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    show ethernet-switching table (View)

    Syntax

    show ethernet-switching table (brief |detail |extensive) interface interface-name

    Release Information

    Command introduced in Release 9.5 of Junos OS.

    Description

    Displays the Ethernet switching table.

    Options

    • none—(Optional) Display brief information about the Ethernet-switching table.
    • brief | detail | extensive—(Optional) Display the specified level of output.
    • interface-name—(Optional) Display the Ethernet-switching table for a specific interface.

    Required Privilege Level

    view

     
     

    Output Fields

    Table 1 lists the output fields for the show ethernet-switching table command. Output fields are listed in the approximate order in which they appear.

    Table 1: show ethernet-switching table Output Fields

    Field Name

    Field Description

    VLAN

    The name of a VLAN.

    MAC address

    The MAC address associated with the VLAN.

    Type

    The type of MAC address. Values are:

    • static—The MAC address is manually created.
    • learn—The MAC address is learned dynamically from a packet's source MAC address.
    • flood—The MAC address is unknown and flooded to all members.

    Age

    The time remaining before the entry ages out and is removed from the Ethernet switching table.

    Interfaces

    Interface associated with learned MAC addresses or All-members (flood entry).

    Learned

    For learned entries, the time which the entry was added to the Ethernet-switching table.

    Sample Output

    show ethernet-switching table

    user@host> show ethernet-switching table
    Ethernet-switching table: 57 entries, 17 learned
    VLAN MAC address Type Age Interfaces
    F2 * Flood - All-members
    F2 00:00:05:00:00:03 Learn 0 ge-0/0/44.0
    F2 00:19:e2:50:7d:e0 Static - Router
    Linux * Flood - All-members
    Linux 00:19:e2:50:7d:e0 Static - Router
    Linux 00:30:48:90:54:89 Learn 0 ge-0/0/47.0
    T1 * Flood - All-members
    T1 00:00:05:00:00:01 Learn 0 ge-0/0/46.0
    T1 00:00:5e:00:01:00 Static - Router
    T1 00:19:e2:50:63:e0 Learn 0 ge-0/0/46.0
    T1 00:19:e2:50:7d:e0 Static - Router
    T10 * Flood - All-members
    T10 00:00:5e:00:01:09 Static - Router
    T10 00:19:e2:50:63:e0 Learn 0 ge-0/0/46.0
    T10 00:19:e2:50:7d:e0 Static - Router
    T111 * Flood - All-members
    T111 00:19:e2:50:63:e0 Learn 0 ge-0/0/15.0
    T111 00:19:e2:50:7d:e0 Static - Router
    T111 00:19:e2:50:ac:00 Learn 0 ge-0/0/15.0
    T2 * Flood - All-members
    T2 00:00:5e:00:01:01 Static - Router
    T2 00:19:e2:50:63:e0 Learn 0 ge-0/0/46.0
    T2 00:19:e2:50:7d:e0 Static - Router
    T3 * Flood - All-members
    T3 00:00:5e:00:01:02 Static - Router
    T3 00:19:e2:50:63:e0 Learn 0 ge-0/0/46.0
    T3 00:19:e2:50:7d:e0 Static - Router
    T4 * Flood - All-members
    T4 00:00:5e:00:01:03 Static - Router
    T4 00:19:e2:50:63:e0 Learn 0 ge-0/0/46.0
    [output truncated]
    

    Sample Output

    show ethernet-switching table brief

    user@host> show ethernet-switching table brief
    Ethernet-switching table: 57 entries, 17 learned
    VLAN MAC address Type Age Interfaces
    F2 * Flood - All-members
    F2 00:00:05:00:00:03 Learn 0 ge-0/0/44.0
    F2 00:19:e2:50:7d:e0 Static - Router
    Linux * Flood - All-members
    Linux 00:19:e2:50:7d:e0 Static - Router
    Linux 00:30:48:90:54:89 Learn 0 ge-0/0/47.0
    T1 * Flood - All-members
    T1 00:00:05:00:00:01 Learn 0 ge-0/0/46.0
    T1 00:00:5e:00:01:00 Static - Router
    T1 00:19:e2:50:63:e0 Learn 0 ge-0/0/46.0
    T1 00:19:e2:50:7d:e0 Static - Router
    T10 * Flood - All-members
    T10 00:00:5e:00:01:09 Static - Router
    T10 00:19:e2:50:63:e0 Learn 0 ge-0/0/46.0
    T10 00:19:e2:50:7d:e0 Static - Router
    T111 * Flood - All-members
    T111 00:19:e2:50:63:e0 Learn 0 ge-0/0/15.0
    T111 00:19:e2:50:7d:e0 Static - Router
    T111 00:19:e2:50:ac:00 Learn 0 ge-0/0/15.0
    T2 * Flood - All-members
    T2 00:00:5e:00:01:01 Static - Router
    T2 00:19:e2:50:63:e0 Learn 0 ge-0/0/46.0
    T2 00:19:e2:50:7d:e0 Static - Router
    T3 * Flood - All-members
    T3 00:00:5e:00:01:02 Static - Router
    T3 00:19:e2:50:63:e0 Learn 0 ge-0/0/46.0
    T3 00:19:e2:50:7d:e0 Static - Router
    T4 * Flood - All-members
    T4 00:00:5e:00:01:03 Static - Router
    T4 00:19:e2:50:63:e0 Learn 0 ge-0/0/46.0
    [output truncated]

