M A G N U M 6 K S W I T C H E S , M N S - 6 K U S E R G U I D EPort Back Pressure : DisablePort Events Notify : log,trap,alarmMagnum6K25(device)## setport port=11 flow=enable bp=enableMagnum6K25(device)## show portKeys: E = Enable D = DisableH = Half Duplex F = Full DuplexM = Multiple VLAN's NA = Not ApplicableLI = Listening LE = LearningF = Forwarding B = BlockingPort 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=11Configuration details of port 11--------------------------------------------------Port Name : JohnDoePort Link State : DOWNPort Type : TP PortPort Admin State : EnablePort VLAN ID : 1Port Speed : 10MbpsPort Duplex Mode : half-duplexPort Auto-negotiation State : EnablePort STP State : NO STPPort GVRP State : No GVRPPort Priority Type : NonePort Security : EnablePort Flow Control : Enable (Admin Status : Enable)Note – the flow control and back pressure isshown as enabled for the specific port. Theglobal “show port” command does not showthis detail. The back pressure and flow controlparameters are global – i.e. the same for allthe ports.Port Back Pressure : EnablePort Events Notify : log,trap,alarmMagnum6K25(device)## exitMagnum6K25#FIGURE 76 – Setting up back pressure and flow control on portsBOkroadcast Stormsne of the best features of the Magnum 6K family of switches is its ability toeep broadcast storms from spreading throughout a network. Network storms(or broadcast storms) are characterized by an excessive number of broadcastpackets being sent over the network. These storms can occur if network equipment isconfigured incorrectly or the network software is not properly functioning or badly designedj128
