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    cpu-protec type {arp|bpdu|dhcp|ipv6mc|igmp|rip|ospf|vrrp|pim|ttl1|unknown-ipmc|dvmrp pps pps_vaule

 

    ÉèÖÃÿÖÖÀàÐͱ¨ÎÄÓ³ÉäµÄ¶ÓÁÐ£¬priÄܹ»ÔÚ0-7Ö®¼äÉèÖÃ£¬7Ëù¶ÔÓ¦µÄÓÅÏȼ¶×î¸ß£¬0Ëù¶ÔÓ¦µÄÓÅÏȼ¶×îµÍ¡£

 

    cpu-protec type { arp|bpdu|dhcp|ipv6mc|igmp|rip|ospf|vrrp|pim|-ttl1|unknown-ipmc} pri pri_vaule

 

3.2 ʵʱÏÔʾ

 

    ʵʱÏÔʾµ±Ç°CPU´¦Öø÷À౨ÎÄͳ¼ÆÖµ£¬Ô̺¬»¥»»»úÊÕµ½µÄ¸÷À౨ÎĵÄÀÛ¼ÓÖµºÍËÙ¶È£¬ÒÔ¼°±»Å×ÆúµÄ±¨ÎÄÊý£¬Í¨¹ýÕâЩÊý¾Ý£¬Äܹ»Ê¹Óû§ÊµÊ±ÏàʶÍøÂçÖе±Ç°µÄ»òÕßÒ»¶Î¹¦·òÄڵĸ÷À౨ÎĵÄÁ÷Á¿Çé¿ö£¬²¢Äܹ»ÒÔ´ËΪƾ¾Ý£¬Ö´ÐÐCPPÉèÖᣲ¢ÇÒ¶ÔÓÚS86É豸£¬³ýÁËÖ§³Ö»ùÓÚ±¨ÎÄÀàÐ͵ÄÁ÷Á¿Í³¼Æ±í£¬»¹Ö§³Ö»ùÓÚÖÎÀí°åºÍËùÓÐÏß¿¨µÄÁ÷Á¿µÄ±ðÀëÏÔʾ£¬Ê¹±¨ÎÄÊý¾ÝÄÜϸ»¯µ½Ã¿Ò»¿éÏß¿¨¡£
 

 

                       ͼ3-1 cppµÄÏÔʾ½çÃæ

 

3.3 ÅäÖÃÊ·ý

 

    1. ͨ¹ý¹Û²ìCPPµÄʵʱÏÔʾ£¬Äܹ»Ã÷È·µ±Ç°»¥»»»úÊÇ·ñÊܵ½Ä³ÖÖ±¨ÎĵĹ¥»÷£¬Èçͼ4£¬ÏÔÈ»£¬ARP±¨ÎĵÄÁ÷Á¿´æÔÚÒì³££¬ÕâʱÄܹ»Í¨¹ýÅäÖÃCPPµÄÁ÷Á¿Ï޶ȴﵽ±£»¤»¥»»»úCPUµÄÖ÷ÕÅ¡£

 

cpu-protec type arp pps 400

 

    2. µ±Ä³¸ö¶Ë¿ÚÉϵÄÊäÈëÁ÷Á¿´ïµ½ÏÞËÙ»òÕß½øÈëÁËHOL״̬ʱ£¬»òÕ߸ö˿ÚÉÏ´æÔÚ¶àÖÖ±ØÒªÓÉ»¥»»»úCPU´¦Öñ¨ÎÄʱ£¬¾Í±ØÒª½ç¶¨ÕâЩ±¨ÎĵÄÓÅÏȼ¶¹Øϵ£¬ÕâЩÓÅÏȼ¶¹ØϵÄܹ»Æ¾¾ÝµÄÍøÂç»·¾³ÉèÖÃÖ´ÐС£
 

 

 

3.4 É¢²¼Ê½CPP

 

