FortiCarrier Information Element (IE) removal policy options

Information Element (IE) removal policy options

In some roaming scenarios, the unit is installed on the border of the PLMN and the GRX. In this configuration, the unit supports information element (IE) removal policies to remove any combination of R6 IEs (RAT, RAI, ULI, IMEI-SV and APN restrictions) from the types of messages described in “Advanced filtering options”, prior to forwarding the messages to the HGGSN (proxy mode).

IE removal policy
Enable Select to enable this option.
SGSN address of message

IE

The firewall address or address group that contains the SGSN addresses.
IEs to be removed The IE types that will be removed. These include APN Restriction, RAT, RAI, ULI, and IMEI.
Add Adds an IE removal policy. When you select Add, the New window appears, which allows you to configure the IE policy.
Edit Modifies settings from within the IE removal policy. When you select Edit, the Edit window appears, which allows you to modify the settings within the policy.
Delete Removes the IE removal policy from the list.
New IE policy page
SGSN address Select a firewall address or address group that contains SGSN addresses.
IEs to be removed Select one or more IE types to be removed. These include APN Restriction, RAT, RAI, ULI, and IMEI.

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