Configuring ISG Access for IP Subscriber Sessions
How to Configure ISG for IP Subscriber Sessions
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DETAILED STEPS
What to Do Next
You may want to configure a method of activating the service policy map or 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 a DHCP Server IP Address
Perform this task to specify which DHCP servers to use on your network, or to configure the IP address
of one or more DHCP servers available on the network, and to specify the DHCP lease query for routed
IP sessions.
Note The DHCP server IP address needs to be configured for routed IP sessions, if the DHCP lease query is
performed.
Prerequisites
• The DHCP server must support the DHCP lease protocol.
• The IP address of the phone must be assigned by DHCP address assignments.
• The traffic must be classified as Layer 3.
SUMMARY STEPS
1. enable
2. configure terminal
3. ip dhcp-server {ip-address | query lease {retries max-retransmissions | timeout
timeout-query-seconds}
4. end
Command or Action Purpose
Step 1
Add the DHCP Class attribute to the user or service
profile.
Example:
26,9,1 = ”subscriber:classname=class-name”
Associates a DHCP address pool with a service or specific
subscriber.
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