The vss tag has no usage guidance.
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1answer
62 views
Alternatives to VSS and vPC?
Is there any alternative to Cisco's VSS or vPC? I mean not with other vendors, just Cisco? Because I'm planning a new network design here in our company and I'm not really sure, if there's an ...
0
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1answer
57 views
Stacking Cisco Catalyst 3850 via Fibre?
I'm working at several new network concepts for our company and the challenge is to stack at least two Catalyst 3850 over a distance of 200-300 meters. I know there are other possibilities like VSS or ...
1
vote
2answers
99 views
Multi-Node VSS core, how to configure?
In this diagram we have 4 Cisco 6500 switch, which are connected via standard 10 GB VSL links. The questions are:
Since we could only have one Active and one Standby, which one of these switches ...
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0answers
37 views
Issues with Cisco VSS MCP and Brocade cross-stack etherchannels?
Has anyone run across spanning tree, and/or strange behaviors with issues with Cisco VSS MCP and Brocade cross-stack etherchannels ?
We have L2 multi-chassis ether-channels configured on 10G ...
2
votes
2answers
770 views
VSS between 4503-E & 4507+E
Is it possible to deploy VSS configuration between Catalyst 4503-E and Catalyst 4507+RE ?
This is what I am trying to do, but at VSL establishment I get the following error messages :
*May 26 ...
2
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0answers
859 views
6807XL CPU process stuck at 25 / 30 %
I've recently installed a new 6807XL Chassis in VSS in my datacenter.
After 3 weeks, I keep seeing the CPU usage around 25% (per second, per minute or per five minutes). Looking at the historical ...
4
votes
2answers
1k views
4500E / 4500X VSS pairing
Is it possible to combine a 4500E with a 4500X into a VSS pair or do they have to be the same model to pair up? If it requires same model, is it due to hardware or software? For example if it is ...
9
votes
3answers
665 views
Does Cisco 6500 VSS improve or hurt MTBF?
I understand the benefits of the Cisco 6500 VSS with the obvious selling points of single management, single routing instance, STP elimination, port-channels across chassis, etc. With two standalone ...
11
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1answer
2k views
NX-OS peer-switch issues with 6500 VSS
I'm bringing up a new pair of Nexus 5500s running NX-OS 5.2 and I'd like to make use of the new vPC Peer Switch feature:
The Virtual Port Channel (vPC) peer switch feature addresses performance ...
12
votes
3answers
2k views
Why we get high fluctuation on bandwidth measurement Cacti graph?
We were on redundancy test of Etherchannel and Routing on our network. During this intervention we made some measurement. Our monitoring tool is Cacti for graph.
The equipment monitored is a 4500-X ...
5
votes
2answers
3k views
What are the alternatives to OTV for stretching a layer 2 network across 2 datacenters?
We want to find a "safe" way to stretch layer 2 network across 2 data-centers, and since we don't have any equipment running NX-OS on either data-centers we can't use OTV.
So what are the alternatives ...
9
votes
1answer
369 views
UDLD in VSS configurations
Since a VSS is a single system image, does it make sense to enable UDLD for links between the switch pair? We've seen some recovery problems that we feel might be due to UDLD mistakenly identifying an ...
