Dual T1's

[cody]

I've 2 t1's going to a 2610 from the same ISP. They are PPP encap T1's, no special routing protocol. I want to be able to use these 2 t1's as though it was 1 3mb pipe. How would I go about doing that?

[t.baranski]

Multilink PPP.

[cody]

Does this look like a good basic config for multilink ppp? I'm using

ver. 12.0(9)

interface Multilink1

ip address 192.168.10.10 255.255.255.0

no cdp enable

ppp multilink

multilink-group 1

!

interface Serial0/0

description T1 circuit ID etc..

bandwidth 1536

no ip address

no ip redirects

no ip unreachables

no ip proxy-arp

ip accounting access-violations

encapsulation ppp

no ip mroute-cache

no fair-queue

service-module t1 timeslots 1-24

service-module t1 remote-alarm-enable

no cdp enable

ppp multilink

multilink-group 1

!

interface Serial0/1

description T1 circuit ID etc.

bandwidth 1536

no ip address

no ip redirects

no ip unreachables

no ip proxy-arp

ip accounting output-packets

ip accounting access-violations

encapsulation ppp

no ip mroute-cache

keepalive 5

no fair-queue

service-module t1 timeslots 1-24

service-module t1 remote-alarm-enable

no cdp enable

ppp multilink

multilink-group 1

[hanchinal · Accepted solution]

multi-link ppp is a good option, but you need to check if your isp supports MPPP. Another option is to enable IP CEF.

[msingla]

CEF is not supported i think on these routers or is it.

Regards,

Munit

[tepatel]

cef is not supported on 2600 routers.

[bhaase]

Actually CEF is supported on the 2600 series. We use it with no problems on 2621s.

http://www.cisco.com/warp/public/63/2600_architecture_23852.html#cef_switching