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| author | Christian Poessinger <christian@poessinger.com> | 2020-03-05 17:20:30 +0100 |
|---|---|---|
| committer | Christian Poessinger <christian@poessinger.com> | 2020-03-05 17:20:30 +0100 |
| commit | d860d2f136e92c2bb959ad3c6dd9db70da0480b6 (patch) | |
| tree | a578c288c926d45ea23811e92af0795876bb652d | |
| parent | 4a8a3e1325bcfe4f6fcbb328cdd1eb67b3b0d86a (diff) | |
| download | vyos-1x-d860d2f136e92c2bb959ad3c6dd9db70da0480b6.tar.gz vyos-1x-d860d2f136e92c2bb959ad3c6dd9db70da0480b6.zip | |
vxlan: T1636: ensure 'link' interface really exists
| -rwxr-xr-x | src/conf_mode/interfaces-vxlan.py | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/conf_mode/interfaces-vxlan.py b/src/conf_mode/interfaces-vxlan.py index dabfe4836..c9ef0fe9c 100755 --- a/src/conf_mode/interfaces-vxlan.py +++ b/src/conf_mode/interfaces-vxlan.py @@ -134,8 +134,11 @@ def verify(vxlan): if vxlan['mtu'] < 1500: print('WARNING: RFC7348 recommends VXLAN tunnels preserve a 1500 byte MTU') - if vxlan['group'] and not vxlan['link']: - raise ConfigError('Multicast VXLAN requires an underlaying interface ') + if vxlan['group']: + if not vxlan['link']: + raise ConfigError('Multicast VXLAN requires an underlaying interface ') + if not vxlan['link'] in interfaces(): + raise ConfigError('VXLAN source interface does not exist') if not (vxlan['group'] or vxlan['remote']): raise ConfigError('Group or remote must be configured') |