{"id":790,"date":"2008-07-05T11:48:00","date_gmt":"2008-07-05T03:48:00","guid":{"rendered":"http:\/\/note.systw.net\/note\/?p=790"},"modified":"2023-11-05T11:54:05","modified_gmt":"2023-11-05T03:54:05","slug":"rfc1058-rip","status":"publish","type":"post","link":"https:\/\/systw.net\/note\/archives\/790","title":{"rendered":"RFC1058 RIP"},"content":{"rendered":"\n

RIP(Routing Information Protocl,\u8def\u7531\u8cc7\u8a0a\u5354\u5b9a)
\u4f7f\u7528udp,port520,1998\u5e74\u5b9a\u7fa9\u5728rfc1058
\u8ddd\u96e2\u5411\u91cf\u8def\u7531\u5354\u5b9a
\u9760\u81ea\u5df1\u548c\u8def\u7531\u5668\u53e3\u8033\u76f8\u50b3\u5efa\u7acb\u8def\u7531\u8868,\u4e5f\u7a31\u8b20\u8a00\u9078\u5f91\u6cd5
\u4fe1\u606f\u542b\u591a\u5c0d\u8cc7\u8a0a(\u542b\u4e00\u500bIP\u4f4d\u5740\u548c\u901a\u5f80\u53e6\u4e00\u7db2\u8def\u7684\u8ddd\u96e2)
Metric\u6c7a\u5b9a\u662f\u4f9d\u6e2c\u91cfHop Count(\u76ee\u7684\u5730\u8ddd\u96e2),hop\u6700\u5927\u70ba15,\u7b2c16\u8868\u8a72\u7db2\u7121\u6cd5\u9023 
ps:\u82e5\u51fa\u73fe\u8ff4\u5708\u554f\u984c\u53ef\u56e016\u6b21hop\u800c\u505c\u6b62
\u4e3b\u52d5\u8def\u7531\u5668\u5c0d\u5176\u5b83\u6a5f\u5668\u5ee3\u544a\u81ea\u5df1\u7684\u8def\u7531\u8cc7\u8a0a(\u4ea4\u63db\u8def\u7531\u8868),\u9810\u8a2d30\u79d2\u4e00\u6b21
\u88ab\u52d5\u8def\u7531\u5668\u6536\u807d\u5225\u7684\u6a5f\u5668\u5ee3\u64ad\u6539\u8b8a\u8def\u7531\u8cc7\u8a0a,\u672c\u8eab\u4e0d\u5ee3\u64ad
AD=120 <\/p>\n\n\n\n

\u512a\u9ede:<\/strong>
\u5728\u5c0f\u578b\u7db2\u8def\u904b\u4f5c\u826f\u597d
\u7f3a\u9ede:
\u662f\u7121\u6cd5\u9069\u61c9\u5927\u578b\u7db2\u8def,\u6536\u6582\u4e0d\u5feb,\u53ef\u80fd\u7522\u751fpinhole congestion
\u6bcf30\u79d2\u6703\u9001\u51fa\u6574\u500broute table,\u4f54\u983b\u5bec<\/p>\n\n\n\n

pinhole congestion(\u91dd\u5b54\u5f0f\u58c5\u585e)<\/strong>
\u82e5\u5169\u689d\u8def\u5f91\u540chop,\u4f46\u4e00\u689d\u70baT1,\u53e6\u4e00\u689d\u70ba56K
T1\u6210\u672c\u660e\u986f\u8f03\u4f4e,\u6703\u662f\u6700\u597d\u7684\u8def\u5f91
\u4f46rip\u7684metric\u6c7a\u5b9a\u662f\u4f9dhop,\u6240\u4ee5\u5169\u689d\u8def\u5f91\u6703\u5177\u76f8\u540c\u6210\u672c<\/p>\n\n\n\n

\u7528\u56db\u7a2e\u8a08\u6642\u5668\u4f86\u8abf\u7bc0\u6548\u80fd<\/strong>
update timer\uff1a30sec
\u3000\u6642\u9593\u5230\u52d5\u4f5c:\u767c\u4f48\u66f4\u65b0\u7528,\u66f4\u65b0\u6642\u6703\u8907\u88fd\u5b8c\u6574\u8def\u7531\u8868\u7d66\u9130\u5c45
invalid timer:180sec,\u7b49\u5f85\u67d0\u689d\u8def\u5f91\u7684\u66f4\u65b0\u8cc7\u8a0a,\u6536\u5230\u66f4\u65b0\u5247\u6b780sec
\u3000\u6642\u9593\u5230\u52d5\u4f5c:\u5224\u65b7\u8def\u5f91\u7121\u6548,\u9032\u5165holddown\u72c0\u614b,\u4e26\u50b3\u9001\u7121\u6cd5\u62b5\u9054\u8def\u5f91\u7684\u66f4\u65b0\u7d66\u9130\u5c45
holddown timers:180sec,holddown\u72c0\u614b,\u4e0d\u518d\u76f8\u4fe1\u5f8c\u7e8c\u66f4\u65b0,\u7b49\u5f85\u6536\u5230\u5177\u6709\u8f03\u4f73\u8861\u91cf\u6307\u6a19\u7684\u66f4\u65b0\u5c01\u5305
\u3000\u6642\u9593\u5230\u52d5\u4f5c:\u96e2\u958bholddown\u72c0\u614b
\u3000ps:invalid timer\u6642\u9593\u5230\u6216\u6536\u5230\u67d0\u8def\u5f91\u7121\u6cd5\u62b5\u9054\u7684\u66f4\u65b0\u8cc7\u8a0a,\u6703\u9032\u5165holddown\u72c0\u614b
flush timer:240sec,\u7b49\u5f85\u67d0\u689d\u8def\u5f91\u66f4\u65b0,\u82e5\u6536\u5230\u66f4\u65b0\u70ba\u6709\u6548\u5247\u6b780sec(\u548cupdate\u53cainvalid)
\u3000\u6642\u9593\u5230\u52d5\u4f5c:\u5f9e\u8def\u7531\u8868\u4e2d\u79fb\u9664\u8a72\u8def\u5f91
ps:invalid timer\u9700\u5c0f\u65bcflush timer,\u8b93\u8def\u7531\u5668\u5728\u66f4\u65b0\u81ea\u5df1\u8def\u5f91\u8868\u524d\u6709\u8db3\u5920\u6642\u9593\u5c07\u7121\u6548\u8def\u5f91\u544a\u77e5\u9130\u5c45<\/p>\n\n\n\n


