SLIP(Serial Line Internet Protocol,\u4e32\u5217\u5f0f\u7dda\u8def\u7db2\u969b\u7db2\u8def\u901a\u8a0a\u5354\u5b9a)
\u53ea\u80fd\u7528tcp\/ip\u5354\u5b9a,osi\u7b2c\u4e8c\u5c64,\u5b9a\u7fa9\u5728rfc1055
\u5e74\u4ee3\u65e9,\u7c21\u55ae\u6613\u7528,\u9023\u4e0a\u7db2\u969b\u7db2\u8def\u7528,\u4e0d\u652f\u63f4\u932f\u8aa4\u5075\u6e2c
\u5229\u7528\u9ad8\u901fmodem\u5c07\u7db2\u969b\u7db2\u8def\u7684\u8cc7\u8a0a\u50b3\u9001\u65bc\u96fb\u8a71\u7dda\u4e0a
\u53ef\u5728\u4e32\u5217\uff0c\u5982RS-232 \u7b49\u754c\u9762\u4e0a\uff0c\u50b3\u9001 TCP\/IP \u8cc7\u6599\u5c01\u5305\u7684\u901a\u8a0a\u5354\u5b9a
\u5c01\u5305\u5167\u7121PAP\u6216CHAP\u8a8d\u8b49\u5c01\u5305
ps:\u5df2\u88abppp\u53d6\u4ee3<\/p>\n\n\n\n
……………………………………………..<\/p>\n\n\n\n
PPP(point to point protocol,\u9ede\u5c0d\u9ede\u5354\u5b9a)
\u7531ietf\u958b\u767c\u7684\u5169\u500b\u5354\u5b9a,\u5b9a\u7fa9\u5728rfc1661
\u5c6c\u5b57\u5143\u5c0e\u5411
\u516c\u5b9a\u6a19\u6e96,\u591a\u5ee0\u5546\u652f\u63f4
\u591a\u91cd\u5354\u5b9a\u8a0a\u6846\u6a5f\u5236,\u652f\u63f4\u591a\u5be6\u9ad4\u5c64,\u5141\u8a31\u9023\u7d50\u6642\u5354\u5546ip\u4f4d\u5740…\u7b49
\u5167\u5efapap,chap\u6a5f\u5236
ps:\u524d\u8eab\u70baSLIP<\/p>\n\n\n\n
ppp\u898f\u7bc4\u5169\u5c64 LCP(link control protocol,\u9023\u7d50\u63a7\u5236\u5354\u5b9a):\u7528\u4f86\u7ba1\u7406\u9023\u7dda NCP(network control protocol,\u7db2\u8def\u63a7\u5236\u5354\u5b9a):\u7528\u4f86\u5c01\u88dd\u591a\u91cd\u5354\u5b9a …………<\/p>\n\n\n\n ppp\u8a0a\u6846 \u9023\u7dda\u904e\u7a0b \u7d50\u675f\u9023\u7dda\u904e\u7a0b …………..<\/p>\n\n\n\n PPPoE(Point to Point Protocol over Ethernet,\u4e59\u592a\u7db2\u8def\u9ede\u5c0d\u9ede\u901a\u8a0a\u5354\u5b9a) ppp\u591a\u9023\u63a5\u5354\u8b70 SLIP(Serial Line Internet Prot …<\/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":[28],"tags":[],"class_list":["post-831","post","type-post","status-publish","format-standard","hentry","category-wan"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/831","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=831"}],"version-history":[{"count":0,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/831\/revisions"}],"wp:attachment":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/media?parent=831"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/categories?post=831"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/tags?post=831"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\u8cc7\u6599\u93c8\u7d50\u5c64:\u7528hdlc\u7684\u4fee\u6539\u7248
\u5be6\u9ad4\u5c64:\u652f\u63f4\u4efb\u4f55ansi\u6a19\u6e96\u7684\u5354\u5b9a,analog circuits,synchronous\u548casynchronous serial
ppp\u5806\u758a\u5982\u4e0b:<\/p>\n\n\n\nlayer 3<\/td> ip,ipx,apple talk,…\u7b49\u4e0a\u5c64\u5354\u5b9a<\/td><\/tr> layer 2
\u8cc7\u6599\u93c8\u7d50\u5c64<\/td>NCP
LCP
HDLC\u6216link control protocol<\/td><\/tr>layer 1
