ccnp route ospf case study

Ccnp route ospf case study


1. Configurations

HQ#sh run Building configuration...

Current configuration : 1634 bytes

!

version 12.3

service timestamps debug datetime msec

service timestamps log datetime msec

no service password-encryption

!

hostname HQ

!

boot-start-marker

boot-end-marker

!

!

no aaa new-model

ip subnet-zero


no ip icmp rate-limit unreachable

!

!

ip tcp synwait-time 5

!

!

no ip domain lookup

ip ssh break-string

ip audit notify log

ip audit po max-events 100

no ftp-server write-enable

!

!

!

!

!

!

!

!

!

!

!

!

!

!

!

no crypto isakmp enable

!

!

!

!

!

interface Loopback1

ip address 10.1.1.9 255.255.255.252

!

interface FastEthernet0/0

no ip address

shutdown

duplex auto

speed auto

!

interface Serial0/0

no ip address


encapsulation frame-relay

clockrate 64000

!

interface Serial0/0.102 point-to-point

ip address 10.1.1.1 255.255.255.252

frame-relay interface-dlci 102

!


ip address 10.1.1.5 255.255.255.252


!


no ip address

shutdown

duplex auto

speed auto

!

interface Serial0/1

no ip address

shutdown

clockrate 2000000

!

interface Serial0/2

no ip address

shutdown

clockrate 2000000

!

interface Serial0/3

no ip address

shutdown

clockrate 2000000

!

router ospf 1

log-adjacency-changes

area 100 virtual-link 10.1.1.113

area 300 nssa

network 10.1.1.0 0.0.0.3 area 100

network 10.1.1.4 0.0.0.3 area 300

network 10.1.1.8 0.0.0.3 area 0

!

ip classless

!

no ip http server


no ip http secure-server

!

!

!

!

!

!

control-plane

!

!

!

!

!

!

!

!

!

line con 0

exec-timeout 0 0

privilege level 15

logging synchronous

line aux 0

exec-timeout 0 0

privilege level 15

logging synchronous

line vty 0 4

login

!

!

end

FR#sh run Building configuration...


!

version 12.3




!

hostname FR


!

boot-start-marker

boot-end-marker

!

!

no aaa new-model

ip subnet-zero


!

!


!

!

no ip domain lookup

ip ssh break-string

ip audit notify log


frame-relay switching


!

!

!

!

!

!

!

!

!

!

!

!

!

!

!


!

!

!

!

!


no ip address

shutdown


duplex auto

speed auto

!

interface Serial0/0

no ip address


clockrate 64000

frame-relay intf-type dce

frame-relay route 102 interface Serial0/1 201


!


no ip address

shutdown

duplex auto

speed auto

!

interface Serial0/1

no ip address


clockrate 64000



!

interface Serial0/2

no ip address


clockrate 64000



!

interface Serial0/3

no ip address

shutdown

clockrate 2000000

!

ip classless

!

no ip http server


!

!

!


!

!

!

control-plane

!

!

!

!

!

!

!

!

!

line con 0

exec-timeout 0 0

privilege level 15

logging synchronous

line aux 0

exec-timeout 0 0

privilege level 15

logging synchronous

line vty 0 4

login

!

!

end

EAST#sh run Building configuration...


!

version 12.3




!

hostname EAST

!

boot-start-marker

boot-end-marker


!

!

no aaa new-model

ip subnet-zero


!

!


!

!

no ip domain lookup

ip ssh break-string

ip audit notify log



!

!

!

!

!

!

!

!

!

!

!

!

!

!

!


!

!

!

!

!

interface Loopback101

ip address 10.1.1.101 255.255.255.252

!


ip address 10.1.1.105 255.255.255.252

!



ip address 10.1.1.109 255.255.255.252

!


ip address 10.1.1.113 255.255.255.252

!


no ip address

shutdown

duplex auto

speed auto

!

interface Serial0/0

no ip address

shutdown

clockrate 2000000

!


no ip address

shutdown

duplex auto

speed auto

!

interface Serial0/1

no ip address


clockrate 64000

!


ip address 10.1.1.2 255.255.255.252


!

interface Serial0/2

no ip address

shutdown

clockrate 2000000

!

interface Serial0/3

no ip address

shutdown

clockrate 2000000

!

router ospf 1



area 100 virtual-link 10.1.1.9

area 200 range 10.1.1.96 255.255.255.240

redistribute connected

network 10.1.1.0 0.0.0.3 area 100

network 10.1.1.100 0.0.0.3 area 200

network 10.1.1.104 0.0.0.3 area 200

network 10.1.1.108 0.0.0.3 area 200

network 10.1.1.112 0.0.0.3 area 200

!

ip classless

!

no ip http server


!

!

!

!

!

!

control-plane

!

!

!

!

!

!

!

!

!

line con 0

exec-timeout 0 0

privilege level 15

logging synchronous

line aux 0

exec-timeout 0 0

privilege level 15

logging synchronous

line vty 0 4

login

!

!

end


WEST#sh run Building configuration...


!

version 12.3




!

hostname WEST

!

boot-start-marker

boot-end-marker

!

