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E9000 Server V100R001 HMM Alarm Handling 19

This document describes E9000 server alarms in terms of the meaning, impact on the system, possible causes, and solutions.
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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).
BFD

BFD

BFD_1.3.6.1.4.1.2011.5.25.38.3.1 hwBfdSessDown

Description

Session changes to DOWN. (Index=[Index], ConfigurationName=[ConfigurationName], PeerIp=[PeerIp], BindIfIndex=[BindIfIndex], BindIfName=[BindIfName], Diagnosis=[Diagnosis], BindVrfIndex=[BindVrfIndex], BindVpnName=[BindVpnName], SessionType=[SessionType], DefaultIp=[DefaultIp], BindType=[BindType], StaticLspName=[StaticLspName], PwSecondary=[PwSecondary], NextHop=[NextHop], VcId=[VcId], VsiName=[VsiName], VsiPeerAddress=[VsiPeerAddress], DiscrAuto=[DiscrAuto], PeerIpv6=[PeerIpv6], Ipv6NextHop=[Ipv6NextHop])

The trap was generated when the BFD session changed from another state to the Down state.

The statuses of the BFD session include: Up, Init, Down, and AdmDown.

Attributes

Attribute

Description

Alarm or Event

Event

Trap Severity

Warning

Mnemonic Code

hwBfdSessDown

Trap OID

1.3.6.1.4.1.2011.5.25.38.3.1

Alarm ID

This is an event trap and does not involve alarm ID.

Alarm Type

This is an event trap and does not involve alarm type.

Raise or Clear

This is an event trap and does not involve alarm generation or clearance.

Match trap

This is an event trap and does not involve the match trap.

Parameters

Parameter

Description

OID

Indicates the ID of the MIB object.

Index

Indicates the index of the BFD session.

ConfigurationName

Indicates the configuration name of the BFD session.

PeerIp

Indicates the bound destination IP address.

BindIfIndex

Indicates the index of the bound interface.

BindIfName

Indicates the name of the bound interface.

Diagnosis

Indicates information about session diagnostic characters.

BindVrfIndex

Indicates the index of the bound VPN.

BindVpnName

Indicates the name of the bound VPN.

SessionType

Indicates the type of the BFD session.

  • 1: Static, indicates the statically configured BFD session.
  • 2: Dynamic, indicates the dynamically established BFD session.
  • 3: Entire_Dynamic, indicates that the establishment of a BFD session is triggered entirely dynamically. This type of BFD session is created only after the function of passively creating BFD sessions is enabled on the egress router of the LSP.
  • 4: Static_Auto, indicates the static BFD session that is established with automatically negotiated discriminators.

DefaultIp

Indicates the default multicast IP address.

BindType

Indicates the binding type.

  • 2 or 3: Peer Ip Address, detects the multi-hop IP link.
  • 1 or 4: Interface, detects the single-hop IP link.
  • 9: LDP_LSP, detects the LDP LSP.
  • 11: TE_LSP, detects the LSP bound to the TE tunnel.
  • 12: TE_TUNNEL, detects the TE tunnel.
  • 13: PW, detects the PW.
  • 15: VSI_PW, detects the VSI PW.

StaticLspName

Indicates the name of the static LSP.

PwSecondary

Indicates the ID of the secondary PW.

NextHop

Indicates the IP address of the next hop.

VcId

Indicates the ID of the VC.

VsiName

Indicates the name of the VSI.

VsiPeerAddress

Indicates the destination address of the VSI.

DiscrAuto

Indicates the static auto-negotiation identifier.

PeerIpv6

Indicates the bound destination IPv6 address.

Ipv6NextHop

Indicates the next-hop IPv6 address.

VB

VB OID

VB Name

VB Index

1.3.6.1.4.1.2011.5.25.38.2.3.1.4

hwBfdSessCfgName

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.5

hwBfdSessPeerAddr

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.6

hwBfdSessBindIfIndex

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.7

hwBfdSessBindIfName

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.18

hwBfdSessDiag

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.20

hwBfdSessVrfIndex

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.21

hwBfdSessVPNName

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.22

hwBfdSessType

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.24

hwBfdSessDefaultIp

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.26

hwBfdSessBindType

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.28

hwBfdSessStaticLspName

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.30

hwBfdSessPWSecondaryFlag

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.27

hwBfdSessNextHop

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.32

hwBfdSessVcId

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.33

hwBfdSessVsiName

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.34

hwBfdSessVsiPeerAddr

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.35

hwBfdSessDiscrAuto

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.36

hwBfdSessPeerIpv6Addr

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.38

hwBfdSessIpv6NextHop

hwBfdSessIndex

Impact on the System

If a large number BFD session states flap that results in high CPU utilization rate. Except for this, no service will be affected.

