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Webcast-Catalyst9k
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PPP Error- Missed 5 keepalives

i have configued a PRI for backup to leased line with max links of 10.channels come up one by one after evry 30 secs .then after some time error comes :

14w3d: Se1/0:3 PPP: Missed 5 keepalives, taking LCP down

14w3d: Se1/0:3 PPP: Phase is DOWN.

wht is this error and how to avoid it ?

load threshold is just 1 % and idle timeout is very high.

1 REPLY
Bronze

Re: PPP Error- Missed 5 keepalives

Keepalives are the mechanism by which a device knows that a connected device is reachable at a particular layer. Looks like your device does not seem to receive the PPP keepalives from the other end. What you can try probably is test the PRI link alone by setting up a call over the PRI and see whether the same problem is happening. That would confirm whether the problem is with the PRI link itself or something wrong on the device when configuring for backup. The idle-timeout only specifies how long the PRI line should stay up without interesting traffic. it does not have anything to do with PPP keepalives.

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