Switchport packet- rate, Switchport packet-rate – LevelOne GTL-2691 User Manual

Page 1006

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C

HAPTER

31

| Interface Commands

Interface Configuration

– 1006 –

The port MTU size can be displayed with the show

show interfaces

status

command.

E

XAMPLE

The following first enables jumbo frames for layer 2 packets, and then sets

the MTU for port 1:

Console(config)#jumbo frame

Console(config)#interface ethernet 1/1

Console(config-if)#switchport mtu 9216

Console(config-if)#

R

ELATED

C

OMMANDS

jumbo frame (776)

show interfaces status (1010)

switchport packet-

rate

This command configures broadcast, multicast and unknown unicast storm

control. Use the no form to restore the default setting.

S

YNTAX

switchport {broadcast | multicast | unicast} packet-rate rate
no switchport {broadcast | multicast | unicast}

rate - Threshold level as a rate; i.e., packets per second.

(Range: 500-1,488,000 for Gigabit Ethernet ports, 500-14,880,000

for Gigabit Ethernet ports)

D

EFAULT

S

ETTING

Broadcast Storm Control: Enabled, packet-rate limit: 500 pps

Multicast Storm Control: Disabled

Unknown Unicast Storm Control: Disabled

C

OMMAND

M

ODE

Interface Configuration (Ethernet)

C

OMMAND

U

SAGE

When traffic exceeds the threshold specified for broadcast and

multicast or unknown unicast traffic, packets exceeding the threshold

are dropped until the rate falls back down beneath the threshold.

Traffic storms can be controlled at the hardware level using this

command or at the software level using the

auto-traffic-control

command. However, only one of these control types can be applied to a

port. Enabling hardware-level storm control on a port will disable

automatic storm control on that port.

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