    S86µÄÖÎÀí°åÓëÏß¿¨µÄ¼Ü¹¹Ê¹S86µÄCPPÓµÓÐÁËÉ¢²¼Ê½µÄÌصã£¬ËüµÄÀûÒæÊÇÔÚÓ²¼þʵÏÖµÄCPPµÄ»ù´¡ÉÏ£¬Óɸ÷¸öÏß¿¨½øÐÐÒ»¼¶¹ýÂË£¬¶øÖÎÀí°å½øÐжþ¼¶¹ýÂË£¬Í¨¹ýÕâÖÖ¶þ¼¶¹ýÂ˵ĻúÔì£¬Ê¹ÖÎÀí°å´ó´ó½µµÍÁ˱»¹¥»÷µÄ¿ÉÄÜÐÔ£¬Ê¹ÖÎÀí°åµÄ¸÷ÀàºÍ̸ÄÜ°²ÎȵØÔËÐÐ£¬×î´óˮƽµÄ±£»¤ÁËÖÎÀí°åµÄCPU×ÊÔ´£¬±£ÕÏÁËÍøÂçµÄ°²È«ºÍ²»±ä¡£

 

    S86µÄÉ¢²¼Ê½CPP¹æ»®ÔÚS86²úÆ·µÄËùÓÐÀàÐÍÏß¿¨É϶¼Äܹ»Ö§³Ö£¬²¢ÇҸù滮Ҳ±£ÕÏÁËÒÔÀ´S86ÒÔÀ´ÐÂÔöµÄÏß¿¨Ò²ÄÜÌṩͬÑùµÄÖ§³Ö£¬ÕâÒ»µãÊÇÆäËû²úÆ·Ëù²»¾ß±¸µÄ¡£

 

    É¢²¼Ê½µÄ¶þ¼¶¹ýÂ˵ÄÉè¼ÆÇкÏS86µÄÖÎÀí°åºÍ¶à¿éÏß¿¨µÄ¼Ü¹¹£¬ÕâÑùÿһ¿éÏß¿¨ÉϵÄCPP±£ÕÏÁËÿһ¿éÏß¿¨¿ÉÄܶÔËÍCPUµÄ±¨ÎÄÖ´ÐзÖÀàÏÞËÙ£¬µ«ÊÇÓÉÓÚ¶à¿éÏß¿¨µÄÔµ¹Ê£¬ÕâÑùÖÎÀí°åÊÕµ½µÄÿһÀ౨ÎÄÈÔÓпÉÄÜ´óÓÚÏÞËÙʱ£¬ÕâʱÖÎÀí°åµÄCPPÓÖÔÙÒ»´Î±£ÕÏÁËÖÎÀí°åµÄCPÔ¤·ÀÊÕµ½´óÁ¿±£ÎĵĹ¥»÷¡£

 

4 CPP¼¼Êõ»úÄܲâÊÔ

 

    ÒÔRG-S8600ÔÚ¼¯ÃÀ´óѧµÄÀûÓÃÍØÆËΪÀý£¬·ÖÎöCPPÔÚ²»±äÍøÂçÍØÆ˵Ä×÷Ó᣼¯ÃÀ´óѧµÄÍØÆË¿ò¼ÜÈçÏÂ£¬Ö÷ÌâÉ豸ΪCISCOµÄS6509,ͬÏÂÁªµÄ»ã¾ÛÉ豸S8606ÔËÐÐOSPFºÍ̸£»

 

    S8606ͨ¹ýÍòÕ×Ïß·ͬS6509ÏàÏνÓ£»S8606ºÍS6509ÏàÏνӵĶ˿ÚΪTRUNK¿Ú£¬¸Ã¶Ë¿ÚÊÇËùÓеÄVLAN³ÉÔ±¿Ú£¨Ã¿¸ö¶Ë¿ÚÅäÖÃ100¸övlan£©£»S8606ÏÂÁª¶þ²ãÉ豸£¬Í¬¶þ²ãÉ豸µÄÏνӶ˿ÚÒ²ÊÇÑ¡È¡TRUNK¿Ú£¬²¢ÇÒûÓнøÐÐVLANÅäÖá£

 

                                      ͼ4-1

 

