arpnd

ipArpEntryUpdated

Table 1. ipArpEntryUpdated properties

Property name

Value

Application name

arpnd

Event name

ipArpEntryUpdated

Default severity

informational

Message format string

The ARP entry for ipv4-address on interface.subinterface-index has been updated from mac old-mac type old-type to mac new-mac and type new-type.

Cause

This event is generated whenever an existing static or dynamic ARP entry for an IPv4 address is overwritten. This could be a triggered by a change of entry type (static vs dynamic) or a change of MAC address or a change of the subinterface binding.

Effect

None

ipSubinterfaceDuplicateIpv4Address

Table 2. ipSubinterfaceDuplicateIpv4Address properties

Property name

Value

Application name

arpnd

Event name

ipSubinterfaceDuplicateIpv4Address

Default severity

notice

Message format string

The IPv4 address ipv4-address assigned to interface.subinterface-index is being used by another host or router on the same subnet.

Cause

This event is generated when ARP detects that another system is using the same IPv4 address

Effect

Unreliable communications

ipSubinterfaceDuplicateIpv6Address

Table 3. ipSubinterfaceDuplicateIpv6Address properties

Property name

Value

Application name

arpnd

Event name

ipSubinterfaceDuplicateIpv6Address

Default severity

notice

Message format string

The IPv6 address ipv6-address assigned to interface.subinterface-index is being used by another host or router on the same subnet.

Cause

This event is generated when IPv6 DAD detects that another system is using the same IPv6 address

Effect

Unreliable communications

ipSubinterfaceDuplicateMacAddress

Table 4. ipSubinterfaceDuplicateMacAddress properties

Property name

Value

Application name

arpnd

Event name

ipSubinterfaceDuplicateMacAddress

Default severity

notice

Message format string

The MAC address mac-address used by interface.subinterface-index is being used by another host or router on the same subnet.

Cause

This event is generated when ARP or IPv6 Neighbor Discovery detects that another system is using the same MAC address

Effect

Unreliable communications

ipSubinterfaceInvalidArp

Table 5. ipSubinterfaceInvalidArp properties

Property name

Value

Application name

arpnd

Event name

ipSubinterfaceInvalidArp

Default severity

notice

Message format string

An ARP request for ipv4-address was received on interface.subinterface-index and there is no matching IPv4 subnet.

Cause

This event is generated when ARP receives an ARP request for an invalid IPv4 address

Effect

None

ipSubinterfaceInvalidIpv6NeighborSolicitation

Table 6. ipSubinterfaceInvalidIpv6NeighborSolicitation properties

Property name

Value

Application name

arpnd

Event name

ipSubinterfaceInvalidIpv6NeighborSolicitation

Default severity

notice

Message format string

An IPv6 neighbor solicitation for ipv6-address was received on interface.subinterface-index and there is no matching IPv6 subnet.

Cause

This event is generated when IPv6 neighbor discovery receives a NS message for an invalid IPv6 address

Effect

None

ipv6NeighborEntryUpdated

Table 7. ipv6NeighborEntryUpdated properties

Property name

Value

Application name

arpnd

Event name

ipv6NeighborEntryUpdated

Default severity

informational

Message format string

The IPv6 neighbor discovery entry for ipv6-address on interface.subinterface-index has been updated from mac old-mac type old-type to mac new-mac and type new-type.

Cause

This event is generated whenever an existing static or dynamic neighbor entry for an IPv6 address is overwritten. This could be a triggered by a change of entry type (static vs dynamic) or a change of MAC address or a change of the subinterface binding.

Effect

None