From: Bob Chahal (bob.chahal@xxxxxxxxxxxx)
Date: Sun Aug 12 2001 - 15:10:06 GMT-3
Hi Kyle
That sounds like a pretty good explanation to me. basically for the last
part you are saying use
dlsw remote 0 tcp <r1 local-peer add> dest-mac 482c.482c.482c .
Is that correct?
Bob
----- Original Message -----
From: "Kyle Galusha" <kgalusha@cisco.com>
To: "Jay Chandradas" <jachandr@cisco.com>
Cc: <ccielab@groupstudy.com>
Sent: Sunday, August 12, 2001 4:47 PM
Subject: Re: dlsw bitswap confusion..
> Jay,
> Here is my understanding.
> By default DLSW does the bit swapping if needed. That is if you are not
> trying to do static cache or reachability entries. If you are trying to
> do statics or mac filters that is when bit swapping may be needed. The
way
> I try to remember it is that DLSW normally assumes everything is in
> noncanonical (token ring) format. You can confirm this by doing a sho dlsw
> reach and your ethernet macs show up bit swapped. So if you are working
> with t/r endstations you don't need bit swapping. If you are using
> ethernet (canonical) endstations you will need to use bit swapping because
> DLSW wants/expects t/r format.
>
> So if you use icanreach mac exclusive commands on r1 than you need to bit
> swap for any host it has locally on r1s ethernet. This would tell r2 you
> r1 can only reach a specific mac on r1 and no others.
>
> On the other hand, if you want to allow r1's netbios client to reach only
> the host 1234.1234.1234 you would have to filter on r1 with a mac address
> of 482c.482c.482c (bit swapped 1234.1234.1234)
>
> Been a while since I've played with DLSW (that why I'm reviewing it now)
> but that is how I remember it. I'm sure other may have input a well.
> Kyle
>
>
> At 11:21 PM 8/11/2001 -0700, Jay Chandradas wrote:
> >Hello all,
> >
> >
> >This may be a basic issue on dlsw : But I am having a tough time in
> >understanding ..Let me try to explain..
> >
> >Ethernet0 R1 --------------------------------------R2 Ethernet 0
> > |
> > |
> > Token ring 0
> >
> >I have dlsw connectivity between R1 and R2. I have a host on Ethernet
> >segement on R2 with a mac address of 1234.1234.1234. if my requirement is
> >to make r1 cache the entries of host on r1 ethernet segment. Do I have to
> >bit swap the mac address while specifying dlsw filters ?
> >
> >Or if my host is on token ring do I have to bitswap. I think I am really
> >confused..on when I shud bitswap..
> >can someone help me ?
> >
> >TIA
> >jay.
> >**Please read:http://www.groupstudy.com/list/posting.html
> **Please read:http://www.groupstudy.com/list/posting.html
**Please read:http://www.groupstudy.com/list/posting.html
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