Displaying DHCPv6 Relay Agent and Prefix Delegation Information

You can use various show commands to view information about the DHCPv6 relay agent and prefix delegation.

Added new show command for 8200 to this section

Use one of the following commands to view DHCPv6 relay agent and prefix delegation information. The commands do not need to be entered in the order shown.

Enter the show ipv6 dhcp-relay options command.

device# show ipv6 dhcp-relay options                 
DHCPv6 Relay Options Information:
Interface       Interface-Id     Remote-Id     Option-79
e 1/1/1            No                No             No

The output of this command displays information about the relay options available to the prefixed delegates.

Enter the show ipv6 dhcp-relay command.

device(config)# show ipv6 dhcp-relay 
Current DHCPv6 relay agent state: Enabled
DHCPv6 enabled interface(s): e 1/2/3
DHCPv6 Relay Agent Statistics:
 Total DHCPv6 Packets, Received:0, Transmitted:0 
 Received DHCPv6 Packets: RELEASE:0,RELAY_FORWARD:0,RELAY_REPLY:0 
                          OtherServertoClient:0,OtherClinettoServer:0

The output of this command displays the DHCPv6 relay agent information configured on the device.

For ICX 8200 devices only, enter the show dhcpv6-relay information.
```
device# show dhcpv6-relay information
Relay agent information enabled on VLANs: 1
VLAN Id: 1000
  remote-id information: remote01
```
The output of this command displays the DHCPv6 relay agent information configuration for all VLANs.

Enter the show ipv6 dhcp-relay interface command.

device(config)# show ipv6 dhcp-relay interface ethernet 1/1/1
DHCPv6 Relay Information for interface e 1/1/1: 
Destinations:
 Destination                    OutgoingInterface 
 2001::2                        NA
Options:
 Interface-Id: No       Remote-Id:No	   	Option-79:No
Prefix Delegation Information:
 Current:0 Maximum:100 AdminDistance:10

The output of this command displays DHCPv6 relay information for a specific interface.

Enter the show ipv6 dhcp-relay destinations command.

device# show ipv6 dhcp-relay destinations 
DHCPv6 Relay Destinations: 
Interface e 1/2/3: 
   Destination                    OutgoingInterface 
   2001::2                        NA
   fe80::224:38ff:febb:e3c0       e 1/2/5

The output of this command displays information about the DHCPv6 relay configured destinations for a specific interface.

Enter the show ipv6 dhcp-relay prefix-delegation-information command.

device# show ipv6 dhcp-relay prefix-delegation-information
DHCPv6 Relay Prefix Delegation Notification Information:
  Interface  Current    Maximum    AdminDistance
  ve 100     20         20000      10
  ve 101     4000       20000      10
  ve 102     0          20000      10
  ve 103     0          20000      10
  ve 104     0          20000      10
  ve 105     0          20000      10

The output of this command displays additional information about the DHCPv6 prefix delegation.

Enter the show ipv6 dhcp-relay delegated-prefixes command.

device# show ipv6 dhcp-relay delegated-prefixes interface ethernet 1/1/45

Prefix                        Client                 Interface    ExpireTime
fc00:2000:6:7:1::/96          fe80::210:94ff:fe00:e   1/1/45      29d23h53m0s

The output of this command displays information about the delegated prefixes.

DHCPV6

Displaying DHCPv6 Relay Agent and Prefix Delegation Information