4
Command Line Interface
- 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.
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)#
Related Command
ip source-guard (4-111)
ip dhcp snooping (4-115)
ip dhcp snooping vlan (4-117)
show ip source-guard
This command shows whether source guard is enabled or disabled on each
interface.
Command Mode
Privileged Exec
Example
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
. .
.
show ip source-guard binding
This command shows the source guard binding table.
Syntax
show ip source-guard binding [dhcp-snooping | static]
• dhcp-snooping - Shows dynamic entries configured with DHCP Snooping
commands (see page 4-115)
• static - Shows static entries configured with the ip source-guard binding
command (see page 4-113).
4-114