NSX-T 2.4 - BGP Redistribution Wrong

[Lalegre]

Hello folks i have a doubt on BGP Redistribution and maybe is a misunderstood, here is my scenario.

I have a Tier-1 created with two logical swtiches attached to it and created two downlink ports to be GW of that networks.

I have connected the Tier-1 to my Tier-0 and configured BGP redistribution on Tier-1 to only share the connected interfaces. And on my Tier-0 i created a criteria for distributing my T1-Connected.

My issue here is that if i go into and edge and inside the VRF where the Tier-0-ServiceRouter is configure, i am also learning the "Intra Tier0 transit subnet" on BGP and this can be an issue publishing the services to my physical network:

Is this a normal behaviour? Am i doing something wrong?

Thanks!

[p0wertje]

Hi,

Why is it an issue for you ?

By default, the 169.254.0.0/28 subnet is used for intra Tier0 transit and 100.64.0.0/16 subnet for Tier0-Tier1 transit.

You can always have a route-map on tier-0 to the env. outside nsx without announcing 169.254 and 100.64

See https://docs.vmware.com/en/VMware-NSX-T-Data-Center/2.4/nsxt_24_admin.pdf

page 376