After the upgrade to FRR 10.2, a configuration option for setting the source-address for SRv6 encapsulated packets is now available:
```
segment-routing
srv6
encapsulation
source-address 2001:db8::1
exit
exit
exit
```
This task adds this configuration options to VyOS as:
```
protocols
segment-routing {
srv6 {
encapsulation {
source-address "2001:db8::1"
}
}
}
}
```
**Note:** this depends on FRR commit [[ https://github.com/FRRouting/frr/commit/c8e83c3bfd94fa6a5a2ea85a8d374aae3a48980a | #c8e83c3 ]] (merged to master in Nov 2024). It does not yet appear to be part of any release.