Some VPN clients are not able to connect to Security Gateway

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Technical Level

Solution ID	sk105721
Technical Level
Product	IPSec VPN
Version	R75 (EOL), R76 (EOL), R77 (EOL), R77.10 (EOL), R77.20, R77.30 (EOL)
Platform / Model	All
Date Created	15-Apr-2015
Last Modified	16-Jan-2017

Symptoms

Some VPN clients are not able to connect to Security Gateway.

Cause

Kernel table "ccc_sessions" (for Endpoint Connect clients) on Security Gateway fills up very rapidly (refer to output of "fw tab -t ccc_sessions -s" command), not allowing these VPN clients to connect to Security Gateway.

Solution

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