Switching

Hi all ¡¡¡I have some doubts about etherchannel-->1º)Etherchannel and channel-group its the same?2º)Why is best to use etherchannel negotiation protocols(lacp and PAgP) to etablish a etherchannel in mode ON... Where is the advanjate?In all the cases ...

Hi Guys,I just got my hands on the new 2960S's and I fired up the latest version of Cisco Network Assistant, and it turns out that the switch is not compatible with the CNA.This doc:https://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps6406/q...

Hi There,I am looking for a stable release, preferably up to date ( 14.4? IOS) version for a 6513 switch running supervisor 720, the aim of the upgrade is to support a WISM card that we are installing, since the current version doesn´t support it. Bu...

Hi allI need to complete some documentation for disaster recovery purposes, basically restoring a cisco cat 6509 running IOS, ie if the file system is corrupt and wont boot.Can anyone put the basic steps down on restoring and image, config and settin...

HiCan anyone tell me how to set up a trunk from a cisco slm2008 to a cisco slm2024 both these switches have web gui.Many ThanksAndy

Hi:I configured 802.1x on a 3560 for guest account and it worked fine, except that about an hour later, it started rebooting every 20 min.  As I was about to log in to the switch through the console, it won't take the passowrd anymore, and it keeps a...

Can I have one vlan acces list and filter it across multiple VLANs? Like so:ip access-list extended VLAN_BLOCK_SNMP................. permit udp 172.23.22.0 0.0.0.255 192.168.55.0 0.0.0.255 eq snmp permit udp 172.23.23.0 0.0.0.255 192.168.55.0 0.0.0.2...

Just recently we have had 3-4 switches from the same customer all with the Stackwise  flapping problem.*Mar  1 00:03:23.826: %STACKMGR-4-STACK_LINK_CHANGE: Stack Port 2 Switch 2 has changed to state UP*Mar  1 00:03:25.839: %STACKMGR-4-STACK_LINK_CHAN...

Something wierd happening . . . A few months ago, the power supply failed on two switches on two different stacks (one on each stack). I got replacement switches from TAC and installed them. Now, I'm finding that CNA cannot see those two switches. It...

Alright... I have QoS Deployed and working on my LAN, ingress marking everything appropriately at the edge (3750 stacks), and The core is trusting ingress traffic from the edge.  What I have not yet figured out is how to get my traffic re-marked to m...