipermail/mikrotik/attachments/20090618/7998eca6/attachment.html ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS
Re: [Mikrotik] Tx/Rx Rate
Maybe worth locking it to long for PtP links and leaving it auto for Client to AP? Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Josh Luthman wrote: Every customer I have left it figure out. The disadvantage is that it goes up and down based on usage. This is bad for VoIP. However, I have had no complaints. Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 When you have eliminated the impossible, that which remains, however improbable, must be the truth. --- Sir Arthur Conan Doyle On Thu, Jun 18, 2009 at 10:43 AM, Chris Gotstein ch...@uplogon.com wrote: I've been setting it to auto, does it matter a whole lot 1 way or the other? Are others forcing the preamble? Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Josh Luthman wrote: For some reason it doesn't actually use the I'm Feeling Lucky button =/ The first link reads: The 18 byte (long preamble) preamble is used to signal here is a train of data coming to the receiver. The 802.11b standard gives an option of reducing the size of the PLCP preamble to 9 bytes *(short preamble), this significantly increases the throughput performance at higher data rates*. One downside to the PLCP is that the PLCP preamble and header is always transmitted at 1Mbps, regardless of the transmission rate for the rest of the data. This means that the transfer time is constant at 192 Usec (microseconds) for the PLCP with long preamble. The short preamble version does a little better, transmitting the shorter preamble at 1Mbps and the header at 2Mbps, shortening the transmit time to 96 Usec. Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 When you have eliminated the impossible, that which remains, however improbable, must be the truth. --- Sir Arthur Conan Doyle On Thu, Jun 18, 2009 at 10:15 AM, Chris Gotstein ch...@uplogon.com wrote: Ouch, that wasn't so nice! Yes, i do know how to use google, but was hoping someone would just give me a quick explanation, as in real world experience. Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Josh Luthman wrote: http://tinyurl.com/lf75qw Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 When you have eliminated the impossible, that which remains, however improbable, must be the truth. --- Sir Arthur Conan Doyle On Thu, Jun 18, 2009 at 10:06 AM, Chris Gotstein ch...@uplogon.com wrote: What is the difference between short and long preamble? Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Steve Barnes wrote: Thanks a bunch. That means those are ones that my installers didn't setup right GREAT. Steve Barnes Manager PCS-WIN RC-WiFi Wireless Internet Service -Original Message- From: mikrotik-boun...@mail.butchevans.com [mailto:mikrotik-boun...@mail.butchevans.com] On Behalf Of Robert Andrews Sent: Thursday, June 18, 2009 9:22 AM To: Mikrotik discussions Subject: Re: [Mikrotik] Tx/Rx Rate Short Preamble Steve Barnes wrote: I have updated several of my towers to 3.24 and started noticing on the Registration Tab in the Tx/Rx Rate column I have a most that say 11Mbps/11Mbps. But I have a few that will say 11Mbps-SP/11Mbps-SP. What does the SP signify? Steve Barnes RC-WiFi ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS -- next part -- An HTML attachment was scrubbed... URL: http://www.butchevans.com/pipermail/mikrotik/attachments/20090618/7998eca6/attachment.html ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com
Re: [Mikrotik] Tx/Rx Rate
When we have all devices that negotiate at short we use it, when we have mixed devices we go to long, but don't like it. Short has major throughput advantages. Robert Chris Gotstein wrote: I've been setting it to auto, does it matter a whole lot 1 way or the other? Are others forcing the preamble? Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Josh Luthman wrote: For some reason it doesn't actually use the I'm Feeling Lucky button =/ The first link reads: The 18 byte (long preamble) preamble is used to signal here is a train of data coming to the receiver. The 802.11b standard gives an option of reducing the size of the PLCP preamble to 9 bytes *(short preamble), this significantly increases the throughput performance at higher data rates*. One downside to the PLCP is that the PLCP preamble and header is always transmitted at 1Mbps, regardless of the transmission rate for the rest of the data. This means that the transfer time is constant at 192 Usec (microseconds) for the PLCP with long preamble. The short preamble version does a little better, transmitting the shorter preamble at 1Mbps and the header at 2Mbps, shortening the transmit time to 96 Usec. Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 When you have eliminated the impossible, that which remains, however improbable, must be the truth. --- Sir Arthur Conan Doyle On Thu, Jun 18, 2009 at 10:15 AM, Chris Gotstein ch...@uplogon.com wrote: Ouch, that wasn't so nice! Yes, i do know how to use google, but was hoping someone would just give me a quick explanation, as in real world experience. Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Josh Luthman wrote: http://tinyurl.com/lf75qw Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 When you have eliminated the impossible, that which remains, however improbable, must be the truth. --- Sir Arthur Conan Doyle On Thu, Jun 18, 2009 at 10:06 AM, Chris Gotstein ch...@uplogon.com wrote: What is the difference between short and long preamble? Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Steve Barnes wrote: Thanks a bunch. That means those are ones that my installers didn't setup right GREAT. Steve Barnes Manager PCS-WIN RC-WiFi Wireless Internet Service -Original Message- From: mikrotik-boun...@mail.butchevans.com [mailto:mikrotik-boun...@mail.butchevans.com] On Behalf Of Robert Andrews Sent: Thursday, June 18, 2009 9:22 AM To: Mikrotik discussions Subject: Re: [Mikrotik] Tx/Rx Rate Short Preamble Steve Barnes wrote: I have updated several of my towers to 3.24 and started noticing on the Registration Tab in the Tx/Rx Rate column I have a most that say 11Mbps/11Mbps. But I have a few that will say 11Mbps-SP/11Mbps-SP. What does the SP signify? Steve Barnes RC-WiFi ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS -- next part -- An HTML attachment was scrubbed... URL: http://www.butchevans.com/pipermail/mikrotik/attachments/20090618/7998eca6/attachment.html ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS -- next part -- An HTML attachment was scrubbed... URL: http://www.butchevans.com/pipermail/mikrotik/attachments/20090618/3c76b8e1/attachment.html
Re: [Mikrotik] Tx/Rx Rate
For PtP links I can definitely agree you want to lock it in place. For client to AP in a perfect world we should all spend the time to figure out what is the best for that link. As was said, I am far from perfect leaving it change on demand. Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 When you have eliminated the impossible, that which remains, however improbable, must be the truth. --- Sir Arthur Conan Doyle On Thu, Jun 18, 2009 at 10:48 AM, Chris Gotstein ch...@uplogon.com wrote: Maybe worth locking it to long for PtP links and leaving it auto for Client to AP? Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Josh Luthman wrote: Every customer I have left it figure out. The disadvantage is that it goes up and down based on usage. This is bad for VoIP. However, I have had no complaints. Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 When you have eliminated the impossible, that which remains, however improbable, must be the truth. --- Sir Arthur Conan Doyle On Thu, Jun 18, 2009 at 10:43 AM, Chris Gotstein ch...@uplogon.com wrote: I've been setting it to auto, does it matter a whole lot 1 way or the other? Are others forcing the preamble? Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Josh Luthman wrote: For some reason it doesn't actually use the I'm Feeling Lucky button =/ The first link reads: The 18 byte (long preamble) preamble is used to signal here is a train of data coming to the receiver. The 802.11b standard gives an option of reducing the size of the PLCP preamble to 9 bytes *(short preamble), this significantly increases the throughput performance at higher data rates*. One downside to the PLCP is that the PLCP preamble and header is always transmitted at 1Mbps, regardless of the transmission rate for the rest of the data. This means that the transfer time is constant at 192 Usec (microseconds) for the PLCP with long preamble. The short preamble version does a little better, transmitting the shorter preamble at 1Mbps and the header at 2Mbps, shortening the transmit time to 96 Usec. Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 When you have eliminated the impossible, that which remains, however improbable, must be the truth. --- Sir Arthur Conan Doyle On Thu, Jun 18, 2009 at 10:15 AM, Chris Gotstein ch...@uplogon.com wrote: Ouch, that wasn't so nice! Yes, i do know how to use google, but was hoping someone would just give me a quick explanation, as in real world experience. Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Josh Luthman wrote: http://tinyurl.com/lf75qw Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 When you have eliminated the impossible, that which remains, however improbable, must be the truth. --- Sir Arthur Conan Doyle On Thu, Jun 18, 2009 at 10:06 AM, Chris Gotstein ch...@uplogon.com wrote: What is the difference between short and long preamble? Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Steve Barnes wrote: Thanks a bunch. That means those are ones that my installers didn't setup right GREAT. Steve Barnes Manager PCS-WIN RC-WiFi Wireless Internet Service -Original Message- From: mikrotik-boun...@mail.butchevans.com [mailto:mikrotik-boun...@mail.butchevans.com] On Behalf Of Robert Andrews Sent: Thursday, June 18, 2009 9:22 AM To: Mikrotik discussions Subject: Re: [Mikrotik] Tx/Rx Rate Short Preamble Steve Barnes wrote: I have updated several of my towers to 3.24 and started noticing on the Registration Tab in the Tx/Rx Rate column I have a most that say 11Mbps/11Mbps. But I have a few that will say 11Mbps-SP/11Mbps-SP. What does the SP signify? Steve Barnes RC-WiFi ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list
Re: [Mikrotik] Tx/Rx Rate
