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S12700 V200R013C00 Log Reference

This document provides the explanations, causes, and recommended actions of logs on the product.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
DHCP

DHCP

DHCP/4/DHCP_ALLOC_ADDRESS

Message

DHCP/4/DHCP_ALLOC_ADDRESS: Result of IP address allocation from the DHCP server to wireless users. [STRING]

NOTE:

Only wireless users support this log.

Description

The DHCP server fails to allocate IP addresses.

Parameters

Parameter Name Parameter Meaning
[STRING] Indicates that users fail to obtain IP addresses.

Possible Causes

A wireless user applies for an IP address, and the DHCP server records the information that no IP address is successfully allocated to the wireless user.

Procedure

  • This log message is informational only, and no action is required.

DHCP/5/DHCP_ALLOC_ADDRESS

Message

DHCP/5/DHCP_ALLOC_ADDRESS: Result of IP address allocation from the DHCP server to wireless users. [STRING]

NOTE:

Only wireless users support this log.

Description

The DHCP server successfully allocates an IP address.

Parameters

Parameter Name Parameter Meaning
[STRING] Information about the IP address that has been successfully allocated to a wireless user.

Possible Causes

When a wireless user applies for an IP address, the DHCP server records information about the IP address that has been successfully allocated to the user.

Procedure

  • This log message is informational only, and no action is required.

DHCP/0/DHCP_SERVER_DETECT

Message

DHCP/0/DHCP_SERVER_DETECT:A NEW SERVER IS FOUND.(SERVER INFO : IP Address = [IPADDR], MAC Address = [STRING1], Interface = [STRING2])

Description

A new DHCP server was discovered.

Parameters

Parameter Name Parameter Meaning
IP Address IP address of the server.
MAC Address MAC address of the server.
Interface Name of the interface receiving packets from the new server.

Possible Causes

The device receives packets from the new DHCP server.

Procedure

  • This log is informational only, and no action is required.

DHCP/0/DHCPRATET_LIMIT

Message

DHCP/0/DHCPRATET_LIMIT: The rate of DHCP packets exceeds the speed limit. [INTEGER] packets have been discarded.

Description

DHCPv4 messages exceed the rate and the number of discarded DHCPv4 messages reaches the threshold.

Parameters

Parameter Name Parameter Meaning
[INTEGER] Number of discarded packets.

Possible Causes

DHCPv4 messages exceed the rate and the number of discarded DHCPv4 messages reaches the threshold.

Procedure

  • The device received a large number of DHCPv4 packets, indicating that an attack occurred on the network. Disconnect the device from the network or configure a corresponding attack defense policy.

DHCP/4/DHCPSNP_ONLINE_FAIL

Message

DHCP/4/DHCPSNP_ONLINE_FAIL: "The user failed to request an IP address.(Client MAC Address=[STRING], VLAN=[ULONG], APID=[ULONG], APMAC=[STRING], APName=[STRING], RadioId=[ULONG], SSID=[STRING], Failure Reason=[STRING])."

Description

The user fails to apply for an IP address.

Parameters

Parameter Name Parameter Meaning
Client MAC Address MAC address of a user.
VLAN VLAN to which a user belongs.
Failure Reason Failure cause.

Possible Causes

When the AP functions as the DHCP snooping device, the user fails to obtain the IP address and the AP sends this log to the AC. The failure causes displayed in Failure Reason are as follows:

