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From: Alex Zinin (azininNEXSI.COM)
Date: Thu Dec 06 2001 - 20:19:52 CST
I'd look at it from a different perspective.
For consistency reasons, you have to include the metric
in the LSA. Using a "special" metric value for loopbacks
does not give you much, so there's no reason to specify
something like this.
-- Alex Zinin
Thursday, November 29, 2001, 4:32:19 AM, Swati Rastogi wrote:
> Hi, > [snip from rfc 2328 ..] > "When the router's interface to the network is in looped back state it will > be unavailable for regular data traffic. However, it may still be desirable > to gain information on the quality of this interface, either through sending > ICMP pings to the interface or through something like a bit error test. > Hence, IP packets may still be addressed in the looped back state. To > facitilitate this, such interfaces are advertised in router LSAs as single > host routes, whose destination is the IP interface address."
> In LSA metric will give info about the quality of the interface and if an > interface cannot be used for data traffic by a neighbor, what is the utility > of sending it in LSA to neighbor. What is the utility of knowing its > quality. Can anybody please send me some scenario where this is going to be > useful for routing purpose.
> Regards, > Swati
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