ISIS configuration and show commands

May 6, 2007 at 6:33 pm | Posted in Blogroll | 1 Comment

PE1#sh run
!
!        
interface Loopback0
 ip address 165.87.1.1 255.255.255.255
!
interface FastEthernet0/0
 ip address 50.50.50.2 255.255.255.0
 ip router isis
 speed 10
 full-duplex
!
!
interface Serial0/1
 ip address 32.29.1.1 255.255.255.252
 ip router isis
!
!
interface Serial0/3
 ip address 32.29.1.10 255.255.255.252
 ip router isis
!        
router isis
 net 00.0001.000b.5f76.7280.00
 is-type level-2-only
!        
!
end

PE1#sh ip route
Codes: C – connected, S – static, 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
       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

     50.0.0.0/24 is subnetted, 1 subnets
C       50.50.50.0 is directly connected, FastEthernet0/0
     32.0.0.0/30 is subnetted, 5 subnets
C       32.29.1.24 is directly connected, Serial0/0
i L2    32.29.1.20 [115/30] via 50.50.50.3, FastEthernet0/0
                   [115/30] via 32.29.1.9, Serial0/3
i L2    32.29.1.12 [115/20] via 50.50.50.3, FastEthernet0/0
                   [115/20] via 32.29.1.9, Serial0/3
C       32.29.1.8 is directly connected, Serial0/3
C       32.29.1.0 is directly connected, Serial0/1
     165.87.0.0/32 is subnetted, 1 subnets
C       165.87.1.1 is directly connected, Loopback0
PE1#sh isis da
PE1#sh isis database

IS-IS Level-2 Link State Database:
LSPID                 LSP Seq Num  LSP Checksum  LSP Holdtime      ATT/P/OL
P1.00-00              0x00000116   0x6312        890               0/0/0
PE1.00-00           * 0x00000111   0xB381        437               0/0/0
PE1.01-00           * 0x00000097   0x9CFF        744               0/0/0
PE1#sh isis nei
PE1#sh isis neighbors

System Id      Type Interface IP Address      State Holdtime Circuit Id
P1             L2   Fa0/0     50.50.50.3      UP    29       PE1.01            
P1             L2   Se0/3     32.29.1.9       UP    24       00
PE1#sh isis topo
IS-IS paths to level-2 routers
System Id            Metric     Next-Hop             Interface   SNPA
P1                   10         P1                   Se0/3       *HDLC*        
                                P1                   Fa0/0       000b.5f63.1620
PE1                  —
P1#sh run
!        
interface Loopback0
 ip address 165.87.1.2 255.255.255.255
!
interface FastEthernet0/0
 ip address 50.50.50.3 255.255.255.0
 ip router isis
 speed 10
 full-duplex
!
interface Serial0/0
 ip address 32.29.1.9 255.255.255.252
 ip router isis
 clock rate 2000000
!
interface Serial0/1
 ip address 32.29.1.13 255.255.255.252
 ip router isis
 clock rate 2000000
!        
router isis
 net 00.0002.000b.5f63.1620.00
!
!
end

P1#sh isis nei

System Id      Type Interface IP Address      State Holdtime Circuit Id
PE2            L1   Fa0/0     50.50.50.1      UP    7        PE2.01            
PE2            L1   Se0/1     32.29.1.14      UP    22       00
PE1            L2   Fa0/0     50.50.50.2      UP    8        PE1.01            
PE1            L2   Se0/0     32.29.1.10      UP    27       01
P1#sh isis data

IS-IS Level-1 Link State Database:
LSPID                 LSP Seq Num  LSP Checksum  LSP Holdtime      ATT/P/OL
P1.00-00            * 0x00000117   0x8356        845               1/0/0
PE2.00-00             0x00000116   0x7837        1157              0/0/0
PE2.01-00             0x0000009B   0x335B        651               0/0/0
R5.00-00              0x00000106   0xD4E6        781               0/0/0
IS-IS Level-2 Link State Database:
LSPID                 LSP Seq Num  LSP Checksum  LSP Holdtime      ATT/P/OL
P1.00-00            * 0x00000116   0x6312        718               0/0/0
PE1.00-00             0x00000112   0xB182        1149              0/0/0
PE1.01-00             0x00000097   0x9CFF        568               0/0/0
P1#sh isis topo

IS-IS paths to level-1 routers
System Id            Metric     Next-Hop             Interface   SNPA
P1                   —
PE2                  10         PE2                  Se0/1       *HDLC*        
                                PE2                  Fa0/0       0014.f27f.ae60
R5                   20         PE2                  Se0/1       *HDLC*        
                                PE2                  Fa0/0       0014.f27f.ae60

IS-IS paths to level-2 routers
System Id            Metric     Next-Hop             Interface   SNPA
P1                   —
PE1                  10         PE1                  Se0/0       *HDLC*        
                                PE1                  Fa0/0       000b.5f76.7280