  • The DHCP server did not respond within the specified period: The time period for waiting for a response from the DHCPv4 server expires.
  • The DHCP server failed to allocate an IP address: The DHCPv4 server sends a NAK message.
  • DHCP snooping discarded the packet or DHCPv6 snooping discarded the packet: Packet loss occurs on the DHCP snooping device.
  • No DHCP offer was received from the DHCP server: The DHCP snooping device does not receive a DHCP Offer message sent by the DHCPv4 server.
  • No DHCP request in selecting state was received from the DHCP client: The DHCP snooping device does not receive a Request message sent by the DHCPv4 client.
  • No DHCP ACK was received from the DHCP server in response to the DHCP request in selecting state: During the four-step process, the DHCP snooping device does not receive an ACK message sent by the DHCPv4 server after receiving the Request message sent by the DHCPv4 client.
  • No DHCP ACK was received from the DHCP server in response to the DHCP request in init-reboot state: During the two-step process, the DHCP snooping device does not receive an ACK message sent by the DHCPv4 server after receiving the Request message sent by the DHCPv4 client.
  • No DHCP ACK was received from the DHCP server in response to the DHCP request in renewing state: During the lease renewal process, the DHCP snooping device does not receive an ACK message sent by the DHCPv4 server after receiving the unicast Request message sent by the DHCPv4 client.
  • No DHCP ACK was received from the DHCP server in response to the DHCP request in rebinding state: During the lease renewal process, the DHCP snooping device does not receive an ACK message sent by the DHCPv4 server after receiving the broadcast Request message sent by the DHCPv4 client.
  • No DHCPv6 advertise was received from the DHCPv6 server: The DHCP snooping device does not receive an Advertise message sent by the DHCPv6 server.
  • No DHCPv6 request was received from the DHCPv6 client: The DHCP snooping device does not receive a Request message sent by the DHCPv6 client.
  • No DHCPv6 reply was received from the DHCPv6 server in response to the DHCPv6 request: The DHCP snooping device does not receive a Reply message sent by the DHCPv6 server after receiving the Request message sent by the DHCPv6 client.
  • No DHCPv6 reply was received from the DHCPv6 server in response to the DHCPv6 renew: The DHCP snooping device does not receive a Reply message sent by the DHCPv6 server after receiving the Renew message sent by the DHCPv6 client.
  • No DHCPv6 reply was received from the DHCPv6 server in response to the DHCPv6 rebind: The DHCP snooping device does not receive a Reply message sent by the DHCPv6 server after receiving the Rebind message sent by the DHCPv6 client.

Procedure

  • Locate and rectify the fault according to Failure Reason.

DHCP/4/DHCP_RELAY_WRONG_GIADDR

Message

DHCP/4/DHCP_RELAY_WRONG_GIADDR: DHCP relay receive a dhcp packet with wrong giaddr address. (InterfaceName=[STRING]).

Description

The DHCP relay agent received a DHCP packet with an incorrect GIADDR field value.

Parameters

Parameter Name Parameter Meaning
InterfaceName Indicates the interface name.

Possible Causes

The DHCP packet was processed by another DHCP relay agent on the network, so that information of the GIADDR field was inconsistent with that of the interface where the DHCP relay function is configured.

Procedure

  • Search for other DHCP relay agents on the network according to the interface name and GIADDR field information in the log. Check the network and determine whether the DHCP relay agent configuration is correct.

DHCP/4/DHCP_RELAY_WRONG_MAC

Message

DHCP/4/DHCP_RELAY_WRONG_MAC: DHCP relay receive a dhcp packet with wrong 'chaddr'. (CHADDR=[STRING1], MAC type=[STRING2], InterfaceName=[STRING3]).

Description

The DHCP relay receives a DHCP packet with the incorrect client MAC address.

Parameters

Parameter Name Parameter Meaning
CHADDR MAC address of the DHCP client.
MAC type
MAC address type of the DHCP client.
  • broadcast
  • multicast
InterfaceName

Name of the interface configured with the DHCP relay function.

Possible Causes

The DHCP relay receives a DHCP packet in which the client MAC address field is set to a broadcast or unicast address. To prevent attacks, the device considers this packet as an invalid packet.

Procedure

  1. Check whether there are DHCP attacks based on the client MAC address and the name of the interface that receives the packet.

    • Y=>2.
    • N=>3.

  2. Configure DHCP snooping to check validity of DHCP packets.
  3. End.

DHCP/4/DHCP_BINDTBL_ADDR_CONFLICT

Message

DHCP/4/DHCP_BINDTBL_ADDR_CONFLICT:Delete dhcp bind-table because IP address conflict.(Bind-table info: InterfaceName=[STRING], Pvlan=[ULONG], Cvlan=[ULONG], IP Address=[IPADDR], MAC Address=[STRING])

Description

A user binding table was deleted because of an IP address conflict.

Parameters

Parameter Name Parameter Meaning

InterfaceName

Indicates the interface connected to a user in the binding table.

Pvlan

Indicates information about the outer VLAN of the user in the binding table.

Cvlan

Indicates information about the inner VLAN of the user in the binding table.

IP Address

Indicates the IP address of the user in the binding table.

MAC Address

Indicates the MAC address of the user in the binding table.

Possible Causes

The IP address of a user in the binding table conflicted with the IP address of another user.

