Chapter15NetworkLayerDetection
Figure15-16WorkFlowofMulticastPing
1.ArouterinitiatesamulticastpingcommandbysendinganICMPrequestpacket.
2.Anintermediatenodeforwardsthepacketdirectlybecausethereisnolocalreceiver
directlyconnected.
3.Aleafnodewherethereceiverislocatedsendsandprocessesthepacket,and
respondswithareplypacketthroughunicast.
4.Theinitiatordisplaysthemulticastpingresult.
ConīgurationCommands
ToconīæguremulticastpingontheZXR10ZSRV2,runthefollowingcommand:
CommandFunction
ZXR10#ping[vrf<vrf-name>]<ip-address>{[df-bit<don't-fr
ag>][repeat<repeat-count>][size<datagram-size>][source
<source-address>][timeout<timeout>][tos<tos>][ttl
<ttl>]option{[{loose|strict}<source-route-address>][record
<record-hops>][timestamp<record-timestamps>][none]}][pattern
<pad>][speed{limit<limite-num>|interval<interval-seconds>}]}
Conīæguresthemulticastping
commandinanyothermode
exceptusermode.
<repeat-count>:numberofretryattempts,range:1ā65535,default:5.
<datagram-size>:sizeofapingpacket,range:36-8192,default:100octets.
<timeout>:timeoutperiod,unit:second,range:1ā20.
<tos>:ToSofasentpacket,range:0-255,default:0.
15-27
SJ-20140504150128-007|2014-05-10(R1.0)ZTEProprietaryandConīædential