CCIE Pursuit Blog

December 3, 2008

Verify Your FREEK

File under the category of “How the hell did I not see this before?”

I was reviewing some basic Frame Relay labs today and during a FREEK* (Frame-Relay End-to-End Keepalives) and I issued a ‘show frame pvc x’ command:

r1(config-fr-dlci)#do sh frame pvc 102

PVC Statistics for interface Serial0/0 (Frame Relay DTE)
DLCI = 102, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE (EEK UP), INTERFACE = Serial0/0.12

I’ve done dozens of FREEK configurations and have never noticed the ‘EEK UP|DOWN’ in the PVC output before.  I suppose that’s because I usually just issue the ‘show frame-relay end-to-end keepalive‘ instead.  That command has a ton more information:

r2#sh frame end-to-end keepalive int s0/0.12

End-to-end Keepalive Statistics for Interface Serial0/0.12 (Frame Relay DTE)

DLCI = 201, DLCI USAGE = LOCAL, VC STATUS = ACTIVE (EEK UP)

SEND SIDE STATISTICS

Send Sequence Number: 12,     Receive Sequence Number: 13
Configured Event Window: 3,     Configured Error Threshold: 2
Total Observed Events: 15,     Total Observed Errors: 0
Monitored Events: 3,         Monitored Errors: 0
Successive Successes: 3,     End-to-end VC Status: UP

RECEIVE SIDE STATISTICS

Send Sequence Number: 13,     Receive Sequence Number: 12
Configured Event Window: 3,     Configured Error Threshold: 2
Total Observed Events: 15,     Total Observed Errors: 0
Monitored Events: 3,         Monitored Errors: 0
Successive Successes: 3,     End-to-end VC Status: UP

* I’m using the “politically incorrect” name because I really don’t understand why “FREEK” is offensive to anyone.

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