Excuse my ignorance about this IXP and your equipment, but is Micro-BFD (RFC 7130) supported? And if so, is it enabled or can you enable it? While configuration wise it will use the single IP addresses of the aggregate, separate BFD instances are set up for each underlying link and will confirm whether Layer 3 is working on that point-to-point connection. Bruce Wainer
On Thu, Sep 25, 2025 at 11:22 PM Andy Cole via NANOG <[email protected]> wrote: > > Group, > I've been Peering with both Route Servers in the Dallas IX for over a > month using a single 10G link with no issues. Due to capacity concerns I > had to augment to a 20G LAG. In order to do this, I shut the existing link > down (which dropped both eBGP sessions), used the existing IP space to > create the LAG, and then added the 2nd 10G link. The eBGP sessions > reestablished over the LAG and traffic started flowing error free. No > configuration changes to routing policy at all. After a few days we > started to get customer complaints for certain sites/domains being > unreachable. I worked around the issue by not announcing the customer > blocks to the route servers and changed the return path to traverse > transit. This solved the issue, but I'm perplexed as to what could've > caused the issue, and where to look to resolve it. If you guys could > provide feedback and point me in the right direction I'd appreciate it. TIA. > > ~Andy > _______________________________________________ > NANOG mailing list > https://lists.nanog.org/archives/list/[email protected]/message/VQJ37BWPQRQYQB6QMWG6E6SVUDHNYDTO/ _______________________________________________ NANOG mailing list https://lists.nanog.org/archives/list/[email protected]/message/DDLAPU3GLJHFCDQZPBUED4VYAVS66R2N/
