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Add documentation for MPLS on loopback interfaces

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Pim van Pelt
2023-06-11 18:45:30 +02:00
parent 1c9590dcce
commit 52864aac2c
1 changed files with 4 additions and 0 deletions
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docs/config-guide.md
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@ -73,6 +73,9 @@ following fields:
in CIDR format. VPP requires IP addresses to be unique in the entire dataplane, with one in CIDR format. VPP requires IP addresses to be unique in the entire dataplane, with one
notable exception: Multiple IP addresses in the same prefix/len can be added on one and the notable exception: Multiple IP addresses in the same prefix/len can be added on one and the
same interface. same interface.
* ***mpls***: An optional boolean that configures MPLS on the interface or sub-interface. The
default value is `false`, if the field is not specified, which means MPLS will not be enabled.
This allows BVIs, represented by Loopbacks, to participate in MPLS .
Although VPP would allow it, `vppcfg` does not allow for loopbacks to have sub-interfaces. Although VPP would allow it, `vppcfg` does not allow for loopbacks to have sub-interfaces.
@ -87,6 +90,7 @@ loopbacks:
lcp: bvi1 lcp: bvi1
mtu: 9000 mtu: 9000
addresses: [ 10.0.1.1/24, 10.0.1.2/24, 2001:db8:1::1/64 ] addresses: [ 10.0.1.1/24, 10.0.1.2/24, 2001:db8:1::1/64 ]
mpls: true
``` ```
### Bridge Domains ### Bridge Domains