User`s guide

Reviewing and Configuring Router Interfaces
Matrix DFE Series and N-SA User’s Guide 7-7
Configuring Interfaces for IP Routing
EachMatrixDFESeriesorN‐SAmodulecansupportupto256routinginterfaces,whichcanbe
configuredforIProutingusingtheproceduresinthissection.
Creating and Enabling IP Routing Interfaces
EachVLANorloopbackinterfacemustbeconfiguredforroutingseparatelyusingtheinterface
command.Thiscommandisalsousedtoenableinterfaceconfigurationmode,whichisrequired
forcompletinginterface‐specificconfigurationtasks.
Toendconfigurationononeinterfacebeforeconfiguringanother,typeexitatthecommand
prompt.
Fromglobal
configurationmode,usethiscommandtocreateand/orenableaninterfaceforIP
routing.Thiscommandwillenableinterfaceconfigurationmodefromglobalconfigurationmode,
and,iftheinterfacehasnotpreviouslybeencreated,thiswillcreateanewroutinginterface.
interface {vlan vlan-id | loopback loopback-id}
Assigning an IP Address
Frominterfaceconfigurationmode,usethiscommandtoassignanIPaddresstoarouting
interface.
ip address ip-address ip-mask [secondary]
Ifspecified,theaddresswillbeassignedasasecondaryIPaddresstotheinterface.Otherwise,
itwillbetheinterface’sprimaryIPaddress.EachMatrixDFESeriesorN‐SAroutingmodule
supportsupto50secondaryaddressesforeachprimaryIPaddress,withuptoamaximumof
200
secondaryaddressesallowedperrouter.
Auto-Enabling Routing Interfaces
Frominterfaceconfigurationmode,usethiscommandtoallowaninterfacetoautomat ically be
enabledatdevicestartup:
no shutdown
Removing an IP Address and Disabling Routing
Frominterfaceconfigurationmode,usethis“no”formoftheipaddresscommandtoremovethe
specifiedIPaddressfromtheinterface,anddisabletheinterfaceforIPprocessing:
no ip address ip-address ip-mask
Alternatively,youcanalsousetheshutdowncommand frominterfaceconfigurationmodeto
disableIProutingontheinterface.
Automatically enabling an interface for routing at device startup also requires configuration with the
no shutdown command as described below.