On 2024 May 06 (Mon) at 10:14:21 -0400 (-0400), Benjamin Raskin wrote:
:Hello, all;
:
:I've been having some issues getting bgpd to announce IPv6 routes,
...
:
:bgpd(8) is configued to advertise all connected and static routes,
:however bgpd(8) only advertises routes that are connected to the wg0
:interface and none that are connected on the vport0 interface. Below is
:the output of `bgpctl show fib connected inet6` for reference.
:
:
:flags prio destination gateway
:C 1 ::1/128 link#8
:C 4 fd80::/64 link#11
:C 1 fd80::fce1:baff:fe6e:d685/128 link#11
:C 3 fd80::fce1:baff:fea6:bf3a/128 link#11
:C 3 fd80::fce1:baff:fed1:1740/128 link#11
:C 4 fe80::%vport0/64 link#10
:C 4 fe80::%mgre0/64 link#12
:C 1 fe80::1%lo0/128 link#8
:CN 1 fe80::1efd:8ff:fe7e:6b38%mgre0/128 link#12
:C 8 fe80::9ab7:85ff:fe00:3726%mgre0/128 link#12
:C 8 fe80::9ab7:85ff:fe00:3727%mgre0/128 link#12
:C 4 ff01::%lo0/32 link#8
:C 4 ff01::%vport0/32 link#10
:C 4 ff01::%wg0/32 link#11
:C 4 ff01::%mgre0/32 link#12
:C 4 ff02::%lo0/32 link#8
:C 4 ff02::%vport0/32 link#10
:C 4 ff02::%wg0/32 link#11
:C 4 ff02::%mgre0/32 link#12
:
:
:As far as I can tell bgpd(8) is configured correctly, and there are no
:anomalies when it comes to routes. Below is a sample of my bgpd(8)
:configuration for reference.
:
fe80:: addresses are "link-local" addressess. Which means they are only
local to the link, and cannot be announced to other links.
You'll need to assign ULA or Global addresses to the links in order for
them to be announced.
:
:AS 10261
:
:neighbor fe80::9ab7:85ff:fe00:3726%mgre0 {
: remote-as 10261
:}
:neighbor fe80::9ab7:85ff:fe00:3727%mgre0 {
: remote-as 10261
:}
:
:network inet6 priority 4
:network inet6 connected
:network inet6 static
:
:allow from ibgp
:allow to ibgp set { nexthop fe80::1efd:8ff:fe7e:6b38%mgre0 prepend-self 1 }
:
:
:Am I missing something? Am I making some assumption when it comes to how
:bgpd(8) works with IPv6 addresses? Thank you in advance.
:
:
:Ben Raskin
:
--
With a rubber duck, one's never alone.
-- "The Hitchhiker's Guide to the Galaxy"
