Network Router User Manual

Chapter 8 Troubleshooting
Problem Solving Using a Subsystems Approach
Cisco SCE 1000 2xGBE Installation and Configuration Guide
OL-7821-04 8-15
Check output of show
interface
GigabitEthernet 0/#
counters command for: “In
good unicast packet” and
“Out unicast packet”. These
counters should be
constantly incrementing.
Auto-negotiation may be
incorrectly configured.
Check auto-negotiation
("Configuring the GBE
Interface Parameters" on page
6-3) configuration in the SCE
1000 and in its peers.
• GBE link is up
(GBE interface
link LED is
continuous green
and GBE interface
Tx LED is
flashing)
• Peer does not
receive traffic
from SCE 1000
CLI commands:
• show interface
GigabitEthernet
0/# counters
Check printout of this
command for: “Out unicast
packet”. This counter should
be constantly incrementing.
show interface
GigabitEthernet 0/#
Auto-negotiation is disabled at
the SCE 1000 but enabled at
peer.
Check auto-negotiation
("Configuring the GBE
Interface Parameters" on page
6-3) configuration in the SCE
1000 and in peer.
• GBE link is up
(GBE interface
link LED is
continuous green)
• No traffic
received (GBE
interface Rx LED
is not flashing)
No traffic is being transmitted to
the SCE 1000 from its peers
Check traffic connection at pee
Auto-negotiation is disabled at
the SCE 1000 but enabled at
peer
Check auto-negotiation
("Configuring the GBE
Interface Parameters" on page
6-3) configuration in the SCE
1000 and in peer.