Hi All,
Am reading ccnp switching exam guide (cisco press), I am very confused
by the design example provided in the book.
A provided design of typical switch block:
L2 S1 L2 S2 (Layer2 switching)
| \ / |
| \ / |
| \ / |
| \ / |
| /\ |
| / \ |
| / \ |
L3 S3 --- L3 S4 (Layer 3 switching) <- question is here
\ /
to core layer
My question is why the direct link between L3 S3 and L3 S4 is required?
Won't it be a bad design which would impose the potential of bridging loop?
Since L3 switching is used, HSRP and routing protocol will provide
enough route failure detection and redundancy function.
Is this a practical design in the real world?
Thanks
Paul
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