Switching

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...

hello,Please, someone already encountered this problem? I'm having problems in the implementation of the topology between the two switches 3750 (stack) with router router 2901.no'm configuring BVI interface and switch ports are in access mode.When I ...

This is a silly question and I don't have a switch to test it with buttechnically is there any reason why you can't use an uplink port of a switch to connect to a server/pc (10g (sfp+,x2) or 1 gig (sfp, x2,copper)).Can it be done on the interfaces of...

Hi All,I have upgraded my C3560-PS-S switch to the latest IOS version 12(2)55-SE4 and it is not providing PoE anymore? Anybody seen something like this before? It used to work before this upgrade? I searched Cisco bugtrack and there is bug defined fo...

I have a 3750X 24 port switch (with NM-1G network module) running IOS 15.0(1). Is there any benefit or reason to plug in the included StackWise cable and loop it back to itself in a single switch installation?I don't see any recommendation in the doc...

Hi Friends,please telme, how many levels in telnet, enable and secret modes.I am a bit confuse of config in telnet, enable and secret modes, so plz provide me with complete commands.Thanks,Srinivas.

Hello,I'm using Radius (via Windows 2008 NPS) and trying to authenticate a users with privilege 15 which is working and a custom privilege which I need to assign a custom CLI view to as these custom users only needs to be able to:Show runSh ip int br...

Hi,I have two Cisco C2960 switches attached to each other using two ports configured as a port-channel. These are connected to two ASA5505's set up as active/standby. There are redundant connections between both switches and the firewalls. The firewa...

We have  two 3945 CUBE routers. One is primary and another one is for failover. We have two interfaces with a BVI interface connected going to two Switches(1 primary switch and another for failover). Now we have these two interfaces on the switch wit...

Folks,     Few days ago I faced a issue in which one of ours 4500 stopped providing poe on some ports in one line card. I called TAC and ran some diagnostics. However, there is a command that I found and it is NOT DOCUMENTED on 4500 reference guide! ...

Hi All,We have a setup like this          3750 static -  COre switch            /     \           /       \   5548 Nexus -      5548 Nexus    - Access switchesNow 3750 is core switch and it is VTP server now ,all L3 and L2 vlans are created on the sw...