Event ID 34117 — RRAS DHCPv6 Relay Agent Packet Discarding

Updated: November 29, 2007

Applies To: Windows Server 2008

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The DHCPv6 Relay Agent is a Bootstrap Protocol (BOOTP) relay agent that relays Dynamic Host Configuration Protocol (DHCP) messages between DHCP clients and DHCP servers on different IP networks. For each IP network segment that contains DHCP clients, either a DHCP server or a computer acting as a DHCPv6 Relay Agent is required.

If the DHCPv6 Relay Agent (IPBOOTP) is discarding packets, DHCP configuration with peer clients and servers might fail.

Event Details

Product: Windows Operating System
ID: 34117
Source: Microsoft-Windows-RasRoutingProtocols-dhcpv6r
Version: 6.0
Symbolic Name: DHCPV6RELAY_PACKET_TYPE_INVALID
Message: DHCPV6R received a packet containing an invalid op-code. The packet has been discarded. It was received on the local interface with IP address: %1, and it came from a machine with IP address: %2.

Resolve

Configure or reinstall DHCPv6 Relay Agent or check memory status

Possible resolutions:

  • Remove and add the DHCPv6 Relay Agent. For more information, see the "Remove and reinstall the DHCPv6 Relay Agent" section.
  • This computer might be low on memory. For more information, see the "Check memory usage on the server" section.

To perform these procedures, you must have membership in Administrators, or you must have been delegated the appropriate authority.

Remove and reinstall the DHCPv6 Relay Agent

To remove and reinstall the DHCPv6 Relay Agent:

  1. Open Routing and Remote Access. Click Start, click Run, type rrasmgmt.msc, and then press ENTER.
  2. In the console tree, expand IPv6, right-click DHCPv6 Relay Agent, and then click Delete.
  3. Click Yes to confirm the deletion.
  4. Under IPv6, right-click General, and then click New Routing Protocol.
  5. Click DHCPv6 Relay Agent, and then click OK.

Check memory usage on the server

To check memory usage on the remote access server:

  1. On the remote access server, click Start, click Run, type taskmgr, and then click OK.
  2. In the Windows Task Manager dialog box, click the Performance tab.
  3. Under Physical Memory, check the remote access server's memory usage.
  4. If necessary, free up available memory by ending non-essential applications or processes.

Verify

To verify that the DHCPv6 Relay Agent is working:

From the router with the DHCPv6 Relay Agent enabled, use the ping command to ping each of the DHCPv6 servers that are configured in the DHCPv6 Relay Agent dialog box on the remote access server.

Related Management Information

RRAS DHCPv6 Relay Agent Packet Discarding

Routing and Remote Access Service Infrastructure

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