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| author | Donald Sharp <sharpd@cumulusnetworks.com> | 2018-03-29 00:23:27 +0200 |
|---|---|---|
| committer | Donald Sharp <sharpd@cumulusnetworks.com> | 2018-04-18 00:40:17 +0200 |
| commit | cafec8da4f0a7ac850eb42a71c6d695e1f79fc7c (patch) | |
| tree | d0ba8d9565fda572ac1e76b879380559e138b09e /lib | |
| parent | Merge pull request #2064 from donaldsharp/redistribute_limitation (diff) | |
| download | frr-cafec8da4f0a7ac850eb42a71c6d695e1f79fc7c.tar.xz frr-cafec8da4f0a7ac850eb42a71c6d695e1f79fc7c.zip | |
lib, pbrd: Do not allow v6 LL nexthops to be specified without an interface.
Prevent the creation of a v6 LL nexthop that does not include an interface
for proper resolution.
Ticket: CM-20276
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/nexthop_group.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/nexthop_group.c b/lib/nexthop_group.c index 1ec49c2a0..a527d011a 100644 --- a/lib/nexthop_group.c +++ b/lib/nexthop_group.c @@ -280,8 +280,14 @@ DEFPY(ecmp_nexthops, ecmp_nexthops_cmd, intf, vrf->name); return CMD_WARNING; } - } else + } else { + if (IN6_IS_ADDR_LINKLOCAL(&nhop.gate.ipv6)) { + vty_out(vty, + "Specified a v6 LL with no interface, rejecting\n"); + return CMD_WARNING_CONFIG_FAILED; + } nhop.type = NEXTHOP_TYPE_IPV6; + } } nh = nexthop_exists(&nhgc->nhg, &nhop); |