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Archive for April 14th, 2008

Cisco IP NBAR Protocol Discovery > Causing Extreme High CPU

Posted by a. Rahman Isnaini r. Sutan on April 14, 2008

Finding another factor of what really makes your Cisco CPU High ?
Check this “ip nbar protocol-discovery”. if this not really necessary please have this remove.
You’ll have more and more extreme space on CPU heap.

ip nbar protocol-discovery

To configure Networked-Based Application Recognition (NBAR) to discover traffic for all protocols known to NBAR on a particular interface, use the ip nbar protocol-discovery interface configuration command. To disable traffic discovery, use the no form of this command.

ip nbar protocol-discovery
no ip nbar protocol-discovery

Example :

interface G 0/1
ip nbar protocol-discovery

a. rahman isnaini r.sutan

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