About enkisan

enkisan · 02-27-2024

Hello community!I have two 93180YC-EX in VPC, NX-OS mode: BIOS: version 07.66 NXOS: version 7.0(3)I7(9) Sometimes we experience unknown unicast flood for ~1-3min due to disappeared MAC. This situation arises every several hours randomly. At the time...

enkisan · 02-29-2024

I have found the problem. I forgot to enable portfast for several access switches connected to my VPC pair. Thus a STP TCN was occurring in the VLAN when these access ports upped or downed/upped causing rebuilding MAC table.Thank again to all partici...

enkisan · 02-27-2024

Thanks for your suggestions. I'll investigate the MAC situation further and keep you updated. As for aging, i have defaults on both switches: 1800 (MAC) > 1500 (ARP), so there shouldn't be issues, i think.

enkisan · 02-27-2024

nothing suspicious here also: # show vpc consistency-parameters vpc 1 Legend: Type 1 : vPC will be suspended in case of mismatch Name Type Local Value Peer Value ------------- ---- -----...

enkisan · 02-27-2024

primary:# show vpc Legend: (*) - local vPC is down, forwarding via vPC peer-link vPC domain id : 1 Peer status : peer adjacency formed ok vPC keep-alive status : peer is alive Con...

enkisan · 02-27-2024

'ip arp synchronize' is active within VPC domain

Member Since	‎10-18-2023 07:02 AM
Date Last Visited	‎06-11-2024 01:03 AM
Posts	7
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Ocassional uknown unicast flood on nexus 9k

Re: Ocassional uknown unicast flood on nexus 9k

Re: Ocassional uknown unicast flood on nexus 9k

Re: Ocassional uknown unicast flood on nexus 9k

Re: Ocassional uknown unicast flood on nexus 9k

Re: Ocassional uknown unicast flood on nexus 9k