.
.
.
.
Local and Wide Area Networks Laboratory 7 Open Shortest Path First (OSPF) 1. 2.
Router OSPF
1 1.1
OSPF
Area 1
1 1.2
Pc X, Pc Y Host Pc X Pc Y Pc Z
*
1.3
IP address 172.[x].0.__ 172.[x].2.__ 192.168.[z].__
PC
Subnet Mask 255.255.254.0 255.255.255.128 255.255.255.0
First Usable Host Address
startup-config
Pc Z
Default Gateway 172.[x].___.___ 172.[x].2.___ 192.168.[z].___
Default Gateway Last Usable Host Address
startup-config
Router>enable Router#erase startup-config Router#reload
1 January 2013
1/6
Local & Wide Area Networks Laboratory
.
1.4
.
Interface type
.
.
Serial
1.5
Router#show controllers Serial 0/0 | Serial 0 | Serial 0/0/0 Router#show controllers Serial 0/1 | Serial 1 | Serial 0/0/1
1.5 Router name Udon
Bangkok Phuket
1.6
Interface Loopback0 S0/1 Fa0/0 S0/0 S0/1 Fa0/0 S0/0 S0/1 Fa0/0 S0/0
ping
1.7
Interface Type -
Pc X
Network ID 10.[x].[x].0/30 192.168.[y].8/30 172.[x].0.0/23 172.[x].2.128/30 172.[x].2.128/30 172.[x].2.0/25 192.168.[y].4/30 192.168.[y].4/30 192.168.[z].0/24 192.168.[y].8/30
10.[x].[x].1
10.[x].[x].1 192.168.[y].10 172.[x].___.___ 172.[x].2.129 172.[x].2.130 172.[x].2.___ 192.168.[y].5 192.168.[y].6 192.168.[z].___ 192.168.[y].9
show interface loopback 0
Serial
FastEthernet0/0
IP address
ping
Serial0/0
Serial
Serial0/1
Udon Bangkok Phuket 1 January 2013
2/6
Local & Wide Area Networks Laboratory
.
1.8
Routing protocol Udon(config)# router Udon(config-router)# Udon(config-router)# Udon(config-router)# Udon(config-router)# Udon(config-router)# Udon(config-router)# Udon(config)# exit
1.9
Routing protocol
.
.
Udon ospf [x] network 10.[x].[x].0 0.0.0.3 area 0 network 172.[x].0.0 0.0.1.255 area 0 network 172.[x].2.128 0.0.0.3 area 0 network 192.168.[y].8 0.0.0.3 area 0 log-adjacency-changes exit
Bangkok
Bangkok(config)# router ospf [y] Bangkok(config-router)# network 172.[x].2.0 0.0.0.127 area 0 Bangkok(config-router)# network 172.[x].2.128 0.0.0.3 area 0 Bangkok(config-router)# network 192.168.[y].4 0.0.0.3 area 0 Bangkok(config-router)# log-adjacency-changes Bangkok(config-router)# exit Bangkok(config)# exit
1.10
Routing protocol
Phuket
Phuket(config)# router ospf [z] Phuket(config-router)# network 192.168.[y].4 0.0.0.3 area 0 Phuket(config-router)# network 192.168.[y].8 0.0.0.3 area 0 Phuket(config-router)# network 192.168.[z].0 0.0.0.255 area 0 Phuket(config-router)# log-adjacency-changes Phuket(config-router)# exit Phuket(config)# exit
1.11
show ip route IP address Interface
1 January 2013
3/6
Local & Wide Area Networks Laboratory
.
.
1.12
ping
.
Pc
1.13
show ip eigrp interface
1.14
show ip ospf neighbor
1.15
show ip ospf neighbor detail
1 January 2013
.
.
Pc
Pc
ping
4/6
Local & Wide Area Networks Laboratory
.
2 2.1
OSPF
.
.
Cost 1
2.1.1
Cost Udon
Udon(config)# interface serial 0/0 Udon(config-if)# ip ospf cost 64 Udon(config-if)# exit Udon(config)# interface serial 0/1 Udon(config-if)# bandwidth 64 Udon(config-if)# exit Udon(config)# exit
2.1.2
Bangkok Bangkok(config)# interface serial 0/0 Bangkok(config-if)# bandwidth 2048 Bangkok(config-if)# exit Bangkok(config)# interface serial 0/1 Bangkok(config-if)# ip ospf cost 64 Bangkok(config-if)# exit Bangkok(config)# exit
2.1.3
Phuket Phuket(config)# interface serial 0/0 Phuket(config-if)# ip ospf cost 1562 Phuket(config-if)# exit Phuket(config)# interface serial 0/1 Phuket(config-if)# bandwidth 2048 Phuket(config-if)# exit Phuket(config)# exit
2.2
show ip route IP Address Interface
1 January 2013
5/6
Local & Wide Area Networks Laboratory
.
.
2.3
.
.
.
show ip ospf interface 1.13
(
)
2.4
ping
Pc
Pc
2.5
ping
Pc
Interface Loopback 0 (10.[x].[x].1)
2.6
Routing
Pc X
Pc
ping
Pc Z
(
)
2.7 ......................................................................
1 January 2013
6/6
Local & Wide Area Networks Laboratory
.
.
.
.
Local and Wide Area Networks Laboratory 8 ACLs 1. 2. 3.
Telnet Access-list
1 Standard ACLs 1.1
1
1 1.2 1.3
17 January 2013
Pc Pc
Telnet
IP Address
1/4
7 LAN Interface
Local & Wide Area Networks Laboratory
.
.
1.4
.
Network -
1.5
1.6
1.7
Pc Z Pc Z Pc X Pc Y 1.4 ACLs
standard ACLs
ping Pc X Pc Y ping loopback 0 ping Pc Y ping Pc X ACLs interface
ACLs
ACLs Pc Z Pc Z Pc X Pc Y
show access-list
ping Pc X Pc Y ping loopback 0 ping Pc Y ping Pc X ......................................................................
17 January 2013
2/4
Local & Wide Area Networks Laboratory
.
.
2 Extened ACLs 2.1 1
.
.
.
ACLs
Router(config-if)# no ip access-group accesslist-number in|out
2.2 2.3
Interface ping Pc telnet
2
Pc
Pc telnet
ip
2.4
intface fastethernet
Network -
4.6
4.7
17 January 2013
extened ACLs
Pc[z] telnet Network 172.16.x.16 172.16.x.32 Pc[z] ping Network 172.16.x.16 172.16.x.32 Network 172.16.x.16 telnet network Pc[x] ping Network 172.16.x.32 192.168.x.128 Network 172.16.x.32 ping Network 172.16.x.16 telnet 172.16.x.16 4.5 ACLs ACLs interface
ACLs
show access-list
3/4
Local & Wide Area Networks Laboratory
.
4.8
4.9
.
ACLs
.
.
show ip access-list
ACLs Pc[z] telnet Network Pc[x] Network Pc[y] Pc[z] ping Network Pc[x] Network Pc[y] Network Pc[x] telnet Network Pc[x] ping Network Pc[y] Network Pc[z] Network Pc[y] ping Network Pc[x] Network Pc[x]
telnet
2.5 ......................................................................
17 January 2013
4/4
Local & Wide Area Networks Laboratory