IPv6,IPng(Internet Protocol Next generation)
1995\u5e74SIPP\u88ab\u66f4\u540d\u70baIPv6
\u53ef\u4e26\u5b58\u65bc\u539f\u6709IPv4\u7684\u74b0\u5883\u4e0b\u9032\u884c\u901a\u4fe1
ps:
IPv5,\u63d0\u4f9b\u7d66Stream Protocol\u5be6\u9a57\u5354\u5b9a\u4f7f\u7528<\/p>\n\n\n\n
ipv6\u6bd4ipv4\u9032\u6b65\u7684\u6709:
\u66f4\u591a\u7684\u4f4d\u5740\u6578\u91cf
\u5177\u6709Auto-Configuration\u6a5f\u5236,\u53ef\u81ea\u52d5\u8a2d\u5b9aclient ip
\u63d0\u4f9brenumbering\u6a5f\u5236:\u53ef\u4e0d\u65b7\u91cd\u63dbip,\u70ba\u4e86\u8cc7\u5b89
\u4fdd\u5bc6\u6027\u66f4\u4f73
\u63d0\u5347Routing(\u8def\u7531)\u6548\u7387<\/p>\n\n\n\n
IPv6\u6307\u6d3e\u7a0b\u5e8f<\/strong> ………………………<\/p>\n\n\n\n \u6574\u5408\u8a8d\u8b49\u53ca\u5b89\u5168\u7684\u6a5f\u5236,\u5f37\u5316\u7684\u5b89\u5168\u6027 \u8f03\u4f73\u7684\u8def\u7531\u6548\u7387\u53ca\u6700\u4f73\u5316 \u670d\u52d9\u54c1\u8cea\u7684\u4fdd\u8b49,\u652f\u63f4\u8072\u97f3\u8207\u5f71\u50cf,\u53ca\u66f4\u597d\u7684QoS(\u54c1\u8cea\u7ba1\u63a7) \u81ea\u52d5\u8a2d\u5b9a\u53ca\u884c\u52d5\u6027\u7684\u529f\u80fd … <\/p>\n\n\n\n IPv6 header<\/strong> IPv6\u522a\u9664ipv4\u7684\u4ee5\u4e0b\u529f\u80fd <\/strong> header format<\/strong> …………………..<\/p>\n\n\n\n ipv6\u683c\u5f0f <\/strong> \u7e2e\u5beb\u898f\u5247:<\/strong> prefix length(\u9996\u78bc\u9577\u5ea6) prefix term \u82e5\u8981\u6307\u5b9aport\u865f\u5247\u683c\u5f0f\u70ba[ipv6]:port \u4fdd\u7559IP<\/strong> ……………….<\/p>\n\n\n\n ipv6 address unicast address<\/strong> unique local unicast<\/strong> link-local unicast<\/strong> ps: 64bit interface id<\/strong> EUI-64<\/strong> …<\/p>\n\n\n\n multicast<\/strong> \u5e38\u898b\u7684\u7fa4\u64ad\u4f4d\u5740 anycast<\/strong> ……..<\/p>\n\n\n\n global unicast address\u5206\u914d\u65b9\u5f0f<\/strong> static configuration<\/strong> ps: ps: ND(neighbor discovery) DAD(duplicate address detection,\u91cd\u8907\u4f4d\u5740\u5075\u6e2c)<\/strong> ICMPv6 <\/strong> MLD(Multicast Listener Discovery)<\/strong> <\/p>\n\n\n\n RS(router solicitation)<\/strong> RA(router advertisement)<\/strong> ……………….. <\/p>\n\n\n\n ipv4\/ipv6\u4e92\u901a\u65b9\u5f0f<\/strong>,\u4e3b\u8981\u5206\u4e09\u7a2e translator<\/strong>\u4e3b\u8981\u6709\u4ee5\u4e0b\u5169\u7a2e tunneling<\/strong>\u53ef\u5206\u70ba\u5169\u7a2e MCT(manually configure tunnel)<\/strong> GRE<\/strong> 6to4\u81ea\u52d5\u901a\u9053<\/strong> IPv6,IPng(Internet Protocol Ne …<\/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-772","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\/772","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=772"}],"version-history":[{"count":0,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/772\/revisions"}],"wp:attachment":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/media?parent=772"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/categories?post=772"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/tags?post=772"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
IANA\u6703\u6307\u6d3e\u7d66RIR\u4e00\u4e9bregistry prefix(\u8a3b\u518a\u7db2\u8def)
RIR\u6703\u6307\u6d3e\u7d66ISP\u4e00\u4e9bISP prefix(ISP\u7db2\u8def)
ISP\u6703\u6307\u6d3e\u7d66\u5ba2\u6236\u4e00\u4e9bsite prefix(\u7ad9\u53f0\u7db2\u8def)\/global routing prefix(\u5168\u57df\u8def\u7531\u7db2\u8def)
\u5ba2\u6236\u53ef\u6839\u64da\u9700\u6c42\u81ea\u5df1\u6307\u6d3esubnet network(\u5b50\u7db2\u8def) <\/p>\n\n\n\n
