Cisco ONS 15454 SDH Specifications download pdf (Page 182)

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Cisco ONS 15454 SDH Installation and Operations Guide, R3.3

May 2002

Chapter 4 IP Networking

Scenario 7: Using OSPF

• Hello Interval (sec)—Sets the number of seconds between OSPF “hello” packet advertisements sent

by OSPF routers. Ten seconds is the default.

• Dead Interval—Sets the number of seconds that will pass while an OSPF router’s packets are not

visible before its neighbors declare the router down. Forty seconds is the default.

• Transit Delay (sec)—Indicates the service speed. One second is the default.

• Retransmit Interval (sec)—Sets the time that will elapse before a packet is resent. Five seconds is

the default.

• LAN Metric—Sets a “cost” for sending packets across the LAN. This value should always be lower

than the DCC metric. Ten is the default.

Figure 4-12 The OSPF area range table and virtual link table

Step 7 In the OSPF Area Range Table area, complete the following:

Area range tables consolidate the information that is propagated outside an OSPF Area border. One ONS

15454 SDH in the ONS 15454 SDH OSPF area is connected to the OSPF router. An area range table on

this node points the router to the other nodes that reside within the ONS 15454 SDH OSPF area.

To create an area range table:

a. Under OSPF Area Range Table, click Create.

b. In the Create Area Range dialog box, enter the following:

–

Range Address—Enter the area IP address for the ONS 15454 SDHs that reside within the OSPF

area. For example, if the ONS 15454 SDH OSPF area includes nodes with IP addresses

10.10.20.100, 10.10.30.150, 10.10.40.200, and 10.10.50.250, the range address would be

10.10.0.0.

–

Range Area ID—Enter the OSPF area ID for the ONS 15454 SDHs. This is either the ID in the

DCC OSPF Area ID field or the ID in the Area ID for LAN Port field.

–

Mask Length—Enter the subnet mask length. In the Range Address example, this is 16.

–

Mask—Displays the subnet mask used to reach the destination host or network.

–

Advertise—Check if you want to advertise the OSPF range table.

c. Click OK.

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Network tab

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OSPF tab

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