Switching

Hi,We have PoE modules installed in different Cisco 4506 switches and found the same issue with these PoE cards giving us message as below,%C4K_SWITCHMANAGER-4-S2WERRORREPORT After this message ports of PoE card goes down and IP Phone's gets discon...

hey all, have a very odd issue, every now and again a switch will not be pingable it will drop about 10 pings and then the pings will come back alive, durring this time traffic is not affected at all only the pings, it seems that untill the switch is...

when i upgrade upload a new ios to my 2960g switch,sh flash: shows the new bin file but also shows the old directory of where the bin file sits. can i keep both files and boot from the new bin file? why does the old bin file sit in a directory?do I n...

We have a switch stack which is a WS-C3750E-24PD  stacked with a WS-C3750G-12S the 3750E switch has the universal ios version 12.2.50(SE3) installed and an ip services license the 3750G switch has ios version 12.2.50(SE3) ipservices.when I stacked th...

whats the differnece betwn vlan and vlan as an interface?? I am confused between these two.pls explain

I have configured 2 vlans on a 2960g switch. ports 1/6 vlan 10ports 7/12 vlan 11i want machines on both vlans to communicate with each other. what do I use as default gateway or what is the configuration?

Hi allHas anyone got any typical or best practice config advice or examples for what protection you apply to say your core switches and routers. CheersCarl

Hi,I am trying to configure GLBP for the attached diagram but no luck its not working. Can you please help me in configuring the GLBP settings.I wanna track serial link and do load sharing.R1 config:interface FastEthernet0/0 ip address 172.16.1.2 255...

What happens if I run my 6509 with only 1 power cord connected to a 6000 watt power supply?  The manual says the max power output is 2900 watts, but when I actually tried that, the results from show power look the same.  Am I looking at things wrong?