IPv6\u5354\u5b9a\u8a2d\u8a08\u6642\u5df2\u8003\u91cf\u7db2\u8def\u5b89\u5168\u529f\u80fd\uff0c\u5167\u5d4c\u5f0f\u7684\u9ede\u5c0d\u9ede\u5b89\u5168\u4fdd\u8b77\u80fd\u529b,\u63d0\u4f9b\u7db2\u969b\u7db2\u8def\u4e00\u500b\u66f4\u5b89\u5168\u7684\u8cc7\u6599\u4ea4\u63db\u65b9\u5f0f\u3002
IPv6 \u4fc2\u5229\u7528Next Header\u4e2d\u7684Authentication Header\u53caEncrypted Security Payload Header\u5c0d\u50b3\u8f38\u7684\u8cc7\u6599\u9032\u884c\u8a8d\u8b49\u53ca\u52a0\u5bc6\uff0c\u4f7f\u7528\u8005\u5c07\u4e0d\u9700\u900f\u904e\u984d\u5916\u7684\u8a2d\u5099\u6216\u8edf\u9ad4\u5c31\u53ef\u4ee5\u9054\u5230\u7db2\u8def\u5b89\u5168\u7684\u529f\u6548<\/p>\n\n\n\n
IPv6\u5c07\u4f4d\u5740\u7a7a\u9593\u4f7f\u7528\u968e\u5c64\u5f0f\u7684\u65b9\u5f0f\u5283\u5206\u70ba\u4e09\u5c64:
\u3000Top Level Aggregator Identifier
\u3000Next Level Aggregator Identifier
\u3000Site Level Aggregator Identifier
\u5404\u5c64\u8ca0\u8cac\u6388\u6b0aIP\u7db2\u6bb5\u7d66\u5176\u4e0b\u5c64\u7684\u6a5f\u69cb,\u6b64\u7a2e\u7ba1\u7406\u65b9\u5f0f\u4f7f\u5f97\u4ea4\u63db\u7684\u8def\u7531\u8cc7\u8a0a\u53ef\u4ee5\u7d93\u7531\u5f59\u6574\u8b8a\u5f97\u975e\u5e38\u7cbe\u7c21
\u53e6\u5916\u5728\u8655\u7406\u5c01\u5305\u7684\u8868\u982d\u6642\u56e0\u6b04\u4f4d\u6578\u91cf\u6e1b\u5c11\u70ba8\u500b,\u56e0\u6b64\u8def\u7531\u5668\u5224\u65b7\u8f03\u5feb<\/p>\n\n\n\n
IPv6\u7684\u8868\u982d\u4e2d,\u4fdd\u7559\u4e86Flow Label\u7684\u6b04\u4f4d,\u53ef\u548cMPLS\u6280\u8853\u76f8\u914d\u5408,\u4e0d\u540c\u7684\u8cc7\u6599\u6d41\u5c0d\u61c9\u5230\u4e0d\u540c\u7684Flow Label,\u53ef\u505a\u70ba\u670d\u52d9\u54c1\u8cea\u63a7\u5236\u7684\u4f9d\u64da
IPv6\u5728\u8868\u982d\u52a0\u5165\u5169\u9805\u53c3\u6578,\u5305\u62ecTraffic Class(\u8cc7\u6599\u6d41\u7a2e\u985e)\u8207Flow Label(\u8cc7\u6599\u6d41\u6a19\u8a18)\u5c07\u6709\u52a9\u65bc\u670d\u52d9\u54c1\u8cea\u63a7\u5236\u6a5f\u5236\u7684\u8a2d\u8a08<\/p>\n\n\n\n
IPv6\u5728\u8a2d\u8a08\u4e0a\u52a0\u5165\u652f\u63f4\u884c\u52d5IP\u7684\u6a5f\u5236,\u53ef\u81ea\u52d5\u53d6\u5f97IP\u4e0d\u9700\u900f\u904e\u624b\u52d5\u8a2d\u5b9a,\u4ee5\u5229\u672a\u4f86\u652f\u63f4\u884c\u52d5\u7db2\u969b\u7db2\u8def
\u652f\u63f4\u884c\u52d5IP\u6a5f\u5236\u4e2d\u7684\u53e6\u4e00\u9805\u91cd\u8981\u7279\u6027\u5373\u85c9\u7531Neighbor Discovery\u8207Auto-configuration\u6a5f\u5236\u4f86\u7c21\u5316\u4f7f\u7528\u8005IP\u4f4d\u5740\u7684\u8a2d\u5b9a
\u5229\u7528Extension Header\u7684Destinetion Header\u8207Routing Header,\u4f7f\u884c\u52d5\u901a\u8a0a\u4e2d\u4e4b\u8def\u7531\u6a5f\u5236\u7372\u5f97\u6700\u4f73\u5316,\u89e3\u6c7a\u4e86triagle route(\u4e09\u89d2\u8def\u7531)\u7684\u554f\u984c<\/p>\n\n\n\n
\u57fa\u672c\u8868\u982d\u70baipv4\u76842\u500d\u5927,\u4e14\u56fa\u5b9a\u9577\u5ea6,\u4f7f\u5c01\u5305\u8868\u982d\u8655\u7406\u66f4\u6709\u6548
\u6bcf\u500b\u6b04\u4f4d\u76e1\u53ef\u80fd\u5c0d\u9f4a\u5728\u4f4d\u5143\u7d44\u4e0a,\u8b93\u8868\u982d\u7c21\u5316\u8a31\u591a<\/p>\n\n\n\n
1.\u53ef\u9078\u64c7\u6027\u64f4\u5145\u90e8\u5206
2.IP \u5207\u5272\u7684\u529f\u80fd:fragment\u50c5\u80fd\u5728\u5169\u7aef\u9593\u5148\u8655\u7406\u597d\uff0cipv6\u4e0d\u652f\u63f4\u5728\u8a2d\u5099\u4e2d\u5c07packet\u5207\u6210fragment
3.Checksum(\u6aa2\u67e5\u78bc):ipv6\u4e0d\u4f7f\u7528header checksum,\u56e0\u91cd\u50b3\u6210\u672c\u6975\u4f4e\u6240\u4ee5\u82e5\u767c\u73fe\u6709\u932f\u5728\u91cd\u50b3\u5373\u53ef
extension header(\u64f4\u5145\u8868\u982d)<\/strong>
IPv6\u8a2d\u8a08\u4ee5Next Header(\u4e0b\u4e00\u8868\u982d)\u7684\u65b9\u5f0f\u4f86\u589e\u52a0\u8868\u982d\u7684\u53ef\u64f4\u5145\u6027\u3002
