we are using cisco 6509 series switches as core switches. and Cisco 4510,4507 series switches as edge switches. all the vlans are created at core switches and propogating to edge switches through VTP. we are using OSPF as routing protocol at core swi...

i want to renew my CCNP certification which is gona expire in couple of months.  i want to write CCIP 642-642 (qos) exam to renew my CCNP certificate.can anybody help are there any LABS in this exam or only theory?THANKS IN ADVANCE.

i want to renew my CCNP certification which is gona expire in couple of months.  i want to write CCIP 642-642 (qos) exam to renew my CCNP certificate.can anybody help are there any LABS in this exam or only theory?THANKS IN ADVANCE.

hi,we have 6509 switch configured with several vlans (Data,voice etc) as back bone connected with edge switches. the users who are connecting to perticular vlan will get ip address from Linux server which is working as a dhcp server. we have some exc...