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- If there is an entry with same VLAN ID and MAC address, and
the type of entry is static IP source guard binding, then the new
entry will replace the old one.
- If there is an entry with same VLAN ID and MAC address, and
the type of the entry is dynamic DHCP snooping binding, then the
new entry will replace the old one and the entry type will be
changed to static IP source guard binding.
Example
This example configures a static source-guard binding on port 5.
Related Command
ip source-guard (4 -265)
ip dhcp snooping (4 -270)
ip dhcp snooping vlan (4 -272)
show ip source-guard
This command shows whether source guard is enabled or disabled on each
interface.
Command Mode
Privileged Exec
Example
Console(config)#ip source-guard binding 11-22-33-44-55-66 vlan 1
192.168.0.99 interface ethernet 1/5
Console(config-if)#
Console#show ip source-guard
Interface Filter-type
--------- -----------
Eth 1/1 DISABLED
Eth 1/2 DISABLED
Eth 1/3 DISABLED
Eth 1/4 DISABLED
Eth 1/5 SIP
Eth 1/6 DISABLED
.
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