Switching

Hi all ¡¡In the switch cisco 2960 i can make some interfaces and some vlans.Without default route i can't ping any interface configured in the switch from hosts configured in different networks logycally....Why i can ping vlan 2 from diferent network...

i found this statement in a file but did not explain it any further.These neighbour/peer relationships only occur over primary interface addresses NOT via any secondary addresses that may be configured!does that include subinterfaces? only the primar...

i'm hoping that i haven't screwed up but here goes.  i replaced an HP L2 switch with a L3 3650 as a core switch.  when i installed the SW i didn't enable routing in an effort to not disturb too much.  but now i would like to move some routing lines f...

All,I am trying to enable BFD on C4507 Sup 6L-E, ruunning cat4500e-entservicesk9-mz.122-54.SG.bin, is BFD supported in that case?Thanks!

Hi all, I hope I'm posting to the right place, sorry if I should have used IP Telephony!My question is this:Our LAN consists of a Cisco 3560G L3 and 7 x Cisco 2960 L2. These provide a gigabit backbone. Off of these switches hang DLink unmanged switch...

Hi,I recently installed a new cisco C6509E chassis with WS-SUP32-10GE-3B, there is weird logging messages.Can someone help me to explain this? It will be greatly appreciated!Here is the chassis info,XXX_6509# sh module Mod Ports Card Type            ...

I have two questions reguarding the 3750x series switches.1. Does the 3750x come with the stacking cable(s) or is that a seperate purchase?2. Can you stack a POE and a non-POE version together? (same IP base of course)Thanks,Nathan

Hi,I have a 4507R-E switch with Sup6. after changing the running config, i did a copy run start, and its saved the usual way, but when i restarted the switch it went back to the initial configuration. the show ver shows the (configreg is 0x2102) whic...

Hi All, can anyone explain what does mean the below logs messages? Is something critical and how can we fix it? Host 0021.5a79.65a6 in vlan 100 is flapping between port Gi2/0/20 and port Gi1/0/20Host 0021.5a79.64ca in vlan 100 is flapping between p...

Hello everyone! I recently purchased a few equipment for my CCNA /CCNP lab. I also purchased Cisco 2509 Access Server to connect  all other cisco devices. I have followed the procedure to set up my access server and all can connect  apart from two of...

Good morning all ,we have a virtual switching system comprising of 2 x 6506 switches, one of them has  WS-X6704-10GE card , the other has WS-X6708-10G-3C card, we want to do an etherchannel to a device , is it possible to create lacp etherchannel wit...