Troubleshooting guide

10-32
ATM and Layer 3 Switch Router Troubleshooting Guide
OL-1969-01
Chapter 10 Troubleshooting Ethernet, ATM Uplink, and POS Uplink Interfaces
Troubleshooting Gigabit Ethernet Interface Modules
Tx Phy Addr Register-GMAC1 (0xC005): 0xFFFF
Link Status Register [3-0]: 0x1
Xpif Counters:
MAC Receive Counters:
Bytes =63848
pkt64 =0
pkt65to127 =0
pkt128to255 =0
pkt256to511 =184
pkt512to1023 =0
pkt1024to1518 =0
pkt1519to1530 =0
good_giants =0
error_giants =0
good_runts =0
error_runts =0
ucast_pkts =0
mcast_pkts =184
bcast_pkts =0
sync_loss_errs =0
overruns =0
fcs_errs =0
delimiter_seq_errs =0
gmac_dropcounts =0
symbol_errs =0
MAC Transmit Counters:
Bytes =31620
pkt64 =0
pkt65to127 =0
pkt128to255 =0
pkt256to511 =93
pkt512to1023 =0
pkt1024to1518 =0
pkt1519to1530 =0
good_giants =0
Slicer Receive Counters:
Cells =87293
Frames =23312
Header Sequence Errors=0
fcs_errs =0
Length =0
Slicer Transmit Counters:
Cells =0
Frames =0
Status Registers:
Rx_gmac_status =0004015C
Tx_gmac_status =00000154
Rx_slicer_status =00000003
Tx_slicer_status =00000000
IPC fail count =0
Switch#
Step 2 Check the Chip Status Register field. It should match the link status, duplex mode, and speed shown in
the previous show interface command.
If not, see the “Troubleshooting Half- or Full-Duplex Negotiation” section on page 11-21.