\u4f7f\u7528\u8005\u53ef\u4ee5\u900f\u904eNext Header(\u4e0b\u4e00\u8868\u982d)\u7684\u65b9\u5f0f\u81ea\u884c\u5728\u8868\u982d\u4e2d\u6307\u793a\u4e0b\u4e00\u500b\u8868\u982d\u7684\u5167\u5bb9\u4ee5\u5229\u7db2\u8def\u7aef\u6216\u662f\u63a5\u6536\u7aef\u5b8c\u6210\u7279\u5b9a\u7684\u5de5\u4f5c
ps:ipv4\u7121\u6b64\u529f\u80fd<\/p>\n\n\n\n
\u70ba40byte\u56fa\u5b9a\u9577\u5ea6,\u5404\u6b04\u4f4d\u5982\u4e0b:
ver(\u7248\u672c)<\/strong> 4bit
trafic class(\u8cc7\u6599\u6d41\u7a2e\u985e)<\/strong>8bit:\u7528\u4f86\u5c0d\u7528\u6236\u6216\u8005\u61c9\u7528\u505a\u5206\u985e\uff0c\u4ee5\u5229\u65bc\u5be6\u73fe\u5c0d\u4e3b\u8981\u7279\u5b9a\u7684\u7528\u6236\u8207\u4e3b\u8981\u7279\u6b8a\u7684\u61c9\u7528\u4e4b\u512a\u5148\u670d\u52d9
RFC 2474\u7528DS\u4f86traffic class
flow label(\u6d41\u91cf\u6a19\u8a18)<\/strong>20bit\uff1a\u63d0\u4f9b\u7d66\u9700\u9ad8\u50b3\u8f38\u6548\u7387\u4fdd\u8b49\u7684\u61c9\u7528\u7a0b\u5f0f\u7528
payload length(\u8cc7\u6599\u8ca0\u8f09\u9577\u5ea6)<\/strong>2byte:\u8ddf\u5728IPv6\u6a19\u982d\u4e4b\u5f8c\u7684payload\u6b04\u4f4d\u9577\u5ea6,\u4ee5octet\u70ba\u55ae\u4f4d,\u6700\u591a\u53ef\u8868\u9054\u523064k(2^16)
next header(\u4e0b\u500b\u8868\u982d\u6b04\u4f4d)<\/strong>1byte:\u63cf\u8ff0\u5f8c\u7e8c\u8868\u982d\u7684\u8cc7\u8a0a\u578b\u5225,\u5982Extension Header\u6216\u8cc7\u6599\u5305\u6240\u651c\u5e36\u8cc7\u6599\u7684\u578b\u5225,\u4ee3\u78bc\u8207ipv4 protocol\u6b04\u4f4d\u76f8\u540c,\u5b9a\u7fa9\u5728rfc1700
hop limit(\u8de8\u7ad9\u6975\u9650)<\/strong>1byte
source address(\u4f86\u6e90\u4f4d\u7f6e)<\/strong>16byte:\u53ea\u6709unicast\u624d\u53ef\u7576\u4f86\u6e90\u4f4d\u7f6e
destination address(\u76ee\u5730\u4f4d\u7f6e)<\/strong>16byte
Extension Header(\u64f4\u5145\u8868\u982d)<\/strong>,\u4f4d\u5740\u4e0d\u56fa\u5b9a
payload(\u8cc7\u6599)<\/strong>:\u8f09\u9001\u4e0a\u5c64\u5354\u5b9a,\u5982\u679c\u6709\u9700\u8981\u4e5f\u6703\u5305\u542bipv6 extend header
ps:\u4ee5\u4e0aipv6\u683c\u5f0f\u70barfc2460\u7248\u672c
<\/p>\n\n\n\n
\u50c5\u4f7f\u7528\u7121\u7d1a\u5f0f\u5b9a\u5740\u7d50\u69cb
\u6c92\u6709\u5ee3\u64ad\u7684\u6982\u5ff5
128bit,\u51718\u6bb5,\u6bcf\u6bb54\u500b16\u9032\u4f4d\u517116bit,\u5f8c\u9762\u53ef\u63a5”\/\u9996\u78bc\u9577\u5ea6”
ex:2000\uff1a5E0D\uff1a309A\uff1aFFC6\uff1a24A0\uff1a0000\uff1a0ACD\uff1a729D\/3
ps:\u5e73\u5747\u6bcf\u4eba\u53ef\u5206\u5230\u4e00\u767e\u842c\u500bIP <\/p>\n\n\n\n
1IPv6\u6bcf\u4e00\u6bb5\u7684\u524d\u9762\u70ba0\u53ef\u7701\u7565
ex:0c12:0234:0010:1000:0122:0100:0000:ABCD\u53ef\u5beb\u70bac12:234:10:1000:122:100:0:ABCD
2\u591a\u6b21\u9023\u7e8c0\u7684\u6bb5\u53ef\u5beb\u70ba::,\u4f46\u53ea\u80fd\u51fa\u73fe\u4e00\u6b21
ex:1234:0000:0000:1234:0000:0000:0000:ABCD\u53ef\u5beb\u70ba1234::1234:0:0:0:ABCD\u62161234:0:0:1234::ABCD<\/p>\n\n\n\n
<\/strong>\u7528\u4f86\u8868\u793anetwork id(\u8207ipv4\u6982\u5ff5\u76f8\u540c)
ex:
prefix length=64(\u4ee3\u8868Network ID\u90e8\u4efd\u70ba64bit)
\u82e5ip\u70ba2003:1234:3344:1234:1234:1234:34ff:2314\/64
network=2003:1234:3344:1234:0000:0000:0000:0000\/64
\u7e2e\u5beb=2003:1234:3344:1234::\/64
ex:
prefix length=56
\u82e5ip\u70ba2003:1234:3344:1234:1234:1234:34ff:2314\/56
network=2003:1234:3344:1200:0000:0000:0000:0000\/56
\u7e2e\u5beb=2003:1234:3344:1200::\/56 <\/p>\n\n\n\n
\u524d12bit\u7684prefix\u4e5f\u7a31\u70baregistry prefix,\u4e3b\u8981\u6307\u6d3e\u7d66RIR
\u524d32bit\u7684prefix\u4e5f\u7a31\u70baisp prefix,\u4e3b\u8981\u6307\u6d3e\u7d66ISP
\u524d48bit\u4e5f\u7a31\u70baglobal routing prefix\u6216site prefix ,\u4e3b\u8981\u6307\u6d3e\u7d66customer\u3000
