Re: BGP on /32 (/128) interfaces

2024-05-17 Thread Ondrej Zajicek
On Tue, May 14, 2024 at 03:58:06PM +0200, Arzhel Younsi wrote: > Thank you all for your replies, > > > Thinking about it, it makes sense to have something like direct mode that > works with unnumbered interfaces (or ones with /32 address). > > We also think that's would be very useful, either tra

RE: BGP on /32 (/128) interfaces

2024-05-17 Thread Cathal Mooney
2024 14:58 To: Ondrej Zajicek Cc: bird-users@network.cz Subject: Re: BGP on /32 (/128) interfaces Thank you all for your replies, > Thinking about it, it makes sense to have something like direct mode that > works with unnumbered interfaces (or ones with /32 address). We also

Re: BGP on /32 (/128) interfaces

2024-05-14 Thread Arzhel Younsi
Thank you all for your replies, > Thinking about it, it makes sense to have something like direct mode that works with unnumbered interfaces (or ones with /32 address). We also think that's would be very useful, either transparently to the user (depending on next hop resolution, eBGP/iBGP, IP's s

Re: BGP on /32 (/128) interfaces

2024-04-15 Thread Ondrej Zajicek via Bird-users
On Mon, Apr 15, 2024 at 12:10:05PM +0200, Daniel Gröber wrote: > Hi Arzhel, > > On Fri, Apr 12, 2024 at 11:57:38AM +0200, Arzhel Younsi wrote: > > But for IPv6, it's cleaner to only require the router's link local address: > > testvm2006:~$ ip -6 addr > > inet6 2620:0:860:140:10:192:24:4/128 scope

Re: BGP on /32 (/128) interfaces

2024-04-15 Thread Daniel Gröber
Hi Arzhel, On Fri, Apr 12, 2024 at 11:57:38AM +0200, Arzhel Younsi wrote: > But for IPv6, it's cleaner to only require the router's link local address: > testvm2006:~$ ip -6 addr > inet6 2620:0:860:140:10:192:24:4/128 scope global > testvm2006:~$ ip -6 route > default via fe80::2022:22ff:fe22:2201

Re: BGP on /32 (/128) interfaces

2024-04-12 Thread Bernd Naumann via Bird-users
Hey Arzhel! On 12.04.24 11:57 AM, Arzhel Younsi wrote: > Hi, > > A message between bug report and feature request, unless it's a silly > oversight on my side. > Hopefully _I_ do not miss a detail here, but: Option A: Set a v4 and v6 addr only on loopback, and using IPv6 LLA with OSPF2/3 to mak

BGP on /32 (/128) interfaces

2024-04-12 Thread Arzhel Younsi
Hi, A message between bug report and feature request, unless it's a silly oversight on my side. On Linux it's possible to configure interfaces with /32 (or v6 /128) IPs. I detailed our use-case and examples on https://phabricator.wikimedia.org/phame/post/view/312/ganeti_on_modern_network_design/