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1 ·´Ïò·¾¶¼ì²éReverse Path Forwarding (RPF)

 

2 Òì²½¼ì²é£¨asymroute£¬Ò²¾ÍÊǸ÷È˳£ËµµÄÅþÁ¬ÍêÕûÐÔ¼ì²é£©

 

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#config system settings

#set asymroute enable

#end

 

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#config system settings

#set tcp-session-without-syn enable (ĬÈÏdisable)

#end

 

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#diagnose debug enable   //¿ªÆôdebug

 

#diagnose debug flow show console enable   //ÆôÓÃdebug flowÏÔʾ´òÓ¡£¬ÓÐЩ°æ±¾²»ÐèÒªÇÃ

 

#diagnose debug flow show function-name enable   //ÏÔʾdebug flow ¹¦Ð§Ãû³Æ£¬±ãÓÚ´òÓ¡ÐÅÏ¢Êä³ö£¬ÓÐЩ°æ±¾¿ÉÒÔ²»±ØÇÃ

 

#diagnose debug flow filter addr 192.168.1.110  //¹ýÂËÌõ¼þ£¬×èÖ¹×¥°üÎÞÓÃÐÅÏ¢¹ý¶à£¬ÕâÀï¹ýÂ˵ØÖ·£¬filter £¿¿ÉÒÔÉó²é¹ýÂËÄÄЩÌõ¼þ

 

 

#diagnose debug flow trace start 100  //×îÏÈ×¥100ÌõÊý¾ÝÁ÷

 

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id=36871 trace_id=1 msg="vd-root received a packet(proto=6, 192.168.

1.110:51661->119.253.62.131:80) from internal. "id=36871 trace_id=1 msg="allocate a new session-00016920" //internal¿ÚÊÕµ½Êý¾Ý£¬½¨ÉèлỰ

 

id=36871 trace_id=1 msg="find a route: gw-192.168.118.1 via wan1"  //²éÕÒµ½Â·Óɱí

 

id=36871  trace_id=1 msg="find SNAT: IP-192.168.118.28, port-43333" //¼ì²â±£´æNATÉèÖÃ

 

id=36871  trace_id=1 msg="Allowed by Policy-1: SNAT" //Æ¥ÅäÕ½ÂÔ,ID1

 

id=36871  trace_id=1 msg="SNAT 192.168.1.110->192.168.118.28:43333"//×öNAT    

 

id=36871 trace_id=3 msg="vd-root received a packet(proto=6,

 

119.253.62.131:80->192.168.118.28:43333) from wan1."  // Wan1¿ÚÊÕµ½·µ»ØÊý¾Ý°ü

 

id=36871 trace_id=3 msg="Find an existing session, id-00016920, reply     direction"¡¡//Êý¾Ý°üÆ¥Åä»á»°id-0001692

 

id=36871 trace_id=3 msg="DNAT 192.168.118.28:43333->192.168.1.110:51661"  //×ö·´ÏòµÄDNAT

 

id=36871 trace_id=3 msg="find a route: gw-192.168.1.110 via internal"  //²éÕÒ·ÓÉ£¬·¢Ë͵½internal¿Ú              

 

id=36871 trace_id=5 msg="vd-root received a packet(proto=6,192.168.1.110:51661->119.253.62.131:80) frominternal." //internal¿ÚÊÕµ½ºóÐøÊý¾Ý°ü

 

id=36871 trace_id=5 msg="Find an existing session, id-00016920, original     direction" //Æ¥Åä»á»°id-0001692¡¡¡¡

 

id=36871 trace_id=5 msg="enter fast path" //Ö±½Óת·¢    

 

id=36871 trace_id=5 msg="SNAT 192.168.1.110->192.168.118.28:43333"  //NAT

 

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#diagnose debug flow trace stop      //×èÖ¹

#diagnose debug disable             //¹Ø±Õ

#diagnose debug reset               //ÖØÖÃ

#diagnose debug flow filter clear     //¿ÉÒÔÇå¿ÕdebugµÄ¹ýÂËÌõ¼þÉèÖÃ

 

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