diff --git a/src/sonic-frr/patch/0009-Link-local-scope-was-not-set-while-binding-socket-for-bgp-ipv6-link-local-neighbors.patch b/src/sonic-frr/patch/0009-Link-local-scope-was-not-set-while-binding-socket-for-bgp-ipv6-link-local-neighbors.patch new file mode 100644 index 000000000000..82a1b26fb98f --- /dev/null +++ b/src/sonic-frr/patch/0009-Link-local-scope-was-not-set-while-binding-socket-for-bgp-ipv6-link-local-neighbors.patch @@ -0,0 +1,44 @@ +From 4b45abcdb107c8c5d58fd63a2616c54c800305b3 Mon Sep 17 00:00:00 2001 +From: Akhilesh Samineni +Date: Mon, 5 Apr 2021 13:21:40 -0700 +Subject: [PATCH] Link local scope was not set while binding socket with local + address causing socket errors for bgp ipv6 link local neighbors. + +--- + bgpd/bgp_network.c | 5 +++++ + bgpd/bgp_zebra.c | 3 +++ + 2 files changed, 8 insertions(+) + +diff --git a/bgpd/bgp_network.c b/bgpd/bgp_network.c +index 6a5c2c4b3..d7047a154 100644 +--- a/bgpd/bgp_network.c ++++ b/bgpd/bgp_network.c +@@ -556,6 +556,11 @@ static int bgp_update_address(struct interface *ifp, const union sockunion *dst, + return 1; + + prefix2sockunion(sel, addr); ++ ++ if (IN6_IS_ADDR_LINKLOCAL(&addr->sin6.sin6_addr)) { ++ addr->sin6.sin6_scope_id = ifp->ifindex; ++ } ++ + return 0; + } + +diff --git a/bgpd/bgp_zebra.c b/bgpd/bgp_zebra.c +index e42d6ee26..8e9fa8903 100644 +--- a/bgpd/bgp_zebra.c ++++ b/bgpd/bgp_zebra.c +@@ -814,6 +814,9 @@ bool bgp_zebra_nexthop_set(union sockunion *local, union sockunion *remote, + ? peer->conf_if + : peer->ifname, + peer->bgp->vrf_id); ++ else if (peer->update_if) ++ ifp = if_lookup_by_name(peer->update_if, ++ peer->bgp->vrf_id); + } else if (peer->update_if) + ifp = if_lookup_by_name(peer->update_if, + peer->bgp->vrf_id); +-- +2.18.0 + diff --git a/src/sonic-frr/patch/series b/src/sonic-frr/patch/series index 29d350814927..2837a79f249a 100644 --- a/src/sonic-frr/patch/series +++ b/src/sonic-frr/patch/series @@ -6,3 +6,4 @@ 0007-frr-remove-frr-log-outchannel-to-var-log-frr.log.patch 0008-Add-support-of-bgp-l3vni-evpn.patch 0009-Add-bgp-bestpath-peer-type-multipath-relax.patch +0009-Link-local-scope-was-not-set-while-binding-socket-for-bgp-ipv6-link-local-neighbors.patch