    ûùУͻߡ¼߿ͻ;ϲ
Ҫʲôԭɵģô⣿
    ⣬ҪڲڵARPֻҪڲһ̨ͻARPͻ
ð·أҿͻͨţͻͱΪߡصARPȫ
ڲͻ֮MACַIPַʹڲԵͨȫ޷Уʹ
ڵĽ·ͨ豸
    SIPӼƷУ3ѡͿͻйϵû
밴ʵ3ãֱ쳣ٵ͡

1ǷIPַͨ񡱲˲ڻСøòSIPӼƷ
   ʱpingÿ̨ͻͻpingӦͻ쳣Ͽͻӣ
   ֹͣƷѡòѡԷֿͻ˳͹ػͻȻ쳣ʱֹͣƷѣ
   ﵽʱȷ
2ǷúͿͻͨ߹ܡ˲ڻ->߼Сò
   pingԲֻҳ¼ĿͻЧSIPרÿͻ¼PPPOE¼̶ͨ
   ȿͻЧøòҲԼʱַֿͻ˳͹ػͻȻ쳣
   ʱֹͣƷѣﵽʱȷ
3ǷͻIPַMACַԡ˲ڻ->߼Сò
   Լʱֿͻ;MACַͻȻı쳣IPַã
   ARP쳣øòѡSIPƷϵͳԼʱ
   쳣ʱֹͣƷѣﵽʱȷ

   3Ϊڲͬ绷£ﵽȷƷѵ󡣵Щѡһ
ARPͿЩ쳣ķ¿ͻSIPƷϵͳ
Щ쳣ϿӣֹͣƷѡͻߣͻҪٴظ¼ܼ
ʵʹùУƷѾȷͨ쳣֮ìܣARP

   ARP
1ڻ->߼УСARPΡô˲ԴȽARP
   Σܱ֤еARPⶼܽ
2ʹSIPƷϵͳרòſͻ¼ԶԿͻϵ·IPַMACַ
   ̬󶨣ȽARPΣܱ֤еARPⶼܽ
3áͻIPַMACַԡܣԼⲢڵARPԴԣ
   ʱųARPܱ֤ﵽ100%׼ȷԣܴ󡣷ֵARP
   쳣־ʽ¼sipmonitor.exeʼĿ¼µġ쳣ARP־.txtļС


˵

1ͨ߹
    SIPƷϵͳһơߡĹܡͻ¼󣬼ʱҳ洰ڻᶨڣ20
һڣʷ֪ͨͻǰ״̬ͻڷʷʱպ÷ͨ
ͽղͻĵǰ״̬3ղͻ˷Ķڷźţ
ΪͻʱԶرӡԿͻͻٴʾ¼ҳߡ
    SIPƷϵͳġͿͻͨߡܣΪ˼ʱ⵽ͻͻȻ˳
͹ػ쳣ΪʱֹͣƷѡ
    ر߹ܺ󣬷ᶨڼͻ״̬ͻ˳ػ;
ͲܼʱرӣֹͣƷѡ£ֻӿгʱ
ͻһʱûΪͻУĹر;Ͽӡ
    ڴ£һֱʱʱ䣬ͻٴ˽ͲɼƷѵ
ÿͻʱ䣬ֻ¼ͨʱΪֹһֱ¼ʱϿ
ӵʱ̡
    磬ͻڴ£40Ӻ󣬲㡰˳ֱӹػߡSIPӼƷ
ĻУӷǻʱ䣨ͻͨųʱʱ䣩Ϊ15ӣSIPӼƷ
һֱ飬һֱٳ15Ӻ󣬷ָÿͻʱϿӣ¼
¼Уʱ䣬15ǰôʱ仹ֻ¼40ӵֵΪÿͻô
ʵʱ䡣
    Ǹÿͻֱӹػ10ӣûʱʱ䣬ֿһ
ػ10ӣͻһֱڱʱڡ
    һҪע⣬ͻ㡰˳ֱӹرյ¼ʱڣҲػҲ
ߡ£ͻϵľԶµȷҲԶ
Ϳһֱֿᷢͻͨųʱͻͻһֱ;ԶϿӣ
ɼʱ顣
    ʱź磬гʱȼʩΪڿͻ£̵ܹʱ
ڣ쳣жϼʱСƷѵǣͨܵõ֤
ARPţֻɴ˴ͻ⡣֮ìܡֻͨõ֤
ڵARPܴӸϽͻߡʱ⡣

2ͻIPַMACַԹ

    SIPӼƷһֱͻIPMACַ;MACַиı
쳣ֹͣÿͻͻһ˾ͻֵߡ
    ùΪ˷ֹIPַöơһͻ¼һûԹÿͻԣ
ͻȻȻ󹥻ͻIPַĳɱͻղŵIPַͿ¼
ͨIPáSIPӼƷͻMACַǷ;ı䣬
ֹķ
    ʵз֣ев󹥻ԣߵԱвҲ
ͨŲƷѻ鵽õԷIPMACַ;ı䡣ʱͻҲ
޷ߡͻԼգ޷ȥͻдڵ⡣
ʹеìܡڲдARP£IPMACĶӦϵȫңøùܺ
صĿͻ
    ֹͣùܺ󣬿ʺŵáǿͻԶȡIPַ£һ˲
͹رյԣһ˸պ磬ܸպԶȡǰһ˵ԵIPַ¿
Ϳʹǰһ˵ͨþͻ¼ǰһʺͷϡ
    ѡܣһֵܣԼⲢڵARPԴԣʱųARP
ܱ֤ﵽ100%׼ȷԡֵARP쳣־ʽ¼sipmonitor.exe
ļĿ¼µġ쳣ARP־.txtļС
