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Cisco CCNP: How to Configure IP Source Guard?

Cisco CCNP: How to Configure IP Source Guard?

Posted on September 10, 2012 by RouterSwitch Tech | 0 Comments

IP Source Guard is a per-interface traffic filter that permits IP traffic only when the IP address and MAC address of each packet matches one of two sources of IP and MAC address bindings: •Entries in the Dynamic Host Configuration…

How to Configure DHCP Snooping?

Posted on August 28, 2012 by RouterSwitch Tech | 0 Comments

DHCP snooping is a security feature intended to prevent rogue DHCP server from sending malicious DHCP replies. When DHCP snooping is enabled, the switch intercept all the DHCP requests, and discards DHCP replies coming from “untrusted” ports. The offending switch…

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