56k vs 64k channels. Sent from my iPhone
On Mar 31, 2011, at 5:50 PM, Max Pierson <[email protected]> wrote: > Yea, if your stuck with VWICS (which were really made for voice anyway), > it's a pain to get these to work for data. Something I forgot to add > earlier, when I did had this as point-to-point HDLC circuit, I had all 24 > channels in group 0 as configs above show, but when I finally got it to > work, I noticed at the top of "show interface s0/0/??" , BW did not total up > to 1544 like non-VWICS do, it was more like 1300 or 1400 (some missing bits > :). As I mentioned earlier, I believe this has to do with the timeslots > themselves. > > I do not have a pair to lab up and check again, but if someone wants to > verify my 2006 findings, please confirm or deny my findings. > > Any Jedi's out there know what the reasoning behind timeslots on VWICS > configured in channel-group mode being different than timeslots in > channel-group mode on non-VWICS?? (That is if i'm not totally losing my > mind). > > Max > > On Thu, Mar 31, 2011 at 10:24 AM, Di Bias, Steve > <[email protected]>wrote: > >> Well I tried to use these cards in my frame switch and never got it >> working. >> >> In the end I swapped out the VWIC-2MFT-T1's for WIC-1DSU-T1's and my frame >> switch started working like a champ! >> >> I found an article that shows its possible (according this guy), but I >> couldn't get it working myself >> >> >> http://dreamforccie.wordpress.com/2010/03/22/convert-your-e1t1-pri-to-serial-interface/ >> >> After enabling "frame-relay switching" I created the serial interfaces and >> configured my hub and spoke but to no avail. On my VWICS I saw CD lights and >> no alarms but the interfaces were up / protocol down >> >> My commands for creating the serial interfaces >> >> controller T1 0/0 >> framing esf >> linecode b8zs >> channel-group 0 timeslots 1-24 >> ! >> controller T1 0/1 >> framing esf >> linecode b8zs >> channel-group 0 timeslots 1-24 >> >> Now this created the following serial interfaces which I configured as >> follows >> >> Serial0/0:0 >> Serial0/1:0 >> >> interface Serial0/0:0 >> no ip address >> encapsulation frame-relay >> logging event subif-link-status >> logging event dlci-status-change >> clockrate 56000 >> no frame-relay inverse-arp >> frame-relay intf-type dce >> frame-relay route 204 interface Serial0/1:0 402 >> >> interface Serial0/1:0 >> no ip address >> encapsulation frame-relay >> logging event subif-link-status >> logging event dlci-status-change >> clockrate 56000 >> no frame-relay inverse-arp >> frame-relay intf-type dce >> frame-relay route 402 interface Serial0/0:0 204 >> >> Again once I swapped them out with regular old WIC cards it started working >> like a champ! >> >> >> >> Thank you. >> >> Steve Di Bias >> Network Engineer - Information Systems >> Valley Health System - Las Vegas >> Office - 702- 369-7594 >> Cell - 702-241-1801 >> [email protected] >> >> Thank you, >> >> Steve Di Bias >> Network Engineer - Information Systems >> Valley Health System - Las Vegas >> Office - 702- 369-7594 >> Cell - 702-241-1801 >> [email protected] >> >> -----Original Message----- >> From: [email protected] [mailto: >> [email protected]] On Behalf Of Max Pierson >> Sent: Thursday, March 31, 2011 7:42 AM >> To: Jay McMickle >> Cc: IPExpert Online >> Subject: Re: [OSL | CCIE_RS] Frame-Relay Switch WIC's >> >> Hi Jay, >> >> I've been down this road before with those interfaces. I'm not sure on >> frame-relay, but when I had a point-to-point setup (HDLC), I could not get >> the circuit to come up with VWIC2-2MFT-T1 on one side and WIC-DSU on the >> other side (status stayed as up/down). As soon as I changed both sides to >> the VWIC2-2MFT-T1, line-protocol came right up. I was told that there's >> some >> slight difference in how the channel-groups are setup when you're >> provisioning the timeslots for the interface. I havent dug into it much >> more >> than that since I was able to get it to work with the same card on each >> side. >> >> Frame might be a whole other story, but I would start by having both WIC's >> be the same on each side if that's possible. >> >> Max >> >> On Tue, Mar 29, 2011 at 9:17 PM, Jay McMickle <[email protected] >>> wrote: >> >>> Has anyone ever setup a Frame-relay switch using VWIC2-2MFT-T1/E1 as >> their >>> cards? I can make the normal WIC2T or WICv2/WIC-DSU's work just fine. >>> A buddy >>> of mine thought that you couldn't use this type of card since it creates >>> the >>> slotted interface (shown below). Again, if I take the same config and >> swap >>> out >>> the interface name on the same router, FRS works. I searched and >> searched, >>> but >>> I only see these cards being used on the CCIE Voice tracks. Any help is >>> appreciated. >>> >>> frame-relay switching >>> >>> interface Serial0/1/1:3 >>> no ip address >>> encapsulation frame-relay >>> frame-relay intf-type dce >>> frame-relay route 602 interface Serial0/0/0:0 206 >>> >>> >>> Regards, >>> Jay McMickle- CCNP, CCSP, CCDP, MCSE >>> http://mycciepursuit.wordpress.com/ >>> >>> >>> >>> >>> _______________________________________________ >>> For more information regarding industry leading CCIE Lab training, please >>> visit www.ipexpert.com >>> >> _______________________________________________ >> For more information regarding industry leading CCIE Lab training, please >> visit www.ipexpert.com >> >> >> UHS Confidentiality Notice: This e-mail message, including any >> attachments, is for the sole use of the intended recipient (s) and may >> contain confidential and privileged information. Any unauthorized review, >> use, disclosure or distribution of this information is prohibited. If this >> was sent to you in error, please notify the sender by reply e-mail and >> destroy all copies of the original message. > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com