Possible Causes

Cause 1:

The session-bound interface goes down.

Cause 2:

The peer BFD session is deleted or shut down.

Cause 3:

The link went Down or was congested. Consequently, it failed to forward packets.

Procedure
  1. Run the display interface command to check whether the physical status of the interface where the session resides is Up.
  • If so, go to Step 2.
  • If not, go to Step 6.
  1. Check whether a message reporting alarm recovery is received.

    • If so, go to Step 6.
    • If not, go to Step 3.

  2. Run the display bfd session all command to check whether the BFD sessions on the local end and on the remote end are deleted.

    • If so, go to Step 6.
    • If not, go to Step 4.

  3. Run the ping ip-address command to check whether the link detected by the BFD session fails to forward packets.

    • If so, go to Step 6.
    • If not, go to Step 5.

  4. Collect configurations, trap messages, and log messages, and then contact technical support personnel.
  5. End.

BFD_1.3.6.1.4.1.2011.5.25.38.3.2 hwBfdSessUp

Description

Session changes to UP. (Index=[Index], ConfigurationName=[ConfigurationName], PeerIp=[PeerIp], BindIfIndex=[BindIfIndex], BindIfName=[BindIfName], Diagnosis=[Diagnosis], BindVrfIndex=[BindVrfIndex], BindVpnName=[BindVpnName], SessionType=[SessionType], DefaultIp=[DefaultIp], BindType=[BindType], StaticLspName=[StaticLspName], PwSecondary=[PwSecondary], NextHop=[NextHop], VcId=[VcId], VsiName=[VsiName], VsiPeerAddress=[VsiPeerAddress], DiscrAuto=[DiscrAuto], PeerIpv6=[PeerIpv6], Ipv6NextHop=[Ipv6NextHop])

The trap was generated when the BFD session changed from another state to the Up state.

The statuses of the BFD session include: Up, Init, Down, and AdmDown.

Attributes

Attribute

Description

Alarm or Event

Event

Trap Severity

Warning

Mnemonic Code

hwBfdSessUp

Trap OID

1.3.6.1.4.1.2011.5.25.38.3.2

Alarm ID

This is an event trap and does not involve alarm ID.

Alarm Type

This is an event trap and does not involve alarm type.

Raise or Clear

This is an event trap and does not involve alarm generation or clearance.

Match trap

This is an event trap and does not involve the match trap.

Parameters

Parameter

Description

OID

Indicates the ID of the MIB object.

Index

Indicates the index of the BFD session.

ConfigurationName

Indicates the configuration name of the BFD session.

PeerIp

Indicates the bound destination IP address.

BindIfIndex

Indicates the index of the bound interface.

BindIfName

Indicates the name of the bound interface.

Diagnosis

Indicates information about session diagnostic characters.

BindVrfIndex

Indicates the index of the bound VPN.

BindVpnName

Indicates the name of the bound VPN.

SessionType

Indicates the type of the BFD session.

  • 1: Static, indicates the statically configured BFD session.
  • 2: Dynamic, indicates the dynamically established BFD session.
  • 3: Entire_Dynamic, indicates that the establishment of a BFD session is triggered entirely dynamically. This type of BFD session is created only after the function of passively creating BFD sessions is enabled on the egress router of the LSP.
  • 4: Static_Auto, indicates the static BFD session that is established with automatically negotiated discriminators.

DefaultIp

Indicates the default multicast IP address.

BindType

Indicates the binding type.

  • 2 or 3: Peer Ip Address, detects the multi-hop IP link.
  • 1 or 4: Interface, detects the single-hop IP link.
  • 9: LDP_LSP, detects the LDP LSP.
  • 11: TE_LSP, detects the LSP bound to the TE tunnel.
  • 12: TE_TUNNEL, detects the TE tunnel.
  • 13: PW, detects the PW.
  • 15: VSI_PW, detects the VSI PW.

StaticLspName

Indicates the name of the static LSP.

PwSecondary

Indicates the ID of the secondary PW.

NextHop

Indicates the IP address of the next hop.

VcId

Indicates the ID of the VC.

VsiName

Indicates the name of the VSI.

VsiPeerAddress

Indicates the destination address of the VSI.

DiscrAuto

Indicates the static auto-negotiation identifier.

PeerIpv6

Indicates the bound destination IPv6 address.

Ipv6NextHop

Indicates the next-hop IPv6 address.