Procedure

  1. This log message is informational only, and no action is required.

DHCP/4/DHCP_INFO_LOG_DHCP_ADD_ACL_FAILED

Message

DHCP/4/DHCP_INFO_LOG_DHCP_ADD_ACL_FAILED:Add ACL failed because of no enough ACL resources.(Slot = [slot-id])

Description

ACL rules failed to be delivered because ACL resources were insufficient.

Parameters

Parameter Name Parameter Meaning
Slot Slot id.

Possible Causes

If the ACL resources are insufficient, the configured DHCP commands do not take effect.

Procedure

  1. Adjust the usage of ACL resources using either of the following methods:

    1. Run the display acl resource command to view information about ACL resources and check services that occupy many ACL resources.

    2. Run the display current-configuration command to view configuration information. Delete unused configurations to release ACl resources.

  2. Delete DHCP-related commands and reconfigure commands related to the DHCP service to redeliver the DHCP service. After performing the preceding operations, check whether the log is still generated.
    • If the log is not generated, go to step 4.
    • If the log is still generated, go to step 3.
  3. Collect log information and configuration information, and then contact technical support personnel. You can collect diagnostic information using the display diagnostic-information command.
  4. End.

DHCP/4/DHCP_INFO_LOG_DHCP_REMOTEBACKUP_FAILED

Message

DHCP/4/DHCP_INFO_LOG_DHCP_REMOTEBACKUP_FAILED:Saving the dynamic binding table to a remote server failed. Ensure that the remote server address is reachable and the user name and password and the file path are correct.

Description

DHCP snooping binding entries fail to be backed up on the remote server. Ensure that the device can connect to the server, the entered user name and password are correct, and the path for storing the binding table file is correct.

Parameters

Parameter Name Parameter Meaning
None None

Possible Causes

  • The device cannot connect to the remote server.
  • The input user name or password is incorrect.
  • The path for storing the binding table file is incorrect.

Procedure

  1. Check whether the IP address of the remote server is correct. Ensure that the device can correctly connect to the server.
  2. Ensure that the input user name or password is correct.
  3. Ensure that the path for storing the binding table file is correct.

DHCP/0/ND_SERVER_DETECT

Message

DHCP/0/ND_SERVER_DETECT:AN UNTRUSTED ND SERVER IS FOUND.(SERVER INFO: IP Address = [STRING1], MAC Address = [STRING],Interface Name = [STRING],Prefix = [STRING],Prefix len = [ULONG])

Description

The ND server information is recorded.

Parameters

Parameter Name Parameter Meaning
IP Address IP address of the server.
MAC Address MAC address of the server.
Interface Name Interface name.
Prefix Prefix name.
Prefix len Prefix length.

Possible Causes

The non-trusted interface receives RA messages from a new server on a network where ND snooping is enabled.

Procedure

  1. Check the network and search for the unauthorized server according to the server IP address.
  2. Deal with the unauthorized server based on requirements. For example, disconnect it from the network or configure a corresponding attack defense policy.

DHCP/4/DHCP_INFO_LOG_DHCP_SLAVE_LOW_SPACE

Message

DHCP/4/DHCP_INFO_LOG_DHCP_SLAVE_LOW_SPACE:There is no space for DHCP on the slave board.

Description

The slave board does not have sufficient space for the DHCP service.

Parameters

None

Possible Causes

When the service is being stored, the storage space of the slave board is insufficient.

Procedure

  1. Run the dir command to view information about all files.
  2. Run the delete /unreserved command to permanently delete expired and unused files to release the occupied storage space.

DHCP/0/DHCPV6_SERVER_DETECT

Message

DHCP/0/DHCPV6_SERVER_DETECT:A NEW SERVER IS FOUND.(SERVER INFO: IP Address = [STRING1], MAC Address = [STRING2],Interface = [STRING3])

Description

The DHCPv6 server information is recorded.

Parameters

Parameter Name Parameter Meaning
IP Address IP address of the server.
MAC Address IP address of the server.
Interface Name of the interface that receives the MAC address of the server.

Possible Causes

Messages from the new DHCPv6 server are received.

Procedure

  • If a small number of log messages are displayed, this log message is informational only and no action is required.
  • If a large number of log messages are displayed, you need to search for the unauthorized server according to the interface name, MAC address, and IP address in the logs. Deal with the unauthorized server based on requirements. For example, disconnect it from the network or configure a corresponding attack defense policy.

