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771sanjose3 [2009/09/13 14:37] (current)
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 +===With the ''show version'' command the IOS version information and router information are shown===
 +<code>
 +SanJose3#sh version
 +Cisco Internetwork Operating System Software
 +IOS (tm) C2600 Software (C2600-JS-M), Version 12.2(32), RELEASE SOFTWARE (fc1)
 +Copyright (c) 1986-2005 by cisco Systems, Inc.
 +Compiled Fri 02-Dec-05 22:15 by
 +Image text-base: 0x8000808C, data-base: 0x8147134C
 +
 +ROM: System Bootstrap, Version 12.2(8r) [cmong 8r], RELEASE SOFTWARE (fc1)
 +
 +SanJose3 uptime is 4 hours, 52 minutes
 +System returned to ROM by power-on
 +System image file is "flash:c2600-js-mz.122-32.bin"
 +
 +cisco 2620XM (MPC860P) processor (revision 0x200) with 94208K/4096K bytes of mem
 +ory.
 +Processor board ID JAE08072CH4 (1726302922)
 +M860 processor: part number 5, mask 2
 +Bridging software.
 +X.25 software, Version 3.0.0.
 +SuperLAT software (copyright 1990 by Meridian Technology Corp).
 +TN3270 Emulation software.
 +1 FastEthernet/IEEE 802.3 interface(s)
 +1 Serial network interface(s)
 +2 Serial(sync/async) network interface(s)
 +32K bytes of non-volatile configuration memory.
 +32768K bytes of processor board System flash (Read/Write)
 +
 +Configuration register is 0x2102
 +</code>
 +
 +===With the ''show running-config''command you can display your current router configuration:===
 +
 +<code>
 +SanJose3#sh run
 +Building configuration...
 +
 +Current configuration : 748 bytes
 +!
 +version 12.2
 +service timestamps debug uptime
 +service timestamps log uptime
 +service password-encryption
 +!
 +hostname SanJose3
 +!
 +enable secret 5 $1$hO93$3ZcyG4qiLEGGC1ENAJ8EY.
 +!
 +ip subnet-zero
 +!
 +!
 +!
 +clns routing
 +call rsvp-sync
 +!
 +!
 +!
 +!
 +!
 +!
 +!
 +!
 +interface Loopback0
 + ip address 192.168.30.1 255.255.255.0
 + ip router isis
 +!
 +interface FastEthernet0/0
 + ip address 172.16.0.3 255.255.255.0
 + ip router isis
 + duplex auto
 + speed auto
 +!
 +interface Serial0/0
 + no ip address
 + shutdown
 +!
 +interface Serial0/1
 + no ip address
 + shutdown
 +!
 +interface Serial0/2
 + no ip address
 + shutdown
 +!
 +router isis
 + net 49.0001.3333.3333.3333.00
 +!
 +ip classless
 +ip http server
 +!
 +!
 +!
 +dial-peer cor custom
 +!
 +!
 +!
 +!
 +line con 0
 +line aux 0
 +line vty 0 4
 + password 7 030D480215
 + login
 +!
 +end
 +</code>
 +
 +===show & debugging commands:===
 +
 +== With the ''show clns neighbors'' command you can verify the adjacencies you have. In this output you can see that router RT1 is a neighbor to router RT2 ==
 +
 +<code>
 +SanJose3#sh clns neighbors
 +
 +System Id      Interface  SNPA                State  Holdtime  Type Protocol
 +SanJose1      Fa0/0      0013.c4a6.a7e0      Up    8        L1L2 IS-IS
 +SanJose2      Fa0/0      000f.341c.9160      Up    27        L1L2 IS-IS
 +</code>
 +
 +== With the ''show clns protocol'' command you can verify the system ID, the area address and the IS type ==
 +
 +<code>
 +SanJose3#sh clns protocol
 +
 +IS-IS Router: <Null Tag>
 +  System Id: 3333.3333.3333.00  IS-Type: level-1-2
 +  Manual area address(es):
 +        49.0001
 +  Routing for area address(es):
 +        49.0001
 +  Interfaces supported by IS-IS:
 +        FastEthernet0/0 - IP
 +        Loopback0 - IP
 +  Redistribute:
 +    static (on by default)
 +  Distance for L2 CLNS routes: 110
 +  RRR level: none
 +  Generate narrow metrics: level-1-2
 +  Accept narrow metrics:  level-1-2
 +  Generate wide metrics:  none
 +  Accept wide metrics:    none
 +</code>
 +
 +== With the ''show isis database'' command you can display the different Link State Packet entries in the IS-IS database ==
 +
 +<code>
 +SanJose3#sh isis database
 +
 +IS-IS Level-1 Link State Database:
 +LSPID                LSP Seq Num  LSP Checksum  LSP Holdtime      ATT/P/OL
 +SanJose1.00-00        0x0000001C  0x4F32        1017              0/0/0
 +SanJose1.02-00        0x00000018  0x687C        933              0/0/0
 +SanJose2.00-00        0x00000018  0x0BFE        883              0/0/0
