EIGRP authentication on 3550
This looks like a bug but I might be missing something so I better check with you guys :-)
When I specify authentication for a routed port on the 3550, it accepts the commands and then ignores them and removes them from the running config.
SW1#sh run
Building configuration...
... ... ...
key chain EIGRP
key 1
key-string CISCO2005
accept-lifetime 02:00:00 Mar 1 1993 00:15:00 Jan 1 2006
send-lifetime 02:00:00 Mar 1 1993 23:44:59 Dec 31 2005
key 2
key-string CISCO2006
accept-lifetime 23:14:59 Dec 31 2005 infinite
send-lifetime 23:44:59 Dec 31 2005 infinite
!
interface FastEthernet0/5
no switchport
ip address 148.1.57.7 255.255.255.0
... ... ...
end
SW1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
SW1(config)#int f0/5
SW1(config-if)#ip authentication mode eigrp 100 md5
SW1(config-if)#ip authentication key-chain eigrp 100 EIGRP
SW1(config-if)#exit
SW1(config)#do sh run int f0/5
Building configuration...
Current configuration : 85 bytes
!
interface FastEthernet0/5
no switchport
ip address 148.1.57.7 255.255.255.0
end
Comments
sh ver?
SW1#sh ver
Cisco IOS Software, C3550 Software (C3550-IPSERVICESK9-M), Version 12.2(44)SE1, RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2008 by Cisco Systems, Inc.
Compiled Fri 07-Mar-08 00:57 by weiliu
Image text-base: 0x00003000, data-base: 0x012A2A18
ROM: Bootstrap program is C3550 boot loader
SW1 uptime is 33 minutes
System returned to ROM by power-on
System image file is "flash:/c3550-ipservicesk9-mz.122-44.SE1.bin"