\u524d64bit\u7684prefix\u4e5f\u7a31\u70basubnet prefix ,\u4e3b\u8981\u7531\u7d44\u7e54\u5167\u90e8\u81ea\u884c\u6307\u6d3e\u7d66\u5404\u5225\u7684\u5340\u57df <\/p>\n\n\n\n
ex:[2000\uff1a5E0D\uff1a309A\uff1aFFC6\uff1a24A0\uff1a0000\uff1a0ACD\uff1a729D]:80<\/p>\n\n\n\n
::\/128\u8868\u793aunspecified address(\u672a\u77e5\u7684\u4f4d\u7f6e),\u7576\u4e3b\u6a5f\u7121\u9069\u5408\u7684ip\u53ef\u7528\u6642\u6703\u4f7f\u7528\u8a72\u4f4d\u5740
::1\/128 \u70baloopback\u4f4d\u7f6e,\u7b49\u540c\u65bcipv4\u7684127.0.0.1
::\/0 \u8868\u793adefault route<\/p>\n\n\n\n
\u4e3b\u8981\u5206\u70baunicast(\u55ae\u64ad),multicast(\u7fa4\u64ad),anycast(\u4efb\u610f\u64ad)
\u5c6c\u65bcmultiple address type\uff0c\u4e5f\u5c31\u662f\u4e00\u500b\u4ecb\u9762\u53ef\u4ee5\u540c\u6642\u5b58\u5728\u4ee5\u4e0a\u4e09\u7a2e\u985e\u578b
ps:ipv4\u4e00\u500b\u4ecb\u9762\u53ea\u80fd\u4e00\u7a2e
<\/p>\n\n\n\n <\/td> unicast<\/td> multicast<\/td> anycast\/cluster<\/td><\/tr> address<\/td> a single interface<\/td> a set of interfaces<\/td> a set of interfaces<\/td><\/tr> Delivery to<\/td> single interface<\/td> all interfaces in the set<\/td> a single interface in the set<\/td><\/tr> communication<\/td> one-to-one<\/td> one-to-many<\/td> one-to-nearest
one-to-one-of-many<\/td><\/tr>other<\/td> <\/td> <\/td> Nearest is defined as being closest in term of routing distance<\/td><\/tr> comment<\/td> \u9069\u7528\u5728\u55ae\u4e00\u7bc0\u9ede\u5c0d\u55ae\u4e00\u7bc0\u9ede\u7684\u50b3\u9001<\/td> \u5df2\u6574\u5408ipv4 multicast\u548cbroadcast
\u4e0d\u80fd\u7528\u5728\u4f86\u6e90\u4f4d\u7f6e
\u53ef\u7528\u5728router-subnetting<\/td>ipv6\u65b0\u589e\u7684\u985e\u578b
\u53ea\u80fd\u7528\u5728\u8def\u7531\u5668,\u4e0d\u80fd\u7528\u5728\u96fb\u8166,\u4e5f\u4e0d\u80fd\u7528\u5728\u4f86\u6e90\u4f4d\u7f6e
1\u500banycast\u4f4d\u7f6e\u53ef\u88ab\u591a\u7bc0\u9ede\u4f7f\u7528,\u4f46\u662f\u50b3\u9001\u7d66\u6b64\u4f4d\u5740\u7684\u5c01\u5305,\u662f\u5148\u9001\u7d66\u8ddd\u96e2\u6700\u8fd1\u6216\u6210\u672c\u6700\u4f4e\u7684\u7bc0\u9ede\u505a\u8655\u7406
IPv6\u4ecb\u9762\u80fd\u6709\u591a\u500banycast addresses
\u53ef\u7528\u5728router-subnetting
\u88ab\u7528\u4f86\u505adiscovery function
ipv4\u7121\u6b64\u529f\u80fd<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u4e3b\u8981\u6709\u4ee5\u4e0b\u5e7e\u7a2e
no-scoped address:\u4e0d\u5728\u9650\u5236\u7bc4\u570d\u5373\u53ef\u770b\u5230\u7684IP
\u3000global unicast(\u7b49\u540c\u65bcipv4\u7684public ip)
scoped address:\u53ea\u5728\u9650\u5236\u7bc4\u570d\u624d\u770b\u7684\u5230IP
\u3000unique local unicast(\u7b49\u540crfc1918\u5b9a\u7fa9\u7684ipv4 private ip)
\u3000link-local unicast<\/p>\n\n\n\n
global unicast address(\u5168\u57df\u55ae\u9ede\u4f4d\u5740)<\/strong>
\u7db2\u8def\u70ba2000::\/3
IANA\u5141\u8a31\u4e3b\u6a5f\u5728internet\u4e0a\u7528\u4f86\u901a\u8a0a\u7684\u4f4d\u5740
\u683c\u5f0f\u70ba[3bit\u9996\u78bc,\u56fa\u5b9a001][45bit public topology][16bit site topology][64bit interface id]
public topology(\u516c\u7528\u62d3\u6a38)\u9069\u7528\u65bcisp\u6216\u63d0\u4f9b\u7db2\u8def\u670d\u52d9\u4ea4\u63db\u8005
\u3000\u683c\u5f0f\u70ba[13bit tla][8bit res][24bit nla]
\u3000tla id(top level aggregation id,\u6700\u9ad8\u5c64\u53ef\u96c6\u5408id)
\u3000res(reserve,\u4fdd\u7559\u7528):\u4fdd\u7559\u7d66tla\u548cnla\u6b04\u4f4d\u4e0d\u8db3\u6642\u7528
\u3000nal id(next level aggregation id,\u4e0b\u4e00\u5c64\u53ef\u96c6\u5408\u7684id)
\u3000ps:isp prefix=48,\u56e0\u70ba3bit+45bit
