Switching

Hi,guys How enable Portfast on the Etherchannel access ports ?  int po1 spanning-tree portfast OR int ran gi1/0/1-2 channel-group 1 mode on spanning-tree portfast

Hi Everyone, I am studying for CCNP Switch 300-115 test and I was playing with the IP DHCP Snooping configuration using Cisco Packet Tracer. Attached you can find a picture with the setup of the lab, the problem is only on ALS1 switch (bottom left c...

Hi, Need some help stopping these EIGRP sys logs. Any ideas?

Hello, I have a FW between two privates networks and it block multiples unknown  IP addresses (they don't belong to my two privates networks) I'm would like to find a way to locate them. I checked every ARP table but I didn't find them in it. (I t...

I could see both MAB & Dot 1x authenticates thru' Radius server.  Raduis server has the MAC directories and it assigns a appropriate VLAN for the respective MAC.  According to me, the difference is only with protocols they use.  In our environment we...

Dear Sir, I am trying to copy IOS image to Cisco 4503-E switch via tftp in ROMMON mode as someone removed image from the flash.when i check rommon commands there is no xmodem or copy commands there.,so i went with tftp.The connection between the swi...

Hi, I have a topology which includes one  multilayer switch and two  routers connected directly to that switch What I am trying to do is I created two SVIs (10 and 20) on switch with ip routing enabled and assigned the two interfaces to which routers...

I have 3750-X that seems to be operating but the SYST is out.  The STAT and MAST lights are lit and the ports are blinking normally.  How do I know if the switch is having problems or not?

Hi All,  I am very new to nexus and need to setup pair of 5k and few 2ks. My question is, do you cable 2x10 gb to one 5k and the same to another 5k thus you have a total forwarding capacity of 40gb ? does nexus load balance across two 5 k or pick ...