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SeTar · 10-18-2017

Hi guysChecking the high CPU utilization on VSS 4510R+E detected mac flapping including mac address-table notification mac-moveOct 18 15:11:40: %C4K_EBM-4-HOSTFLAPPING: Host 00:A0:C9:09:01:01 in vlan 2011 is moving from port Po5 to port Po59Oct 18 15...

SeTar · 10-19-2017

There can be a trigger problem in that one MAC in different VLAN?core#sh mac address-table dynamic | i c909.0101 188 00a0.c909.0101 dynamic ip,ipx,assigned,other Port-channel59 252 00a0.c909.0101 dynamic ip,ipx,assigned,other Port-chann...

SeTar · 10-19-2017

Yes it isASA --lag-- C3750E --lag(PO59)-- Core(4510E VSS)(int vlan 2011) --lag(PO5)-- 1-1.core(4510E)(not created vlan 2011)VLAN 2011 this is just an example.There are many of thoseAnd all with PO5core#sh logOct 19 12:53:28: %C4K_EBM-4-HOSTFLAPPING: ...

SeTar · 10-19-2017

Everywhere is enabled mode transparentcore#sh vtp staVTP Version capable : 1 to 3VTP version running : 1VTP Domain Name : ncgVTP Pruning Mode : DisabledVTP Traps Generation : DisabledD...

SeTar · 10-19-2017

Mark Malone, thank you for your answer!Take the VLAN 2011. This is PtP with ASA. Such a scheme:ASA --lag-- C3750E --lag(PO59)-- C4510E(core) (int vlan 2011) core#sh run int vla 2011Building configuration...Current configuration : 98 bytes!interface V...

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Host flapping on VSS 4510R

Re: Host flapping on VSS 4510R

Re: Host flapping on VSS 4510R

Re: Host flapping on VSS 4510R

Re: Host flapping on VSS 4510R