Specifications

Configuring Node Aliases
SecureStack B2 Configuration Guide 15-35
Configuring Node Aliases
ThenodealiasfeatureenablesadministratorstodeterminetheMACaddressandlocationofa
givenend‐station(ornode)usingthenode’sLayer3aliasinformation(IPaddress)asakey.With
thismethod,itispossibletodeterminethat,forinstance,IPaddress123.145.2.23islocatedon
switch5
port3.
Thepassiveaccumulationofanetworkʹsnode/aliasinformationisaccomplished by“snooping”
onthecontentsofnetworktrafficasitpassesthroughtheswitchfabric.
IntheB2,nodedataisautomaticallyaccumulatedintothect‐aliasmib,andbydefaultthisfeature
isenabled.TheNetSight
ConsoleCompassutilityandAutomatedSecurityManager(ASM)use
theinformationinthenode/aliasMIBtable.
Itʹsimportanttomakesurethatinter‐switchlinksare notlearningnode/aliasinformation,asit
wouldslowdownsearchesbytheNetSightCompassandASMtoolsandgiveinaccurateresults.
Purpose
Toreview,disable,andre‐enablenode(port)aliasfunctionalityontheswitch.
Commands
show nodealias config
Usethiscommandtodisplaynodealiasconfigurationsettingsononeormoreports.
Syntax
show nodealias config [port-string]
Parameters
Defaults
Ifport‐stringisnotspecified,nodealiasconfigurationswillbedisplayedforallports.
Mode
Switchcommand,read‐only.
Example
Thisexampleshowshowtodisplaynodealiasconfigurationsettingsforportsfe.2.1through9:
B2(rw)->show nodealias config fe.2.1-9
Port Number Max Entries Used Entries Status
For information about... Refer to page...
show nodealias config 15-35
set nodealias 15-36
clear nodealias config 15-37
port‐string (Optional)Displaysnodealiasconfigurationsettingsforspecificport(s).