 +SanJose3.00-00      * 0x00000018  0xBECF        462              0/0/0
 +IS-IS Level-2 Link State Database:
 +LSPID                LSP Seq Num  LSP Checksum  LSP Holdtime      ATT/P/OL
 +SanJose1.00-00        0x0000001D  0xA88F        872              0/0/0
 +SanJose1.02-00        0x00000018  0x1A53        837              0/0/0
 +SanJose2.00-00        0x00000019  0x9B2F        695              0/0/0
 +SanJose3.00-00      * 0x0000001A  0xDE79        856              0/0/0
 +</code>
 +
 +== The ''show isis topology'' shows the metric value, the level hierarchy and where the Next-hop router is. The serial encapsulation protocol is HDLC ==
 +
 +<code>
 +
 +SanJose3#sh isis topology
 +
 +IS-IS paths to level-1 routers
 +System Id            Metric  Next-Hop              Interface  SNPA
 +SanJose1              10      SanJose1              Fa0/0      0013.c4a6.a7e0
 +
 +SanJose2              10      SanJose2              Fa0/0      000f.341c.9160
 +
 +SanJose3              --
 +
 +IS-IS paths to level-2 routers
 +System Id            Metric  Next-Hop              Interface  SNPA
 +SanJose1              10      SanJose1              Fa0/0      0013.c4a6.a7e0
 +
 +SanJose2              10      SanJose2              Fa0/0      000f.341c.9160
 +
 +SanJose3              --
 +</code>
 +
 +<code>
 +SanJose3#sh clns route
 +Codes: C - connected, S - static, d - DecnetIV
 +      I - ISO-IGRP,  i - IS-IS,  e - ES-IS
 +
 +C  49.0001.3333.3333.3333.00 [1/0], Local IS-IS NET
 +C  49.0001 [2/0], Local IS-IS Area
 +</code>
 +
 +<code>
 +SanJose3#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, su - IS-IS summary, 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
 +
 +C    192.168.30.0/24 is directly connected, Loopback0
 +i L1 192.168.10.0/24 [115/20] via 172.16.0.1, FastEthernet0/0
 +    172.16.0.0/24 is subnetted, 1 subnets
 +C      172.16.0.0 is directly connected, FastEthernet0/0
 +i L1 192.168.20.0/24 [115/20] via 172.16.0.2, FastEthernet0/0
 +</code>
 +
 +<code>
 +SanJose3#sh clns interface
 +FastEthernet0/0 is up, line protocol is up
 +  Checksums enabled, MTU 1497, Encapsulation SAP
 +  ERPDUs enabled, min. interval 10 msec.
 +  RDPDUs enabled, min. interval 100 msec., Addr Mask enabled
 +  Congestion Experienced bit set at 4 packets
 +  CLNS fast switching enabled
 +  CLNS SSE switching disabled
 +  DEC compatibility mode OFF for this interface
 +  Next ESH/ISH in 19 seconds
 +  Routing Protocol: IS-IS
 +    Circuit Type: level-1-2
 +    Interface number 0x1, local circuit ID 0x2
 +    Level-1 Metric: 10, Priority: 64, Circuit ID: SanJose1.02
 +    Number of active level-1 adjacencies: 2
 +    Level-2 Metric: 10, Priority: 64, Circuit ID: SanJose1.02
 +    Number of active level-2 adjacencies: 2
 +    Next IS-IS LAN Level-1 Hello in 1 seconds
 +    Next IS-IS LAN Level-2 Hello in 5 seconds
 +Serial0/0 is administratively down, line protocol is down
 +  CLNS protocol processing disabled
 +Serial0/1 is administratively down, line protocol is down
 +  CLNS protocol processing disabled
 +Serial0/2 is administratively down, line protocol is down
 +  CLNS protocol processing disabled
 +Loopback0 is up, line protocol is up
 +  Checksums enabled, MTU 1514, Encapsulation LOOPBACK
 +  ERPDUs enabled, min. interval 10 msec.
 +  RDPDUs enabled, min. interval 100 msec., Addr Mask enabled
 +  Congestion Experienced bit set at 4 packets
 +  CLNS fast switching disabled
 +  CLNS SSE switching disabled
 +  DEC compatibility mode OFF for this interface
 +  Next ESH/ISH in 6 seconds
 +  Routing Protocol: IS-IS
 +    Circuit Type: level-1-2
 +    Interface number 0x0, local circuit ID 0x1
 +    Level-1 Metric: 10, Priority: 64, Circuit ID: SanJose3.01
 +    Number of active level-1 adjacencies: 0
 +    Level-2 Metric: 10, Priority: 64, Circuit ID: SanJose3.01
 +    Number of active level-2 adjacencies: 0
 +    Next IS-IS LAN Level-1 Hello in 3 seconds
 +    Next IS-IS LAN Level-2 Hello in 8 seconds
 +</code>
 +
 +
 +[[771sanjose3_part2|Exercise part 2 - level changing]]
 
771sanjose3.txt · Last modified: 2009/09/13 14:37 (external edit)
 
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