Switching

I've seen other discuessions on 802.1x mab, however most of the ones I saw were from a couple years ago and IOS has changed since them so I figure I might as well ask again.We are moving to 802.1x in our infrastructure.  We currently run Cisco 2960s ...

I have set HSRP autentication MD5 key-string using clear text and wondering how do I allow for the NExus 5K to encrypt it across all the interfaces?

While troubleshooting an issue on an N5K, we noticed the following values in the output of the "show lacp" command: bld-vda-4a-d33231# sh lacp interf eth 125/1/9[snip]  Unknown packets rcvd: 1303  Illegal packets rcvd: 1303 We have not been able to f...

Hello All,I have a few blade servers with cisco switch modules installed in them.  The problem i am having is that some of my internal ports connected to internal servers  are giving output drops.Please see the attached file for info.If u need more i...

Hi When a switch is set as secondary root , the bridge id will come less than root bridge id. How this is notified in the BDPU ? Will it not create a confusion in the root bridge selection. how this is handled in STP ?

Hi,I have couple of 6509 with sup 720-10gb in active/standby mode using vss.In ''show log" command I am getting log message %PFINIT-SW1_SP-5-CONFIG_SYNC: Sync'ing the startup configuration to the standby Router.Is anything wrong in it?

Hello, If a cisco switch is configure as layer 3 switch using eigrp and its has interface vlan 192.168.34.1 and is advertise under eigrp network 192.168.34.0 0.0.0.255. And it's has port configure just as switchport trunk and then I have another sw...

Hi all ,ive GRE tunnel between twp routers with two publi ips and its finethe toplogy is : lan1---------router1----------internet--------------routers----lan2lan1 can reach lan through gre tunnel and its fine. but a new in the toplogy has occured, it...

Hello,What causes a router or switch to prompt for username and password when you vty as oppose to vty into switch and going straight to the enable password.  Whats commands make the user get prompt for username or password when vty into switch? Than...

Hi, can i use 2 cisco 871 + Ethernet External USB to Lan RJ45 Network Card Adapter as the second computer to do my ccna labs? ( it's like i have 2 switches and 2 routers right ? )

Hi All,I have doubt on ST P troubleshgootingI have 150 switches incompany loop issue on switch .I need help on how to troubleshoot on to resolve the issue and what are the commnada to use this issue 

I have PIM router which connects to the cat 2960 switch and also I have host which connects to another port on the same switch. Host was joined to the IGMP group 224.1.1.1. I see that the router generates igmp-query and the host respons. IGMP-snoopin...