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4. Appendix

4-1

TI 30A10A05-01E

4. Appendix

4.1 Layer 2 Switch (L2SW)

Iftherearenorequirementsfornetworkmonitoringorsecuritystrengthening,youcan

connect Vnet/IP stations to any ports of the recommended layer 2 switch in its default

state. Even if you use the layer 2 switch as a trunk port between layer 2 switches or with

layer3switches,youdonothavetouseacrosscableorchangeanyofthelayer2switch

settings.

Toconnectrecommendedlayer2switcheswithopticalbercables,usecomboportsthat

can use an SFP. You must use the recommended SFP product that is implemented in this

layer2switch.Youdonothavetochangethesettingsoflayer2switchesbecauseSFP

combo ports automatically adjust to the optical interface.

SEE

ALSO

For more information about recommended layer 2 switches, refer to the following.

“Network Switch for Vnet/IP” (TI 30A10A30-01E)

4.2 Layer 3 Switch (L3SW)

TheroutingprotocolparametersforconnectingtoVnet/IParealreadyconguredinthe

recommendedlayer3switch.Bydefault,theIPaddressesoftheportsarealsocongured

to enable connection to domains. You can enable inter-domain communication by

connectingthelayer2switchofeachdomaintotheportthatmatchesthedomain

number.Thereisnospecialcongurationrequired.(*1)

InVnet/IP,thenetworkaddressisdi󰀨erentforbus1andbus2.Therefore,therearetwo

types of recommended layer 3 switches, one for bus 1 and another one for bus 2. You

mustdi󰀨erentiatetheuseoflayer3switchesforeachbus.

Toconnectrecommendedlayer3switcheswithopticalbercables,usecomboportsthat

can use SFP. You must use the recommended SFP product that is implemented in this

layer3switch.Youdonothavetochangethesettingsoflayer3switchesbecauseSFP

combo ports automatically adjust to the optical interface.

*1: Change the settings of layer 3 switches if you want to connect domains in a cascade.

SEE

ALSO

For more information about recommended layer 3 switches, refer to the following.

“Network Switch for Vnet/IP” (TI 30A10A30-01E)

Mar.19,2012-00

YOKOGAWA Vnet/IP User Manual

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