3Com 3C13636 Configuration Manual page 418

3Com Router 3000 Ethernet Family
Configuration Guide
Table 2-10 Enable authorized ARP for DHCP interface address pools
Enter system view
Configure
operate in DHCP server
mode
allocate addresses from
interface address pools
Enable authorized ARP for
DHCP interface address
pools
Enter interface view
Configure the IP address
of the interface
Enable ARP security
Configure the aging time
of the authorized ARP
entries
Note:
This mode applies to scenarios where addresses from the interface address pools
are assigned to clients.
In this configuration mode, you can configure an interface range. Therefore, you can
configure DHCP to support authorized ARP on multiple interfaces at the same time.
2) Enable authorized ARP in interface view
Table 2-11 Enable authorized ARP for DHCP interface address pools
Enter system view
Operation
system-view
interfaces to dhcp select
{ interface interface-type
and specify to interface-number
interface-type
interface-number ] | all }
dhcp server synchronize
arp
interface-type
interface-number
interface-type
interface-number | all }
interface
interface-number
ip
net-mask
arp security
arp
seconds
Operation
system-view
3Com Corporation
Command
interface
[ to
{
interface
[ to
interface-type
address ip-address
security time-out
Command
2-12
Chapter 2 ARP Configuration
Remarks
—
Required
Required.
By default, authorized
ARP is not enabled.
Before creating
interface address
you must configure the IP
addresses of
interfaces involved in the
previous commands.
Optional.
By default, ARP security is
disabled.
Optional.
By default, the aging time
of an authorized ARP
entry is 90 seconds.
Remarks
—
an
pool,
the