\u5be6\u9ad4\u5c64<\/td>EIA\/TIA-232,V.24,V.35,HSSI,ISDN,…\u7b49<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u652f\u63f4:\u540c\u6b65\/\u975e\u540c\u6b65\u7dda\u8def,\u4f4d\u5143\/\u4f4d\u5143\u7d44\u5c0e\u5411\u7de8\u78bc
\u529f\u80fd:
\u3000\u5efa\u7acb\u53ca\u95dc\u6389\u9023\u7dda,\u6e2c\u8a66,\u8a2d\u5b9a,\u5354\u5546\u9078\u9805
\u3000authentication(\u8a8d\u8b49):\u6709pap,chap\u5169\u7a2e
\u3000compression(\u58d3\u7e2e):\u5728\u8cc7\u6599\u50b3\u9001\u524d\u58d3\u7e2e\u53ef\u589e\u52a0ppp\u9023\u7dda\u7684\u7522\u51fa
\u3000error detection(\u932f\u8aa4\u5075\u6e2c)
\u3000multilink(\u591a\u91cd\u9023\u7d50):\u53ef\u591a\u689d\u5be6\u9ad4\u7dda\u8def\u5408\u4f75\u6210\u4e00\u689d\u908f\u8f2f\u7dda\u8def
\u3000callback(\u56de\u547c):\u6210\u529f\u8a8d\u8b49\u5f8c\u56de\u982d\u547c\u53eb,\u5373\u53ef\u6839\u64da\u5b58\u53d6\u8cbb\u7528\u4f86\u8a18\u9304\u4f7f\u7528\u91cf
lcp\u8a0a\u6846\uff1a\u542b\u5728ppp\u8a0a\u6846\u5167\u8ca0\u8f09\u6b04\u5167,\u5354\u5b9a\u6b04\u9700\u8a2dC02166
\u3000code(\u4ee3\u78bc)1byte
\u3000id(\u5e8f\u78bc)1byte
\u3000length(\u9577\u5ea6)2byte
\u3000information(\u8cc7\u8a0a)\u8b8a\u52d5byte<\/p>\n\n\n\n
\u70ba\u5bb9\u8a31ppp\u8a0a\u6846\u4e2d\u4f86\u81ea\u7db2\u8def\u5c64\u5354\u5b9a\u7684\u8cc7\u6599\u5c01\u88dd\u63a7\u5236\u5354\u5b9a
\u542b\u7b2c\u4e8c\u5c64\u548c\u4e00\u4e9b\u7b2c\u4e09\u5c64,\u7db2\u8def\u5c64\u5354\u5546\u65b9\u5f0f,\u6bcf\u7a2e\u7db2\u8def\u5c64\u652f\u63f4\u4e0d\u540c,ex:ip\u7528ipcp,ipx\u7528ipxcp
ipcp\u5c01\u5305\u542b\u5728ppp\u8a0a\u6846\u5167\u8ca0\u8f09\u6b04\u5167,\u5354\u5b9a\u6b04\u9700\u8a2d802166,\u683c\u5f0f\u540clcp\u5c01\u5305<\/p>\n\n\n\n
flag(\u65d7\u6a19\u4f4d\u5143\u7d44)1byte:\u8b58\u5225\u908a\u754c,\u503c\u70ba01111110,\u540cHDLC
address(\u4f4d\u5740)1byte:\u4f7f\u7528hdlc\u7684\u5ee3\u64ad\u4f4d\u574011111111,\u4ee5\u907f\u514d\u8cc7\u6599\u9023\u7d50\u7684\u4f4d\u5740\u5728\u5354\u5b9a\u4e2d
control(\u63a7\u5236)1byte:\u7528u-frame\u683c\u5f0f,\u5167\u5b9a\u503c\u70ba00000011,\u8868\u7121\u7de8\u865f\u8a0a\u6846(\u9810\u8a2d\u4e0d\u7528\u5e8f\u865f\u56de\u61c9\u6a21\u5f0f\u63d0\u4f9b\u53ef\u9760\u50b3\u8f38),\u4e0d\u63d0\u4f9b\u6d41\u91cf\u932f\u8aa4\u63a7\u5236
protocol(\u5354\u5b9a)1-2byte:\u5224\u5225\u8ca0\u8f09\u6b04\u5167\u662f\u90a3\u4e00\u578b\u5c01\u5305,\u7b2c\u4e00\u4f4d\u51430\u5c6c\u7db2\u8def\u5c64\u5354\u5b9a,1\u5247\u8868\u548c\u5c0d\u65b9\u5354\u5546\u7528\u5354\u5b9a
data(\u8ca0\u8f09\u6b04),>0byte:\u6c92\u900f\u904elcp\u5efa\u9023\u7dda\u9810\u8a2d\u70ba1500,\u9700\u8981\u7684\u8a71\u5176\u5f8c\u6703\u586b\u585e\u4f4d\u5143,\u53ef\u5305lcp\u5c01\u5305
fcs 2-4byte\uff1a\u932f\u8aa4\u6aa2\u67e5\u7528,\u7528crc,\u53ef\u7d93\u7531\u5354\u5546\u6539\u70ba4byte
flag(\u65d7\u6a19\u4f4d\u5143\u7d44)1byte:\u540c\u4e0a<\/p>\n\n\n\n
1link establishment phase(\u93c8\u8def\u5efa\u7acb\u968e\u6bb5):
\u30001.1pc\u900f\u904e\u6578\u64da\u6a5f\u547c\u53ebisp\u8def\u7531\u5668,\u5c0d\u65b9\u56de\u7b54\u5f8c\u5be6\u9ad4\u9023\u7d50\u5efa\u7acb
