RE: 3900 Question...

From: Chua, Parry (Parry.Chua@xxxxxxxxxx)
Date: Thu Apr 04 2002 - 06:24:25 GMT-3


   
TrBRF numer is 4 bits lenght (hex 0x01 to 0x0F), Same as bridge number when con
figure source-brdige interface command.

in Cat39xx, if you create one instance of TrBFR and you create several TrCRF's
which all attach to the same TrBFR, it is in one vlan(SRT or SRB).

If you create two or more TrBRF's and TrCRF's, You have two or more vlan's.
TrCRF that attach to the same TrBFR are belong to the same vlan..

Parry Chua

-----Original Message-----
From: Nicolai Gersbo Solling [mailto:nicolai@cisco.com]
Sent: Thursday, April 04, 2002 4:44 PM
To: ccielab@groupstudy.com
Subject: 3900 Question...

Hi there...

I do not have access to a 39XX in my labsetup, so I only have a simulator
for prepping on this wicked device...

Therefore coud someone please verify this for me...

If I have a TRBRF set to for instance 0x10 and one port in TRCRF 0x11 and
one in 0x12...
Then the two routers config would look like this...

r1
source-bridge ring-group 1
int to0
ip address 192.168.17.1 255.255.255.0
source-bridge 17 16 1

r2
source-bridge ring-group 1
int to0
ip address 192.168.18.1 255.255.255.0
source-bridge 18 16 1

Which subnet will the 3920 then be part of? Will it "auto-sence" which
subnet it is being assigned an IP address from or how will it work?
And in fact when you assign the IP address is that then being assigned to
the TRBRF or the TRCRF? And if it is being assigned to the TRCRF, which one
is it being assigned to?

Nicolai



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