site topology(\u4f4d\u7f6e\u62d3\u6a38)\u9069\u7528\u65bc\u5340\u57df\u6027\u7684\u7d44\u7e54
\u3000\u683c\u5f0f\u70ba[slaid][subnet]
\u3000sla id(site level aggregation id,\u4f4d\u7f6e\u5c64\u53ef\u96c6\u5408\u7684id)
\u3000ps:
ps:These are your typical publicly routable addresses,just like a regular publicly routable address in IPv4<\/p>\n\n\n\n
\u7db2\u8def\u70baFD00::\/8
2\u9032\u4f4d\u683c\u5f0f\u70ba[8bit\u9996\u78bc][40bit global id][16bit subnet][64bit interface id]
\u9664\u4e868bit\u9996\u78bc\u5916,\u5176\u9918\u90fd\u662f\u81ea\u5df1\u6307\u6d3e
ps:interface id\u6307\u7684\u662f\u4e3b\u6a5f
ps:\u53d6\u4ee3site-local unicast\u7528
\u4e5f\u53ef\u8868\u793a\u70baFC00::\/7
\u683c\u5f0f\u70ba[7bit\u9996\u78bc,\u56fa\u5b9a\u70ba1111110][1bit L][40bit global id][16bit subnet id][64bit interface id]
\u6b04\u4f4dL\u82e5\u70ba1\u8868\u793alocal\uff0c\u82e5\u70ba0\u8868\u793a\u4fdd\u7559<\/p>\n\n\n\n
\u7db2\u8def\u70baFE80::\/10\u6216FE80::\/64
2\u9032\u4f4d\u683c\u5f0f\u70ba[10bit\u9996\u78bc,\u56fa\u5b9a\u70ba1111111010][54bit\u76840][64bit interface id]
\u8a2d\u5099\u53ef\u4ee5\u7b97\u51fa\u81ea\u5df1\u7684link lock ipv6\u4f4d\u5740,
\u5728IPv6\u7684\u6bcf\u500b\u4ecb\u9762\u90fd\u6703\u6709\u5c6c\u65bc\u81ea\u5df1\u7684link-local address
\u5c6c\u65bclink-local\u9818\u57df:\u8a72\u4f4d\u7f6e\u7684\u5c01\u5305\u4e0d\u6703\u96e2\u958b\u672c\u5730\u93c8\u8def\u6216\u672c\u5730\u5b50\u7db2\u8def
\u7528\u9014\u5305\u62ec:
\u3000\u7528\u505aRS(Router Solicitation,\u8def\u7531\u5668\u8acb\u6c42)\u548cRA(Router Advertisement,\u8def\u7531\u5668\u516c\u544a)\u8a0a\u606f\u7684\u4f86\u6e90\u4f4d\u7f6e
\u3000\u7528\u505aNDP
\u3000IP\u8def\u5f91\u7684NEXT HOP <\/p>\n\n\n\n
Site-Local unicast(\u5df1\u4e0d\u4f7f\u7528)<\/strong>
\u4e5f\u53ef\u8868\u793a\u70baFEC0::\/10
2\u9032\u4f4d\u683c\u5f0f\u70ba[10bit\u9996\u78bc,\u56fa\u5b9a\u70ba1111111011][38bit\u76840][16bit subnet id][64bit interface id]
IPv4-Compatible(\u5df1\u4e0d\u4f7f\u7528)<\/strong>
\u683c\u5f0f\u70ba[96bit\u76840][32bit ipv4\u4f4d\u7f6e]
ex:ipv4\u4f4d\u7f6e135.75.43.52,\u7b49\u540c\u65bc16\u9032\u4f4d\u7684874B2B34,\u56e0\u6b64ipv6\u4f4d\u7f6e\u662f::874B:2B34
ps:Site-Local,Link-Local,unique-local\u4e0d\u53ef\u88ab\u7e5e\u9001,\u985e\u4f3cipv4\u7684\u79c1\u6709ipps:<\/p>\n\n\n\n
\u7528\u4f86\u8fa6\u8b58\u9023\u7dda\u7684\u4ecb\u9762\u4f4d\u7f6e,\u4e5f\u5c31\u662f\u9023\u7d50\u5c64\u4f4d\u7f6e,\u4e14\u5fc5\u9808\u70ba\u552f\u4e00
\u7522\u751f\u65b9\u5f0f\u5982\u4e0b:
\u3000\u63a1\u7528modified EUI-64\u6f14\u7b97\u6cd5
\u3000\u4f5c\u696d\u7cfb\u7d71\u81ea\u52d5\u7522\u751f\u96a8\u6a5f\u4f4d\u5740
\u3000\u624b\u52d5\u8a2d\u5b9a
\u3000Tunnel Server\u7cfb\u7d71\u81ea\u52d5\u7522\u751f\u6216\u6307\u5b9a
\u3000\u7d93\u7531\u52a0\u5bc6\u6a5f\u5236\u7522\u751f\u4e4b\u865b\u64ec\u4f4d\u5740(IPv6 IP Sec)
\u3000DHCPv6\u4f3a\u670d\u5668\u6307\u5b9a(Stateful)<\/p>\n\n\n\n
\u505a\u6cd5:\u63d2\u5165fffe\u5728mac\u7684company id(\u524d24bit)\u548cnode id(\u5f8c24bit)\u9593,\u5728\u8f49\u62102\u9032\u4f4d,\u4e26\u628a\u7b2c7\u500bbit\u63db\u62101,\u5728\u8f49\u621016\u9032\u4f4d
ex:00-C0-3F-BB-93-91\u8f49\u6210eui64\u683c\u5f0f
1\u63d2\u5165fffe\u6210\u70ba00-C0-3F-FF-FE-BB-93-91
2\u8f49\u62102\u9032\u4f4d\u70ba00000000-1100000…\u5f8c\u7701\u7565
3\u5c07\u7b2c7bit\u6539\u70ba1\u70ba00000010-1100000…\u5f8c\u7701\u7565
4\u91cd\u7d44\u70ba16\u9032\u4f4d\u70ba02C0:3FFF:FEBB:9391<\/p>\n\n\n\n
\u7db2\u8def\u70baFF00::\/8
\u683c\u5f0f\u70ba[8bit\u9996\u78bc,\u56fa\u5b9a\u70ba11111111][4bit flgs][4bit scop][112bit group id]
