Tuesday, October 22, 2019

Dell vPC / MLAG

I have 2x Dell N2048 in my testlab. In configured vPC / MLAG on both switches. This is working and de status is Enabled and vPC is operational (show vpc brief).

Ping between both switches is working. But i cannot reach the internet with my laptop. If i connect my laptop on switch-1 i can reach the internet.

Also on switch-2 i see no MAC-address and ARP entry's from my ISP router. On Switch 1 i see this mac/arp entry's.

I use this guide for setting up vPC/MLAG: https://lapsz.eu/blog/2014/04/23/dell-n3048-multi-switch-lag-mlag/

The config is exactly the same.

Laptop and ISP router are VLAN 10.

show vpc brief on both switches:

show vpc brief VPC admin status............................... Enabled Keep-alive admin status........................ Enabled VPC operational status......................... Enabled Self role...................................... Primary Peer role...................................... Secondary Peer detection admin status.................... Peer detected, VPC Operational Peer-Link details ----------------- Interface...................................... Po1 Peer-link admin status......................... Enabled Peer-link STP admin status..................... Disabled Configured VLANs............................... 1,10,100 Egress tagged VLANs............................ 10,100 


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