Chapter 33 switch Commands
Management Switch Card User’s Guide
993
“V” displays for ports that have bandwidth control enabled “-” displays for ports that do not.
33.5 switch bcasctrl Commands
Use the switch bcasctrl commands to configure broadcast storm control.
33.5.1 switch bcastctrl threshold Command
Syntax:
switch bcasctrl threshold <giga-port> <bc-limit> <mc-limit> <uu-limit>
where
This command sets the limitations of broadcast, multicast and unknown unicast packets, in packets
per second for each Gigabit Ethernet port.
This example sets the subtending 1 interface to accept up to 80,000 broadcast packets, 100,000
multicast packets and 60,000 unknown unicast packets per second.
33.5.2 switch bcastctrl show Command
Syntax:
switch bcasctrl show
This command displays the broadcast storm control settings. The following shows an example.
<giga-port>
=
This represents Gigabit Ethernet uplink ports, subtending ports or all ports. Use
sub1|sub2|up1|up2|all if trunking is not enabled. Use sub|up|all if
trunking is enabled.
<bc-limit>
=
Sets how many broadcast packets the interface is allowed to receive per second.
0~262143, use -1 to disable.
<mc-limit>
=
Sets how many multicast packets the interface is allowed to receive per second.
0~262143, use -1 to disable.
<uu-limit>
=
Sets how many unknown unicast packets the interface is allowed to receive per
second. 0~262143, use -1 to disable.
ras> switch bcastctrl threshold sub1 80000 100000 60000
ras> switch bcastctrl show
port broadcast(pkt/s) multicast(pkt/s) uucast(pkt/s)
---- ---------------- ---------------- ----------------
sub1 80000 100000 60000
sub2 - - -
up1 - - -
up2 - - -
ras>
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