Guess there's the flip side to using short though on the PtP's, but on my tranzeo gear, i can only lock to long. Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Josh Luthman wrote: For PtP links I can definitely agree you want to lock it in place. For client to AP in a perfect world we should all spend the time to figure out what is the best for that link. As was said, I am far from perfect leaving it change on demand. Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 When you have eliminated the impossible, that which remains, however improbable, must be the truth. --- Sir Arthur Conan Doyle On Thu, Jun 18, 2009 at 10:48 AM, Chris Gotstein ch...@uplogon.com wrote: Maybe worth locking it to long for PtP links and leaving it auto for Client to AP? Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Josh Luthman wrote: Every customer I have left it figure out. The disadvantage is that it goes up and down based on usage. This is bad for VoIP. However, I have had no complaints. Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 When you have eliminated the impossible, that which remains, however improbable, must be the truth. --- Sir Arthur Conan Doyle On Thu, Jun 18, 2009 at 10:43 AM, Chris Gotstein ch...@uplogon.com wrote: I've been setting it to auto, does it matter a whole lot 1 way or the other? Are others forcing the preamble? Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Josh Luthman wrote: For some reason it doesn't actually use the I'm Feeling Lucky button =/ The first link reads: The 18 byte (long preamble) preamble is used to signal here is a train of data coming to the receiver. The 802.11b standard gives an option of reducing the size of the PLCP preamble to 9 bytes *(short preamble), this significantly increases the throughput performance at higher data rates*. One downside to the PLCP is that the PLCP preamble and header is always transmitted at 1Mbps, regardless of the transmission rate for the rest of the data. This means that the transfer time is constant at 192 Usec (microseconds) for the PLCP with long preamble. The short preamble version does a little better, transmitting the shorter preamble at 1Mbps and the header at 2Mbps, shortening the transmit time to 96 Usec. Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 When you have eliminated the impossible, that which remains, however improbable, must be the truth. --- Sir Arthur Conan Doyle On Thu, Jun 18, 2009 at 10:15 AM, Chris Gotstein ch...@uplogon.com wrote: Ouch, that wasn't so nice! Yes, i do know how to use google, but was hoping someone would just give me a quick explanation, as in real world experience. Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Josh Luthman wrote: http://tinyurl.com/lf75qw Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 When you have eliminated the impossible, that which remains, however improbable, must be the truth. --- Sir Arthur Conan Doyle On Thu, Jun 18, 2009 at 10:06 AM, Chris Gotstein ch...@uplogon.com wrote: What is the difference between short and long preamble? Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Steve Barnes wrote: Thanks a bunch. That means those are ones that my installers didn't setup right GREAT. Steve Barnes Manager PCS-WIN RC-WiFi Wireless Internet Service -Original Message- From: mikrotik-boun...@mail.butchevans.com [mailto:mikrotik-boun...@mail.butchevans.com] On Behalf Of Robert Andrews Sent: Thursday, June 18, 2009 9:22 AM To: Mikrotik discussions Subject: Re: [Mikrotik] Tx/Rx Rate Short Preamble Steve Barnes wrote: I have updated several of my towers to 3.24 and started noticing on the Registration Tab in the Tx/Rx Rate column I have a most that say 11Mbps/11Mbps. But I have a few that will say 11Mbps-SP/11Mbps-SP. What does the SP signify? Steve Barnes RC-WiFi ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman
Re: [Mikrotik] Tx/Rx Rate
On Thu, 2009-06-18 at 09:43 -0500, Chris Gotstein wrote: I've been setting it to auto, does it matter a whole lot 1 way or the other? Are others forcing the preamble? That's the setting that I typically use, too. It'll use long for those that don't support the short (more efficient) preambles. FWIW, the default is to use both. -- * Butch Evans * Professional Network Consultation* * http://www.butchevans.com/* Network Engineering * * http://www.wispa.org/ * WISPA Board Member * * http://blog.butchevans.com/ * Wired or Wireless Networks * ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS
Re: [Mikrotik] Tx/Rx Rate
What I know is that I have issues (at times) if my tranzeos aren't set to Long. So I have just standardized on Long. I might gain a little speed with short but I will take stability any day over a little more speed. Steve Barnes Manager PCS-WIN RC-WiFi Wireless Internet Service -Original Message- From: mikrotik-boun...@mail.butchevans.com [mailto:mikrotik-boun...@mail.butchevans.com] On Behalf Of Chris Gotstein Sent: Thursday, June 18, 2009 10:07 AM To: Mikrotik discussions Subject: Re: [Mikrotik] Tx/Rx Rate What is the difference between short and long preamble? Chris Gotstein Sr Network Engineer UP Logon/Computer Connection UP 500 N Stephenson Ave Iron Mountain, MI 49801 Phone: 906-774-4847 Fax: 906-774-0335 ch...@uplogon.com Steve Barnes wrote: Thanks a bunch. That means those are ones that my installers didn't setup right GREAT. Steve Barnes Manager PCS-WIN RC-WiFi Wireless Internet Service -Original Message- From: mikrotik-boun...@mail.butchevans.com [mailto:mikrotik-boun...@mail.butchevans.com] On Behalf Of Robert Andrews Sent: Thursday, June 18, 2009 9:22 AM To: Mikrotik discussions Subject: Re: [Mikrotik] Tx/Rx Rate Short Preamble Steve Barnes wrote: I have updated several of my towers to 3.24 and started noticing on the Registration Tab in the Tx/Rx Rate column I have a most that say 11Mbps/11Mbps. But I have a few that will say 11Mbps-SP/11Mbps-SP. What does the SP signify? Steve Barnes RC-WiFi ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS ___ Mikrotik mailing list Mikrotik@mail.butchevans.com http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS
