Hi Meicong,
From: Lsr <[email protected]> on behalf of meicong <[email protected]>
Date: Thursday, September 24, 2020 at 2:23 AM
To: "[email protected]" <[email protected]>
Cc: Huzhibo <[email protected]>, "Jiangyu (China)" <[email protected]>
Subject: [Lsr] some doubt about RFC 5185 (Multi Area Adjacency)
Hi ALL,
About rfc5185 OSPF Multi-Area Adjacency section 2.7 Advertising Multi-Area
Adjacencies:
Link ID = Remote's Router ID
I have the following questions:
1、I'm not sure whether “Neighbor's IP Address” means “local interface IP
address” or “remote interface IP address”.
2、If it is remote interface IP address， why not use local interface IP address,
Any special considerations?
In looking at this again, I believe using the remote interface IP address is
unnecessary since the interface area ID can be used to disambiguate the usage
for multiple adjacencies.
Thanks,
Acee
Thanks,
In section 2.7，
Link Data = Neighbor's IP Address
2.7. Advertising Multi-Area Adjacencies
Multi-area adjacencies are announced as point-to-point links. Once
the router's multi-area adjacency reaches the FULL state, it will be
added as a link type 1 to the Router Link State Advertisement (LSA)
with:
Link ID = Remote's Router ID
Link Data = Neighbor's IP Address or IfIndex (if the underlying
interface is unnumbered).
rfc5185 OSPF Multi-Area Adjacency
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