3Com 7700 Configuration Manual page 189

Setting Number of Users on a Port
The following commands are used for setting number of users allowed by 802.1x
on specified port. When no port is specified, all the ports accept the same number
of users.
Perform the following configurations in system view or Ethernet port view.
Table 5 Set Maximum Number of Users via Specified Port
Operation
Set maximum number of users
via specified port
Restore the maximum number
of users on the port to the
default value
By default, 802.1x allows up to 1024 supplicants on each port for Switch 7700
Enabling DHCP to Launch Authentication
Use the following commands for setting whether 802.1x enables the Ethernet
switch to launch the user ID authentication when the user runs DHCP and applies
for dynamic IP addresses.
Perform the following configurations in system view.
Table 6 Set to Enable DHCP to Launch Authentication
Operation
Enable DHCP to launch
authentication
Disable DHCP to launch
authentication
By default, authentication will not be launched when the user runs DHCP and
applies for dynamic IP addresses.
Enabling EAP Relay
The following commands are used for enabling EAP relay to directly send
authentication information to RADIUS server in the format of EAP. (the device
must support EAP authentication).
Perform the following configurations in system view.
Table 7 Enable EAP Relay
Operation
Enable EAP relay
Disable EAP relay
By default, EAP relay is disabled.
Setting the Maximum Retransmission Times
The following commands are used for setting the maximum
authenticator-to-supplicant frame-retransmission times.
Command
dot1x max-user user-number [interface interface-list]
undo dot1x max-user [interface interface-list]
Command
dot1x dhcp-launch
undo dot1x dhcp-launch
Command
dot1x eap-relay
undo dot1x eap-relay
IEEE 802.1x 181