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Can I do layer 2 switching between different switching modules in a router or it only works withing the same switching module ??

Hello All   

Appreciate if you help me with below

When I have more than Ethernet switching module in a router, do layer 2 switching works between these swithcing modules or it only works withing the same switching module ??

Imagine I have two WS-X6748-SFP switching modules inserted inserted in slots 1 and 2 at a 7600 router as shown in figure

All PCs (R1, R6 ,R5 and R7) are in same access vlan

Will connectivity works between hosts on different switching modules ??

test.JPG

I tried it on GNS3 using 3725 router with intergrated switching module NM-16ESW and below are the results

- I was able to ping to between hosts on same switching modules

- Not able to ping between hosts on different swithcing modules

- Not able to ping from any host to SVI configured at switch !!

Does this makes sense ??

Thanks

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VIP Expert

Can I do layer 2 switching between different switching modules i

See  "LAN switching and routing forum"

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