Re: blocking test frames to a specific host

From: xander (xander@xxxxxx)
Date: Thu Nov 29 2001 - 13:00:49 GMT-3


   
Hello Brian,

Thursday, November 29, 2001, 6:06:54 PM, you wrote:

If you are prohobited to use layer2 filters, use icanreach mac-address

BH> In light of recent events, this disclaimer: I have not seen this on
BH> any test nor have I heard it is on any test.

BH> I've been going through "DLSw+ SAP/MAC Filtering Techniques" on CCO and
BH> see where even if you have specified "dlsw mac-addr a.b.c remote-peer
BH> ip-address x.x.x.x" it won't block the test frame to the peer that can
BH> reach that mac. Apparently that's because the in the reachability cache
BH> it's listed as "unconfirm". Is there a way to force it into "confirm"
BH> state by adding another command somewhere or another way to filter a
BH> test frame to a specifc host? I can filter all test frames to a
BH> specific peer, no problem at all, but not to a specific host. And do
BH> it without using "icanreach mac-exclusive" (pretend there are numerous
BH> hosts out there and you don't know the mac's of all of them, which is a
BH> more realistic scenario). Granted, this isn't something you would
BH> normally do, I'm just trying to go beyond the basics and explore all
BH> possibilities. Is it possible to block a SNA test frame destined to a
BH> specific host? thx

BH> Brian

--
WBW, xander
CCNP Voice Access,
AP1024-RIPE


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