About James Tu

James Tu · 03-20-2023

Hi All,I have a lab topology like this but loop avoidance seems not to work and the traffic is duplicated on N9K-2 when the peer gateway is enabled. Interconnections.- Server1 connects to Router 1.- Routers use a subinterface to connect to N3Ks.- N3K...

James Tu · 09-21-2019

Hi, everyone When I run a simulation of uRPF loose mode on the GNS3, I found that the suppressed verification counter increased.And from the document,https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/sec_data_urpf/configuration/xe-3s/sec-data-urpf-xe...

James Tu · 03-20-2023

Hi All,I have some features related to VXLAN enabled on both N93180 and after I disable them, no traffic reaches Server2.The feature I disabled.feature fabric forwardingfeature nv overlaynv overlay evpnAfter capturing some packets, I found that the p...

James Tu · 01-03-2023

Hi All,I met the same problem.After a few hours test, I think I find a solution.The setting in the vPC part of the fabric setting on DCNM means what SVI you would like to use to establish OSPF between vPC members.By default, it uses VLAN 3600.So, ple...

Member Since	‎06-22-2018 12:31 AM
Date Last Visited	‎05-09-2023 02:44 AM
Posts	4

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Peer Gateway is not working when SVI is missing.

uRPF and suppressed verification counter

Re: Peer Gateway is not working when SVI is missing.

Re: DCNM 11.2(1) - Easy Fabric Template - vPC Peer Link VLAN