Cisco N5K-C5010P-BF Troubleshooting Guide - Page 27

show system internal dcbx info interface ethernet 1/4, ethernet x/y command. - end of support

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Chapter 2 Troubleshooting FCoE Issues Data Center Bridging Send document comments to [email protected]. 001 007 0400c0dd 145486 002 007 0300c0dd 145486 003 002 0078 128 061 001b2102 020a0000 00000002 00000001 04110000 c0000001 00003232 00000000 00000206 060000c0 00080108 100000c0 00890600 1b210889 14001b21 08 • Check the peer (CNA) to see if it supports DCBX. Use the show system internal dcbx info interface ethernet 1/4 command. (For releases earlier than 4.2(1)N1, use the "sh platform software dcbx internal info interface ethernet x/y" command.) Note In the example, DCBX is enabled and the peer supports CEE. Example: switch# show system internal dcbx info interface ethernet 1/4 Interface info for if_index: 0x1a003000(Eth1/4) tx_enabled: TRUE rx_enabled: TRUE dcbx_enabled: TRUE DCX Protocol: CEE Port MAC address: 00:0d:ec:d5:a3:8b DCX Control FSM Variables: seq_no: 0x1, ack_no: 0x2,my_ack_no: 0x1, peer_seq_no: 0x2 oper_version: 0x0, max_version: 0x0 fast_retries 0x0 Lock Status: UNLOCKED PORT STATE: UP • In the output from the show system internal dcbx info interface ethernet 1/4 command, check the peers LLDP values. Make sure that the mandatory LLDP values exist. Example: switch# show system internal dcbx info interface ethernet 1/4 LLDP Neighbors Remote Peers Information on interface Eth1/4 Remote peer's MSAP: length 12 Bytes: 00 c0 dd 14 54 86 00 c0 dd 14 54 86 LLDP TLV's LLDP TLV type:Chassis ID LLDP TLV Length: 7 04 00 c0 dd 14 54 86 Chassis type: 04 Chassis ID:00 c0 dd 14 54 86 LLDP TLV type:Port ID LLDP TLV Length: 7 03 00 c0 dd 14 54 86 Port ID subtype: 03 Port ID:00 c0 dd 14 54 86 LLDP TLV type:Time to Live LLDP TLV Length: 2 00 78 TTL = 00 LLDP TLV type:Unknown 128 LLDP TLV Length: 61 00 1b 21 02 02 0a 00 00 00 00 00 02 00 00 00 01 04 11 00 00 c0 00 00 01 00 00 32 32 00 00 00 00 00 00 02 06 06 00 00 c0 00 08 01 08 10 00 00 c0 00 89 06 00 1b 21 08 89 14 00 1b 21 08 LLDP TLV type:END of LLDP PDU LLDP TLV Length: 0 OL-25300-01 Cisco Nexus 5000 Series Troubleshooting Guide 2-3

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Send document comments to [email protected].
2-3
Cisco Nexus 5000 Series Troubleshooting Guide
OL-25300-01
Chapter 2
Troubleshooting FCoE Issues
Data Center Bridging
001 007 0400c0dd 145486
002 007 0300c0dd 145486
003 002 0078
128 061 001b2102 020a0000 00000002 00000001 04110000 c0000001 00003232
00000000 00000206 060000c0 00080108 100000c0 00890600 1b210889
14001b21 08
•
Check the peer (CNA) to see if it supports DCBX.
Use the
show system internal dcbx info interface ethernet 1/4
command.
(For releases earlier than 4.2(1)N1, use the “sh platform software dcbx internal info interface
ethernet x/y” command.)
Note
In the example, DCBX is enabled and the peer supports CEE.
Example:
switch# show system internal dcbx info interface ethernet 1/4
Interface info for if_index: 0x1a003000(Eth1/4)
tx_enabled: TRUE
rx_enabled: TRUE
dcbx_enabled: TRUE
DCX Protocol: CEE
Port MAC address: 00:0d:ec:d5:a3:8b
DCX Control FSM Variables: seq_no: 0x1, ack_no: 0x2,my_ack_no: 0x1, peer_seq_no: 0x2
oper_version: 0x0, max_version: 0x0 fast_retries 0x0
Lock Status: UNLOCKED
PORT STATE: UP
•
In the output from the
show system internal dcbx info interface ethernet 1/4
command, check the
peers LLDP values.
Make sure that the mandatory LLDP values exist.
Example:
switch# show system internal dcbx info interface ethernet 1/4
LLDP Neighbors
Remote Peers Information on interface Eth1/4
Remote peer's MSAP: length 12 Bytes:
00 c0 dd 14 54 86 00 c0 dd 14 54 86
LLDP TLV's
LLDP TLV type:Chassis ID LLDP TLV Length: 7
04 00 c0 dd 14 54 86
Chassis type: 04 Chassis ID:00 c0 dd 14 54 86
LLDP TLV type:Port ID LLDP TLV Length: 7
03 00 c0 dd 14 54 86
Port ID subtype: 03 Port ID:00 c0 dd 14 54 86
LLDP TLV type:Time to Live LLDP TLV Length: 2
00 78
TTL = 00
LLDP TLV type:Unknown 128 LLDP TLV Length: 61
00 1b 21 02 02 0a 00 00 00 00 00 02 00 00 00 01 04 11 00 00 c0 00
00 01 00 00 32 32 00 00 00 00 00 00 02 06 06 00 00 c0 00 08 01 08
10 00 00 c0 00 89 06 00 1b 21 08 89 14 00 1b 21 08
LLDP TLV type:END of LLDP PDU LLDP TLV Length: 0