[c-nsp] FEX (6800IA) on Cat6880-X

[Nick Cutting]

This is the document you need:

http://www.cisco.com/c/en/us/products/collateral/switches/catalyst-6800ia-switch/qa_c67-728684.html

Q.    Can a compact switch be connected to an Instant Access client?
A.     Yes. A compact switch or any other switch can be connected to an Instant Access client host port.
Note:    Any remotely connected switches are not part of the Instant Access domain, so they are independently managed and operate the same as when directly connected to the Catalyst 6500 or 6800 switch.

Q.     Can the Cisco Catalyst 6800ia be configured to operate as a standalone switch in non-FEX mode?
A.     No, a Cisco Catalyst 6800ia can operate only in Instant Access client mode and does not support any local switching. However, the new Instant Access- capable Cisco Catalyst C3560CX-12PD-S and C3560CX-8XPD-S compact switches can operate as standalone switches in non-FEX mode.


-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Robert Hass
Sent: 17 September 2015 22:56
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] FEX (6800IA) on Cat6880-X

Hi
I'm just wondering about deployment of 6800IA FEX'es with two 6880-X as core layer.

Not sure regarding few topics:
1) Do 6800IA have local switching or everything is passing back to 6880-X ?
I mean how communications between two ports is working on same 6800IA unit if a) two hosts are in same VLAN (Layer2) and b) two hosts are in different VLANs (inter-VLAN routing is required - SVIs are configured on 6880). Nexus 2K FEXes - they don't have local-switching AFAIK, but what about 6800IA.

2) What about 6800IA buffers ?

3) Can I connect switch to 6800IA ? This was limitation of Nexus 2k FEXes.
How it's looks here ?

4) How much 6800IA I can have connected to two 6880-X ?

5) Are all features like MPLS, VPLS, QoS will work or 6800IA or there is some limitations ?

6) Any remarks about stability / software bugs of this technology ?

Rob
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