diff options
Diffstat (limited to 'src/conf_mode/protocols_isis.py')
| -rwxr-xr-x | src/conf_mode/protocols_isis.py | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/conf_mode/protocols_isis.py b/src/conf_mode/protocols_isis.py index d4c82249b..4505e2496 100755 --- a/src/conf_mode/protocols_isis.py +++ b/src/conf_mode/protocols_isis.py @@ -113,9 +113,13 @@ def verify(isis): # Interface MTU must be >= configured lsp-mtu mtu = Interface(interface).get_mtu() area_mtu = isis['lsp_mtu'] - if mtu < int(area_mtu): - raise ConfigError(f'Interface {interface} has MTU {mtu}, minimum ' \ - f'area MTU is {area_mtu}!') + # Recommended maximum PDU size = interface MTU - 3 bytes + recom_area_mtu = mtu - 3 + if mtu < int(area_mtu) or int(area_mtu) > recom_area_mtu: + raise ConfigError(f'Interface {interface} has MTU {mtu}, ' \ + f'current area MTU is {area_mtu}! \n' \ + f'Recommended area lsp-mtu {recom_area_mtu} or less ' \ + '(calculated on MTU size).') if 'vrf' in isis: # If interface specific options are set, we must ensure that the @@ -144,7 +148,7 @@ def verify(isis): exist_timers = set(required_timers).difference(set(exist_timers)) if len(exist_timers) > 0: - raise ConfigError('All types of delay must be specified: ' + ', '.join(exist_timers).replace('_', '-')) + raise ConfigError('All types of spf-delay must be configured. Missing: ' + ', '.join(exist_timers).replace('_', '-')) # If Redistribute set, but level don't set if 'redistribute' in isis: |