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GSR POS interface issue with FRR

 
 
CCxx18579
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      01-25-2007
Hello friends

Facing a typical problem with SDH protected circuits in revertive mode
connected to Cisco GSR routers on both ends.

When the primary link of the protected circuit goes down, alarms are
received at both end GSRs, one receives a PAIS & other receives a PRDI.
So interface goes down at both end routers.

However when primary link comes back up again and circuit reverts from
secondary to primary, PRDI alarm is received at one end and interface
goes down. However, other end router does not receive any alarm & the
interface stays up.

First hop mux connected to GSRs are Tejas Mux

Any thoughts on this issue ??

 
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