Juniper JUNOS OS 10.4 - FOR EX REV 1 Manual page 1369

Meaning
Purpose
Action
Meaning
Troubleshooting
Problem
Solution
Copyright © 2010, Juniper Networks, Inc.
The output indicates that LACP has been set up correctly and is active at one end.
Verifying That the LACP Packets Are Being Exchanged
Verify that LACP packets are being exchanged.
Use the
show interfaces aex statistics
user@Host-A> 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.
To troubleshoot a nonworking LACP link, perform these tasks:
Troubleshooting a Nonworking LACP Link
The LACP link is not working.
Check the following:
Remove the LACP configuration and verify whether the static LAG is up.
Verify that LACP is configured at both ends.
Chapter 57: Examples of Interfaces Configuration
command to display LACP information.
pps Bytes
0 0
0 0
bps
0 0
0 0
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