Re: OpenBGPD dropping neighbor on VPNv4 NLRI withdraw

On Wed, Jan 31, 2018 at 09:41:55AM +0000, Stuart Henderson wrote:
> Question is why the prefixlen is set this way...
> [snip]
> Type Code: MP_UNREACH_NLRI (15)
> Length: 19
> Address family identifier (AFI): IPv4 (1)
> Subsequent address family identifier (SAFI): Labeled VPN Unicast (128)
> Withdrawn routes (16 bytes)
> BGP Prefix
> > Prefix Length: 120
> Label Stack: 0 (withdrawn)
> Route Distinguisher: 56028:130
> MP Unreach NLRI IPv4 prefix: 100.64.0.42

For prefix 100.64.0.42, you'd think the only valid mask is 31 or 32.
Perhaps this is a bug in IOS XE?

Kind regards,

Job