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authorChristian Breunig <christian@breunig.cc>2023-05-28 15:23:33 +0200
committerChristian Breunig <christian@breunig.cc>2023-05-28 15:23:33 +0200
commit8ef017a3496467433c311af63116af7657c58037 (patch)
treed222ed9d29639effcb33148373be061e91372f65 /src
parent367423acc33c7a5d1ee5f0f8980884026529f426 (diff)
downloadvyos-1x-8ef017a3496467433c311af63116af7657c58037.tar.gz
vyos-1x-8ef017a3496467433c311af63116af7657c58037.zip
router-advert: T5240: verify() that no more then 3 IPv6 name-servers configured
This is a radvd limitation.
Diffstat (limited to 'src')
-rwxr-xr-xsrc/conf_mode/service_router-advert.py4
-rw-r--r--src/etc/systemd/system/radvd.service.d/override.conf1
2 files changed, 5 insertions, 0 deletions
diff --git a/src/conf_mode/service_router-advert.py b/src/conf_mode/service_router-advert.py
index 1b8377a4a..1dd973d67 100755
--- a/src/conf_mode/service_router-advert.py
+++ b/src/conf_mode/service_router-advert.py
@@ -93,6 +93,10 @@ def verify(rtradv):
if not (int(valid_lifetime) >= int(preferred_lifetime)):
raise ConfigError('Prefix valid-lifetime must be greater then or equal to preferred-lifetime')
+ if 'name_server' in interface_config:
+ if len(interface_config['name_server']) > 3:
+ raise ConfigError('No more then 3 IPv6 name-servers supported!')
+
if 'name_server_lifetime' in interface_config:
# man page states:
# The maximum duration how long the RDNSS entries are used for name
diff --git a/src/etc/systemd/system/radvd.service.d/override.conf b/src/etc/systemd/system/radvd.service.d/override.conf
index 472710a8b..812446dd9 100644
--- a/src/etc/systemd/system/radvd.service.d/override.conf
+++ b/src/etc/systemd/system/radvd.service.d/override.conf
@@ -16,3 +16,4 @@ ExecReload=/usr/sbin/radvd --logmethod stderr_clean --configtest --config /run/r
ExecReload=/bin/kill -HUP $MAINPID
PIDFile=
PIDFile=/run/radvd/radvd.pid
+Restart=always