VB

VB OID

VB Name

VB Index

1.3.6.1.4.1.2011.5.25.38.2.3.1.4

hwBfdSessCfgName

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.5

hwBfdSessPeerAddr

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.6

hwBfdSessBindIfIndex

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.7

hwBfdSessBindIfName

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.18

hwBfdSessDiag

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.20

hwBfdSessVrfIndex

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.21

hwBfdSessVPNName

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.22

hwBfdSessType

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.24

hwBfdSessDefaultIp

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.26

hwBfdSessBindType

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.28

hwBfdSessStaticLspName

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.30

hwBfdSessPWSecondaryFlag

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.27

hwBfdSessNextHop

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.32

hwBfdSessVcId

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.33

hwBfdSessVsiName

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.34

hwBfdSessVsiPeerAddr

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.35

hwBfdSessDiscrAuto

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.36

hwBfdSessPeerIpv6Addr

hwBfdSessIndex

1.3.6.1.4.1.2011.5.25.38.2.3.1.38

hwBfdSessIpv6NextHop

hwBfdSessIndex

Impact on the System

After the trap function is enabled, if a large number of BFD sessions flap, high CPU will be utilized. Except for this, no service will be affected.

Possible Causes

Cause 1:

A BFD session was created. That is, the BFD session changed from Init to Up.

Cause 2:

The undo shutdown command was run to restore the BFD session. That is, the BFD session changed from AdmDown to Up.

Cause 3:

The BFD session changed from Down to Up.

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

BFD_1.3.6.1.4.1.2011.5.25.38.3.3 hwBfdSessReachLimit

Description

The session number in all the IO boards has reached the limit, the new session can not be created. (TotalSessionLimit=[TotalSessionLimit])

The number of global BFD sessions exceeded the upper limit.

Attributes

Attribute

Description

Alarm or Event

Event

Trap Severity

Warning

Mnemonic Code

hwBfdSessReachLimit

Trap OID

1.3.6.1.4.1.2011.5.25.38.3.3

Alarm ID

This is an event trap and does not involve alarm ID.

Alarm Type

This is an event trap and does not involve alarm type.

Raise or Clear

This is an event trap and does not involve alarm generation or clearance.

Match trap

This is an event trap and does not involve the match trap.

Parameters

Parameter

Description

SessLimitNumber

Upper limit of global BFD sessions

VB

VB OID

VB Name

VB Index

1.3.6.1.4.1.2011.5.25.38.1.3

hwBfdSessLimitNumber

None

Impact on the System

No more BFD sessions can be set up.

Possible Causes

New BFD sessions were set up when the maximum number of BFD sessions allowed for each interface had been set up.

Procedure
  1. Stop configuring BFD sessions.
  2. Delete unwanted BFD sessions.
  3. Collect log messages and contact technical support personnel.
  4. End.

BFD_1.3.6.1.4.1.2011.5.25.38.3.4 hwBfdSessReachLimitBindIf

Description

Try to build session, but the session number in the IO board with interface has reached the limit, the new session binding with interface can not be created. (ConfigurationName=[ConfigurationName], InterfaceName=[InterfaceName], SessionLimitPerBoard=[SessionLimitPerBoard])

The trap was generated when the number of BFD sessions bound to the interface on the interface board reached the PAF upper limit and no more BFD session bound to the interface can be set up.

Attributes

Attribute

Description

Alarm or Event

Event

Trap Severity

Warning

Mnemonic Code

hwBfdSessReachLimitBindIf

Trap OID

1.3.6.1.4.1.2011.5.25.38.3.4

Alarm ID

This is an event trap and does not involve alarm ID.

Alarm Type

This is an event trap and does not involve alarm type.

Raise or Clear

This is an event trap and does not involve alarm generation or clearance.

Match trap

This is an event trap and does not involve the match trap.

Parameters

Parameter

Description

ConfigurationName

Indicates the configuration name of the BFD session.

InterfaceName

Indicates the interface name.

SessionLimitPerBoard

Indicates the allowable maximum number of BFD sessions on each board.

VB

VB OID

VB Name

VB Index

1.3.6.1.4.1.2011.5.25.38.2.2.1.7

hwBfdSessConfBindIfName

hwBfdSessConfName

1.3.6.1.4.1.2011.5.25.38.1.4

hwBfdSessInterfaceLimitNumber

None

Impact on the System

Services will not be affected.

Possible Causes

New BFD sessions bound to the interface were still set up when the number of BFD sessions bound to the interface have reached the upper limit.

Procedure
  1. Run the display bfd statistics command to check whether the BFD_IO_SESSION_NUM on the board has reached the upper limmit.
  • If so, go to Step2.
  • If not, go to Step3.
  1. Delete the useless BFD session which bound to this interface, and then the BFD session about committed configuration will be set up. Go to step4.
  2. Collect configurations, trap messages, and log messages, and then contact technical support personnel.
  3. End.
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Updated: 2018-08-16

Document ID: EDOC1000015902

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