Switching

Hi,I need to add another SUP engine on Cat 4507R switch, with a new one. I have old SUP engine running in this switch. Sometime this switch is reloaded without any reason. So we want to add another sup engine for redundancy. Can anyone help me know t...

Overarching question: Does anyone know where Cisco publishes detailed specs for power cords?  Equipment-side connector, wall-side connector, length, amp rating, AWG.Specific Question:  Does anyone know what 208V datacenter PDU-destined power cords Ci...

I have 3750 stack with 4 switches.I am trying to make change some port to new VLAN, but switch 2 & 3 new change never works, the ports stick with old VLAN. Other two switches works as I expected on new changed VLAN.Tried to reboot, no progress.Any id...

I'm a recent Grad and just started to work for a cloud provider.  The Senior Engineer gave me a project and thought this would be a good place to start to get some help.  We have a Cisco 6513 Switch.  During some parts of the day it is having large a...

yesterday I inherited a problem in that no-one knows how to access our router that handles IP addressing and wireless service for our customers. I need access to this router in order to change the wireless passwords.

Hello,I have setup my routers to authenticate via radius, but I need to display a message when user connect to a switch or router when using SSH that radius is online so they know not to use the local passwords.  Anyway it doesnt work for ssh, if I l...

In Cisco 3550, the default Spanning Tree Protocol is PVST. The command to configure this protocol is spanning-tree mode pvst. However, when I issue the show spanning-tree command, the output says, Spanning tree enabled protocol ieee. Even though PVST...

In the figure, there are 2 Vlans that are connected to different router ports.Withotu changing physical topology, is it possible to add Host C to vlan10?If not is there a rule that every host that belongs to same vlan must be connected to the same po...