Hi

Thanks for the respone.

Yes, all clients are located in different subnets. Some of the clients are
connected through the same IP subnet, but most of them are on different
subnets.

Running only the GB adapter wont be enough. There is approx. 150 TSM
clients, and they are located on 6 different subnets.

The problem is that if we use the default gateway on the GB adapter(or any
other adapter), the switch will flood. This is because the switch is using
"Spanning Tree". What it reallys means is, that if a client connects to the
TSM server on one of the two 100Mbs ethernet adapters, and the TSM server
responds on the GB adapter(which have the default gateway), the Cisco
switch wont like it, as it keeps track of the mac-address within the
packet. When the TSM server responds, it will respond with the mac-address
of the GB adapter, instead of the original mac-address from the 100Mbs
Ethernet adapter. This causes the switch to get schizofrenic, as it sends
one packet to one mac-address, but recieves a respone from another
mac-address...

This is solved in AIX 5L, which have the possibility to have multiple
default gateways bound to different network interfaces. This means that if
you have three adapters, you can have 3 different default gateways, one for
each adapter.

The question was if somebody has been able to solve this on a lower level
of AIX, such as ML 4.3.3.09.

Best Regards

Daniel Sparrman


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Daniel Sparrman
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