When migrating a l2tpv3 interface from VyOS 1.2.3 to current rolling the configuration is not properly migrated and results in a "Configuration error".
This is due to a priority inversion of the bridge rewrite and l2tpv3
Description
Description
Details
Details
- Difficulty level
- Easy (less than an hour)
- Version
- -
- Why the issue appeared?
- Will be filled on close
- Is it a breaking change?
- Unspecified (possibly destroys the router)
- Issue type
- Bug (incorrect behavior)
| Status | Subtype | Assigned | Task | ||
|---|---|---|---|---|---|
| In progress | FEATURE REQUEST | None | T3355 Remove all remaining legacy Vyatta code | ||
| Resolved | FEATURE REQUEST | None | T1579 Rewrite all interface types in new XML/Python style | ||
| Resolved | FEATURE REQUEST | c-po | T1556 Rewrite Bridge in new style XML syntax | ||
| Resolved | FEATURE REQUEST | c-po | T1823 l2tpv3 interface migration fails |
Event Timeline
Comment Actions
Both Routers running VyOS 1.2.3
R1
set interfaces l2tpv3 l2tpeth10 address '192.0.2.2/24' set interfaces l2tpv3 l2tpeth10 destination-port '4000' set interfaces l2tpv3 l2tpeth10 encapsulation 'udp' set interfaces l2tpv3 l2tpeth10 local-ip '172.18.203.10' set interfaces l2tpv3 l2tpeth10 peer-session-id '10' set interfaces l2tpv3 l2tpeth10 peer-tunnel-id '200' set interfaces l2tpv3 l2tpeth10 remote-ip '172.18.201.10' set interfaces l2tpv3 l2tpeth10 session-id '20' set interfaces l2tpv3 l2tpeth10 source-port '3000' set interfaces l2tpv3 l2tpeth10 tunnel-id '100'
R2
set interfaces bridge br0 address '192.0.2.1/24' set interfaces l2tpv3 l2tpeth10 bridge-group bridge 'br0' set interfaces l2tpv3 l2tpeth10 bridge-group bridge 'br0' set interfaces l2tpv3 l2tpeth10 destination-port '3000' set interfaces l2tpv3 l2tpeth10 encapsulation 'udp' set interfaces l2tpv3 l2tpeth10 local-ip '172.18.201.10' set interfaces l2tpv3 l2tpeth10 peer-session-id '20' set interfaces l2tpv3 l2tpeth10 peer-tunnel-id '100' set interfaces l2tpv3 l2tpeth10 remote-ip '172.18.203.10' set interfaces l2tpv3 l2tpeth10 session-id '10' set interfaces l2tpv3 l2tpeth10 source-port '4000' set interfaces l2tpv3 l2tpeth10 tunnel-id '200'
Migration fails with the following message:
[email protected]# commit [ interfaces bridge br0 ] Can not add non existing interface "l2tpeth10" to bridge "br0" [[interfaces bridge br0]] failed [ interfaces l2tpv3 l2tpeth10 ] Traceback (most recent call last): File "/usr/libexec/vyos/conf_mode/interfaces-l2tpv3.py", line 23, in <module> from vyos.ifconfig import L2TPv3If, Interface ImportError: cannot import name 'L2TPv3If' from 'vyos.ifconfig' (/usr/lib/python3/dist-packages/vyos/ifconfig/__init__.py)