show run
Building configuration...

Current configuration : 789 bytes
!
! Last configuration change at 21:45:13 UTC Tue Mar 6 2012
! NVRAM config last updated at 21:45:14 UTC Tue Mar 6 2012
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname Cisco-R
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
!
resource policy
!
ip cef
!
!
!
!
no ip domain lookup
clns routing
!
!
!
!
!
!
!
!
interface FastEthernet0/0
 ip address 192.168.1.2 255.255.255.0
 speed 100
 full-duplex
 clns router isis A
!
interface FastEthernet0/1
 no ip address
 shutdown
 duplex auto
 speed auto
!
router isis A
 net 49.0001.00a0.c96b.c600.00
!
!
!
no ip http server
no ip http secure-server
!
!
!
!
control-plane
!
!
line con 0
line aux 0
line vty 0 4
 login
!
scheduler allocate 20000 1000
end

Cisco-R# show clns nei
Cisco-R# show clns neighbors 

System Id      Interface   SNPA                State  Holdtime  Type Protocol
00A0.C96B.C490 Fa0/0       f8c0.01d6.1380      Up     7         L1L2 IS-IS
Cisco-R#show clns route
Codes: C - connected, S - static, d - DecnetIV
       I - ISO-IGRP,  i - IS-IS,  e - ES-IS
       B - BGP,       b - eBGP-neighbor

C  49.0001 [2/0], Local IS-IS Area
C  49.0001.00a0.c96b.c600.00 [1/0], Local IS-IS NET
Cisco-R#ping clns 49.0001.00a0.c96b.c600.00             

Type escape sequence to abort.
Sending 5, 100-byte CLNS Echos with timeout 2 seconds
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/1 ms
Cisco-R#ping clns 49.0001.00a0.c96b.c490.00

Type escape sequence to abort.
Sending 5, 100-byte CLNS Echos with timeout 2 seconds
.....
Success rate is 0 percent (0/5)
Cisco-R#