    Sample Output

    show ethernet-switching table detail

    user@host> show ethernet-switching table detail
    Ethernet-switching table: 57 entries, 17 learned
    F2, *
    Interface(s): ge-0/0/44.0
    Type: Flood
    F2, 00:00:05:00:00:03
    Interface(s): ge-0/0/44.0
    Type: Learn, Age: 0, Learned: 2:03:09
    F2, 00:19:e2:50:7d:e0
    Interface(s): Router
    Type: Static
    Linux, *
    Interface(s): ge-0/0/47.0
    Type: Flood
    Linux, 00:19:e2:50:7d:e0
    Interface(s): Router
    Type: Static
    Linux, 00:30:48:90:54:89
    Interface(s): ge-0/0/47.0
    Type: Learn, Age: 0, Learned: 2:03:08
    T1, *
    Interface(s): ge-0/0/46.0
    Type: Flood
    T1, 00:00:05:00:00:01
    Interface(s): ge-0/0/46.0
    Type: Learn, Age: 0, Learned: 2:03:07
    T1, 00:00:5e:00:01:00
    Interface(s): Router
    Type: Static
    T1, 00:19:e2:50:63:e0
    Interface(s): ge-0/0/46.0
    Type: Learn, Age: 0, Learned: 2:03:07
    T1, 00:19:e2:50:7d:e0
    Interface(s): Router
    Type: Static
    T10, *
    Interface(s): ge-0/0/46.0
    Type: Flood
    T10, 00:00:5e:00:01:09
    Interface(s): Router
    Type: Static
    T10, 00:19:e2:50:63:e0
    Interface(s): ge-0/0/46.0
    Type: Learn, Age: 0, Learned: 2:03:08
    T10, 00:19:e2:50:7d:e0
    Interface(s): Router
    Type: Static
    T111, *
    Interface(s): ge-0/0/15.0
    Type: Flood
    [output truncated]

    Sample Output

    show ethernet-switching table extensive

    user@host> show ethernet-switching table extensive
    Ethernet-switching table: 57 entries, 17 learned
    F2, *
    Interface(s): ge-0/0/44.0
    Type: Flood
    F2, 00:00:05:00:00:03
    Interface(s): ge-0/0/44.0
    Type: Learn, Age: 0, Learned: 2:03:09
    F2, 00:19:e2:50:7d:e0
    Interface(s): Router
    Type: Static
    Linux, *
    Interface(s): ge-0/0/47.0
    Type: Flood
    Linux, 00:19:e2:50:7d:e0
    Interface(s): Router
    Type: Static
    Linux, 00:30:48:90:54:89
    Interface(s): ge-0/0/47.0
    Type: Learn, Age: 0, Learned: 2:03:08
    T1, *
    Interface(s): ge-0/0/46.0
    Type: Flood
    T1, 00:00:05:00:00:01
    Interface(s): ge-0/0/46.0
    Type: Learn, Age: 0, Learned: 2:03:07
    T1, 00:00:5e:00:01:00
    Interface(s): Router
    Type: Static
    T1, 00:19:e2:50:63:e0
    Interface(s): ge-0/0/46.0
    Type: Learn, Age: 0, Learned: 2:03:07
    T1, 00:19:e2:50:7d:e0
    Interface(s): Router
    Type: Static
    T10, *
    Interface(s): ge-0/0/46.0
    Type: Flood
    T10, 00:00:5e:00:01:09
    Interface(s): Router
    Type: Static
    T10, 00:19:e2:50:63:e0
    Interface(s): ge-0/0/46.0
    Type: Learn, Age: 0, Learned: 2:03:08
    T10, 00:19:e2:50:7d:e0
    Interface(s): Router
    Type: Static
    T111, *
    Interface(s): ge-0/0/15.0
    Type: Flood
    [output truncated]

    Sample Output

    show ethernet-switching table interface ge-0/0/1

    user@host> show ethernet-switching table interface ge-0/0/1
    Ethernet-switching table: 1 unicast entries
    VLAN     MAC address         Type     Age Interfaces
    V1       *                   Flood    - All-members
    V1       00:00:05:00:00:05   Learn    0 ge-0/0/1.0

    Published: 2013-11-19