Configuring ISG Port-Bundle Host Key
How to Configure ISG Port-Bundle Host Key
5
Enabling the ISG Port-Bundle Host Key Feature in a User Profile or Service
Profile on the AAA Server
Perform this task to enable the ISG Port-Bundle Host Key feature in a user profile or service profile on
the AAA server.
SUMMARY STEPS
1. Add the Port-Bundle Host Key attribute to the user or service profile.
DETAILED STEPS
What to Do Next
If you enabled the ISG Port Bundle Host Key feature in a service profile, you may want to configure a
method of activating the service profile; for example, control policies can be used to activate services.
For more information about methods of service activation, see the module “Configuring ISG Subscriber
Services.”
Configuring Port-Bundle Host Key Parameters
Perform this task to configure ISG Port-Bundle Host Key parameters and specify the interface for which
ISG will use translation tables to derive the IP address and port number for downstream traffic.
Port-Bundle Length
The port-bundle length is used to determine the number of ports in one bundle. By default, the
port-bundle length is four bits. The maximum port-bundle length is ten bits. See Table 2 for available
port-bundle length values and the resulting port-per-bundle and bundle-per-group values. You may want
to increase the port-bundle length when you see frequent error messages about running out of ports in a
port bundle.
Command or Action Purpose
Step 1
Add the Port-Bundle Host Key attribute to the user or
service profile.
26,9,1 = "ip:portbundle=enable"
Enables the ISG Port-Bundle Host Key feature in the user or
service profile.
Table 2 Port-Bundle Lengths and Resulting Port-per-Bundle and Bundle-per-Group Values
Port-Bundle Length
(in bits)
Number of Ports
per Bundle
Number of Bundles per Group
(and per ISG Source IP Address)
0 1 64512
1 2 32256
2 4 16128
3 8 8064
4 (default) 16 4032
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