scop\u662f\u7528\u4f86\u9650\u5236multicast group\u7684\u7bc4\u570d,
\u30002\u8868\u793alink-local,\u4e5f\u5c31\u662f\u7db2\u8defFF02::\/16
\u30005\u8868\u793asite:\u4e5f\u5c31\u662f\u7db2\u8defFF05::\/16
group id\u662f\u7528\u4f86\u8fa6\u8b58multicast group\u7684\u503c<\/p>\n\n\n\n
ff02::1 \u76f8\u540c\u93c8\u8def\u4e0a\u7684\u6240\u6709ipv6 client\u7bc0\u9ede
ff02::2 \u76f8\u540c\u93c8\u8def\u4e0a\u7684\u6240\u6709ipv6 router\u7bc0\u9ede
ff02::1:ff00:0\/104\u3000solicited node multicast address(\u8acb\u6c42\u7bc0\u9ede\u7fa4\u64ad\u4f4d\u5740),\u7528\u65bcND,DAD
ff02::1:2 \u8f49\u9001\u5230dhcp\u4f3a\u670d\u5668\u7684router\u4f4d\u7f6e
ff05::1:3 dhcp\u4f3a\u670d\u5668\u4f4d\u5740
ff05::101 ntp\u4f3a\u670d\u5668\u4f4d\u5740
\u5e38\u898b\u7684routing protocol\u7fa4\u64ad\u4f4d\u5740
FF02::5,FF02::6 OSPF\u8a0a\u606f
FF02::9 RIPv2\u8a0a\u606f
FF02::A EIGRP\u8a0a\u606f<\/p>\n\n\n\n
\u683c\u5f0f\u70ba[\u4e0d\u56fa\u5b9a\u9996\u78bc][0000…]<\/p>\n\n\n\n
Stateful Auto-configuration(\u5168\u72c0\u614b\u81ea\u52d5\u914d\u7f6e)
Stateless Auto-configuration(\u7121\u72c0\u614b\u81ea\u52d5\u914d\u7f6e)
static-configuration <\/p>\n\n\n\n
Stateful Autoconfiguration(\u5168\u72c0\u614b\u81ea\u52d5\u914d\u7f6e):<\/strong>
\u9700\u4f7f\u7528stateful DHCPv6\u4f3a\u670d\u5668\u4f86\u914d\u7f6e
ps:
ipv6\u4e3b\u6a5f\u4f7f\u7528ipv6\u7fa4\u64ad\u4f4d\u7f6eff02::1:2\u5c0b\u627eStateful DHCPv6\u4f4d\u7f6e(ipv4\u4f7f\u7528\u5ee3\u64ad)<\/p>\n\n\n\n
Stateless Autoconfiguration(\u7121\u72c0\u614b\u81ea\u52d5\u914d\u7f6e)<\/strong>
1\u900f\u904endp\u4f86\u5b78\u7fd2prefix,prefix\u9577\u5ea6,\u9810\u8a2d\u9598\u9053
\u30001.1\u4e3b\u6a5f\u767c\u9001NDP\u7684RS\u8a0a\u606f\u5230ff02::2\u4ee5\u8981\u6c42\u6240\u6709ROUTER\u56de\u8986,\u76ee\u524d\u5b50\u7db2\u8def\u7684ipv6 prefix\u4ee5\u53ca\u9810\u8a2d\u9598\u9053\u662f\u591a\u5c11
\u30001.2router\u900f\u904eNDP\u7684RA\u8a0a\u606f\u5230ff02::1\u4ee5\u56de\u8986\u6240\u6709\u4e3b\u6a5f
2\u4f7f\u7528EUI-64\u7684\u683c\u5f0f\u4f86\u8a08\u7b97IPv6\u4f4d\u5740\u7684\u4e3b\u6a5fid
ps:\u76ee\u524dIPv6\u4f4d\u5740=\u5b50\u7db2\u8defprefix+eui64\u4f4d\u5740
3\u4f7f\u7528\u7121\u72c0\u614bdhcp\u5b78\u5230dns\u7684ipv6\u4f4d\u5740
\u7ba1\u7406\u54e1\u9700\u4e8b\u5148\u5728Stateless DHCPv6 server\u5167\u6307\u5b9a\u597dDNS\u4f4d\u5740
ps:\u900f\u904eRDNSS\u6280\u8853\u53ef\u4e0d\u7528\u900f\u904eDHCPv6\u89e3\u6c7aDNS\u554f\u984c<\/p>\n\n\n\n
\u53ef\u5206\u5169\u7a2e
\u624b\u52d5\u6307\u6d3e128bit\u5b8c\u6574\u4f4d\u7f6e
\u624b\u52d5\u6307\u6d3e64bit prefx\u4e26\u8981\u6c42\u8a2d\u5099\u4f7f\u7528EUI64\u683c\u5f0f
ps:
\u9700\u4f7f\u7528\u7121\u72c0\u614bdhcp\u5b78\u5230dns\u7684ipv6\u4f4d\u5740<\/p>\n\n\n\n
\u4ee5\u4e0a\u4e09\u7a2e\u65b9\u5f0f\uff0cdefault gateway\u90fd\u9700\u7531\u5ba2\u6236\u7aef\u8207ROUTER\u4f7f\u7528NDP(neighbor discovery protocol)\u89e3\u6c7a<\/p>\n\n\n\n
dhcpv6\u4f3a\u670d\u5668\u6709\u5169\u904b\u4f5c\u6a21\u5f0f
\u3000stateful:\u4f3a\u670d\u5668\u6703\u8ffd\u8e64\u72c0\u614b\u8a0a\u606f(\u540cdhcpv4),\u53ea\u7528\u5728ipv6 Stateful Auto-configuration
\u3000stateless:\u4f3a\u670d\u5668\u4e0d\u6703\u8ffd\u8e64\u72c0\u614b\u8a0a\u606f,\u53ea\u7528\u5728ipv6 Stateless Auto-configuration
………………………….<\/p>\n\n\n\n
RFC4861
\u529f\u80fd\u5305\u62ec
\u3000Address Resolution
\u3000Duplicate Address Detection
\u3000Stateless Address Autoconfiguration
\u3000router Redirect
\u529f\u80fd\u5982\u4e0b
\u3000\u4e3b\u6a5f\u7528\u5b83\u4f86\u767c\u73fe\u76f8\u9130\u8def\u7531\u5668\u3002
