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310 | Chapter 15. Security Management
ProSafe M4100 and M7100 Managed Switches
2. Check to make sure the binding database has the static entry.
(GSM7328S) #show ip dhcp snooping binding
Total number of bindings: 2
MAC Address IP Address VLAN Interface Type Lease (Secs)
------------------------ --------------- --------
----------- -------
-----------
00:11:11:11:11:11 192.168.10.1 1 1/0/2 STATIC
00:16:76:A7:88:CC 192.168.10.89 1 1/0/2 DYNAMIC 86348
Web Interface: Enter Static Binding into the Binding Database
1. Select Security > Control > DHCP Snooping > Binding Configuration.
2. Fill in the fields for the static binding and click Apply.
3. Check to make sure that the binding database shows the entry in the Static Binding
Configuration table.
Maximum Rate of DHCP Messages
To prevent DHCP packets being used as DoS attachments when DHCP snooping is enabled,
the snooping application enforces a rate limit for DHCP packets received on untrusted
interfaces. DHCP snooping monitors the receive rate on each interface separately. If the
receive rate exceeds the configured limit, DHCP snooping brings down the interface. The
user must specify “no shutdown” on this interface to further work with that port.