Hi i am trying to set up trunking between 2900-xl and 7000 series router all other commands for the trunking work but show trunk is not there ....why????..i configured it like this can anybody help I am facing problem in setting the isl trunk between 29900xL series switch and 7100 series router .The configuration is like i am using fast ethernet port 0/16 of switch for trunk . i configure it using commands as below for the switch i do.. conf t int vlan 1 ip adress 192.168.3.215 255.255.255.0 ip default-gateway 192.168.3.210 conf ter int fast eth0/16 switchport mode trunk switchport trunk encapsulation isl(right ) swicthport trunk allowed vlan all conf ter int fast0/15 switchport access vlan 2 spannig portfast exit also i did like vlan database vtp server vlan 2 now for the router conf t int fast0/0 no shutdown exit int fast0/0.1 encap isl 1 ip add 192.168 .3.210 255.255.255.0 exit int fast0/0.2 encap isl 2 ip add 192.168 .4.210 255.255.255.0 exit the show ver shows 11.2(8)..rest of the commmands work .. am i forgetting anything ..do i need to use something like set trunk mode on or negotiate for it to work ... ..also after this if i do show cdp neigh the router see the switch but if i do it on switch it doesn't see the router ..please help ..... where i am doing wrong ..............Pleaseeeeeeeeeeeee help Thanx in advance Regards Arun Sharma Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=6858&t=6858 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]