Switching

Hello,I am looking for best practices for spanning-tree features in an entire vPC network, read a cisco doc where it says to do not use bridge assurance in a vPC environment. Is there any other spanning-tree feature that we need to look further befor...

Hello,I have a 4507R with SUP IV, i am trying to configure routed port to a SIP server, the company gave us the address 172.x.x.25 for our end with 172.x.x.26 for the gateway and 255.255.255.252 netmask. The Sip server on the other company side addre...

Hi All,I need to add a new vlan to my 1841 and as of now the two vlans I have are essentially tied to the two interfaces on the device.  Is there a way I can add another vlan with out having it tied to an interface as there are no more?  Below is the...

Hello,I am lookin for opinions on a new core switch.  We currently have multiple 3560G's that we are using with our ESX hosts and our dark fiber interconnects between our buildings.  These switches are being over worked, and are showing a lot of outp...

Hi,Given the following configuration in a uplink portinterface GigabitEthernet0/2switchport trunk encapsulation dot1qswitchport mode trunksrr-queue bandwidth share 10 10 60 20srr-queue bandwidth shape  10  0  0  0queue-set 2mls qos trust cosauto qos ...

Hi,Does anyone know if there is an EOL for Cisco 2960S, or have these replaced the Cisco 2950? I have tried to find an EOL for the 2960, but l cannot find one.Thanks,James            

Hi,Can 10Gbase SFP+ module support 1GB traffic on a Nexus 5596T.The module for 10Gb is Cisco SFP-10G-SR. My scenario is connecting the 10GB SFP+ module to an access switch 1GB fiber uplink, will this work?Thanks.

Hi everybody.Please consider the following example.All routers are running IPpim dense mode. Sever is generating multicast traffic 224.7.7.7 continuously ( I use ping 224.7.7.7  repeat 100 millions)No state refresh message is enabled.Please focus on ...

Hi:I have a 3560 that is currently in production use. Unfortunately I work for a small company and we don't have a test network to test out changes outside of the production environment (obviously not ideal, not even close, but it is what I have to w...

I have attached a diagram that hopefully shows what I'm trying to explain here. I have an 891W router. I have /30 address space between the router and the ISP. The ISP routes down a /29 address space. What I am looking to do is put an ASA with one of...

Does Nexus 7K support Multiple VDCs sharing ports on a single line card. One of our cisco parnter engineers stated that cisco doenst recommend using same line card for multiple VDCs.The second VDC (Non-Default VDC) will be used four our Outside, and ...

Just wondered what best practice is regarding the max number of devices per vlan. Our network uses a /20 mask which I think is too small . We have one particular vlan which contains 1120 devices (inc servers) and spans multiple switches. I've recomme...