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Cisco Transport Manager Release 6.0 User Guide
78-16845-01
Chapter 3 Building the Network
3.6.7 Modifying Links
Note Table 3-14 describes the fields in the Modify Link wizard.
Step 1 Open the Modify Link wizard using one of the following methods:
• In the Link table, select a link and choose Edit > Modify Link.
• In the Network Map, select a link and choose Configuration > Modify Link.
Step 2 In the Link Attributes panel, modify the following information, as needed:
• Name
• Description
• Cost
• Shared risk link groups
Note If you modify the SRLG value, you receive the warning popup “There might be circuits
routed with diverse SRLG constraints on this link. Changing risk link groups might affect
the diversity constraint.” Click OK; then, verify the SRLG value that you entered.
Step 3 Click Next until you reach the Finish panel.
Step 4 Verify the link summary and click Finish.
Note After certain topology reconfigurations that involve removing fiber, the Network Map might not
report the correct links. This problem occurs because the CTM server is not synchronized with
the new network topology and cannot retrieve network or link updates. This problem applies
only to CTC-based NEs. The workaround is to remove the links completely by deleting the
SDCC termination on the ports, rather than by simply unplugging the fiber cable.
Table 3-14 Field Descriptions for the Modify Link Wizard
Field Description
Link Attributes Panel
Name Modify the name of the selected link. The link name is a free-format string, up to 256 characters. The link
name must be unique.
Description Modify the link description. The link description is a free-format string, up to 256 characters.
Layer (Read-only) View the link layer.
Layer Detail (Read-only) View the link size.
Protection (Read-only) View the link protection.
Direction (Read-only) View whether the link is unidirectional or bidirectional.
Provision Type (Read-only) View the type of link provisioning (Manual or Patchcord).
Cost Modify the numeric cost associated with the SONET or SDH layer link. The cost range is 0 to 999999. This
field is editable only for links in the SONET or SDH layer. For all other links, the Cisco default value is
1024. All autodiscovered links have the Cisco default cost 1024.