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Edge-Core ES3510MA User Manual

Edge-Core ES3510MA
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C
HAPTER
25
| General Security Measures
IP Source Guard
– 670 –
â—† 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 672).
â—† 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.
â—† Static bindings are processed as follows:
â– 
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.
â– 
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.
â– 
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 COMMANDS
ip source-guard (670)
ip dhcp snooping (661)
ip dhcp snooping vlan (665)
ip source-guard This command configures the switch to filter inbound traffic based source
IP address, or source IP address and corresponding MAC address. Use the
no form to disable this function.
SYNTAX
ip source-guard {sip | sip-mac}
no ip source-guard
sip - Filters traffic based on IP addresses stored in the binding
table.
sip-mac - Filters traffic based on IP addresses and corresponding
MAC addresses stored in the binding table.
DEFAULT SETTING
Disabled

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Edge-Core ES3510MA Specifications

General IconGeneral
BrandEdge-Core
ModelES3510MA
CategorySwitch
LanguageEnglish

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