Dear all, We have cisco 4507 at the distribution layer, where several VLANs are there. For past few days we are observing that users of one vlan VLAN 52 are unable to connect to the network. On investigation, we found out that the users of this VLAN...

Hi all, Plese suggest how do I How to configure single dns server for all the VLANs in cisco 3560 switch? Thanks

Hi, I would like to configure a Cisco 1924 switch as a manageable switch so that I can access it remotely using telnet, but I am not able to enable the telnet  feature on that switch. Can anyone suggest how do I enable the telnet on 1924 switch? Tha...

Hi, We have 4507 R+E switch at distribution layer on which two ports are connected to an access switch 1900 series(One port on VLAN 80 & other on VLAN 88). Some users on the 1900 switch belong to VLAN 88 and some to VLAN 80.  We have EIGRP running at...

Hi, I was studying for my CCNP switch exam. During the topic of Loopguard, I came across "Due to sudden loss of BPDUs, a loop may be introduced in the network". Now what is the exact technical reason for a switch to not receive the BPDUs from the nei...