Contents

HH3C-TRAP-MIB· 1

About this MIB· 1

MIB file name· 1

Notifications· 1

hh3cArpTabFullTrap· 1

hh3cRtTabFullTrap· 2

hh3cNdTabFullTrap· 3

hh3cPeriodicalTrap· 4

 

 

HH3C-TRAP-MIB

About this MIB

Use this MIB to enable the device to send a notification to a network management station when a specific event occurs, such as a MAC address table getting full.

MIB file name

hh3c-trap.mib

Notifications

hh3cArpTabFullTrap

Basic information

OID	Event	Type	Severity	Recovery notification	Default status
1.3.6.1.4.1.25506.2.38.1.2.4.1	ARP table full	Informational	Major	N/A (N/A)	ON

 

Notification triggers

This notification is generated when the ARP table gets full.

System impact

New entries cannot be added to the ARP table, and services might be affected.

Status control

This notification cannot be disabled.

Object

OID (object name)	Description	Index	Type	Value range
1.3.6.1.4.1.25506.2.38.1.2.3.1 (hh3cArpTabLen)	Length of the ARP table.	N/A	Integer32	Standard MIB values.

 

Recommended action

1.Use the display arp entry-limit command to display the maximum number of ARP entries that a device supports.

2.Use the display arp all count command to display all ARP entries. Check the Total number of entries field in the output from the command to identify whether the number of ARP entries has reached the limit supported by the device.

3.Use the display arp all command to display the numbers of static and dynamic ARP entries.

  - If the number of static ARP entries is larger than the number of dynamic ARP entries, go to step 4.

  - If the number of dynamic ARP entries is larger than the number of static ARP entries, go to step 5.

4.Identify whether the configured static ARP entries are required based on network planning and service deployment.

  - If the static ARP entries are required, go to step 6.

  - If the static ARP entries are not required, use the undo arp command to delete an ARP entry or use the reset arp static command to clear all static ARP entries without affecting running services.

5.Use the arp max-learning-number command to change the dynamic ARP learning limit on the device to a smaller number. For an interface that has a large number of dynamic ARP entries, use the arp max-learning-num command to change the dynamic ARP learning limit on that interface to a smaller number.

6.If the issue persists, collect configuration file and alarm information, and contact H3C Support.

hh3cRtTabFullTrap

Basic information

OID	Event	Type	Severity	Recovery notification	Default status
1.3.6.1.4.1.25506.2.38.1.3.5.1	Routing table full	Informational	Major	N/A (N/A)	ON

 

Notification triggers

This notification is generated when the number of routes in the routing table for the public network exceeds the upper limit.

System impact

New entries cannot be added to the routing table for the public network, and traffic interruption might occur.

Status control

This notification cannot be disabled.

Object

OID (object name)	Description	Index	Type	Value range
1.3.6.1.4.1.25506.2.38.1.3.4.1 (hh3cRtTabLen)	Length of the routing table.	N/A	Integer32	Standard MIB values.

 

Recommended action

1.Use the display ip routing-table summary command to check the values for the Max Active Route and Remain Active Route fields to identify whether the number of routes for the public network has reached the upper limit.

2.Use the display ip routing-table statistics command to identify whether the number of routes for each protocol is as expected.

  - If the numbers are as expected, use the ip public-instance command to enter public instance view and change the maximum number of active IPv4/IPv6 routes supported by the device to a larger value.

  - If the numbers are not as expected, change the route settings for the target protocols as needed and then perform step 1 again. For more information about how to change the route settings for the target protocols, see the related protocol configuration guide.

3.If the issue persists, collect configuration file, log, and alarm information, and contact H3C Support.

hh3cNdTabFullTrap

Basic information

OID	Event	Type	Severity	Recovery notification	Default status
1.3.6.1.4.1.25506.2.38.1.5.4.1	ND table full	Informational	Major	N/A (N/A)	ON

 

Notification triggers

This notification is generated when the number of ND entries in the ND table reaches the upper limit.

System impact

New entries cannot be added to the ND table, and services might be affected.

Status control

This notification cannot be disabled.

Object

OID (object name)	Description	Index	Type	Value range
1.3.6.1.4.1.25506.2.38.1.5.3.1 (hh3cNdTabLen)	Length of the ND table.	N/A	Integer32	Standard MIB values.

 

Recommended action

1.Use the display ipv6 neighbors entry-limit command to display the maximum number of ND entries that a device supports.

2.Use the display ipv6 neighbors all count command to display all ND entries. Check the Total number of entries field in the output from the command to identify whether the number of ND entries has reached the limit supported by the device.

3.Use the display ipv6 neighbors all command to display the numbers of static and dynamic ND entries.

  - If the number of static ND entries is larger than the number of dynamic ND entries, go to step 4.

  - If the number of dynamic ND entries is larger than the number of static ND entries, go to step 5.

4.Identify whether the configured static ND entries are required based on network planning and service deployment.

  - If the static ND entries are required, go to step 6.

  - If the static ND entries are not required, use the undo ipv6 neighbor command to delete an ND entry or use the reset ipv6 neighbors static command to clear all static ND entries without affecting running services.

5.Use the ipv6 neighbors max-learning-number command to change the dynamic ND learning limit on the device to a smaller number. For an interface that has a large number of dynamic ND entries, use the ipv6 neighbors max-learning-num command to change the dynamic ND learning limit on that interface to a smaller number.

6.If the issue persists, collect configuration file and alarm information, and contact H3C Support.

hh3cPeriodicalTrap

Basic information

OID	Event	Type	Severity	Recovery notification	Default status
1.3.6.1.4.1.25506.2.38.1.6.3.0.1	SNMP periodical trap	Informational	Warning	N/A (N/A)	ON

 

Notification triggers

If no trap occurs during the interval specified by hh3cPeriodicalTrapInterval, an hh3cPeriodicalTrap is generated. If the interval is set to 0, no hh3cPeriodicalTrap will be generated.

System impact

No impact on services. If this notification is received, it indicates that the device can send notifications correctly.

Status control

ON

MIB: Set hh3cPeriodicalTrapSwitch to enable(1).

OFF

MIB: Set hh3cPeriodicalTrapSwitch to disable(2).

Object

OID (object name)	Description	Index	Type	Value range
N/A (N/A)	N/A	N/A	N/A	N/A

 

Recommended action

No action is required.