\u3000\u4e3b\u6a5f\u7528\u5b83\u4f86\u767c\u73fe\u4f4d\u5740\u3001\u4f4d\u5740\u5b57\u9996\u4ee5\u53ca\u5176\u5b83\u7d44\u614b\u53c3\u6578\u3002
\u3000\u7bc0\u9ede\u7528\u5b83\u4f86\u89e3\u6790 IPv6 \u5c01\u5305\u8f49\u5bc4\u5230\u7684\u76f8\u9130\u7bc0\u9ede\u7684\u9023\u7d50\u5c64\u4f4d\u5740\uff0c\u4e26\u78ba\u5b9a\u76f8\u9130
\u3000\u7bc0\u9ede\u7684\u9023\u7d50\u5c64\u4f4d\u5740\u5f9e\u4f55\u6642\u8d77\u767c\u751f\u6539\u8b8a\u3002
\u3000\u7bc0\u9ede\u7528\u5b83\u4f86\u78ba\u5b9a\u662f\u5426\u4ecd\u7136\u53ef\u4ee5\u9023\u7dda\u5230\u76f8\u9130\u7bc0\u9ede\u3002
\u3000\u8def\u7531\u5668\u7528\u5b83\u4f86\u901a\u544a\u81ea\u5df1\u7684\u5b58\u5728\u3001\u4e3b\u6a5f\u7d44\u614b\u53c3\u6578\u4ee5\u53ca\u9023\u7d50\u5b57\u9996\u3002
\u3000\u8def\u7531\u5668\u7528\u5b83\u4f86\u901a\u77e5\u4e3b\u6a5f\uff1a\u6709\u66f4\u597d\u7684\u4e0b\u4e00\u8e8d\u9ede\u4f4d\u5740\uff0c\u4ee5\u4f9b\u8f49\u5bc4\u91dd\u5c0d\u7279\u5b9a\u76ee\u7684\u7684\u5c01\u5305
ps:
IND(inverse neighbor discovery)\u627e\u51faIPv6\u7684\u4f4d\u5740
\u8a72\u6a5f\u5236\u6703\u4f7f\u7528\u8acb\u6c42\u7bc0\u9ede\u7fa4\u64ad\u4f4d\u5740ff02::1:ff00:0\/104
Address Resolution<\/strong>
\u4e3b\u8981\u7528\u4f86\u627e\u51faMAC,\u4e3b\u6a5f\u50b3\u9001\u5c01\u5305\u524d\u6703\u5f9emac table\u627emac(\u5982\u540cIPv4\u7684ARP\u7a0b\u5f0f)
\u82e5\u6c92\u6709mac\u5247\u505a\u4ee5\u6b65\u9a5f
1.1\u4e3b\u6a5f\u767c\u9001NS(neighbor solicitation)\u7684ICMP\u8a0a\u606f\u5230FF02::1:FF00:0\/104(solicited node),\u8981\u6c42\u5c0d\u65b9\u56de\u8986MAC\u4f4d\u7f6e
1.2\u5c0d\u65b9\u5c07mac\u900f\u904eNA(neighbor advertisement)\u7684ICMP\u8a0a\u606f \u4ee5\u56de\u8986\u8a72\u4e3b\u6a5f<\/p>\n\n\n\n
IPv6\u5b78\u5230\u4f4d\u5740\u6642,\u6703\u57f7\u884cDAD\u4ee5\u6aa2\u67e5\u662f\u5426\u6709ip\u91cd\u8986
\u900f\u904endp\u7684ns\u8a0a\u606f\u505a\u6aa2\u67e5<\/p>\n\n\n\n
\u5177\u5099IPv4 ICMP\u57fa\u672c\u529f\u80fd\uff0c\u5ee2\u9664\u4e86\u4e00\u4e9b\u4e0d\u518d\u4f7f\u7528\u7684\u904e\u6642\u6d88\u606f\u985e\u578b\uff0c\u4e26\u63d0\u4f9b\u4e00\u500b\u7c21\u55ae\u7684\u6545\u969c\u6392\u9664\u56de\u61c9\u670d\u52d9\u3002
\u7d9c\u5408\u4e86\u53e6\u5916\u5169\u500b\u5728\u539f IPv4\u4e2d\u5206\u5c6c\u4e0d\u540c\u5354\u8b70\u5b8c\u6210\u7684\u529f\u80fd\uff1aMLD,ND<\/p>\n\n\n\n
\u7528\u4f86\u4ea4\u63db IPv6 \u8def\u7531\u5668\u4e4b\u9593\u7684\u6210\u54e1\u8cc7\u683c\u72c0\u614b\u8cc7\u8a0a\uff0c\u9019\u4e9b\u8def\u7531\u5668\u652f\u63f4\u591a\u9ede\u50b3\u9001\u53ca\u591a\u9ede\u50b3\u9001\u7fa4\u7d44\u7684\u6210\u54e1\u3002
\u7368\u7acb\u6210\u54e1\u4e3b\u6a5f\u5831\u544a\u591a\u9ede\u50b3\u9001\u7fa4\u7d44\u4e2d\u7684\u4e3b\u6a5f\u6210\u54e1\u8cc7\u683c\uff0c\u4e26\u4e14\u591a\u9ede\u50b3\u9001\u8def\u7531\u5668\u6bcf\u9694\u4e00\u6bb5\u6642\u9593\u8f2a\u8a62\u4e00\u6b21\u6210\u54e1\u8cc7\u683c\u72c0\u614b\u3002 <\/p>\n\n\n\nipv6 core<\/td> \u53d6\u4ee3ipv4\u7684\u529f\u80fd<\/td><\/tr> IPv6<\/td> IPv4<\/td><\/tr> ICMPv6<\/td> ICMP<\/td><\/tr> ND<\/td> ARP,icmp router discovery,icmp redirect<\/td><\/tr> MLD<\/td> IGMP<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
ND\u8a0a\u606f\u7a2e\u985e<\/strong>
RS(Router Solicitation,\u8def\u7531\u5668\u9080\u8acb\u5c01\u5305)
RA(Router Advertisement,\u8def\u7531\u5668\u516c\u544a\u5c01\u5305)
NS(Neighbor Solicitation,\u82b3\u9130\u9080\u8acb\u5c01\u5305)
NA(Neighbor Advertisement,\u82b3\u9130\u516c\u544a\u5c01\u5305)
Redirect(\u91cd\u8e48\u5c01\u5305)<\/p>\n\n\n\n
type:8bit:value=133
code:8bit:value=0
checksum:16bit