    ÕâÀïÖØÒª²âÊÔCPP¿¹¹¥»÷µÄÄÜÁ¦¡£²âÊÔÊý¾ÝÁ÷ÓÃSMB²úÉú£¬°Î»ñµÃ¹Û²ìµãΪͼÖÐ×îÓұߵÄRG-S8606£¬Ã¿Ì¨RG-S8606µÄÅäÖÃΪ£º
 

    M8606- CM I
 

    M8600- 24SFP/12GT
 

    M8600- 02XENPAK

 

¹¥»÷ÀàÐÍ£º
 

  ARP±¨ÎĹ¥»÷
 

  BPDU±¨ÎĹ¥»÷
 

  GVRP±¨ÎĹ¥»÷
 

  TTL=1µÄIP±¨ÎĹ¥»÷
 

  ´ò¿ªOSPFºÍ̸ÏµĹ¥»÷²âÊÔ
 

  ´ò¿ªRIPºÍ̸ÏµĹ¥»÷²âÊÔ
 

  ±¨ÎÄPIM±¨ÎĹ¥»÷

 

Êý¾Ý¼Í¼ÄÚÈݼ°·ÖÎöÁ˾Ö

 

1. Ô¤·ÀARP¹¥»÷±¨ÎÄ

 

Arp²¿ÃŹ¥»÷²âÊÔ
 

 

 

½áÂÛ£º´ÓÒÔÉÏÊý¾ÝÀ´¿´£¬µ±Ñ¡È¡CPP±£»¤»úÔìºó£¬Äܹ»ÓÐЧ·À¡£

 

2. Ô¤·ÀL2ºÍ̸±¨ÎĹ¥»÷

 

BPDU¹¥»÷²âÊÔ
 

 

 

? Gvrp¹¥»÷²âÊÔ

 

 

    ½áÂÛ£º´ÓÒÔÉÏÊý¾ÝÀ´¿´£¬µ±Ñ¡È¡CPP±£»¤»úÔìºó£¬Äܹ»ÓÐЧԤ·À»¥»»»ú×ÊÔ´±»ÇÀÕ¼£¬¸ù»ùºÍ̸״̬²»»á²úÉúÕñµ´ºÍÔ¾±ä¡£

 

3. Ô¤·ÀL3ºÍ̸±¨ÎĵĹ¥»÷

 

PIM-DM²¿ÃŹ¥»÷²âÊÔ
 

 

?

Ospf²¿ÃŹ¥»÷²âÊÔ

 

 

RIP²¿ÃŹ¥»÷²âÊÔ

 

 

    ½áÂÛ£º´ÓÒÔÉÏÊý¾ÝÀ´¿´£¬µ±Ñ¡È¡CPP±£»¤»úÔìºó£¬Äܹ»ÓÐЧԤ·À»¥»»»ú×ÊÔ´±»ÇÀÕ¼£¬¸ù»ùºÍ̸״̬²»»á²úÉúÕñµ´ºÍÔ¾±ä¡£
 

 

TTL=1²¿ÃŹ¥»÷²âÊÔ
 

 

 

    ½áÂÛ£º´ÓÒÔÉÏÊý¾ÝÀ´¿´£¬µ±Ñ¡È¡CPP±£»¤»úÔìºó£¬Äܹ»ÓÐЧԤ·À»¥»»»ú×ÊÔ´±»ÇÀÕ¼£¬¸ù»ùºÍ̸״̬²»»á²úÉúÕñµ´ºÍÔ¾±ä¡£

 

5 ʵÏÖÓï

 

    CPPÖ°ÄܶÔÓÚÌá¸ß»¥»»»ú¿¹¹¥»÷µÄÄÜÁ¦£¬Î¬³ÖÍøÂçÍØÆ˺Í·ÓɺÍ̸µÄ²»±äÐÔ£¬±£ÕÏ»¥»»»úµÄ´¦ÖÃÄÜÁ¦µÃµ½ÆëÈ«µÄ²ûÑï£¬Ìṩһ¸öÓÐЧµÄ¹¤¾ß¡£Í¨¹ýCPP±£»¤Õ½Êõ£¬Ê¹ÍøÂçÉ豸µÄ°²È«ÄÜÁ¦µÃµ½Á˸ü´óµÄÌáÉý¡£