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HP 2610 User Manual page 36

Version r.11.25 software procurve 2610 series
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Enhancements
Release R.11.12 Enhancements
ProCurve(config)# arp protect trust b1-b4, d1
Adding an IP-to-MAC Binding to the DHCP Database
A routing switch maintains a DHCP binding database, which is used for DHCP and ARP packet
validation. Both the DHCP snooping and DHCP Option 82 insertion features maintain the lease
database by learning the IP-to-MAC bindings on untrusted ports. Each binding consists of the client
MAC address, port number, VLAN identifier, leased IP address, and lease time.
If your network does not use DHCP or if some network devices have fixed, user-configured IP
addresses, you can enter static IP-to-MAC address bindings in the DHCP binding database. The switch
uses manually configured static bindings for DHCP snooping and dynamic ARP protection.
To add the static configuration of an IP-to-MAC binding for a port to the database, enter the ip source
binding command at the global configuration level.
Syntax: [no] ip source binding <mac-address> vlan <vlan-id> <ip-address>
interface <port-number>
mac-address
vlan <vlan-id> Specifies a VLAN ID number to bind with the
ip-address
interface
<port-number>
An example of the ip source binding command is shown here:
ProCurve(config)# ip source binding 0030c1-7f49c0
interface vlan 100 10.10.20.1 interface A4
N o t e
Note that the ip source binding command is the same command used by the Dynamic IP Lockdown
feature to configure static bindings. The Dynamic ARP Protection and Dynamic IP Lockdown features
share a common list of source IP-to-MAC bindings.
31
Specifies a MAC address to bind with a VLAN
and IP address on the specified port in the
DHCP binding database.
specified MAC and IP addresses on the speci-
fied port in the DHCP binding database.
Specifies an IP address to bind with a VLAN
and MAC address on the specified port in the
DHCP binding database.
Specifies the port number on which the IP-to-
MAC address and VLAN binding is configured
in the DHCP binding database.

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