Ospf configuration example, Area 0, Area 5 area 6 (stub) – Allied Telesis AT-8550 User Manual
Page 175
AT-9108, AT-8518, AT-8525, and AT-8550 User’s Guide
9-21
OSPF Configuration Example
shows an example of an autonomous system using OSPF
routers. The details of this network follow.
Figure 9-5 OSPF Configuration Example
Area 0 is the backbone area. It is located at the headquarters and has
the following characteristics:
❑ 2 internal routers (IR1 and IR2)
❑ 2 area border routers (ABR1 and ABR2)
❑ Network number 10.0.x.x
❑ 2 identified VLANs (HQ_10_0_2 and HQ_10_0_3)
LINK
DISABLED
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8
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POWER
DIAG
2
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1
8
GIGABIT ETHERNET SWITCH
ACTIVITY
LINK
1000BASE-X NETWORK PORTS
10 / 100BASE-T ETHERNET SWITCH
WITH GIGABIT ETHERNET
1000BASE-X NETWORK PORTS
10/100BASE-TX MDI-X NETWORK PORTS
POWER
DIAG
ACTIVITY
LINK
1
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9
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LINK /ACTIVITY
LINK
ACTIVITY
DISABLED
17R
17
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18
17R
17
Area 0
IR 2
IR 1
ABR 1
ABR 2
Area 5
Area 6 (stub)
Headquarters
Los Angeles
Chicago
Virtual link
10.0.1.1
10.0.1.2
10.0.2.2
10.0.2.1
10.0.3.2
10.0.3.1
HQ
_1
0_
0_
3
H
Q
_1
0_
0_
2
160.26.25.1
160.26.26.1
C
hi
_1
60
_2
6_
26
160.26.25.2
LA
_1
61
_4
6_
2
161.48.2.2
161.48.2.1
160.26.26.2
LINK
DISABLED
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8
1
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POWER
DIAG
2
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1
8
GIGABIT ETHERNET SWITCH
ACTIVITY
LINK
1000BASE-X NETWORK PORTS
LINK
DISABLED
1
2
3
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5
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8
1
2
3
4
5
6
7
8
POWER
DIAG
2
3
4
5
6
7
1
8
GIGABIT ETHERNET SWITCH
ACTIVITY
LINK
1000BASE-X NETWORK PORTS
LINK
DISABLED
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
POWER
DIAG
2
3
4
5
6
7
1
8
GIGABIT ETHERNET SWITCH
ACTIVITY
LINK
1000BASE-X NETWORK PORTS
10 / 100BASE-T ETHERNET SWITCH
WITH GIGABIT ETHERNET
1000BASE-X NETWORK PORTS
10/100BASE-TX MDI-X NETWORK PORTS
POWER
DIAG
ACTIVITY
LINK
1
2
3
4
9
10
11
12
5
6
7
8
13
14
15
16
1
2
3
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9
10
11
12
13
14
15
16
LINK /ACTIVITY
LINK
ACTIVITY
DISABLED
17R
17
18
18
17R
17
10 / 100BASE-T ETHERNET SWITCH
WITH GIGABIT ETHERNET
1000BASE-X NETWORK PORTS
10/100BASE-TX MDI-X NETWORK PORTS
POWER
DIAG
ACTIVITY
LINK
1
2
3
4
9
10
11
12
5
6
7
8
13
14
15
16
1
2
3
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6
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9
10
11
12
13
14
15
16
LINK /ACTIVITY
LINK
ACTIVITY
DISABLED
17R
17
18
18
17R
17
10 / 100BASE-T ETHERNET SWITCH
WITH GIGABIT ETHERNET
1000BASE-X NETWORK PORTS
10/100BASE-TX MDI-X NETWORK PORTS
POWER
DIAG
ACTIVITY
LINK
1
2
3
4
9
10
11
12
5
6
7
8
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
LINK /ACTIVITY
LINK
ACTIVITY
DISABLED
17R
17
18
18
17R
17