?? ns-emulate.tcl
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## ns-emulate.tcl# defaults for nse [ns with emulation support]#if [TclObject is-class Network/Pcap/Live] { Network/Pcap/Live set snaplen_ 4096;# bpf snap len Network/Pcap/Live set promisc_ false; Network/Pcap/Live set timeout_ 0 Network/Pcap/Live set optimize_ true;# bpf code optimizer Network/Pcap/Live set offset_ 0.0; # Network/Pcap/File set offset_ 0.0; # ts for 1st pkt in trace file}if [TclObject is-class Agent/Tap] { Agent/Tap set maxpkt_ 1600}if [TclObject is-class Agent/IcmpAgent] { Agent/IcmpAgent set ttl_ 254}if [TclObject is-class ArpAgent] { ArpAgent set cachesize_ 10; # entries in arp cache ArpAgent instproc init {} { $self next } ArpAgent instproc config ifname { $self instvar net_ myether_ myip_ set net_ [new Network/Pcap/Live] $net_ open readwrite $ifname set myether_ [$net_ linkaddr] set myip_ [$net_ netaddr] $net_ filter "arp and (not ether src $myether_) and \ (ether dst $myether_ \ or ether dst ff:ff:ff:ff:ff:ff)" $self cmd network $net_ $self cmd myether $myether_ $self cmd myip $myip_ }}?? 快捷鍵說明
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