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| author | Viacheslav Hletenko <v.gletenko@vyos.io> | 2022-07-27 11:53:07 +0000 |
|---|---|---|
| committer | Viacheslav Hletenko <v.gletenko@vyos.io> | 2022-07-28 10:00:17 +0000 |
| commit | 319102b7f9ea384127b685de7cfbef2a6ade52df (patch) | |
| tree | d3a61eb5ef4546c5896e268bf37b5980bb693d4a /src/conf_mode/interfaces-vxlan.py | |
| parent | 8bbaafd554d003078607121e2de662c9c8edee40 (diff) | |
| download | vyos-1x-319102b7f9ea384127b685de7cfbef2a6ade52df.tar.gz vyos-1x-319102b7f9ea384127b685de7cfbef2a6ade52df.zip | |
vxlan: T4570: Verify MTU for remote address if source not defined
In some cases `source_address` can be not defined in the conf
So we should to check list of `remote` vxlanX addresses
If remote address is IPv6 - add overhead +20 bytes to default
overhead 50. I.e. +70 bytes for IPv6
Diffstat (limited to 'src/conf_mode/interfaces-vxlan.py')
| -rwxr-xr-x | src/conf_mode/interfaces-vxlan.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/conf_mode/interfaces-vxlan.py b/src/conf_mode/interfaces-vxlan.py index bf0f6840d..af2d0588d 100755 --- a/src/conf_mode/interfaces-vxlan.py +++ b/src/conf_mode/interfaces-vxlan.py @@ -118,6 +118,11 @@ def verify(vxlan): # in use. vxlan_overhead += 20 + # If source_address is not used - check IPv6 'remote' list + elif 'remote' in vxlan: + if any(is_ipv6(a) for a in vxlan['remote']): + vxlan_overhead += 20 + lower_mtu = Interface(vxlan['source_interface']).get_mtu() if lower_mtu < (int(vxlan['mtu']) + vxlan_overhead): raise ConfigError(f'Underlaying device MTU is to small ({lower_mtu} '\ |