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Why allow same VRRP group on multiple IP addresses within an interface? #333

Closed AndreasVoellmy closed 1 month ago

AndreasVoellmy commented 4 years ago

https://github.com/openconfig/public/blob/23c269b2cc6d9d59e4fd5611cd55a9a0c4af3ece/release/models/interfaces/openconfig-if-ip.yang#L1227-L1236

Looking at the schema, it seems that ip-vrrp-top is a collection of vrrp groups, keyed by virtual-router-id, and such a collection can appear underneath each IP address of a sub interface, routed-vlan, etc.

First question: is the IP address under which a VRRP group is located meant to be the virtual IP address for the VRRP group?

Second questions: this schema allows for the same VRRP group (identified by virtual-router-id) to appear under distinct IP addresses of the same interface. This seems surprising. On devices that I have looked at, the vrrp groups are organized directly under the interface, and each vrrp group is assigned a single virtual IP address. So my questions are: is the flexibility of the current model really needed and intended? Are there any devices you can point to that allow this? Or was this a mistake and maybe it would be better to either move the vrrp groups underneath interface (or sub interface etc) or else add some XPATH constraints to the current organization?

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