Observing Syntax and Conventions
7-88 Configuring IP Multicast
Mode
Interfaceconfiguration:XSR(config-if<xx>)#
Default
Twotimesthequeryinterval
Example
ThefollowingexamplesetstheXSRtowait30secondsfromthetimeitreceivedthelastquery
beforeittakesoverasthequerierfortheinterface:
XSR(config-if<F1>)#ip igmp querier-timeout 30

ip multicast ttl-threshold

ThiscommandsetstheTimeToLive(TTL)thresholdofpacketsbeingforwardedoutaninterface.
Syntax
ip multicast ttl-threshold ttl-value
Syntax of the “no” Form
Thenoformofthiscommandsetsthisthresholdtothedefaultvalue:
no ip multicast ttl-threshold
Mode
Interfaceconfiguration:XSR(config-if<xx>)#
Default
Zero‐allmulticastpacketsareforwardedouttheinterface.
Example
ThefollowingexamplesetstheTTLthresholdonaborderrouterto20.Multicastpacketsmust
haveaTTLgreaterthan20inordertobeforwardedoutthisinterface:
XSR(config-if<F1>)#ip multicast ttl-threshold 20
ttl-value Timetolivevalue,rangingfrom0to255hops.