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MAGNUM 6K SWITCHES, MNS-6K USER GUIDE
Port Back Pressure : Disable
Port Events Notify : log,trap,alarm
Magnum6K25(device)## setport port=11 flow=enable bp=enable
Magnum6K25(device)## show port
Keys: E = Enable D = Disable
H = Half Duplex F = Full Duplex
M = Multiple VLAN's NA = Not Applicable
LI = Listening LE = Learning
F = Forwarding B = Blocking
Port Name Status Dplx Media Link Speed Part Auto Vlan GVRP STP
-------------------------------------------------------------------------------------------------------------
9 B1 E H 10Tx UP 10 No E 1 - -
10 B2 E H 10Tx DOWN 10 No E 1 - -
11 JohnDoe E H 10Tx DOWN 10 No E 1 - -
12 JaneDoe E H 10Tx DOWN 10 No E 1 - -
13 B5 E F 100Tx UP 100 No E 1 - -
14 B6 E H 10Tx DOWN 10 No E 1 - -
15 B7 E H 10Tx DOWN 10 No E 1 - -
16 B8 E H 10Tx DOWN 10 No E 1 - -
Magnum6K25(device)## show port=11
Configuration details of port 11
--------------------------------------------------
Port Name : JohnDoe
Port Link State : DOWN
Port Type : TP Port
Port Admin State : Enable
Port VLAN ID : 1
Port Speed : 10Mbps
Port Duplex Mode : half-duplex
Port Auto-negotiation State : Enable
Port STP State : NO STP
Port GVRP State : No GVRP
Port Priority Type : None
Port Security : Enable
Port Flow Control : Enable (Admin Status : Enable)
Note
–
the flow control and back pressure is
shown as enabled for the specific port. The
global “show port” command does not show
this detail. The back pressure and flow control
parameters are global – i.e. the same for all
the ports.
Port Back Pressure : Enable
Port Events Notify : log,trap,alarm
Magnum6K25(device)## exit
Magnum6K25#
FIGURE 76 – Setting up back pressure and flow control on ports
B
O
k
roadcast Storms
ne of the best features of the Magnum 6K family of switches is its ability to
eep broadcast storms from spreading throughout a network. Network storms
(or broadcast storms) are characterized by an excessive number of broadcast
packets being sent over the network. These storms can occur if network equipment is
configured incorrectly or the network software is not properly functioning or badly designed
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