!

no aaa new-model

ip subnet-zero

!

!

!

!

no ip domain lookup

ip ssh break-string

ip audit notify log



!

!

!

!

!

!

!

!

!

!

!

!

!

!

!



!

!

!

!

!

interface Loopback3

ip address 10.1.1.13 255.255.255.252

!


no ip address

shutdown

duplex auto

speed auto

!

interface Serial0/0

no ip address

shutdown

clockrate 2000000

!


no ip address

shutdown

duplex auto

speed auto

!

interface Serial0/1

no ip address

shutdown

clockrate 2000000

!

interface Serial0/2

no ip address


clockrate 64000

!


ip address 10.1.1.6 255.255.255.252


!

interface Serial0/3

no ip address

shutdown


clockrate 2000000

!

router ospf 1


area 300 nssa

network 10.1.1.4 0.0.0.3 area 300

!

ip classless

!

ip http server


!

!

!

!

!

!

control-plane

!

!

!

!

!

!

!

!

!

line con 0

line aux 0

line vty 0 4

login

!

!

end

2. Routing Tables

HQ#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

10.0.0.0/8 is variably subnetted, 5 subnets, 3 masks

C 10.1.1.8/30 is directly connected, Loopback1

C 10.1.1.0/30 is directly connected, Serial0/0.102


O IA 10.1.1.96/28 [110/65] via 10.1.1.2, 00:00:39, Serial0/0.102

O IA 10.1.1.113/32 [110/65] via 10.1.1.2, 00:00:39, Serial0/0.102

EAST#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP









O 10.1.1.9/32 [110/65] via 10.1.1.1, 00:05:33, Serial0/1.201


O IA 10.1.1.4/30 [110/128] via 10.1.1.1, 00:05:33, Serial0/1.201



O 10.1.1.96/28 is a summary, 00:05:43, Null0



WEST#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP










O IA 10.1.1.9/32 [110/65] via 10.1.1.5, 00:05:51, Serial0/2.301


O IA 10.1.1.0/30 [110/128] via 10.1.1.5, 00:05:51, Serial0/2.301


O IA 10.1.1.96/28 [110/129] via 10.1.1.5, 00:05:32, Serial0/2.301

O IA 10.1.1.113/32 [110/129] via 10.1.1.5, 00:05:32, Serial0/2.301

3. OSPF Neighbors

HQ#sh ip ospf neighbor

Neighbor ID Pri State Dead Time Address Interface

10.1.1.113 0 FULL/ - - 10.1.1.2 OSPF_VL0

10.1.1.113 0 FULL/ - 00:00:35 10.1.1.2 Serial0/0.102

10.1.1.13 0 FULL/ - 00:00:30 10.1.1.6 Serial0/0.103

EAST#sh ip ospf neighbor


10.1.1.9 0 FULL/ - - 10.1.1.1 OSPF_VL0

10.1.1.9 0 FULL/ - 00:00:38 10.1.1.1 Serial0/1.201

WEST#sh ip ospf neighbor


10.1.1.9 0 FULL/ - 00:00:31 10.1.1.5 Serial0/2.301

4. OSPF Database

HQ#sh ip ospf database


OSPF Router with ID (10.1.1.9) (Process ID 1)

Router Link States (Area 0)

Link ID ADV Router Age Seq# Checksum Link count

10.1.1.9 10.1.1.9 554 0x80000004 0x000809 2

10.1.1.113 10.1.1.113 5 (DNA) 0x80000003 0x00BC12 1

Summary Net Link States (Area 0)

Link ID ADV Router Age Seq# Checksum

10.1.1.0 10.1.1.9 609 0x80000001 0x00C01E

10.1.1.0 10.1.1.113 11 (DNA) 0x80000001 0x004E28

10.1.1.4 10.1.1.9 609 0x80000001 0x009842

10.1.1.96 10.1.1.113 11 (DNA) 0x80000001 0x00C997

10.1.1.113 10.1.1.113 11 (DNA) 0x80000001 0x0079C7

Summary ASB Link States (Area 0)


10.1.1.9 10.1.1.113 11 (DNA) 0x80000001 0x00F771

10.1.1.113 10.1.1.9 589 0x80000001 0x005613



10.1.1.9 10.1.1.9 593 0x80000004 0x00AA36 2

10.1.1.113 10.1.1.113 570 0x80000005 0x001C5A 2



10.1.1.4 10.1.1.9 611 0x80000001 0x009842

10.1.1.4 10.1.1.113 551 0x80000001 0x00A889

10.1.1.9 10.1.1.9 616 0x80000001 0x00FF12

10.1.1.9 10.1.1.113 551 0x80000001 0x001059

10.1.1.96 10.1.1.9 544 0x80000001 0x00BECA

10.1.1.96 10.1.1.113 571 0x80000001 0x00C997

10.1.1.113 10.1.1.9 544 0x80000001 0x006EFA

10.1.1.113 10.1.1.113 571 0x80000001 0x0079C7

Summary ASB Link States (Area 100)



