Verifying That Layer 3 Subinterfaces Are Working - Juniper EX2200 Hardware Manual

Network Interfaces for EX4300 Switches
Action
Meaning
Related
Documentation

Verifying That Layer 3 Subinterfaces Are Working

Purpose
Action
238
Use the
show interfaces aex statistics
information.
show interfaces ae0 statistics
Physical interface: ae0, Enabled, Physical link is Down
Interface index: 153, SNMP ifIndex: 30
Link-level type: Ethernet, MTU: 1514, Speed: Unspecified, Loopback: Disabled,
Source filtering: Disabled, Flow control: Disabled, Minimum links needed: 1,
Minimum bandwidth needed: 0
Device flags : Present Running
Interface flags: Hardware-Down SNMP-Traps Internal: 0x0
Current address: 02:19:e2:50:45:e0, Hardware address: 02:19:e2:50:45:e0
Last flapped : Never
Statistics last cleared: Never
Input packets : 0
Output packets: 0
Input errors: 0, Output errors: 0
Logical interface ae0.0 (Index 71) (SNMP ifIndex 34)
Flags: Hardware-Down Device-Down SNMP-Traps Encapsulation: ENET2
Statistics Packets
Bundle:
Input :
Output:
Protocol inet,
Flags: None
Addresses, Flags: Dest-route-down Is-Preferred Is-Primary
Destination: 10.10.10/24, Local: 10.10.10.1, Broadcast: 10.10.10.255
The output here shows that the link is down and that no PDUs are being exchanged
(when there is no other traffic flowing on the link).
Configuring Aggregated Ethernet LACP
Configuring Aggregated Ethernet LACP (CLI Procedure) on page 86
Verifying the Status of a LAG Interface
Verifying the Status of a LAG Interface on page 234
After configuring Layer 3 subinterfaces, verify they are set up properly and transmitting
data.
Use the
show interfaces
1.
the subinterfaces and the links are up:
user@switch> show interfaces interface-name terse
Interface
ge-0/0/0
ge-0/0/0.0
ge-0/0/0.1
ge-0/0/0.2
ge-0/0/0.3
command to display LACP BPDU exchange
pps
0 0
0 0
command to determine whether you successfully created
Admin Link Proto Local
up up
up up inet 1.1.1.1/24
up up inet 2.1.1.1/24
up up inet 3.1.1.1/24
up up inet 4.1.1.1/24
Bytes bps
0 0
0 0
Remote
Copyright © 2015, Juniper Networks, Inc.