reserved:32bit:value=0
option:\u651c\u5e36\u4ee5\u4e0b\u8cc7\u8a0asource link-layer(1)<\/p>\n\n\n\n
router\u516c\u544a\u6307\u6d3e\u7db2\u8def\u7d44\u614b\u7d66ipv6\u7bc0\u9ede
\u5c01\u5305\u683c\u5f0f\u5982\u4e0b
type:8bit,value=134
code:8bit,value=0
checksum:16bit
cur hop limit:8bit
M:1bit
O:1bit
reserved:6bit
router lifetime:16bit
reachable time:32bit
retrans timer:32bit
options:\u651c\u5e36\u4ee5\u4e0b\u8cc7\u8a0a
\u3000source link-layer(1),prefix information(3),MTU(5),recursive dns server(25)<\/p>\n\n\n\n
dual stack(\u96d9\u5806\u758a):\u8a2d\u5099\u540c\u6642\u4f7f\u7528ipv4\u548cipv6
translator(\u4f4d\u5740\u5354\u5b9a\u8f49\u63db\u6a5f\u5236),ipv6\u4e3b\u6a5f\u548cipv4\u4e3b\u6a5f\u8f49\u63db\u548c\u901a\u8a0a
tunneling:\u5c07ipv6\u5c01\u88dd\u5728ipv4\u4e0a,\u4f7f\u7528\u90e8\u4efdipv4\u8a2d\u5099\u5efa\u7acb\u8d77ipv6\u7db2\u8def<\/p>\n\n\n\n
NAT-PT(protocol translatioin):RFC2766,\u8f49\u63dbipv6\u548cipv4\u7684\u4f4d\u5740,\u4e3b\u8981\u900f\u904eDNSv6\u548cDNSv4
siit(Stateless IP\/ICMP Translation),RFC2765<\/p>\n\n\n\n
\u9ede\u5c0d\u9ede:
\u3000\u652f\u63f4IGP,
\u3000\u904b\u7b97\u7a0b\u5e8f\u8f03\u5c11\uff0c\u9069\u7528\u65bc\u6d41\u91cf\u5927\u7684\u74b0\u5883
\u3000\u53ef\u4f7f\u7528MCT(\u624b\u52d5\u65b9\u5f0f),\u6216\u4f7f\u7528GRE\u5be6\u505a
\u591a\u9ede:
\u3000\u4e0d\u652f\u63f4IGP,
\u3000\u904b\u7b97\u7a0b\u5e8f\u8f03\u591a\uff0c\u9069\u7528\u65bc\u6d41\u91cf\u5c0f\u7684\u74b0\u5883
\u3000\u5be6\u505a\u65b9\u6cd5\u67096to4,ISATAP,MDVPN
ps:
\u5176\u4ed6tunneling\u9084\u6709
Tunnel Broker(\u901a\u9053\u4e2d\u7e7c\u5668)\u5c6c\u65bcautomatic tunnel,\u9700\u8981\u7528\u5230tunnel server,\u5728RFC 3053\u8a73\u8ff0
6over4 tunneling
IPsec VTI(Virtual Tunnel Interface)
Teredo tunneling,\u4f7f\u75282001::\/32<\/p>\n\n\n\n
rfc4213
\u50c5\u652f\u63f4IPv6
\u5efa\u7acblink local\u65b9\u5f0f\uff1aFE80::\/96(96bit)+\u4f86\u6e90ip(32bit)
MTU=1480<\/p>\n\n\n\n
CISCO\u5148\u5b9a\u7fa9,\u5f8c\u6539\u70baRFC2784
\u53ef\u652f\u63f4\u591a\u5354\u5b9a
\u5efa\u7acblink local\u65b9\u5f0f\uff1aIPv6 EUI64
MTU=1476
MDVPN<\/strong>
cisco\u5b9a\u7fa9
\u5c6c\u65bcPoint-to-Multipoint\u67b6\u69cb
\u53ef\u89e3\u6c7aGRE\u7684point-to-point\u5728\u5927\u578bHub-and-Spoke VPN\u8a2d\u5b9a\u4e0a\u7684\u4e0d\u4fbf
\u4e3b\u8981\u6280\u8853\u5305\u62ecmulti GRE\u548cNHRP <\/p>\n\n\n\n
rfc3056
\u4e3b\u8981\u6709\u5169\u505a\u4f5c\u6cd5
1
\u4f7f\u75286to4 ipv6\u7684\u7ad9\u53f0\uff1a\u8cc7\u6599\u6d41\u4ecd\u7136\u6703\u4f7f\u7528IPv4
\u512a\u9ede\uff1a\u82e5\u6709\u65b0\u7684\u7ad9\u53f0\u8981\u52a0\u5165\u6642\uff0c\u8a2d\u5b9a\u8f03\u5bb9\u6613\u3000
\u9069\u7528\u7d44\u7e54\u7684internet\u9023\u7dda\u4e0d\u4f7f\u7528IPv6\u60c5\u6cc1
\u901a\u9053\u5169\u7aef\u8a2d\u5099\u9700\u652f\u63f4dual-stack(ipv4 and ipv6)
\u4f7f\u7528ipv6\u4f4d\u57402002::\/16\uff0c\u8a72\u4f4d\u7f6e\u4e0d\u6307\u6d3e\u7d66global unicast
2\u9032\u4f4d\u683c\u5f0f\u70ba[16bit\u9996\u78bc(0x2002)][32bit IPv4][16bit subnet][64bit interface id]
\u3000\u76ee\u5730ipv4\u4f4d\u5740\u6703\u7f6e\u5165ipv6\u7b2c2,3\u6b04\u4f4d\uff0c\u4e5f\u5c31\u662f\u524d48bit\u7684ipv6\u53ef\u88ab\u7528\u4f86\u6307\u6d3e\u5230\u4ecb\u9762
2
\u4f7f\u7528global unicast\u7684\u7ad9\u53f0<\/p>\n\n\n\n
ISATAP<\/strong>
rfc4214
\u4f7f\u7528global unicast\u7684\u7ad9\u53f0
0000:5EFE\u6703\u52a0\u5165\u5728IPv6\u7684\u7b2c5,6\u6b04\u4f4d
\u4f7f\u7528modified eui-64,\u56e0\u6b64\u76ee\u5730ipv4\u4f4d\u5740\u6703\u7f6e\u5165ipv6\u7b2c7,8\u6b04\u4f4d<\/p>\n","protected":false},"excerpt":{"rendered":"