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authorBenjamin M. Hughes <bmhughes@bmhughes.co.uk>2020-01-07 14:47:06 +0000
committerBenjamin M. Hughes <bmhughes@bmhughes.co.uk>2020-01-09 21:53:20 +0000
commit17dd50751d72079ff67c67b3b4143ec234793955 (patch)
tree348b89351bcef82aec6df0ad0eccab404f5a487c /src/conf_mode
parentc05063bc831047a0afebaca74508479ee4af278c (diff)
downloadvyos-1x-17dd50751d72079ff67c67b3b4143ec234793955.tar.gz
vyos-1x-17dd50751d72079ff67c67b3b4143ec234793955.zip
bfd: T1949: fix verification logic for IPv6 BFD peers
IPv6 BFD peers only require a source address unless link-local addresses are used.
Diffstat (limited to 'src/conf_mode')
-rwxr-xr-xsrc/conf_mode/protocols_bfd.py11
1 files changed, 8 insertions, 3 deletions
diff --git a/src/conf_mode/protocols_bfd.py b/src/conf_mode/protocols_bfd.py
index 9ca194edd..58f5b5a0e 100755
--- a/src/conf_mode/protocols_bfd.py
+++ b/src/conf_mode/protocols_bfd.py
@@ -163,10 +163,15 @@ def verify(bfd):
conf = Config()
for peer in bfd['new_peers']:
- # IPv6 peers require an explicit local address/interface combination
- if vyos.validate.is_ipv6(peer['remote']):
+ # IPv6 link local peers require an explicit local address/interface
+ if vyos.validate.is_ipv6_link_local(peer['remote']):
if not (peer['src_if'] and peer['src_addr']):
- raise ConfigError('BFD IPv6 peers require explicit local address and interface setting')
+ raise ConfigError('BFD IPv6 link-local peers require explicit local address and interface setting')
+
+ # IPv6 peers require an explicit local address
+ if vyos.validate.is_ipv6(peer['remote']):
+ if not peer['src_addr']:
+ raise ConfigError('BFD IPv6 peers require explicit local address setting')
# multihop require source address
if peer['multihop'] and not peer['src_addr']: