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Cisco ONS 15454 SDH Procedure Guide, R7.2
October 2007
Chapter 19 DLPs D200 to D299
DLP- D250 Set Up or Change Open Shortest Path First Protocol
DLP-D250 Set Up or Change Open Shortest Path First Protocol
Step 1 In node view, click the Provisioning > Network > OSPF tabs.
Step 2 On the top left side of the OSPF tab, complete the following:
• DCC/GCC OSPF Area ID Table—Enter the number that identifies the ONS 15454 SDH nodes as a
unique OSPF area ID entered in dotted decimal format. It can be any number between
000.000.000.000 and 255.255.255.255. The number must be unique to the LAN OSPF area.
• RS-DCC Metric—This value is normally not changed. It sets a cost for sending packets across the
regenerator-section DCC (RS-DCC), which is used by OSPF routers to calculate the shortest path.
This value should always be higher than the LAN metric. The default RS-DCC metric is 100.
• MS-DCC Metric—Sets a cost for sending packets across the multiplex section DCC (MS-DCC).
This value should always be lower than the RS-DCC metric. The default MS-DCC metric is 33. It
is usually not changed.
Step 3 In the OSPF on LAN area, complete the following:
• OSPF active on LAN—When checked, enables the ONS 15454 SDH OSPF topology to be
advertised to OSPF routers on the LAN. Enable this field on ONS 15454 SDH nodes that directly
connect to OSPF routers.
• LAN Port Area ID—Enter the OSPF area ID (dotted decimal format) for the router port where the
ONS 15454 SDH is connected. (This number is different from the DCC OSPF area ID.)
Step 4 By default, OSPF is set to No Authentication. If the OSPF router requires authentication, complete the
following steps. If not, continue with Step 5.
a. Click the No Authentication button.
b. In the Edit Authentication Key dialog box, complete the following:
• Type—Choose Simple Password.
• Enter Authentication Key—Enter the password.
• Confirm Authentication Key—Enter the same password to confirm it.
c. Click OK.
The authentication button label changes to Simple Password.
Purpose This task enables the OSPF routing protocol on the ONS 15454 SDH.
Perform this task if you want to include the ONS 15454 SDH in
OSPF-enabled networks.
Tools/Equipment None
Prerequisite Procedures DLP-D60 Log into CTC, page 17-49
You will need the OSPF Area ID, Hello and Dead intervals, and
authentication key (if OSPF authentication is enabled) provisioned on the
router to which the ONS 15454 SDH is connected.
Required/As Needed As needed
Onsite/Remote Onsite or remote
Security Level Provisioning or higher