Juniper JUNOS OS 10.4 - FOR EX REV 1 Manual page 3163

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the switch drops the DCHP packets that request invalid IP addresses, preventing the
snooping of these packets. The invalid IP addresses are:
0.0.0.0
128.0.x.x
191.255.x.x
192.0.0.x
223.255.255.x
224.x.x.x
240.x.x.x to 255.255.255.255
Port Security for EX Series Switches Overview on page 3049
Understanding Trusted DHCP Servers for Port Security on EX Series Switches on
page 3064
Understanding DHCP Option 82 for Port Security on EX Series Switches on page 3064
DHCP Services for EX Series Switches Overview on page 539
DHCP/BOOTP Relay for EX Series Switches Overview on page 540
Example: Configuring Port Security, with DHCP Snooping, DAI, MAC Limiting, and MAC
Move Limiting, on an EX Series Switch on page 3073
Enabling DHCP Snooping (CLI Procedure) on page 3134 and Enabling DHCP Snooping
(J-Web Procedure) on page 3135
Troubleshooting Port Security on page 3169
Chapter 99: Port Security Overview
3059