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Syntax
Description
Options
Additional Information
Required Privilege Level
Output Fields
Sample Output
Release Information

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show interfaces media

date_range 02-Jul-24

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Syntax

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show interfaces media

Description

Display media-specific information about all configured network interfaces.

Note:

show interfaces media lists details for all interfaces, whereas show interfaces media interface-name lists details only for the specified interface.

Options

This command has no options.

Additional Information

Output from both the show interfaces interface-name detail and the show interfaces interface-name extensive commands includes all the information displayed in the output from the show interfaces media command.

Required Privilege Level

view

Output Fields

The output from the show interfaces media command includes fields that display interface media-specific information. These fields are also included in the show interfaces interface-name command for each particular interface type, and the information provided in the fields is unique to each interface type.

One field unique to the show interfaces media command is interface-type errors (for example, SONET errors). This field appears for channelized E3, channelized T3, channelized OC, E1, E3, SONET, T1, and T3 interfaces. The information provided in this output field is also provided in the output from the show interfaces interface-name command. (For example, for SONET interfaces, these fields are SONET section, SONET line, and SONET path). For a description of errors, see the chapter with the particular interface type in which you are interested.

Sample Output

show interfaces media (SONET/SDH)
show interfaces media (MX Series Routers)
show interfaces media (PTX Series Packet Transport Routers)
show interfaces media (EX4100 Series Switches)

show interfaces media (SONET/SDH)

The following example displays the output fields unique to the show interfaces media command for a SONET interface (with no level of output specified):

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user@host> show interfaces media so-4/1/2
Physical interface: so-4/1/2, Enabled, Physical link is Up
  Interface index: 168, SNMP ifIndex: 495
  Link-level type: PPP, MTU: 4474, Clocking: Internal, SONET mode, Speed: OC48,   Loopback: None, FCS: 16, Payload scrambler: Enabled
  Device flags   : Present Running
  Interface flags: Point-To-Point SNMP-Traps 16384
  Link flags     : Keepalives
  Keepalive settings: Interval 10 seconds, Up-count 1, Down-count 3
  Keepalive: Input: 1783 (00:00:00 ago), Output: 1786 (00:00:08 ago)
  LCP state: Opened
  NCP state: inet: Not-configured, inet6: Not-configured, iso: Not-configured,   mpls: Not-configured
  CHAP state: Not-configured
  CoS queues     : 8 supported
  Last flapped   : 2005-06-15 12:14:59 PDT (04:31:29 ago)
  Input rate     : 0 bps (0 pps)
  Output rate    : 0 bps (0 pps)
  SONET alarms   : None
  SONET defects  : None
  SONET errors:
     BIP-B1: 121, BIP-B2: 916, REI-L: 0, BIP-B3: 137, REI-P: 16747, BIP-BIP2: 0
  Received path trace: routerb so-1/1/2
  Transmitted path trace: routera so-4/1/2

show interfaces media (MX Series Routers)

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user@host>show interfaces media xe-0/0/0
Physical interface: xe-0/0/0, Enabled, Physical link is Up
  Interface index: 145, SNMP ifIndex: 592
  Link-level type: Ethernet, MTU: 1514, LAN-PHY mode, Speed: 10Gbps, BPDU Error: None,
  Loopback: None, Source filtering: Disabled, Flow control: Enabled
  Pad to minimum frame size: Enabled
  Device flags   : Present Running
  Interface flags: Hardware-Down SNMP-Traps Internal: 0x0
  Link flags     : None
  CoS queues     : 8 supported, 8 maximum usable queues
  Current address: 08:81:f4:82:a3:f0, Hardware address: 08:81:f4:82:a3:f0
  Last flapped   : 2013-10-26 03:20:40 test (1w6d 00:19 ago)
  Input rate     : 0 bps (0 pps)
  Output rate    : 0 bps (0 pps)
  Active alarms  : LINK
  Active defects : LINK
  PCS statistics                      Seconds
    Bit errors                            78
    Errored blocks                        78
  MAC statistics:
    Input bytes: 0, Input packets: 0, Output bytes: 0, Output packets: 0
  Filter statistics:
    Filtered packets: 0, Padded packets: 0, Output packet errors: 0
  Interface transmit statistics: Disabled

show interfaces media (PTX Series Packet Transport Routers)

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user@host> show interfaces media em0
Physical interface: em0, Enabled, Physical link is Up
      Interface index: 8, SNMP ifIndex: 0
      Type: Ethernet, Link-level type: Ethernet, MTU: 1514, Speed: 1000mbps
      Device flags   : Present Running
      Interface flags: SNMP-Traps
      Link type      : Full-Duplex
      Current address: 00:80:f9:25:00:1b, Hardware address: 00:80:f9:25:00:1b
      Last flapped   : Never
		  Input packets : 215151 
		  Output packets: 72

show interfaces media (EX4100 Series Switches)

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user@host> show interfaces ge-0/0/10 media
Physical interface: ge-0/0/10, Enabled, Physical link is Up
  Interface index: 658, SNMP ifIndex: 529
  Link-level type: Ethernet, MTU: 1514, LAN-PHY mode, Link-mode: Full-duplex, Speed: 1000mbps, Duplex: Full-Duplex, BPDU Error: None, Loop Detect PDU Error: None,
  Ethernet-Switching Error: None, MAC-REWRITE Error: None, Loopback: Disabled, Source filtering: Disabled, Flow control: Enabled, Auto-negotiation: Enabled, Remote fault: Online,
  Media type: Copper, IEEE 802.3az Energy Efficient Ethernet: Disabled, Auto-MDIX: Enabled
  Device flags   : Present Running
  Interface Specific flags: Internal: 0x100000
  Interface flags: SNMP-Traps Internal: 0x4000
  Link flags     : None
  CoS queues     : 12 supported, 12 maximum usable queues
  Current address: ac:a0:9d:8f:dd:84, Hardware address: ac:a0:9d:8f:dd:84
  Last flapped   : 2024-04-01 02:39:22 PDT (01:20:29 ago)
  Input rate     : 0 bps (0 pps)
  Output rate    : 0 bps (0 pps)
  Active alarms  : None
  Active defects : None
  PCS statistics                      Seconds
    Bit errors                             0
    Errored blocks                         0
  MAC statistics:
    Input bytes: 60200, Input packets: 175, Output bytes: 0, Output packets: 0
  PRBS Mode : Disabled
  Autonegotiation information:
    Negotiation status: Complete
    Link partner:
        Link mode: Full-duplex, Flow control: Symmetric/Asymmetric, Remote fault: OK, Link partner Speed: 1000 Mbps
    Local resolution:
        Flow control: Symmetric, Flow control tx: Enabled, Flow control rx: Enabled, Remote fault: Link OK, Local link Speed: 1000 Mbps, Link mode: Full-duplex
  Interface transmit statistics: Disabled

Note:

For EX4100 1G copper ports, flow control Tx state is Enabled. The expected Tx state is Disabled. You see this behavior because of an internal block. The actual functionality remains the same.

Release Information

Command introduced before Junos OS Release 7.4.

Command introduced on PTX Series Packet Transport Routers for Junos OS Release 12.1.

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