\u30001.2\u6bcf\u500bppp\u8a2d\u5099\u767c\u9001lcp\u8a0a\u6846,\u4ee5\u7d44\u614b\u8207\u6e2c\u8a66\u8a72datalink
\u3000lcp\u8a0a\u6846\u542b\u7d44\u614b\u9078\u64c7\u6b04\u4f4d,\u8b93\u8a2d\u5099\u9078\u64c7\u8981\u7528\u7684ppp\u53c3\u6578,ex:MTU,compression,authentication,…
\u3000ps:\u82e5lcp\u8a0a\u6846\u672a\u542b\u7d44\u614b\u9078\u9805,\u5c31\u7528\u9810\u8a2d\u503c
2authentication phase(\u8a8d\u8b49\u968e\u6bb5):\u9078\u64c7\u6027
\u3000\u82e5\u9700\u8a8d\u8b49\u5247\u4f7f\u7528pap\u6216chap
\u3000ps:pap\u4f7f\u75282way handshake,chap\u4f7f\u75283way handshake
3network layer protocol phase(\u7db2\u8def\u5c64\u5354\u5b9a\u968e\u6bb5):
\u3000\u5229\u7528ncp\u4ee5\u5c01\u88dd\u591a\u500b\u7db2\u8def\u5c64\u5354\u5b9a,\u4e26\u900f\u904eppp\u8cc7\u6599\u93c8\u7d50\u4f86\u50b3\u9001,\u5404\u7db2\u8def\u5c64\u5354\u5b9a\u6703\u8207ncp\u5efa\u7acb\u4e00\u500b\u670d\u52d9<\/p>\n\n\n\n
1ncp\u62c6\u6389\u7db2\u8def\u5c64\u9023\u7d50\u91cb\u653eip\u4f4d\u5740
2lcp\u95dc\u9589\u8cc7\u6599\u93c8\u7d50\u5c64\u9023\u63a5
3\u6578\u64da\u6a5f\u7d50\u675f\u91cb\u653e\u5be6\u9ad4\u5c64\u9023\u7d50
lcp\u8a0a\u6846\u578b\u614b
\u5141\u8a31\u555f\u59cb\u8005\u63d0\u51fa\u9078\u9805
configure-request \u63d0\u8b70\u7684\u9078\u9805\u8207\u503c\u4e4b\u4e32\u5217
terminate-request \u8acb\u6c42\u95dc\u9589\u50b3\u8f38\u7dda
echo-requiest \u8acb\u9001\u56de\u8a0a\u6846
discard-request \u4e1f\u68c4\u6b64\u8a0a\u6846,\u6e2c\u8a66\u7528<\/p>\n\n\n\n
\u5b9a\u7fa9\u5728rfc2516
\u5efa\u7acb\u5728Ethernet\u8207Point-to-Point\u6280\u8853\u4e4b\u4e0a\u7684\u901a\u8a0a\u5354\u5b9a\uff0c\u5141\u8a31\u96fb\u8166\u8207xDSL\u3001\u7e9c\u7dda\u6216\u7121\u7dda\u5bec\u983b\u7b49\u5bec\u983b\u9023\u63a5\u8a2d\u5099\u5efa\u7acb\u9023\u63a5\u4ecb\u9762\uff0c\u4ee5\u5feb\u901f\u5b58\u53d6\u7db2\u969b\u7db2\u8def,\u53ef\u8207\u539f\u6709\u7684\u64a5\u63a5\u7db2\u8def\u57fa\u790e\u5efa\u8a2d\u76f8\u4e92\u6574\u5408\uff0c\u652f\u63f4\u73fe\u6709\u7684\u7db2\u8def\u670d\u52d9\uff0c\u5305\u62ec\u8eab\u5206\u9a57\u8b49\u3001\u5b89\u5168\u5b58\u53d6\u8207\u5e33\u6236\u7ba1\u7406\u7b49
\u800cPPPoE\u8edf\u9ad4\u662f\u7528\u65bc\u5728xDSL\/Cable\/LMDS \u7b49\u7db2\u8def\u67b6\u69cb\u4e0a\u9032\u884c\u8a8d\u8b49\u7528\u6236\u3001\u8a18\u9304\u7528\u6236\u7684\u9023\u7dda\u6642\u9593, \u4e26\u53d6\u5f97\u52d5\u614b\/\u975c\u614bIP
PPPoA (Point-to-Point Protocol Over ATM)
\u5b9a\u7fa9\u5728rfc2364
\u5efa\u57fa\u65bcPPP\u7684\u6280\u8853\u6240\u767c\u5c55\u51fa\u4f86, \u800c\u900f\u904eATM Card\u4ee5\u9023\u63a5\u7528\u6236\u7aef<\/p>\n\n\n\n
\u5b9a\u7fa9\u5728rfc1717
\u53ef\u5728\u5169\u500b\u7cfb\u7d71\u9593\u63d0\u4f9b\u591a\u689d\u9023\u7dda\u4ee5\u589e\u52a0\u984d\u5916\u983b\u5bec,\u5141\u8a31\u5c07\u591a\u689d\u9023\u7dda\u5408\u800c\u70ba\u4e00\u63d0\u9ad8\u541e\u5410\u91cf<\/p>\n","protected":false},"excerpt":{"rendered":"