Accton Technology ES4710BD manual Typical complex Ospf autonomous system

ES4710BD 10 Slots L2/L3/L4 Chassis Switch

Switch5(Config-if-vlan3)#exit

！Enable OSPF protocol, configure the number of the area in which interface vlan2 and vlan3 reside in.

Switch5(Config)#router ospf Switch5(Config-router-ospf)#exit Switch5(Config)#interface vlan 2 Switch5(Config-if-vlan2)#ip ospf enable area 0 Switch5(Config-if-vlan2)#exit Switch5(Config)#interface vlan 3 Switch5(Config-if-vlan3)#ip ospf enable area 0 Switch5(Config-if-vlan3)#exit Switch5(Config)#exit

Switch5#

Scenario 2: Typical OSPF protocol complex topology.

N1

SWI TCH1

N3

N2

SWI TCH2

N4

Domai n 1

N10

SWI TCH9

N11	N12	N13
SWI TCH4	SWI TCH5
SWI TCH3	SWI TCH6
	Domai n 0
		N14	N15

N9

Domai n 3

N8

SWI TCH12

SWI TCH11	N7	SWI TCH10	SWI TCH7
			N5
			SWI TCH8
	Domai n 2		N6

Fig 18-4 Typical complex OSPF autonomous system.

Figure 18-4is a typical complex OSPF autonomous system network topology. Area1 include network N1-N4 and layer 3 switch Switch1-Switch4, area2 include network N5-N7 and layer 3 switch Switch7, Switch8, Switch10 and Switch11, area3 include N8-N10, host H1 and layer 3 switch Switch9, Switch11 and Switch12, and network N8-N10 share a same summary route with host H1(i.e., define area3 and a STUB area). Layer 3 switch Switch1, Switch2, Switch5, Switch6, Switch8, Switch9, Switch12 are in-area layer 3 switches, Switch3, Switch4, Switch7, Switch10 and

432