Information Technology Reference
In-Depth Information
Figure 10-3
Topology of Link-State Routers with Network Addresses
10.5.0.0/16
2
R2
10.2.0.0/16
10
20
10.9.0.0/16
10.1.0.0/16
10.11.0.0/16
S0/0/0
.1
S0/0/1
2
2
5
2
10.3.0.0/16
R1
R3
10.6.0.0/16
.1
R5
.1
Fa0/0
.1
S0/1/0
10.4.0.0/16
10
10
10.7.0.0/16
20
10.10.0.0/16
R4
2
10.8.0.0/16
Table 10-7 shows partial information in the link-state database for R5 after all LSPs have been
received and R5 is ready to calculate the SPF algorithm. Fill in the missing information.
Table 10-7
Link-State Database for R5
LSPs from R1:
Connected to neighbor
R2
on network
10.2.0.0/16
, cost of
10
Connected to neighbor
R4
on network
10.4.0.0/16
, cost of
10
Has a network
10.1.0.0/16
, cost of
2
LSPs from R2:
Connected to neighbor
R1
on network
10.2.0.0/16
, cost of
10
Connected to neighbor
R5
on network
10.9.0.0/16
, cost of
20
Has a network
10.5.0.0/16
, cost of
2
LSPs from R3:
Connected to neighbor
R5
on network
10.6.0.0/16
, cost of
5
Connected to neighbor
R4
on network
10.7.0.0/16
, cost of
10
Has a network
10.3.0.0/16
, cost of
2
LSPs from R4:
Connected to neighbor
R1
on network
10.4.0.0/16
, cost of
10
continues
