Switching

Hi All,I use Catalyst 3512 XL and unable to verify the serial number of GBIC interface.Tried with show idprom or show inventory. both are not working with this switch. Is there any other way to verify the serial number of GBIC?

Hello,Can anyone tell me the major differences between the Supervisor 6-E and 6L-E?Our company will have a new building by the end of the year and we're considering using Cisco all over the building (seven floors). Our Cisco networking partner at fir...

I have implemented several virtual networks using VRF-lite across 6500s, 4500s, 3750s, 3560s, 3550s, and now ME 3400Gs. All of these platforms support IP multicasting within VRFs except the 4500 Sup V and Sup IV. The Sup 6-E supports it. This seems l...

Hi all, I hope I'm posting this to the correct area, please do let me know if this post would be more appropriate in another area.We have deployed 3560s with IOS ver 12.2 <25> sec. in our distribution closets and have engaged port security on all of ...

very basic setup. two servers on the SAME vlan 11 on the SAME switch (C6500-sup720 IOS 12.2(18)SXF13)it's a layer 2 vlan. switch doesn't have a layer 3 SVI "int vlan11" on this vlanBoth hosts are publishing to a multicast address (verified by wiresha...

HelloOn R1 i have:ntp authentication-key 1 md5 Ciscontp authentication-key 2 md5 Cisco2ntp trusted-key 1ntp server 1.1.1.1 key 1Router R2 with enabled authentication is connecting to R1 as a client.What keys R1 will use to sign replies to R2 ? Are th...

Hi,Did 2924-XL Switch support Rapid STP (802.1w) or not.BR,Auos.

I have the following scenario: The network core are provided by Catalysts 6500. Unfortunately there's only one VLAN configured.I need to determine the bandwidth utilization each server has per flow over time.My question is if possible to configure th...

what is the difference between sup-bootflash: and sup-bootdisk: ? on a sup-720.

Hi! I wonder is possible that all (selected) logs is automatically saved to external flash or USB device? I mean, same as syslog sent to another server/machine.More thanks, Alar.

Hello everyone. We have a 3750 stack connected to a 6513 with 10 gig SM fibers. We are seeing input, crc and some framing errors. We checked the fiber, and found it to be within the specs for 10 gig (as far as loss goes). When I drop this connectio...

i m getting the following log message which causes entire network down where we connected 50 switches and 700 users pc connected. This the log message i m getting in cisco 4000 L3 switch . In port Gi2/15 i have connected up link of another floor whe...

Hi guys,I am 99% certain that my design will work but just wanted to pose the question to you guys to confirm as I don't have a test lab!I have a remote site that I have a Cisco 3560 - 24 Port switch installed with IP Services. At present it is a L2 ...

Is there Qos on LAN, if there is how to do it? thanks!

Please any1 help me im a beginner for cisco that i need to configure the 12 core switch 3750. how to assign ip address to the switch and assign vlan w/ ip address to each core. add vlan id and name. and if possible, if the same vlan id and vlan name ...