\u65b7\u8a0a\u53ef\u80fd\u6703\u8b93\u8def\u7531\u5668\u6703\u82b1\u5f88\u591a\u6642\u9593\u8655\u7406,\u4e5f\u7a31count-to-infinity(\u7121\u6b62\u5883\u8a08\u6578)\u554f\u984c\u6216routing loops
\u89e3\u6c7arip\u51fa\u73fe\u65b7\u8a0a\u53ca\u52a0\u5feb\u6536\u6582\u65b9\u6cd5
split horizon
route poisoning:\u628a\u554f\u984c\u81ea\u6211\u4e86\u65b7
poison reverse:\u82e5\u662f\u767c\u89ba\u9023\u7dda\u5df1\u65b7,\u5247\u5c07\u8def\u5f91\u6b0a\u503c\u8a2d16\u4e14\u4e0b\u4e00\u8f2a\u767c\u51fa\u66f4\u65b0\u901a\u544a,\u4e0b\u6e38\u8def\u7531\u5668\u6703\u9032\u5230holddown\u72c0\u614b
triggered updates:\u6709\u4e8b\u767c\u751f\u7acb\u5373\u901a\u77e5\u5168\u90e8,\u53ef\u7bc0\u7701\u76f8\u9130\u8def\u7531\u5668\u6536\u6582\u6642\u9593\u6700\u591a\u53ef\u905430\u79d2
hold down timer:\u53ef\u907f\u514drouting loop<\/p>\n\n\n\n

…………. <\/p>\n\n\n\n

RIPv2<\/strong>
\u5b9a\u7fa9\u5728rfc2453\u4e2d 
ad,\u6536\u6582\u901f\u5ea6,\u8a08\u6642\u5668\u7686\u548cripv1\u76f8\u540c
\u8207ripv1\u5dee\u7570\u5982\u4e0b:
\u9810\u8a2d\u7528multicast,\u4e5f\u53ef\u50cfripv1\u5ee3\u64ad,multicast\u4f4d\u7f6e\u70ba224.0.0.9
\u652f\u63f4prefix routing(\u5b57\u9996\u8def\u7531),\u4e26\u5728\u8def\u5f91\u66f4\u65b0\u6642\u9001\u51fa\u5b50\u7db2\u8def\u906e\u7f69\u7684\u8cc7\u8a0a,\u56e0\u6b64\u53ef\u652f\u63f4classless\u548cVLSM\u53ca\u975e\u9023\u7e8c\u7db2\u8def
\u53ef\u5728\u8def\u7531\u66f4\u65b0\u4e2d\u63d0\u4f9bauthentication,\u6709\u660e\u6587\u548cmd5\u65b9\u6cd5\u53ef\u7528 <\/p>\n\n\n\n

RIPng<\/strong>
\u652f\u63f4ipv6\u7684rip,\u65bcrfc2080\u8a73\u8ff0
\u4e3b\u8981\u7279\u6027\u548cripv2\u76f8\u540c
update multicast\u7684ipv6\u683c\u5f0f\u5247\u70baff02::9<\/p>\n\n\n\n

RIPng\u7684\u5dee\u7570<\/strong>
udp\u901a\u8a0a\u57e0\u70ba521,ripv2\u70ba520
\u7121automatic summarization,ripv2\u53ef\u4ee5
\u4f7f\u7528ipv6\u7684\u9130\u5c45\u9a57\u8b49\u6a5f\u5236,\u800c\u4e0d\u662frip\u5c08\u7528\u7684 <\/p>\n","protected":false},"excerpt":{"rendered":"

RIP(Routing Information Protoc …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[25],"tags":[],"class_list":["post-790","post","type-post","status-publish","format-standard","hentry","category-osi-layer3"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/790","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/comments?post=790"}],"version-history":[{"count":0,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/790\/revisions"}],"wp:attachment":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/media?parent=790"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/categories?post=790"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/tags?post=790"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}