I have 2 sites, NY-TX. The NY site has an as7200, the TX site has a 2620. I have 2 wan links between both sites.
MY questions is how do I config the router to use both t-1s at the same time instead of using one as the primary and one as the backup?
interface Multilink##
description Maple Street
ip address x.x.x.x 255.255.255.252
no ip directed-broadcast
no cdp enable
ppp multilink
no ppp multilink fragmentation
multilink-group ##
interface Serial0/0
description
no ip address
no ip directed-broadcast
encapsulation ppp
no keepalive
tx-queue-limit 26
no fair-queue
no cdp enable
ppp multilink
multilink-group ##
interface Serial0/1
description
no ip address
no ip directed-broadcast
encapsulation ppp
no keepalive
tx-queue-limit 26
no fair-queue
no cdp enable
ppp multilink
multilink-group ##
Thank you JOAMON for your quick response.
I have configured both routers to use multilink, but when I cause 1 circuit to fail, the other circuit takes about 5 seconds to kick in. Is this normal behavior? There is some billing data coming across these 2 links which is very important. Is there a another way to load share or bond these 2 T1s where there is zero down time?
Its not that it takes 5 seconds to kick in it is just adjusting the link information. I did have this setup at one time and killed one link to test it and had the same pause as you. It did not disconnect any telnet sessions on me but I had to change to CEF load balancing instead of multilink due to QOS for voice configuration problems with current hardware. If these two connections are point to point T1's then enable ip cef and setup equal cost paths for load balancing.
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