10.1.1.9 10.1.1.113 551 0x80000001 0x00F771

10.1.1.113 10.1.1.9 545 0x80000001 0x005613



10.1.1.9 10.1.1.9 599 0x80000004 0x00F442 2

10.1.1.13 10.1.1.13 599 0x80000004 0x0091A3 2



10.1.1.0 10.1.1.9 615 0x80000001 0x006672

10.1.1.9 10.1.1.9 621 0x80000001 0x00A566

10.1.1.96 10.1.1.9 548 0x80000001 0x00641F

10.1.1.113 10.1.1.9 548 0x80000001 0x00144F

HQ#sh ip ospf border-routers

OSPF Process 1 internal Routing Table

Codes: i - Intra-area route, I - Inter-area route

i 10.1.1.113 [64] via 10.1.1.2, Serial0/0.102, ABR/ASBR, Area 0, SPF 8


EAST#sh ip ospf border-routers





WEST#sh ip ospf border-routers





HQ#sh ip ospf virtual-links Virtual Link OSPF_VL0 to router 10.1.1.113 is up

Run as demand circuit

DoNotAge LSA allowed.

Transit area 100, via interface Serial0/0.102, Cost of using 64

Transmit Delay is 1 sec, State POINT_TO_POINT,

Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5

Hello due in 00:00:07

Adjacency State FULL (Hello suppressed)

Index 1/3, retransmission queue length 0, number of retransmission 1

First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0)

Last retransmission scan length is 1, maximum is 1

Last retransmission scan time is 0 msec, maximum is 0 msec

EAST#sh ip ospf virtual-links Virtual Link OSPF_VL0 to router 10.1.1.9 is up

Run as demand circuit

DoNotAge LSA allowed.

Transit area 100, via interface Serial0/1.201, Cost of using 64

Transmit Delay is 1 sec, State POINT_TO_POINT,

Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5

Hello due in 00:00:05

Adjacency State FULL (Hello suppressed)

Index 1/2, retransmission queue length 0, number of retransmission 1

First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0)

Last retransmission scan length is 1, maximum is 1

Last retransmission scan time is 4 msec, maximum is 4 msec

HQ#sh ip ospf Routing Process "ospf 1" with ID 10.1.1.9

Supports only single TOS(TOS0) routes

Supports opaque LSA

Supports Link-local Signaling (LLS)

It is an area border and autonomous system boundary router

Redistributing External Routes from,

Initial SPF schedule delay 5000 msecs

Minimum hold time between two consecutive SPFs 10000 msecs

Maximum wait time between two consecutive SPFs 10000 msecs

Incremental-SPF disabled

Minimum LSA interval 5 secs

Minimum LSA arrival 1000 msecs


LSA group pacing timer 240 secs

Interface flood pacing timer 33 msecs

Retransmission pacing timer 66 msecs

Number of external LSA 0. Checksum Sum 0x000000

Number of opaque AS LSA 0. Checksum Sum 0x000000

Number of DCbitless external and opaque AS LSA 0

Number of DoNotAge external and opaque AS LSA 0

Number of areas in this router is 3. 2 normal 0 stub 1 nssa

External flood list length 0

Area BACKBONE(0)

Number of interfaces in this area is 2 (1 loopback)

Area has no authentication

SPF algorithm last executed 00:00:28.072 ago

SPF algorithm executed 7 times

Area ranges are

Number of LSA 9. Checksum Sum 0x04FB85

Number of opaque link LSA 0. Checksum Sum 0x000000

Number of DCbitless LSA 0

Number of indication LSA 0

Number of DoNotAge LSA 5

Flood list length 0

Area 100

Number of interfaces in this area is 1




Area ranges are

Number of LSA 12. Checksum Sum 0x06D56C





Flood list length 0

Area 300

Number of interfaces in this area is 1

It is a NSSA area

Perform type-7/type-5 LSA translation




Area ranges are

Number of LSA 6. Checksum Sum 0x030A2B






Flood list length 0

5. Connectivity Testing

HQ(tcl)#$1.5 10.1.1.6 10.1.1.13 10.1.1.101 10.1.1.105 10.1.1.109 10.1.1.113

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 10.1.1.9, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 4/4/8 ms



!!!!!




!!!!!




!!!!!




!!!!!


Type escape sequence to abort. (Loopback interface on West. Out of ospf)


.....

Success rate is 0 percent (0/5)



!!!!!





!!!!!




!!!!!




!!!!!


EAST(tcl)#$1.101 10.1.1.105 10.1.1.109 10.1.1.113 10.1.1.5 10.1.1.6 10.1.1.13



!!!!!




!!!!!




!!!!!




!!!!!




!!!!!





!!!!!




!!!!!




!!!!!




!!!!!




.....

Success rate is 0 percent (0/5)

WEST(tcl)#$1.101 10.1.1.105 10.1.1.109 10.1.1.113 10.1.1.5 10.1.1.6 10.1.1.13



!!!!!




!!!!!




!!!!!





!!!!!




!!!!!




!!!!!




!!!!!




!!!!!




!!!!!




!!!!!


ccnp route ospf case study

Documents

ip classless

interface loopback1

pointtopoint ip address

ip address shutdown

interface serial00

ip icmp rate

framerelay interfacedlci

interface serial01