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DLSW+ And Other Bridge Protocols

I remember reading something on CCO that said that DLSW+ could be used for bridging other protocols via DLSW suchs a DEC LAT / MOP etc.

The example would be to have a E0 on localrouter configured with Bridge Group 1 with Protcol ieee and assigned the DLSW bridge group to the DLSW peer environment. A remote router would have the same pointing to this local router.

This would allow the use of DLSW for transporting non-SNA traffic such as DEC LAT without having to bridge across the WAN.

Is this possible and supported?

1 ACCEPTED SOLUTION

Accepted Solutions
Silver

Re: DLSW+ And Other Bridge Protocols

The rule is that DLSw bridge all traffic whose routing protocol is not enable on the router. As DEC LAT is not routable, DLSw definitely bridge it.

As a kind reminder, you need to fully test this. As DEC LAT/MOP uses multicast a lot, DLSw cannot cache it. DLSw uses process switch to copy LAT/MOP multicast traffic to all DLSw peers. If there is too much LAT/MOP multicast traffice, this may cause high CPU on the router.

2 REPLIES
Silver

Re: DLSW+ And Other Bridge Protocols

The rule is that DLSw bridge all traffic whose routing protocol is not enable on the router. As DEC LAT is not routable, DLSw definitely bridge it.

As a kind reminder, you need to fully test this. As DEC LAT/MOP uses multicast a lot, DLSw cannot cache it. DLSw uses process switch to copy LAT/MOP multicast traffic to all DLSw peers. If there is too much LAT/MOP multicast traffice, this may cause high CPU on the router.

New Member

Re: DLSW+ And Other Bridge Protocols

When doing this, is this controlled by an access-list based on Ethernet Type codes?

Also, is there a guage that would be able to tell me how much of a CPU hit this would take?

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