Switching

Hi, what at is best practice for creating VDCs I think to create 3 core, distributin & servers then will use layer 3 routing between core and distribution and servers will reach distribution through the core. or it is better to create only core an...

Hi! I'm having serious issues with bridge assurance blocking random vlans at random times on a single etherchannel. this occurs on the 6500 side of the connection. the 6500 is connected to a vPC on a couple of nexus 5596's. I cant for the life of me ...

How do you see the reliability, rxload and txload on a L3 VLAN (SVI)? If you #sh int it only shows that info for physical interfaces, not VLANS. On a 9k that is connected I'm seeing a saturated VLAN but I don't know what is happening on my 5k.

Hello, I'm having a strange issue, and maybe this is related to me trying to do something that can't really be done, but I'd like to find out what's going on.  I have 5 sites all connected by a layer 2 mesh Ewan circuit.  Two of my sites, HQ and DR i...

Hello I have a doubt , are this modules of the 6509 hot swap? Supervisor Engine 720 10GE VS-S720-10G ,, this is the standby supervisor and I need to remove it, can I do this on production?. I will have 2 6509 in vss with one supervisor each, if the...

This is a bit of a high-level question I'm asking, but I can provide more data if needed. I currently have two upstream providers. One 10Gig circuit with provider A, and another 10Gig circuit with provider B. Last week we turned-up a second 10Gig cir...

Hi, I have to Cisco WS-C2960S-48TS-L  on a stack. They're currently running IOS version is 15.0(2)SE6,  C2960S-UNIVERSALK9-M. The switch stack doesn't seem to be performing as expected. Connections to devices behind the stack fail when member 1 is ma...

HelloHaving enabled "auto qos trust" on a 3850-48P, we are seeing the below messages.*Sep 14 00:49:59.044:  Warning: Modification to policy AutoQos-4.0-Trust-Cos-Input-Policy on wired port is unrecommended, please remove and reapply if unexpected beh...

Hi I have a 3560C switch i'm using for Routing between some VLANs and default route. But the default route is giving me some problems, because as far as I can se the Switch does not support indirectly connected routes on the defualt SDM template an...

I have 3 new Cisco 2960x switches that i am adding to existing stacks. Two of the three stacks went fine, however the third stack is giving me an issue. When plugging in the new switch, and attempting any sort of network traffic on the stack, i get ...

Attached is a topology in one of our offices. The network was running fine till today where my HSRP failed for a pair of routers and produced the following logs2/1/2007 10:45 Local1.Warning 172.16.102.31 1407: 19w4d: %HSRP-4-DIFFVIP1: FastEthernet0/0...