Kamis, 04 Juli 2013

Troubleshooting router





ROUTER 0
Router>en
Router#conf t
Router(config)#int fa0/0
Router(config-if)#ip add 172.16.3.1 255.255.255.0
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#int s2/0
Router(config-if)#ip add 172.16.2.1 255.255.255.0
Router(config-if)#clock rate 64000
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#
Router(config)#ip route 172.16.1.0 255.255.255.0 s2/0
Router(config)#ip route 192.168.0.0 255.255.252.0 s2/0
Router(config)#exit



ROUTER 1

Router>en
Router#conf t
Router(config)#int fa0/0
Router(config-if)#ip add 172.16.1.1 255.255.255.0
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#int s2/0
Router(config-if)#ip add 172.16.2.2 255.255.255.0
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#int s3/0
Router(config-if)#ip add 192.168.1.1 255.255.255.0
Router(config-if)#clock rate 64000
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#ip route 172.16.3.0 255.255.255.0 s2/0
Router(config)#ip route 192.168.2.0 255.255.255.0 s3/0
Router(config)#exit

ROUTER 2
Router>en
Router#conf t
Router(config)#int f0/0
Router(config-if)#ip add 192.168.2.1 255.255.255.0
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#int s2/0
Router(config-if)#ip add 192.168.1.2 255.255.255.0
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#ip route 172.16.0.0 255.255.252.0 s2/0
Router(config)#exit


Troubleshooting router 0
Router#PING 192.168.2.40
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.2.40, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 14/18/27 ms
Router#traceroute 172.16.1.25
Type escape sequence to abort.
Tracing the route to 172.16.1.25

  1   172.16.2.2      11 msec   5 msec    5 msec   
  2   172.16.1.25     18 msec   15 msec   14 msec  
Router#sh ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
       i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
       * - candidate default, U - per-user static route, o - ODR
       P - periodic downloaded static route

Gateway of last resort is not set

     172.16.0.0/24 is subnetted, 3 subnets
S       172.16.1.0 is directly connected, Serial2/0
C       172.16.2.0 is directly connected, Serial2/0
C       172.16.3.0 is directly connected, FastEthernet0/0
S    192.168.0.0/22 is directly connected, Serial2/0
Router#sh ip int brief
Interface              IP-Address      OK? Method Status                Protocol

FastEthernet0/0        172.16.3.1      YES manual up                    up

FastEthernet1/0        unassigned      YES unset  administratively down down

Serial2/0              172.16.2.1      YES manual up                    up

Serial3/0              unassigned      YES unset  administratively down down

FastEthernet4/0        unassigned      YES unset  administratively down down

FastEthernet5/0        unassigned      YES unset  administratively down down
Router#sh cdp neighbors detail

Device ID: Switch
Entry address(es):
Platform: cisco 2950, Capabilities: Switch
Interface: FastEthernet0/0, Port ID (outgoing port): FastEthernet0/2
Holdtime: 161

Version :
Cisco Internetwork Operating System Software
IOS (tm) C2950 Software (C2950-I6Q4L2-M), Version 12.1(22)EA4, RELEASE SOFTWARE(fc1)
Copyright (c) 1986-2005 by cisco Systems, Inc.
Compiled Wed 18-May-05 22:31 by jharirba

advertisement version: 2
Duplex: full
---------------------------

Device ID: Router
Entry address(es):
  IP address : 172.16.2.2
Platform: cisco PT1000, Capabilities: Router
Interface: Serial2/0, Port ID (outgoing port): Serial2/0
Holdtime: 123
Version :
Cisco Internetwork Operating System Software
IOS (tm) PT1000 Software (PT1000-I-M), Version 12.2(28), RELEASE SOFTWARE (fc5)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2005 by cisco Systems, Inc.
Compiled Wed 27-Apr-04 19:01 by miwang

advertisement version: 2
Duplex: full

Troubleshooting router 1
Router#ping 172.16.3.20
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.16.3.20, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 6/16/27 ms
Router#traceroute 192.168.2.40
Type escape sequence to abort.
Tracing the route to 192.168.2.40

  1   192.168.1.2     7 msec    3 msec    10 msec  
  2   192.168.2.40    10 msec   12 msec   5 msec   
Router#sh ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
       i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
       * - candidate default, U - per-user static route, o - ODR
       P - periodic downloaded static route

Gateway of last resort is not set

     172.16.0.0/24 is subnetted, 3 subnets
C       172.16.1.0 is directly connected, FastEthernet0/0
C       172.16.2.0 is directly connected, Serial2/0
S       172.16.3.0 is directly connected, Serial2/0
C    192.168.1.0/24 is directly connected, Serial3/0
S    192.168.2.0/24 is directly connected, Serial3/0
Router#sh ip int brief
Interface              IP-Address      OK? Method Status                Protocol

