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Ethernet debug commands – Brocade 6910 Ethernet Access Switch Diagnostic Guide (Supporting R2.2.0.0) User Manual

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Brocade 6910 Ethernet Access Switch Diagnostic Guide

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DRAFT: BROCADE CONFIDENTIAL

Ethernet diagnostics

Port Operation Status : Up

Operation Speed-duplex : 100full

Up Time : 0w 0d 5h 51m 29s (21089 seconds)

Flow Control Type : None

show interfaces switchport ethernet

Syntax: show interfaces switchport ethernet unit/port

unit - Unit identifier. (Range: 1)

port - Port number. (Range: 1-12)

This command displays the administrative and operational status for Ethernet ports, as shown in
the following example.

Console# show interfaces switchport ethernet 1/1

Information of Eth 1/1

Broadcast Threshold : Enabled, 64 Kbits/second

Multicast Threshold : Disabled

Unknown Unicast Threshold : Disabled

LACP Status : Disabled

Ingress Rate Limit : Disabled, 64 Kbits per second

Egress Rate Limit : Disabled, 1000000 Kbits per second

VLAN Membership Mode : Hybrid

Ingress Rule : Disabled

Acceptable Frame Type : All frames

Native VLAN : 1

Priority for Untagged Traffic : 0

GVRP Status : Disabled

Allowed VLAN : 1(u)

Forbidden VLAN :

802.1Q Tunnel Status : Disabled

802.1Q Tunnel Mode : Normal

802.1Q Tunnel TPID : 8100 (Hex)

Layer 2 Protocol Tunnel : None

Ethernet debug commands

This section describes the debug commands that display information about Ethernet interfaces.

debug hardware dev-swdrv

Syntax: debug hardware dev-swdrv {buff-cnt | drop-cnt | phy-cnt | port-map | stg}

buff-cnt – Shows allocation status of packet buffers.

drop-cnt – Shows the counter for dropped packets over a period of time.

phy-cnt – Shows the counter for the registers of all PHY ports.

port-map – Shows the mapping between physical ports and MAC ports.

stg – Shows the configuration of all Spanning Trees.

This command shows the switch driver’s buffer allocation for packets, including the status of
packet buffers.

Console#debug hardware dev-swdrv buff-cnt

================= Buffers Allocation Counters ================