relay-agent

Enables support for DHCP/DHCPv6 relay agent information (option 82 and DHCPv6-LDRA) feature on this WLAN. This option is disabled by default.

Supported in the following platforms:

  • Access Points — AP505i, AP510i/e, AP560i/h
  • Service Platforms — NX5500, NX7500, NX9500, NX9600, VX9000

Syntax

relay-agent [dhcp-option82|dhcpv6-ldra]

Parameters

relay-agent [dhcp-option82|dhcpv6-ldra]
relay-agent Enables support for the following DHCP and DHCPv6 options: option 82 and Lightweight DHCPv6 Relay Agent (LDRA) respectively. When enabled, this feature allows the DHCP/DHCPv6 relay agent to insert the relay agent information option (option 82, LDRA) in client requests forwarded to the DHCP/DHCPv6 server.

This information provides the following:

  • circuit ID suboption – Provides the SNMP port interface index
  • remote ID – Provides the controller‘s MAC address
dhcp-option82 Enables DHCP option 82. DHCP option 82 provides client physical attachment information. This option is disabled by default.
dhcpv6-ldra Enables the DHCPv6 relay agent. The LDRA feature allows DHCPv6 messages to be transmitted on existing networks that do not currently support IPv6 or DHCPv6. This option is disabled by default.

Examples

ap505-13403B(config-wlan-test)#relay-agent dhcp-option82
ap505-13403B(config-wlan-test)#show context
wlan test
 ssid test
 vlan 1
 bridging-mode local
 encryption-type ccmp
 authentication-type mac
 dynamic-vlan-assignment allowed-vlans 2-4
 protected-mgmt-frames mandatory
 protected-mgmt-frames sa-query attempts 1
 use aaa-policy test
 relay-agent dhcp-option82
 http-analyze syslog host 10.234.160.4 port 21 proxy-mode through-controller
 controller-assisted-mobility
 opendns device-id 1222222222222356
 dpi metadata http
ap505-13403B(config-wlan-test)#
nx9500-6C8809(config-wlan-test)#relay-agent dhcpv6-ldra
nx9500-6C8809(config-wlan-test)#show context
wlan test
 ssid test
 bridging-mode tunnel
 encryption-type none
 authentication-type none
 relay-agent dhcpv6-ldra
nx9500-6C8809(config-wlan-test)#

Related Commands

no (wlan-config-mode) Disables support for DHCP/DHCPv6 relay agent information (option 82 and DHCPv6-LDRA) feature on this WLAN