[c-nsp] ASR1001-X etherchannel subinterfaces

[Ted Johansson]

Have you evaluated ASR9001-S running as BRAS?
You have IOS-XR instead and perhaps the price is slightly lower than the ASR1001-X.

Best Regards
Ted Johansson


-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Chris Balmain
Sent: den 11 oktober 2016 00:19
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] ASR1001-X etherchannel subinterfaces

Hi there,

We're currently evaluating ASR1001-X with XE 3.16.00S / 15.5(3)S running BRAS role "on a stick" using 2x10G in an LACP etherchannel.

We've noticed that on dot1q subinterfaces on the bundle, while input counters appear to function normally, output counters massively under-read (not quite zero, but very close to - like maybe it's only counting process-switched traffic)

I did find one bug (CSCuv15454) which suggests a workaround ("show vlans"), but that appears to suffer from the same issue of under-reading counters.

We've also tried running the port-channel in active/standby mode (lacp fast-switchover + lacp max-bundle 1) which resolved some issues we had with egress QoS on subinterfaces and LNS/PTA users, but still get no counters.

Anyone else encountered this problem, any workaround known? Any other "gotchas" with ASR1000 etherchannel and/or subinterfaces on them?

Regards,
Chris
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