DHCP/0/DHCPV6RATET_DETECT

Message

DHCP/0/DHCPV6RATET_DETECT: The rate of DHCPV6 packets exceeds the speed limit. [INTEGER] packets have been discarded.

Description

DHCPv6 messages exceed the rate and the number of discarded DHCPv6 messages reaches the threshold.

Parameters

Parameter Name Parameter Meaning
[INTEGER] Number of discarded packets.

Possible Causes

DHCPv6 messages exceed the rate and the number of discarded DHCPv6 messages reaches the threshold.

Procedure

  • Run the display this include-default | include dhcpv6 packet-rate drop-alarm threshold command in the system view to check the alarm threshold for the number of DHCPv6 messages discarded when the rate of DHCPv6 messages exceeds the rate limit. Determine whether the threshold is proper based on the actual service traffic.
    • If the threshold value is proper, the device received a large number of DHCPv6 packets, indicating that an attack occurred on the network. Disconnect the device from the network or configure a corresponding attack defense policy.
    • If the threshold value is improper, run the dhcpv6 packet-rate drop-alarm threshold threshold command in the system view to modify the alarm threshold for the number of DHCPv6 messages discarded when the rate of DHCPv6 messages exceeds the rate limit.

DHCP/4/DHCPV6_ALLOC_ADDR_CONFLICT

Message

DHCP/4/DHCPV6_ALLOC_ADDR_CONFLICT:DHCPV6 client alloc address is conflict. (IP6 Address = [STRING], InterfaceName=[ STRING]).

Description

The IPv6 address requested by the DHCPv6 client conflicted.

Parameters

Parameter Name Parameter Meaning
IP6 Address This object indicates the conflicting IPv6 address.
InterfaceName This object indicates the name of the interface that requests an IPv6 address.

Possible Causes

  • The requested IPv6 address has been configured.

  • Other users in the network use the requested IPv6 network.

Procedure

  1. Run the display dhcpv6 client [ interface interface-type interface-number ] command to check whether the DHCPv6 client can request an IPv6 address. If the DHCPv6 client has requested an IPv6 address, go to step 3. If the DHCPv6 client fails to request an IPv6 address, go to step 2.
  2. Contact technical support personnel.
  3. End.

DHCP/5/REQIPV6_SUC

Message

DHCP/5/REQIPV6_SUC: The DHCPv6 client acquired IPv6 address successfully. (InterfaceName=[STRING1], Ipv6Address=[STRING2], ServerDuid=[STRING3])

Description

A DHCPv6 client obtained an IPv6 address successfully.

Parameters

Parameter Name Parameter Meaning
InterfaceName Interface name.
Ipv6Address IPv6 address obtained by the DHCPv6 client.
ServerDuid DUID of the DHCPv6 server.

Possible Causes

A DHCPv6 client obtained an IPv6 address successfully.

Procedure

  1. This log is informational only, and no action is required.

DHCP/4/PREF_LENCHK

Message

DHCP/4/PREF_LENCHK: The delegated prefix is too small to allocate all of its interfaces. (InterfaceName=[STRING1], PrefixName=[STRING2], Prefix=[STRING3], PrefixLength=[INTEGER1], RequiredPrefixLength=[INTEGER2], ServeDuid=[STRING4])

Description

The length of the IPv6 prefix bound to an interface is shorter than the length of the IPv6 prefix obtained by a DHCPv6 PD client. The interface cannot generate the global unicast IPv6 address based on the bound IPv6 prefix.

Parameters

Parameter Name Parameter Meaning
InterfaceName Interface name.
PrefixName Prefix name.
Prefix Obtained prefix.
PrefixLength Obtained prefix length.
RequiredPrefixLength Required prefix length.
ServeDuid Server DUID.

Possible Causes

The length of the IPv6 prefix bound to the interface is shorter than the length of the IPv6 prefix obtained by the DHCPv6 PD client.

Procedure

  1. Run the prefix-delegation ipv6-prefix/ipv6-prefix-length assign-prefix-length command to change the prefix length bound to the IPv6 address pool.

DHCP/5/GW_RENEW

Message

DHCP/5/GW_RENEW: The gateway assigned by a DHCP server changed. (Client InterfaceName=[STRING1], ServerId=[IPADDR], Old Gateway=[STRING2], New Gateway=[STRING3])

Description

The gateway address assigned by the DHCP server changed.

Parameters

Parameter Name Parameter Meaning
Client InterfaceName Name of the interface to which the client is connected.
ServerId DHCP server ID.
Old Gateway Original gateway address.
New Gateway New gateway address.

