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-rw-r--r--python/vyos/ifconfig/vxlan.py19
1 files changed, 18 insertions, 1 deletions
diff --git a/python/vyos/ifconfig/vxlan.py b/python/vyos/ifconfig/vxlan.py
index 0c5282db4..516a19f24 100644
--- a/python/vyos/ifconfig/vxlan.py
+++ b/python/vyos/ifconfig/vxlan.py
@@ -1,4 +1,4 @@
-# Copyright 2019-2021 VyOS maintainers and contributors <maintainers@vyos.io>
+# Copyright 2019-2022 VyOS maintainers and contributors <maintainers@vyos.io>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
@@ -68,6 +68,16 @@ class VXLANIf(Interface):
'vni' : 'id',
}
+ # IPv6 flowlabels can only be used on IPv6 tunnels, thus we need to
+ # ensure that at least the first remote IP address is passed to the
+ # tunnel creation command. Subsequent tunnel remote addresses can later
+ # be added to the FDB
+ remote_list = None
+ if 'remote' in self.config:
+ # skip first element as this is already configured as remote
+ remote_list = self.config['remote'][1:]
+ self.config['remote'] = self.config['remote'][0]
+
cmd = 'ip link add {ifname} type {type} dstport {port}'
for vyos_key, iproute2_key in mapping.items():
# dict_search will return an empty dict "{}" for valueless nodes like
@@ -82,3 +92,10 @@ class VXLANIf(Interface):
self._cmd(cmd.format(**self.config))
# interface is always A/D down. It needs to be enabled explicitly
self.set_admin_state('down')
+
+ # VXLAN tunnel is always recreated on any change - see interfaces-vxlan.py
+ if remote_list:
+ for remote in remote_list:
+ cmd = f'bridge fdb append to 00:00:00:00:00:00 dst {remote} ' \
+ 'port {port} dev {ifname}'
+ self._cmd(cmd.format(**self.config))