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Re: Need help with Cisco VLAN bridging....

  • From: Kent Yu
  • Date: Sat Feb 10 15:41:00 2001


Apart from other suggestions, I think you also can do this:

1)Put ip address at both ends of the DS3;
2) Esbalish tunnels for each of your vlan using different loopback
3)put the vlans in their respective tunnles using brigde-group;
4) use rate limit based on the soure of loopback interface of the tunnel to
control how much each tunnel(vlan) can use the DS3;

Not sure wether you want to turn on the IRB, probably not.
Of course this is preety urgly using layer 3 to solve layer2 problem, but
just off the top of my head.

Kent Yu

----- Original Message -----
From: "Craig Holland" <>
To: "Nanog@Merit. Edu" <>
Sent: Friday, February 09, 2001 5:22 PM
Subject: Need help with Cisco VLAN bridging....

> Has anyone had experience bridging multiple VLANs accross a clear-channel
> DS3?  I have 2 3640's populated with 1 FE and 1 HSSI.  They are connected
> a DS3.  I've tried a couple of different configs, including turning one
> router into a frame swich and building a PVC for each VLAN, but the
> didn't seem to work. I've tried running SDE directly between the HSSI
> ports...and that didn't seem to work. I'm up a against a deadline here,
> would greatly appreciate any help you can offer.  I've also tried a couple
> of IRB configs.
> Thanks in advance,
> craig
> Craig Holland
> Network Engineer
> Yahoo! Inc.
> (408)731-3572
> Y!Messenger: cholland

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