1074 BigIron RX Series Configuration Guide53-1001986-01DHCP relay agent for IPv643Configuring DHCP for IPv6 relay agentYou can enable the DHCP for IPv6 relay agent function and specify the relay destination addresseson an interface by entering the command at the interface level.BigIron(config)# interface ethernet 2/3BigIron(config-if-e10000-2/3)#ipv6 dhcp-relay-dest 2001::2Syntax: ipv6 dhcp-relay-dest < ipv6-address >Select the ipv6-address to specify a destination address to which the client messages areforwarded and enables DHCP for IPv6 relay services on the interface.Displaying DHCP relay informationUse the show ipv6 dhcp-relay command to determine what DHCP relay agent packets have beenreceived or transmitted on the device.Syntax: show ipv6 dhcp-relayEnabling support for network-based ECMP load sharing forIPv6Network-based ECMP load sharing is supported. If this configuration is selected, traffic isdistributed across equal-cost paths based on the destination network address. Routes to eachnetwork are stored in CAM and accessed when a path to a network is required. Because multiplehosts are likely to reside on a network, this method uses fewer CAM entries than load sharing byhost. When you select network-based ECMP load sharing, you can choose either of the followingtwo CAM modes:• Dynamic Mode – In the dynamic mode, routes are entered into the CAM dynamically using aflow-based scheme. In this mode routes are only added to the CAM as they are required. Onceroutes are added to the CAM, they are subject to being aged-out when they are not in use.Because this mode conserves CAM, it is useful for situations where CAM resources arestressed or limited.• Static Mode – In the static mode, routes are entered into the CAM whenever they arediscovered. Routes are not aged once routes are added to the CAM and they are subject tobeing aged-out when they are not in use.Displaying ECMP load-sharing information for IPv6To display the status of ECMP load sharing for IPv6, enter the following command.BigIron RX#show ipv6 dhcp-relaytelnet@RX16-8120#sh ipv6 dhcp-relayDHCPv6 relay agent RCV 0 packets, TX 0 packetstelnet@RX16-8120#
