Junos OS Interfaces Command Reference - Juniper Networks

Table 92: show interfaces (Serial) Output Fields (continued)
Field Name
Enabled
Interface index
SNMP ifIndex
Generation
Type
Link-level type
MTU
Maximum speed
Device flags
Interface flags
Link flags
Hold-times
Keepalive settings
Keepalive
Field Description
State of the interface. Possible values are described in the “Enabled Field”
section under “Common Output Fields Description” on page 125.
Physical interface's index number, which reflects its initialization sequence.
SNMP index number for the physical interface.
Unique number for use by Juniper Networks technical support only.
Type of interface.
Copyright © 2012, Juniper Networks, Inc.
Encapsulation being used on the physical interface.
Maximum transmission unit (MTU) size on the physical interface.
Maximum speed. The nonconfigurable value is 16,384 kbps.
Information about the physical device. Possible values are described in the
“Device Flags” section under “Common Output Fields Description” on page 125.
Information about the interface. Possible values are described in the “Interface
Flags” section under “Common Output Fields Description” on page 125.
Information about the link. Possible values are described in the “Link Flags”
section under “Common Output Fields Description” on page 125.
Current interface hold-time up and hold-time down, in milliseconds.
(PPP and HDLC) Configured settings for keepalive packets.
• Interval seconds—Time between successive keepalive requests. The range of
values, in seconds, is 10 to 32,767. The default value is 10.
• Up-count number—Number of keepalive packets a destination must receive
to change a link's status from down to up. The range of values is 1 to 255. The
default value is 1.
• Down-count number—Number of keepalive packets a destination must fail
to receive before the network takes a link down. The range is 1 to 255. The
default value is 3.
(PPP and HDLC) Information about keepalive packets.
• Input: number (hh:mm:ss ago)—Number of keepalive packets received by PPP
and the time since the last keepalive packet was received.
• Output: number (hh:mm:ss ago)—Number of keepalive packets sent by PPP
and the time since the last keepalive packet was sent.
Chapter 10: Serial Interface Operational Mode Commands
Level of Output
All levels
detail extensive none
detail extensive none
detail extensive
All levels
All levels
All levels
detail extensive none
All levels
All levels
All levels
detail extensive
All levels
brief none
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