Possible Causes

The gateway address assigned by the DHCP server changed.

Procedure

  1. This log is informational only, and no action is required.

DHCP/4/PREF_UPDATE

Message

DHCP/4/PREF_UPDATE: The IPv6 prefix assigned by a DHCPv6 server changed. (InterfaceName=[STRING1], OldPrefix=[STRING2], NewPrefix=[STRING3], ServerDuid=[STRING4])

Description

The IPv6 prefix assigned by the DHCPv6 server changed.

Parameters

Parameter Name Parameter Meaning
InterfaceName Interface name.
OldPrefix Original IPv6 prefix.
NewPrefix New IPv6 prefix.
ServerDuid Server DUID.

Possible Causes

The IPv6 prefix assigned by the DHCPv6 server changed.

Procedure

  1. This log is informational only, and no action is required.

DHCP/5/REQPREF_SUC

Message

DHCP/5/REQPREF_SUC: The DHCPv6 client acquired IPv6 prefix successfully. (InterfaceName=[STRING1], Prefix=[STRING2], PrefixLength=[INTEGER], ServerDuid=[STRING3])

Description

A DHCPv6 client obtained an IPv6 prefix successfully.

Parameters

Parameter Name Parameter Meaning
InterfaceName Interface name.
Prefix IPv6 prefix obtained by the DHCPv6 client.
PrefixLength IPv6 prefix length.
ServerDuid DUID of the DHCPv6 server.

Possible Causes

A DHCPv6 client obtained an IPv6 prefix successfully.

Procedure

  1. This log is informational only, and no action is required.

DHCP/4/IPCON_IF

Message

DHCP/4/IPCON_IF: The IP address assigned by a DHCP server conflicted with another interface. (Client InterfaceName=[interface-name], ServerId=[ip-address], Assigned IpAddress=[assigned-ip-address])

Description

The IP address allocated for the interface conflicted with that of another interface on the device.

Parameters

Parameter Name Parameter Meaning

interface-name

Indicates the interface name of the DHCP client.

ip-address

Indicates the IP address of the DHCP server.

assigned-ip-address

Indicates the IP address obtained by the interface from the DHCP server.

Possible Causes

The IP address allocated for the interface conflicted with that of another interface on the device.

Procedure

  1. Run the display current-configuration command to check the configuration of DHCP.
    • Yes => Run the display ip interface brief command to check the settings of interfaces on the device, and then find the interfaces of the same IP address. Then run the ip address command to change the IP address of the interface.
    • No => Re-configure DHCP according to the requirement. For details on how to configure DHCP, refer to DHCP Configuration in the S12700 V200R013C00 Configuration Guide - IP Service.

DHCP/4/NAK

Message

DHCP/4/NAK: The DHCP client received a NAK packet from a DHCP server. (Client InterfaceName=[interface-name], ServerId=[ip-address])

Description

The interface received the NAK packet from the DHCP server.

Parameters

Parameter Name Parameter Meaning

Client InterfaceName

Indicates the name of the interface for which the IP address is applied for again.

ServerId

Indicates the IP address of the DHCP server.

Possible Causes

The IP address obtained by the interface is inconsistent with the lease IP address saved on the DHCP server.

Procedure

  1. If the interface keeps receiving NAK packets from the DHCP server, check whether the DHCP server configuration is correct.
    • If the DHCP server configuration is correct, go to step 2.
    • If the DHCP server configuration is incorrect, go to step 3.
  2. No action is required and the DHCP client will request an IP address again.
  3. Modify the DHCP server configuration.

DHCP/5/REQIP

Message

DHCP/5/REQIP: The DHCP client acquired IP address successfully. (Client InterfaceName=[interface-name], ServerId=[ip-address], Acquired IpAddress=[acquired-ip-address], Mask=[mask], Gateway=[gateway-address], Static Route=[static-route])

Description

The interface succeeded to apply for an IP address from the DHCP server.

Parameters

Parameter Name Parameter Meaning

interface-name

Indicates the interface name of the DHCP Client.

ip-address

Indicates the IP address of the DHCP server.

acquired-ip-address

Indicates the IP address allocated to the DHCP Client.

mask

Indicates the mask.

gateway-address

Indicates the gateway address.

static-route

Indicates the static route.

Possible Causes

The interface succeeds to apply for an IP address from the DHCP server.

