NSX Edge ‘Force Sync’

Its been a while, since i posted a troubleshooting article. But, recently I ran into an issue which was quite interesting and would like to share with you all.

Issue

There are two sites. Let’s name them Site-1 and Site-2. Site-1 and Site-2 are configured in Cross Site NSX, with universal switch and universal DLR configured. Site-1 has its own universal DLR-1 and Site-2 have its own universal DLR-2. Now, due to some issue, VXLAN in Site-1 stopped working. This issue is for some other day. But VXLAN was working fine in Site-2 with no issues. So, to restore connectivity we moved LIF with gateway 192.168.74.1 (virtual wire) from DLR-1 to DLR-2. And gateway starts to ping absolutely fine thanks to dynamic routing in place. But, when we moved VM (IP – 192.168.74.2) to Site-2 and attaches them to LIF, they are unreachable. So, what went wrong.

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Configure Active/Active North-South Cross vCenter NSX

Hello Everyone.

Two cups of Espresso in me and a late night blog. Writing while working just to keep me awake.

So without much further wait, i had a scenario similar to below design:

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