From f1118a9a04ea5847db3f83f3160f639600e1bd3f Mon Sep 17 00:00:00 2001
From: Luke Granger-Brown <hg@lukegb.com>
Date: Thu, 19 Jan 2023 09:29:37 +0000
Subject: [PATCH] cofractal-ams01: support v4-on-v6 + ENH

---
 ops/nixos/cofractal-ams01/default.nix | 2 ++
 ops/nixos/lib/bgp.nix                 | 1 +
 2 files changed, 3 insertions(+)

diff --git a/ops/nixos/cofractal-ams01/default.nix b/ops/nixos/cofractal-ams01/default.nix
index 334e0cb8b6..3a83074591 100644
--- a/ops/nixos/cofractal-ams01/default.nix
+++ b/ops/nixos/cofractal-ams01/default.nix
@@ -146,10 +146,12 @@
         routerID = "199.19.152.160";
       };
       export.v4 = [ ];
+      export.v6 = [ "2a09:a446:1337::/48" ];
       peering.cofractal = {
         local = local // {
           v6 = "2a09:a446:1337:ffff::10";
         };
+        v4onv6 = true;
         remote = {
           asn = 26073;
           export_community = 6000;
diff --git a/ops/nixos/lib/bgp.nix b/ops/nixos/lib/bgp.nix
index c3dab57294..0d6c56b5eb 100644
--- a/ops/nixos/lib/bgp.nix
+++ b/ops/nixos/lib/bgp.nix
@@ -98,6 +98,7 @@ let
           import all;
           export ${if ix.remote.is_route_collector then "all" else "filter bgp_export_${ixName}4"};
           ${prefixLimitSnippet ix.remote.prefix_limit.v4}
+          extended next hop;
         };
       ''}
       ipv6 {