Procedure

  • This log message indicates a normal situation, and no action is required.

DHCP/5/RT_RENEW

Message

DHCP/5/RT_RENEW: The static route assigned by a DHCP server changed. (Client InterfaceName=[interface-name], ServerId=[ip-address], Old StaticRoute=[old-static-route], New StaticRoute=[new-static-route])

Description

The static route obtained by the interface from the DHCP server was changed.

Parameters

Parameter Name Parameter Meaning

interface-name

Indicates the interface name.

ip-address

Indicates the IP address of the DHCP server.

old-static-route

Indicates the static route before the change.

new-static-route

Indicates the static route after the change.

Possible Causes

Option 33 or option 121 configured on the DHCP server was changed.

Procedure

  • This log message indicates a normal situation, and no action is required.

DHCP/4/DHCP_DELIVCONFIG_LPU_FAILED

Message

DHCP/4/DHCP_DELIVCONFIG_LPU_FAILED: Failed to deliver the LPU configuration. (Configuration view=[STRING], configuration=[STRING], Slot=[STRING])

Description

Related configurations of the function of checking abnormal packets failed to be delivered on the LPU.

Parameters

Parameter Name Parameter Meaning

Configuration view

Configuration view.

configuration

Configuration content.

Slot

Slot ID.

Possible Causes

The configuration of the dhcp anti-attack check magic-cookie or dhcp anti-attack check udp-checksum command fails to be delivered on the LPU.

Procedure

  • After the undo dhcp anti-attack check magic-cookie or undo dhcp anti-attack check udp-checksum command is run, run the dhcp anti-attack check magic-cookie or dhcp anti-attack check udp-checksum command again to redeliver the configuration.

DHCP/4/ENQUEUE_FAILED

Message

DHCP/4/ENQUEUE_FAILED: "The number of the DHCP discarded packets that Write queue fail. (DiscardedNumber=[STRING], Type=[INTEGER], UTC=[INTEGER])"

Description

Statistics on DHCPv4 or DHCPv6 messages discarded because they fail to be written into the queue are collected.

Parameters

Parameter Name Parameter Meaning
DiscardedNumber Number of discarded messages.
Type Packet type. The value can be:
  • DHCPv4: Statistics on discarded DHCPv4 messages.
  • DHCPv6: Statistics on discarded DHCPv6 messages.
UTC Timestamp.

Possible Causes

The queue for DHCPv4 or DHCPv6 messages is full.

Procedure

  • When a user login suspends, the message queue is automatically cleared. After the queue is cleared, the user can go online again.

DHCP/6/SNP_RCV_MSG

Message

DHCP/6/SNP_RCV_MSG: "DHCP snooping received a message. (Msgtype=[STRING], UserMac=[STRING], Vlan=[INTEGER], TransId=[STRING], ClientIp=[STRING], RequestIp=[STRING], ServerIp=[STRING], YourIp=[STRING], RelayIp=[STRING], SrcMac=[STRING], DstMac=[STRING], SrcIp=[STRING], DstIp=[STRING], BFlag=[INTEGER], UTC=[INTEGER])"

Description

A DHCP snooping-enabled device receives a DHCP message.

Parameters

Parameter Name Parameter Meaning
Msgtype Indicates the type of the received DHCP message.
UserMac Indicates the user's MAC address.
Vlan Indicates the VLAN to which the user belongs.
TransId Indicates the transaction ID of the received message.
ClientIp Indicates the IP address of the DHCP client.
RequestIp Indicates the IP address requested by the DHCP client.
ServerIp Indicates the IP address of the DHCP server.
YourIp Indicates the IP address assigned by the DHCP server to the DHCP client.
RelayIp Indicates the IP address of the DHCP relay agent.
SrcMac Indicates the source MAC address of the DHCP message.
DstMac Indicates the destination MAC address of the DHCP message.
SrcIp Indicates the source IP address of the DHCP message.
DstIp Indicates the destination IP address of the DHCP message.
BFlag Indicates the BOOTP flap in the DHCP message.
UTC Indicates the time stamp.

Possible Causes

This log is recorded if a DHCP snooping-enabled device receives a DHCP message including a DHCP Discover, DHCP Offer, DHCP Request, DHCP ACK, DHCP NAK, DHCP Decline, DHCP Release, and DHCP Inform message.

Procedure

  • This log is informational only, and no action is required.
Translation
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Updated: 2019-04-09

Document ID: EDOC1100065665

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