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General Security Measures
4-189
4
This command adds a static address to the source-guard binding table. Use the
no
form to remove a static entry.
Syntax
ip source-guard binding
mac-address
vlan
vlan-id ip-address
interface ethernet
unit/port
no
ip source-guard
binding
mac-address
vlan
vlan-id
•
mac-address
- A valid unicast MAC address.
•
vlan-id
- ID of a configured VLAN (Range: 1-4094)
•
ip-address
- A valid unicast IP address, including classful types A, B or C.
•
unit
- Stack unit. (Range: 1)
•
port
- Port number. (Range: 1-28/52)
Default Setting
No configured entries
Command Mode
Global Configuration
Command Usage
• Table entries include a MAC address, IP address, lease time, entry type
(Static-IP-SG-Binding, Dynamic-DHCP-Binding), VLAN identifier, and port
identifier.
• All static entries are configured with an infinite lease time, which is indicated
with a value of zero by the
show ip source-guard
command (page 4-190).
• When source guard is enabled, traffic is filtered based upon dynamic entries
learned via DHCP snooping, or static addresses configured in the source
guard binding table with this command.
• Static bindings are processed as follows:
- If there is no entry with same VLAN ID and MAC address, a new entry is
added to binding table using the type of static IP source guard binding.
- 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)#
Summary of Contents for 6152PL2 FICHE
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Page 32: ...Tables xxxii ...
Page 38: ...Figures xxxviii ...
Page 56: ...Initial Configuration 2 10 2 ...
Page 378: ...Configuring the Switch 3 322 3 ...
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