Beta Draft Confidential
7-341/19/05 ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000
Configuring Trunks
Configuring APS Trunk Backup and Fast APS 1+1 for ATM Direct Trunks
Configuring the Backup Trunk for APS Trunk Backup
1. In the Networks object tree, expand the instance node for the network that
contains the switch.
2. Expand the Switches node.
3. Double-click on the switch to which you want to add a trunk logical port. The
Switch tab is displayed.
4. Right-click on the Trunks node, and select Add from the pop-up menu as shown in
Figure 7-4 on page 7-18.
The Add Trunk dialog box (Figure 7-5 on page 7-19) appears.
5. In the Endpoints field, click on the Select button to choose two logical ports which
will be the trunk endpoints.
The Select Trunk Endpoints dialog box (Figure 7-6 on page 7-20) appears.
6. Select the name of the switch where the first protection port resides, then select
the name of the switch where the second protection port resides.
7. For each switch endpoint, select the ATM direct trunk logical port that resides on
the protection port.
8. Choose OK.
9. Complete the fields in the Administrative tab of the Add Trunk dialog box as
described in Table 7-3 on page 7-22. Be sure to select Backup in the Trunk Type
field’s pull-down menu.
10. Use the instructions beginning on page 7-27 to complete the additional fields in
the Backup Options tab. Select the name of the primary trunk you configured
using the corresponding APS working ports.
11. Choose OK to complete this configuration.
Note – Logical port endpoints 1 and 2 must reside on the same switch for both the
primary and the backup trunks.
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