4

Do you know if any outage is expected or any blip in service when changing LACP rate to fast from slow?

interface x/x
lacp rate fast

Any experience or info would be appreciated

Thanks

Luke

  • I don't have a definitive answer for you as I don't have any hardware handy, but given that lacp rate really only affects the rate of keepalives (every second in fast mode, rather than every 30s), and not some fundamental phys- or link-layer parameter that would require resetting the link, I would hope you can change it without any impact whatsoever on the link state. – Jeremy Gibbons Feb 13 '16 at 21:06
  • Yep my thoughts exactly - unfortunately GNS doesnt support LACP so cant test and also dont have any hardware handy at the moment either. – Smithy2k3 Feb 14 '16 at 9:15
  • Did any answer help you? If so, you should accept the answer so that the question doesn't keep popping up forever, looking for an answer. Alternatively, you can provide and accept your own answer. – Ron Maupin Feb 19 '18 at 19:42
3

Based on my tests changing the LACP rate bounces the Port-Channel:

*Jan  6 04:08:08.204: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/15, changed state to down

*Jan  6 04:08:08.221: %LINEPROTO-5-UPDOWN: Line protocol on Interface Port-channel16, changed state to down

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.