I guess he's just using an IOS image that doesn't support inter-VLAN
routing. Can someone point me to a chart? I don't have a CCO login though.
Here's his attempt to use the encapsulation command and a show version and
show flash.
RTR#config t
Enter configuration commands, one per line. End with CNTL/Z.
RTR(config)#int f0/0
RTR(config-if)#no ip address
RTR(config-if)#int f0/0.1
RTR(config-subif)#encapsulation dot1q 100
^
% Invalid input detected at '^' marker.
RTR#show version
Cisco Internetwork Operating System Software
IOS (tm) C2600 Software (C2600-IO3-M), Version 12.1(5), RELEASE SOFTWARE
(fc1)
Copyright (c) 1986-2000 by cisco Systems, Inc.
Compiled Wed 25-Oct-00 11:13 by cmong
Image text-base: 0x80008088, data-base: 0x8085F2D8
ROM: System Bootstrap, Version 11.3(2)XA4, RELEASE SOFTWARE (fc1)
RTR uptime is 22 hours, 17 minutes
System returned to ROM by power-on
System image file is "flash:c2600-io3-mz.121-5.bin"
cisco 2621 (MPC860) processor (revision 0x101) with 20480K/4096K bytes of
memory
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