I have a bundle of 2 T1 into a multilink interface. However, I have encounter an issue, last week, our ISP lost one of the T1 and it went down hard for at leats two hours. Once the T1 came up, the bandwidth still was 1544, but once I shutdown and no shutdown command in one of the serial interface the bandwidth came up as 3074. Here is my basic config for the 2911 router:
interface multilink1
description multilink1
ip address x.x.x.x 255.255.255.252
ppp multilink
ppp multilink interleave
ppp multilink group 1
ppp multilink fragment delay 20
ppp multilink multiclass
no cdp enable
service-policy output llq-policy
interface serial0/0/0:0
description T1 #1
no ip address
encapsulation ppp
ppp multilink
ppp multilink group 1
no cdp enable
interface serial0/0/1:0
description T1 #2
no ip address
encapsulation ppp
ppp multilink
ppp multilink group 1
no cdp enable
I just don't know why the router was not using the whole bandwidth of 3044. Any cooments are welcome.
Thanks.
