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Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
Chapter 33 Configuring DHCP Snooping and IP Source Guard
Displaying the IP Source Guard Information
ACL dhcp successfully mapped to port(s) 5/1.
Console>
Figure 33-3 shows the typical topology that is used when you configure IP source guard on an untrusted
port.
Figure 33-3 IP Source Guard Enabled on an Untrusted Port
Displaying the IP Source Guard Information
You can display the information about IP source guard for all ports on a switch using the show port
dhcp-snooping command. To display information about IP source guard on a module, perform this task
in normal mode:
This example shows how to display the configuration for IP source guard on a port:
Console> (enable) show port dhcp-snooping 3/25
Port Trust Source-Guard Source-Guarded IP Addresses
----- ----------- ------------ ---------------------------
3/25 untrusted enabled 192.168.80.6, 192.168.80.5,
192.168.80.4, 192.168.80.3,
192.168.80.2, 192.168.80.1
Console> (enable)
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