Hi one more thing what should be the release we should be using for using this .. the current release we are using is .....Rel.11.2(8)SA5 ""Arun"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Hi > 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 > > > now the problem is i am not able to ping from router to interface > 192.168.3.210 ..am i doing something wrong ......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 > FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=5386&t=5272 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]

