Beta Draft Confidential
Configuring PNNI Routing
PNNI Policy-based Routing
ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000 1/19/0521-35
Modify a VPN Policy
An existing VPN policy mapping may be modified if the VPN is not associated with
any switch.
To modify VPN policies:
1. Right-click on the node for the VPN you want to modify, and select Modify from
the pop-up menu.
The Modify VPN dialog box appears (Figure 21-9).
Figure 21-9. Modify VPN Dialog Box
2. To set the policy routing attributes, select the Set PNNI Policy Routing Attributes
check box.
3. Fill in the Modify VPN fields, as described in Table 21-3 on page 21-34.
4. When you are done modifying fields, choose OK to save the changes.
The Modify VPN dialog box closes.
Associate VPN-PNNI Policy Mapping With Switch
Once a VPN-PNNI policy mapping is created, this policy mapping must be associated
with a switch before using that VPN in circuit creation. A maximum of 512 policies
may be associated to a switch.
In a pure PNNI network, the originating endpoint uses policies rather than the VPN ID
information. A pure VNN network will only use VPN IDs. A mixed network (VNN
and PNNI) will use both, and the gateway switch will choose data paths based on
these.
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