High destination cache usage for Check Point

Vendor

Check Point

Description

Indeni will alert when the number of entries stored in a device's destination cache is nearing the allowed limit.

Remediation Steps

Identify the cause of the large destination cache. If it is due to a legitimate cause, such as a high number of hosts visible on the available networks, please contact your technical support provider.

Review sk74480: https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk74480

How does this work?

The current cache usage is taken from /proc/slabinfo and the limit from /proc/sys/net/ipv4/route/max_size. See Check point KB https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk100110 for more information.

Why is this important?

The current cache usage is taken from /proc/slabinfo and the limit from /proc/sys/net/ipv4/route/max_size. See Check point KB https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk100110 for more information.

Without Indeni how would you find this?

An administrator could login and manually check this from the command line interface.


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