[c-nsp] T1 Bonding with PA-MC-T3

[David Coulson]

You should be able to run unnumbered on the Serials and Multilink and 
save yourself a boat load of IPs.

Has anyone had problems using /31s with Ciscos recently? I always had 
problems with a x.x.x.0/32 loopback, so I'm loathe to try /31s on 
anything important :)

Troy Beisigl wrote:
> Hi Nick,
>
> The PA-MC-T3 card works fine for MLPPP in the 7206. We are using them here
> with no problem. 
>
>
> interface Multilink4
>  description Dual Circuit to TRI-CITY MC
>  ip address 172.20.1.69 255.255.255.252
>  ip nat inside
>  no cdp enable
>  ppp multilink
>  multilink max-links 2
>  multilink min-links 1
>  no ppp multilink fragmentation
>  multilink-group 4
> !
> interface Serial5/0/9:0
>  description Circuit SD/HCGS/080703 to TRI-CITY MC on S0
>  ip address 172.30.1.13 255.255.255.252
>  encapsulation ppp
>  down-when-looped
>  ppp multilink
>  multilink-group 4
> !
> interface Serial5/0/11:0
>  description Circuit SD/HCGS/080704 to TRI-CITY MC on S1
>  ip address 172.30.1.21 255.255.255.252
>  encapsulation ppp
>  down-when-looped
>  ppp multilink
>  multilink-group 4
> !
>
> Troy Beisigl
>
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Nick Voth
> Sent: Friday, March 14, 2008 3:11 PM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] T1 Bonding with PA-MC-T3
>
> Guys,
>
> I have a 7206 VXR with a PA-MC-T3 card in it for doing T1's off of a
> channelized DS3. I know the PA-MC-T3 doesn't support MLPPP bonding of
> multiple T1's. The problem is, my NPE doesn't support the newer PA-MC-T3-EC
> enhanced card that works for T1 bonding.
>
> I know I could feed the DS3 to some separate Mux and pull individual T1's
> off of that and bond them in a different Cisco card. Problem is, that's not
> really a very "clean" solution for us and definitely adds some other links
> in the chain that could fail.
>
> SO, is there any way to accomplish T1 bonding with that existing DS3 card or
> am I just stuck?
>
> Thanks very much for any help.
>
> -Nick Voth
>
>
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