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Home Documentation Junos OS Junos CLI Reference CLI Reference S

Junos CLI Reference

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Junos CLI Reference
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show isis layer2-map

date_range 19-Nov-23
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Syntax

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show isis layer2-map
<destination>
<instance instance-name>
<logical-system (all | logical-system-name)>

Description

Display the details of the Layer 2 ARP or neighbor discovery next hops and the mapped data link address in the kernel for the routing instances.

Options

none

Display all the Layer 2 mappings in the kernel for all supported address families for all routing instances.

destination

(Optional) Display the Layer 2 mapping for a specified destination address.

instance instance-name

(Optional) Display the Layer 2 mapping for the specified routing instance only.

logical-system (all | logical-system-name)

(Optional) Perform this operation on all logical systems or on a particular logical system.

Required Privilege Level

view

Output Fields

Table 1 describes the output fields for the show isis layer2-map command. Output fields are listed in the approximate order in which they appear.

Table 1: show isis layer2-map Output Fields

Field Name

Field Description

Interface

The interface name of the next hop.

IP address

IP address of the next hop.

IPv4 records

Total number of IPv4 records.

IPv6 records

Total number of IPv6 records.

SNPA

The subnetwork point of attachment (SNPA) indicates the data link address of the next hop.

State

State of the next hop. This field can have one of the following values:

  • Delete—The specified entry is deleted.

  • Disabled—The Layer 2 mapping is disabled.

  • Rexmit—This additional state is displayed along with other states for entries that need to be retransmitted

  • Sent—The entry was sent or added to the kernel.

Refresh

Time in seconds before the next hop is refreshed.

Sample Output

show isis layer2-map

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user@host> show isis layer2-map logical-system all
logical-system: r2
Layer2 mapping database for instance master

IP Address                             Interface  SNPA              Refresh  State
12.0.0.1                               lt-1/2/0.21 b0:c6:9a:2c:d8:bc 00:14:34 Sent              

  IPv4 records: 1
  IPv6 records: 0

-----
 
logical-system: r1

Layer2 mapping database for instance master

IP Address                             Interface  SNPA              Refresh  State
12.0.0.2                               lt-1/2/0.12 b0:c6:9a:2c:d8:bd 00:14:34 Sent              

  IPv4 records: 1
  IPv6 records: 0

Release Information

Command introduced in Junos OS Release 16.1.

Related Documentation

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