Chapter 6. Manage / Configure the Switch
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Entering “dhcp-relay ?”, the sub-commands will be shown.
(config)# dhcp-relay ?
helper-address Specify DHCP servers' IP addresses
information Specify a additional information for DHCP Option 82
option Enable to add the additional information to Option 82
<cr> Enable DHCP relay
dhcp-relay command is used to enable DHCP Relay function. “no dhcp-relay” command is used to disable it.
dhcp-relay helper-address xxx.xxx.xxx.xxx command is used to assign the DHCP server for DHCP Relay operation.
“xxx.xxx.xxx.xxx” is the IP address of DHCP server.
dhcp-relay information xxx command is used to specify the additional information string for DHCP Option 82
operation. “xxx” is the string.
dhcp-relay option command is used to enable adding the additional string to Option 82. “no dhcp-relay option”
command is used to disable it.
9 dot1x command
This command is used configure the general settings of 802.1x function of the switch. Entering “dot1x ?”, the sub-
commands will be shown.
(config)# dot1x ?
authcount Set 802.1x Re-authentication Max Count
dynamic-vlan VLANs are assigned based on a MAC address
guest-vlan Migrating end users to an 802.1X environment and for delivering limited services to unauthorized users
max-req Max EAP request/identity packet retransmissions
re-authentication Forces re-authentication on all ports/interfaces
system-auth-control Enables/disables 802.1x to change port modes
timeout Timeout value
transparent Transparent 802.1x packets
dot1x authcount x command is used to set max count for re-authentication request in the re-authentication process.
If the max count is met, it will become un-authentication state. The valid value of “x” is 1~10.
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