[c-nsp] Sup2 (Not Sup2T) on a 6513 (NON-E)

[Nick Cutting]

Specifically - this message:

Adding a WS-X6148-GE-TX port to a channel limits the channel's bandwidth to a maximum of 1Gig throughput.

Per flow? Or in total

-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Nick Cutting
Sent: Friday, September 9, 2016 3:32 PM
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] Sup2 (Not Sup2T) on a 6513 (NON-E)

Good afternoon Lords of the Layers,

Anyone remember far back enough to answer two questions on the SUP2 supervisor on an original (NON-E) 6513 chassis?

It seems the online cisco documentation doesn't go further back than the SUP 32 - it's very hard to find a datasheet for this.

Mod Slot Ports Module-Type               Model               Sub Status
--- ---- ----- ------------------------- ------------------- --- --------
1   1    2     1000BaseX Supervisor      WS-X6K-SUP2-2GE     yes ok

The layer 2 is CatOS and the layer 3 is IOS.

A client has a couple of these switches I am trying to phase out, and was wondering two things, throughput related.

The layer 2 switching engine trunks all traffic destined to be routed on the switch, up to an internal port on the SUP known as 15/1 -> then over to the layer 3 IOS to be routed on the SVI.

Spanning tree has a value of 4 for the cost of this link - and in spanningtree IEEE - this is 1 gig.

Port                     Vlan Port-State    Cost      Prio Portfast Channel_id
15/1                     11   forwarding            4   32 enabled  0

Does this mean that anything that is routed - maxes out at 1 gig on this platform? Or is the spanning tree value here arbitrary - and the backplane faster than this? - I thought the backplane of the SUP 2 was 32 gig - is this for switching and routing - or just switching?

Also when configuring etherchannel on the CatOS switching engine - it mentions a warning message about maximum speed being 1 gig - I imagine this is just talking about a single flow - and multiple flows will be load shared as normal?

Any insight would be greatly appreciated.

Thank you,
Nick Cutting



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