a sh ver would be helpful. I have a 2621 running 12.7 ip plus that supports trunking:
C2621A#sh ver Cisco Internetwork Operating System Software IOS (tm) C2600 Software (C2600-IS-M), Version 12.1(7b), RELEASE SOFTWARE (fc1) Copyright (c) 1986-2002 by cisco Systems, Inc. Compiled Tue 05-Feb-02 22:16 by cmong Image text-base: 0x80008088, data-base: 0x80CBF5D0 C2621A#conf t Enter configuration commands, one per line. End with CNTL/Z. C2621A(config)#inter fa0/1.1 C2621A(config-subif)#encap C2621A(config-subif)#encapsulation dot C2621A(config-subif)#encapsulation dot1Q 1 C2621A(config-subif)# I generally keep the VLAN and suninterface the same, easier to keep straight. Dave Priscilla Oppenheimer wrote: > So, we started to implement the campus LAN design that I mentioned in > previous messages, but we can't seem to do VLAN trunking on the darn 2600 > router! > > When we do: > > int fa0/0 > no ip address > int fa0/0.1 > encapsulation dot1q 100 > > The router claims that the "encapsulation" is invalid input. > > When we tried to do the IP address first, it says: > > Configuring IP routing on a LAN subinterface is only allowed if that > subinterface is already configured as part of an IEEE 802.10, IEEE 802.1Q, > or ISL vLAN. > > (That makes it sound like VLAN trunking is supported!?) > > IOS version is 12.1(5). > > He's using the Firewall Feature Set (CBAC stuff) es evidenced by "ip > inspect" commands in his config. > > Does it not support VLAN trunking?? > > I've asked him to do "show flash" and "show version" so we can get more > info. What else should I ask for? THANKS > > Priscilla -- David Madland CCIE# 2016 Sr. Network Engineer Qwest Communications 612-664-3367 "You don't make the poor richer by making the rich poorer." --Winston Churchill Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=59869&t=59850 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
