Specifications
Enabling Router Solicitation
RoamAbout Mobility System Software Configuration Guide 14-3
Changing the Query Interval
TochangetheIGMPqueryintervaltimer,usethefollowingcommand:
set igmp qi seconds [vlan vlan-id]
Forseconds,youcanspecifyavaluefrom1through65,535 .Thedefaultis125seconds.
Changing the Other-Querier-Present Interval
Tochangetheother‐querier‐presentinterval,usethefollowingcommand:
set igmp oqi seconds [vlan vlan-id]
Forseconds,youcanspecifyavaluefrom1through65,535 .Thedefaultis255seconds.
Changing the Query Response Interval
Tosetthequeryresponseinterval,usethefollowingcommand:
set igmp qri tenth-seconds [vlan vlan-id]
Youcanspecifyavaluefrom1 through65,535tenthsofasecond.Thedefaultis100tenthsofa
second(10 seconds).
Changing the Last Member Query Interval
Tosetthelastmemberqueryinterval,usethefollowingcommand:
set igmp lmqi tenth-seconds [vlan vlan-id]
Youcanspecifyavaluefrom1 through65,535tenthsofasecond.Thedefaultis10tenthsofa
second(1 second).
Changing Robustness
RobustnessadjuststheIGMPtimerstotheamountoftrafficlossthatoccursonthenetwork.Set
therobustnessvaluehighertoadjustformoretrafficloss.Tochangetherobustnessvalue,usethe
followingcommand:
set igmp rv num [vlan vlan-id]
Youcanspecifyavaluefrom2through255.Thedefaultis2.
Enabling Router Solicitation
ARoamAboutSwitchcansearchformulticastroutersbysendingmulticast routersolicitation
messages.Thismessageinvitesmulticastroutersthatreceivethemessageandthatsupport router
solicitationtoimmediatelyadvertisethemselvestotheRoamAboutSwitch.Routersolicitationis
disabledbydefault.
TheMSSimplementationofroutersolicitationisbasedon
draft‐ietf‐idmr‐igmp‐mrdisc‐09.txt.
Toenableordisablemulticastroutersolicitation,usethefollowingcommand:
set igmp mrsol {enable | disable} [vlan vlan-id]