FastEthernet0/0        172.16.1.1      YES manual up                    up

FastEthernet1/0        unassigned      YES unset  administratively down down

Serial2/0              172.16.2.2      YES manual up                    up

Serial3/0              192.168.1.1     YES manual up                    up

FastEthernet4/0        unassigned      YES unset  administratively down down

FastEthernet5/0        unassigned      YES unset  administratively down down
Router#sh cdp neighbors detail

Device ID: Switch
Entry address(es):
Platform: cisco 2950, Capabilities: Switch
Interface: FastEthernet0/0, Port ID (outgoing port): FastEthernet0/2
Holdtime: 155

Version :
Cisco Internetwork Operating System Software
IOS (tm) C2950 Software (C2950-I6Q4L2-M), Version 12.1(22)EA4, RELEASE SOFTWARE(fc1)
Copyright (c) 1986-2005 by cisco Systems, Inc.
Compiled Wed 18-May-05 22:31 by jharirba

advertisement version: 2
Duplex: full
---------------------------

Device ID: Router
Entry address(es):
  IP address : 172.16.2.1
Platform: cisco PT1000, Capabilities: Router
Interface: Serial2/0, Port ID (outgoing port): Serial2/0
Holdtime: 130

Version :
Cisco Internetwork Operating System Software
IOS (tm) PT1000 Software (PT1000-I-M), Version 12.2(28), RELEASE SOFTWARE (fc5)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2005 by cisco Systems, Inc.
Compiled Wed 27-Apr-04 19:01 by miwang

advertisement version: 2
Duplex: full
---------------------------

Device ID: Router
Entry address(es):
  IP address : 192.168.1.2
Platform: cisco PT1000, Capabilities: Router
Interface: Serial3/0, Port ID (outgoing port): Serial2/0
Holdtime: 146

Version :
Cisco Internetwork Operating System Software
IOS (tm) PT1000 Software (PT1000-I-M), Version 12.2(28), RELEASE SOFTWARE (fc5)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2005 by cisco Systems, Inc.
Compiled Wed 27-Apr-04 19:01 by miwang

advertisement version: 2
Duplex: full


Troubleshooting router 2
Router#ping 172.16.3.20
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.16.3.20, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 14/40/66 ms
Router#traceroute 172.16.1.25
Type escape sequence to abort.
Tracing the route to 172.16.1.25

  1   192.168.1.1     3 msec    2 msec    6 msec   
  2   172.16.1.25     10 msec   10 msec   13 msec  
Router#sh ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
       i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
       * - candidate default, U - per-user static route, o - ODR
       P - periodic downloaded static route

Gateway of last resort is not set

     172.16.0.0/22 is subnetted, 1 subnets
S       172.16.0.0 is directly connected, Serial2/0
C    192.168.1.0/24 is directly connected, Serial2/0
C    192.168.2.0/24 is directly connected, FastEthernet0/0
Router#sh int brief
              ^
% Invalid input detected at '^' marker.
               
Router#sh ip int brief
Interface              IP-Address      OK? Method Status                Protocol

FastEthernet0/0        192.168.2.1     YES manual up                    up

FastEthernet1/0        unassigned      YES unset  administratively down down

Serial2/0              192.168.1.2     YES manual up                    up

Serial3/0              unassigned      YES unset  administratively down down

FastEthernet4/0        unassigned      YES unset  administratively down down

FastEthernet5/0        unassigned      YES unset  administratively down down
Router#sh cdp neighbors detail

Device ID: Switch
Entry address(es):
Platform: cisco 2950, Capabilities: Switch
Interface: FastEthernet0/0, Port ID (outgoing port): FastEthernet0/2
Holdtime: 147

Version :
Cisco Internetwork Operating System Software
IOS (tm) C2950 Software (C2950-I6Q4L2-M), Version 12.1(22)EA4, RELEASE SOFTWARE(fc1)
Copyright (c) 1986-2005 by cisco Systems, Inc.
Compiled Wed 18-May-05 22:31 by jharirba

advertisement version: 2
Duplex: full
---------------------------

Device ID: Router
Entry address(es):
  IP address : 192.168.1.1
Platform: cisco PT1000, Capabilities: Router
Interface: Serial2/0, Port ID (outgoing port): Serial3/0
Holdtime: 130

Version :
Cisco Internetwork Operating System Software
IOS (tm) PT1000 Software (PT1000-I-M), Version 12.2(28), RELEASE SOFTWARE (fc5)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2005 by cisco Systems, Inc.
Compiled Wed 27-Apr-04 19:01 by miwang

advertisement version: 2
Duplex: full

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