3Com 3C13636 Configuration Manual page 419

3Com Router 3000 Ethernet Family
Configuration Guide
Enter interface view
Configure the IP address
of the interface
Configure the interface to
operate in DHCP server
mode
allocate addresses from
interface address pools
Enable authorized ARP for
DHCP interface address
pools
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 may configure DHCP to support authorized ARP in
interface view. Therefore, this mode is suitable when you want to configure a single
interface to support authorized ARP.
3) Enable authorized ARP in DHCP global address pool view
Table 2-12 Enable authorized ARP for DHCP global address pools
Enter system view
Configure the interface to
operate in DHCP server
mode
allocate addresses from
global address pools
Enter DHCP address pool
view
Operation
interface
interface-number
ip
net-mask
and specify to dhcp select interface
dhcp server synchronize
arp
arp security
arp
seconds
Operation
system-view
dhcp
[ subaddress ] | interface
interface-type
and specify to
interface-number
interface-type
interface-number ] | all }
dhcp
pool-name
3Com Corporation
Command
interface-type
address ip-address
security time-out
Command
select global
[ to
server ip-pool
2-13
Chapter 2 ARP Configuration
Remarks
—
—
Required
Required.
By default, authorized
ARP is not enabled.
Optional.
By default, ARP security is
disabled.
Optional.
By default, the aging time
of an authorized ARP
entry is 90 seconds.
Remarks
—
Required
Required