From: Private Ryan (pv.ryan@gmail.com)
Date: Fri Sep 23 2005 - 16:09:29 GMT-3
2 ABR no need to be on the same L2 connection. It is because every
router know how to reach each other within the same area (by Type 1
and Type 2 routes)
2005/9/23, Jian Gu <guxiaojian@gmail.com>:
> Hi, all,
>
> Quick question, an OSPF virtual link has to be established between two ABRs,
> do the two ABRs have to have a direct L2 connection? (direct L2 connection
> meaning on one Ethernet segement, physical serial link or have a frame-relay
> P2P broadcast PVC). I would say no, because all
> multicast OSPF packets would be consumed by transit routers. Better
> explanation anyone?
>
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