I posted about this before in the context of FR over HSSI and Greg Ketell
posted some useful stuff back, but the problem is wider and repeatable.
I don't know if anyone else has seen this.
7513 & 7507, running 11.1.12CA1, 11.1.15CA1 and 11.1.17CA1 with CX-HIP,
both under point to point HDLC through Digilinks, and running FR
into a Cascade FR switch, appear to drop line protocol when the router
hits high CPU load (for instance through oscillating lines or BGP
recalculation). As this causes oscillating lines and BGP recalculation,
this is a bad thing.
Has anyone else seen this? (Bug Navigator hasn't). Does anyone have a fix?
I have increased the broadcast queues and played with various LMI timers
for the FR stuff which mitigated the problem a little on the FR side.
It appears to be perfectly repeatable (unfortunately today gave me the
chance to test this...)
-- Alex Bligh GX Networks (formerly Xara Networks)
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