P1#sh ip route
Codes: C – connected, S – static, 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
       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

     50.0.0.0/24 is subnetted, 1 subnets
C       50.50.50.0 is directly connected, FastEthernet0/0
     32.0.0.0/30 is subnetted, 4 subnets
i L1    32.29.1.20 [115/20] via 50.50.50.1, FastEthernet0/0
                   [115/20] via 32.29.1.14, Serial0/1
C       32.29.1.12 is directly connected, Serial0/1
C       32.29.1.8 is directly connected, Serial0/0
i L2    32.29.1.0 [115/20] via 50.50.50.2, FastEthernet0/0
                  [115/20] via 32.29.1.10, Serial0/0
     165.87.0.0/32 is subnetted, 1 subnets
C       165.87.1.2 is directly connected, Loopback0

PE2#sh run
!        
interface Loopback0
 ip address 165.87.1.3 255.255.255.255
!
interface FastEthernet0/0
 ip address 50.50.50.1 255.255.255.0
 ip router isis
 speed 10
 full-duplex
 isis priority 120
!
!
interface Serial0/1
 ip address 32.29.1.21 255.255.255.252
 ip router isis
!
!
interface Serial0/3
 ip address 32.29.1.14 255.255.255.252
 ip router isis
 isis metric 1
!
!
router isis
 net 00.0002.0014.f27f.ae60.00
 is-type level-1
 redistribute connected
!
end

PE2#sh isis nei

System Id      Type Interface IP Address      State Holdtime Circuit Id
P1             L1   Fa0/0     50.50.50.3      UP    26       PE2.01            
P1             L1   Se0/3     32.29.1.13      UP    24       01
R5             L1   Se0/1     32.29.1.22      UP    29       00
PE2#sh isis data

IS-IS Level-1 Link State Database:
LSPID                 LSP Seq Num  LSP Checksum  LSP Holdtime      ATT/P/OL
P1.00-00              0x00000117   0x8356        661               1/0/0
PE2.00-00           * 0x00000116   0x7837        977               0/0/0
PE2.01-00           * 0x0000009B   0x335B        472               0/0/0
R5.00-00              0x00000106   0xD4E6        602               0/0/0
PE2#sh isis topo

IS-IS paths to level-1 routers
System Id            Metric     Next-Hop             Interface   SNPA
P1                   1          P1                   Se0/3       *HDLC*        
PE2                  —
R5                   10         R5                   Se0/1       *HDLC* 

R5#sh run
interface Loopback0
 ip address 32.34.1.3 255.255.255.255
!
!
interface Serial1
 ip address 32.29.1.22 255.255.255.252
 ip router isis
 clockrate 56000
 no cdp enable
!
!
router isis
 net 00.0002.00e0.1e67.f6fe.00
 is-type level-1
!
ip classless
!
end
R5#sh clns neighbors

System Id      Interface   SNPA                State  Holdtime  Type Protocol
PE2            Se1         *HDLC*              Up     27        L1   IS-IS
R5#sh isis database

IS-IS Level-1 Link State Database:
LSPID                 LSP Seq Num  LSP Checksum  LSP Holdtime      ATT/P/OL
P1.00-00              0x00000117   0x8356        438               1/0/0
PE2.00-00             0x00000116   0x7837        754               0/0/0
PE2.01-00             0x0000009C   0x315C        991               0/0/0
R5.00-00            * 0x00000106   0xD4E6        383               0/0/0
R5#sh isis topo

IS-IS paths to level-1 routers
System Id             Metric  Next-Hop              Interface   SNPA
P1                    11      PE2                   Se1         *HDLC*         
PE2                   10      PE2                   Se1         *HDLC*         
R5                    —
R5#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 32.29.1.21 to network 0.0.0.0

     50.0.0.0/24 is subnetted, 1 subnets
i L1    50.50.50.0 [115/20] via 32.29.1.21, Serial1
     32.0.0.0/8 is variably subnetted, 4 subnets, 2 masks
C       32.34.1.3/32 is directly connected, Loopback0
C       32.29.1.20/30 is directly connected, Serial1
i L1    32.29.1.12/30 [115/11] via 32.29.1.21, Serial1
i L1    32.29.1.8/30 [115/21] via 32.29.1.21, Serial1
i*L1 0.0.0.0/0 [115/11] via 32.29.1.21, Serial1

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1 Comment »

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  1. I cannot run the command “show isis nei” !!!
    I have to complete by one of the following:

    database IS-IS link state database
    hostname IS-IS Dynamic hostname mapping
    lsp-log IS-IS LSP log
    mesh-groups IS-IS mesh groups
    mpls IS-IS MPLS
    route IS-IS level-1 routing table
    spf-log IS-IS SPF log
    topology IS-IS paths to Intermediate Systems

    Is it an IOS failure !?

    Regards,


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