Sry, arp. Im in the car ;) -----Original Message----- From: Josh Luthman <j...@imaginenetworksllc.com> Sent: Monday, May 04, 2009 6:30 PM To: Mikrotik discussions <mikrotik@mail.butchevans.com> Subject: Re: [Mikrotik] pseudobridge polled devices question
Static nat or static ARP? Static ARP is /ip arp On 5/4/09, David Smith <david.sm...@preferredtechnology.com> wrote: > Got it. I was looking at setting up a pinger of some sort to keep it > refreshed. How can i add static nat? > > -----Original Message----- > From: Josh Luthman <j...@imaginenetworksllc.com> > Sent: Monday, May 04, 2009 6:15 PM > To: Mikrotik discussions <mikrotik@mail.butchevans.com> > Subject: Re: [Mikrotik] pseudobridge polled devices question > > Yep - /tool netwatch > > Pretty self explanatory, but simply put: > > You give it an IP (not host name =(, error timeout and duration and it pings > that IP every duration and if the response is greater then the timeout it is > a failed ping. > > It's a lot like an automated fping if you know what that is. > > 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 Mon, May 4, 2009 at 7:11 PM, David Smith < > david.sm...@preferredtechnology.com> wrote: > >> Netwatch? >> >> -----Original Message----- >> From: Josh Luthman <j...@imaginenetworksllc.com> >> Sent: Monday, May 04, 2009 6:06 PM >> To: Mikrotik discussions <mikrotik@mail.butchevans.com> >> Subject: Re: [Mikrotik] pseudobridge polled devices question >> >> Looks like you are right: >> *station-pseudobridge* - wireless station that can be put in bridge. MAC >> NAT >> is performed on all traffic sent over the wireless interface, so that it >> look like coming from the station's MAC address regardless of the actual >> sender (the standard does not allow station to send packets with different >> MAC address from its own). Reverse translation (when replies arrive from >> the >> AP to the pseudobridge station) is based on the ARP table. Non-IP >> protocols >> are being sent to the default MAC address (the last MAC address, which the >> station has received a non-IP packet from). That means that if there is >> more >> than one client that uses non-IP protocols (for example, PPPoE) behind the >> station, none of them will be able to work correctly >> >> Still, you should not have problems with ARP with good links to your >> stations on wlan2. If you really care about it add netwatch to the rb433 >> to >> them every 2 minutes. This will leave the MACs in the ARP table. >> >> 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 Mon, May 4, 2009 at 6:50 PM, David Smith < >> david.sm...@preferredtechnology.com> wrote: >> >> > Yes, but the pseudobridge only presents ONE MAC address to the network >> site >> > - it's own. The pseudo then answers as a proxy for any MAC addresses >> behind >> > it (the ones in its table). What happens when these entries time out? >> > WDS would be the switch equivalent, not pseudo. >> > I cant implement WDS. >> > ds >> > >> > David Smith >> > >> > Preferred Technology Solutions >> > 212 West Spring Valley Rd >> > Richardson, TX 75081 >> > Office: 972-331-5610 >> > Cell: 972-898-2626 >> > Fax: 972-644-4911 >> > >> > >> > >> > -----Original Message----- >> > From: mikrotik-boun...@mail.butchevans.com [mailto: >> > mikrotik-boun...@mail.butchevans.com] On Behalf Of Josh Luthman >> > Sent: Monday, May 04, 2009 5:47 PM >> > To: Mikrotik discussions >> > Subject: Re: [Mikrotik] pseudobridge polled devices question >> > >> > Bridging is more like a switch. Not sure what you mean by NAT for >> MACs... >> > >> > The bridge will learn MACs and, like a switch versus a hub, it will only >> > send the traffic to the port of which the MAC answered from. >> > >> > The MAC table (normally called the ARP table) in every device but Cisco >> (to >> > my knowledge) will clear out after 2 minutes or if it answered twice >> within >> > that timeout will clear after 10 minutes. >> > >> > 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 Mon, May 4, 2009 at 6:42 PM, David Smith < >> > david.sm...@preferredtechnology.com> wrote: >> > >> > > I am just learning that this may be an issue, so bear with me. >> > > My understanding of pseudobridge is that it is basically a NAT for MAC >> > > addresses. >> > > So, the pseudobridge MAC NAT table would only be populated with MAC >> > > addresses from devices behind the pseudobridge that had initiated some >> > sort >> > > of traffic that went out the bridge. >> > > If that is the case, then would not the MAC NAT "table" time out, or >> then >> > > entries expire after a period of time? BTW, what is the default time, >> and >> > > how to populate the table with static entries? >> > > Thanks for your patience, >> > > >> > > David Smith >> > > >> > > Preferred Technology Solutions >> > > 212 West Spring Valley Rd >> > > Richardson, TX 75081 >> > > Office: 972-331-5610 >> > > Cell: 972-898-2626 >> > > Fax: 972-644-4911 >> > > >> > > >> > > -----Original Message----- >> > > From: mikrotik-boun...@mail.butchevans.com [mailto: >> > > mikrotik-boun...@mail.butchevans.com] On Behalf Of Josh Luthman >> > > Sent: Monday, May 04, 2009 5:35 PM >> > > To: Mikrotik discussions >> > > Subject: Re: [Mikrotik] pseudobridge polled devices question >> > > >> > > Shouldn't have a problem...if you're really concerned you can put the >> > MACs >> > > in staticly but if you have a delay in ARP resolution then you have a >> > poor >> > > link. >> > > >> > > 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 Mon, May 4, 2009 at 6:32 PM, David Smith < >> > > david.sm...@preferredtechnology.com> wrote: >> > > >> > > > I have a rb433 with (2) 52 radios. >> > > > >> > > > One radio (WLAN1) is 802.11a and connects to an ap which is >> > > > connected >> > to >> > > > the default gateway. >> > > > >> > > > The other radio (WLAN2) is 802.11bg and allows client access with 1 >> > > > SSID. >> > > > >> > > > WLAN 1 is Station pseudobridge, and WLAN2 is ap-bridge. >> > > > >> > > > On the WLAN2 side, the clients consist of 802.11bg to serial >> > > > terminal >> > > > servers (up to 5 of them associated). (These are the same as serial >> to >> > > > Ethernet, just wifi enabled.)They all have static IP address on the >> > same >> > > > subnet as the rest of the network, as is the default gateway. >> > > > >> > > > These devices are polled via IP address ONCE every hour from a >> > > > remote >> > > > site using a VPN connection to the default gateway. >> > > > >> > > > So, using pseudobridge, will I have an issue polling the devices >> behind >> > > > the 802.11bg radio since traffic is initiated only on the default >> > > > gateway side? >> > > > >> > > > Will the arp table entries on pseudobridge expire is my concern. >> > > > >> > > > Thanks! >> > > > >> > > > >> > > > >> > > > >> > > > >> > > > David Smith >> > > > >> > > > >> > > > Preferred Technology Solutions >> > > > 212 West Spring Valley Rd >> > > > Richardson, TX 75081 >> > > > Office: 972-331-5610 >> > > > Cell: 972-898-2626 >> > > > Fax: 972-644-4911 >> > > > >> > > > >> > > > >> > > > >> > > > >> > > > -------------- next 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>> > > _______________________________________________ >> > > 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/20090504/c9df78f5/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/20090504/61da9cfd/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/20090504/0dd9ff50/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 > -- 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 _______________________________________________ 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
