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| author | Daniil Baturin <daniil@vyos.io> | 2024-04-07 19:37:22 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-04-07 19:37:22 +0200 |
| commit | 96f7fb69fb6ba34f15e35b4cddbb108eebda6199 (patch) | |
| tree | 1046cc126729244a7c74472454318c164516a89b /src/conf_mode/interfaces_ethernet.py | |
| parent | b286552f1d0f1bfa23eea29ab92426db27efc425 (diff) | |
| parent | fbaa707f72ac1a0214ca57c8768fefa4b818738b (diff) | |
| download | vyos-1x-96f7fb69fb6ba34f15e35b4cddbb108eebda6199.tar.gz vyos-1x-96f7fb69fb6ba34f15e35b4cddbb108eebda6199.zip | |
Merge pull request #3276 from vyos/mergify/bp/sagitta/pr-3265
ethernet: T5862: default MTU is not acceptable in some environments (backport #3265)
Diffstat (limited to 'src/conf_mode/interfaces_ethernet.py')
| -rwxr-xr-x | src/conf_mode/interfaces_ethernet.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/conf_mode/interfaces_ethernet.py b/src/conf_mode/interfaces_ethernet.py index 41efdb03c..6da7e6a69 100755 --- a/src/conf_mode/interfaces_ethernet.py +++ b/src/conf_mode/interfaces_ethernet.py @@ -152,6 +152,19 @@ def get_config(config=None): base = ['interfaces', 'ethernet'] ifname, ethernet = get_interface_dict(conf, base, with_pki=True) + # T5862 - default MTU is not acceptable in some environments + # There are cloud environments available where the maximum supported + # ethernet MTU is e.g. 1450 bytes, thus we clamp this to the adapters + # maximum MTU value or 1500 bytes - whatever is lower + if 'mtu' not in ethernet: + try: + ethernet['mtu'] = '1500' + max_mtu = EthernetIf(ifname).get_max_mtu() + if max_mtu < int(ethernet['mtu']): + ethernet['mtu'] = str(max_mtu) + except: + pass + if 'is_bond_member' in ethernet: update_bond_options(conf, ethernet) |