Juniper JUNOS OS 10.3 - SOFTWARE, Manual

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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 pps Bytes bps
Bundle:
Input : 0 0 0 0
Output: 0 0 0 0
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
Meaning The output here shows that the link is down and that no PDUs are being exchanged.
Troubleshooting
These are some tips for troubleshooting:
Troubleshooting a Nonworking LACP Link
Problem The LACP link is not working.
Solution Check the following:
•
Remove the LACP configuration and verify whether the static LAG is up.
•
Verify that LACP is configured at both ends.
•
Verify that LACP is not passive at both ends.
•
Verify whether LACP protocol data units (PDUs) are being exchanged by running the
monitor traffic-interface lag-member detail command.
Related
Documentation
Example: Connecting an Access Switch to a Distribution Switch on page 1320
•
•
Virtual Chassis Cabling Configuration Examples for EX4200 Switches
•
Installing an Uplink Module in an EX3200 or EX4200 Switch
981 Copyright © 2010, Juniper Networks, Inc.
Chapter 44: Virtual Chassis—Configuration Examples