{"id":926,"date":"2008-10-07T22:22:00","date_gmt":"2008-10-07T14:22:00","guid":{"rendered":"http:\/\/note.systw.net\/note\/?p=926"},"modified":"2023-11-07T22:30:22","modified_gmt":"2023-11-07T14:30:22","slug":"cisco-eigrp-route","status":"publish","type":"post","link":"https:\/\/systw.net\/note\/archives\/926","title":{"rendered":"Cisco EIGRP Route"},"content":{"rendered":"\n

\u4f7f\u7528eigrp
(config)#router eigrp < as><\/strong>
(config-router)#network < network [wildcard-mask]><\/strong>
as:\u53ef\u81ea\u8a02,\u5404\u8def\u7531\u5668\u4e0a\u7684as\u8a2d\u76f8\u540c\u624d\u53ef\u4e92\u52d5
network:\u6307\u5b9a\u90a3\u500b\u7db2\u6bb5\u7684\u6240\u6709\u4ecb\u9762\u8981\u555f\u7528eigrp  
wildcard-mask:\u82e5\u6c92\u6307\u5b9a,\u5247\u9810\u8a2d\u4f7f\u7528classful(\u5206\u7d1a\u5f0f)\u7db2\u8def,\u4e5f\u5c31\u662fclass A,class B,class C\u7684\u7db2\u8def\u7de8\u865f 
ex:\u8b93\u5c6c\u65bc10.1.1.0\/24\u820710.1.100.0\/24\u7684\u4ecb\u9762\u4f7f\u7528eigrp,\u4e26\u8a2das\u70ba100
(config)#router eigrp 100
(config-router)#network 10.1.1.0 0.0.0.255
(config-router)#network 10.1.100.0 0.0.0.255
\u4ee5\u4e0b\u4e5f\u53ef\u9054\u5230\u3000 
(config)# router eigrp 100
(config-router)#network 10.0.0.0<\/p>\n\n\n\n

ps:
IGRP\u76f4\u63a5\u5347\u7d1a\u6210EIGRP 
\u505a\u6cd5:\u82e5\u539f\u672c\u7528(config)#router igrp 10\u7522\u751f\u52d5\u614b\u8def\u7531,\u5247\u76f4\u63a5\u7528(config)#router eigrp 10
\u5373\u53ef\u81ea\u52d5\u8f49\u79fbigrp as\u8b8a\u6210eigrp as,\u4e0d\u9700\u5176\u4ed6\u8a2d\u5b9a<\/p>\n\n\n\n

\u8a2d\u5b9aeigrp\u5e73\u8861\u5e7e\u689d\u8def\u5f91\u8ca0\u8f09\u7684\u80fd\u529b
(config-router)#maximum-paths < maximum><\/strong>
maximum\u503c\u70ba1-6,\u901a\u5e38\u7cfb\u7d71\u9810\u8a2d\u70ba4
\u5404\u8def\u5f91\u53ef\u4e0d\u540c\u6210\u672c

\u8abf\u6574\u5167\u90e8\u548c\u5916\u90e8ad\u503c
(config)#distance eigrp < internal-ad> < external-ad><\/strong>
ps:\u53ef\u61c9\u7528\u5728redistribute\u6642,\u9632\u6b62domain loop\u554f\u984c<\/p>\n\n\n\n

………<\/p>\n\n\n\n

\u8abf\u6574\u9130\u5c45\u95dc\u4fc2 <\/strong><\/p>\n\n\n\n

\u8a2d\u5b9ahello\u9593\u9694
(config-if)#ip hello-interval eigrp < as> < time> <\/strong><\/p>\n\n\n\n

\u8a2d\u5b9aholdtime\u8a08\u6642\u5668
(config-if)#ip hold-time eigrp < as> < time><\/strong><\/p>\n\n\n\n

\u8a2d\u5b9a\u67d0\u4ecb\u9762\u9032\u5165\u88ab\u52d5\u6a21\u5f0f
\u7981\u6b62\u8a72\u754c\u9762\u6536\u9001hello\u5c01\u5305,\u6703\u963b\u6b62\u7dca\u9130\u95dc\u4fc2\u5f62\u6210,\u56e0\u6b64\u4e0d\u6703\u6536\u9001\u4efb\u4f55\u8def\u5f91\u8cc7\u8a0a
ps:eigrp\u7684\u88ab\u52d5\u6a21\u5f0f\u4e0d\u6703\u6536\u9001\u4efb\u4f55\u66f4\u65b0,\u4f46rip\u7684\u88ab\u52d5\u6a21\u5f0f\u53ef\u63a5\u6536\u66f4\u65b0
\u4e3b\u8981\u6709\u5169\u65b9\u6cd5,\u5982\u4e0b\u6240\u793a
\u65b9\u6cd51:\u6307\u5b9a\u88ab\u52d5\u4ecb\u9762
(config-router)#passive-interface < interface><\/strong>
\u65b9\u6cd52:\u5148\u6307\u5b9a\u6240\u6709\u4ecb\u9762\u70ba\u88ab\u52d5\u4ecb\u9762,\u5728\u5404\u5225\u5c0d\u975e\u88ab\u52d5\u4ecb\u9762\u8655\u7406
(config-router)#passive-interface default
(config-router)#no passive-interface < interface> <\/strong>  <\/strong>
ps
show ip eigrp interface\u6307\u4ee4\u4e0d\u6703\u5217\u51fapassive interface
ps
\u53e6\u4e00\u500b\u963b\u6b62\u5f62\u6210\u9130\u5c45\u7684\u65b9\u5f0f\u662fMismatched IP subnets,\u4e5f\u5c31\u662f\u4f7f\u7528\u4e0d\u540c\u7db2\u6bb5 \u3000
ps:
\u82e5eigrp\u9130\u5c45\u4f7f\u7528\u7b2c2\u500bip,\u53ef\u80fd\u6703\u5c0e\u81f4\u9130\u5c45\u7121\u6cd5\u5efa\u7acb<\/p>\n\n\n\n

\u8a2d\u5b9aEIGRP\u4e4bmd5\u9a57\u8b49 
1\u5efa\u7acbkey chain
(config)#key chain < keychain-name>
(config)#key < key-number>
(config)#key-string < key-string-value> <\/strong>
2\u555f\u7528md5\u4e26\u5957\u7528key chain 
(config)#interface < int>
(config-if)#ip authentication mode eigrp < as> md5
(config-if)#ip authentication key-chain eigrp < as> < keychain-name><\/strong> 
ps:
\u4f7f\u7528EIGRP\u9a57\u8b49\u6642,\u5169\u8a2d\u5099
1\u6642\u9593\u9700\u4e00\u81f4,\u53ef\u4f7f\u7528show clock\u6aa2\u67e5 
2key-number\u548ckey-string-value\u8981\u4e00\u81f4
3\u78ba\u5b9a\u5efa\u7acb\u7684key\u5df2\u7d93\u751f\u6548,\u53ef\u4f7f\u7528show key chain\u4f86\u6aa2\u67e5<\/p>\n\n\n\n

\u8a2d\u5b9a\u975c\u614b\u9130\u5c45
<\/strong>(config-router)#neighbor < ip> < int>
<\/strong>\u53ef\u624b\u52d5\u5b9a\u7fa9\u9130\u5c45\u4ee3\u66ff\u4ee5multicast\u63a2\u7d22\u9130\u5c45\u7684\u529f\u80fd
\u6703\u5728\u8a72\u4ecb\u9762\u505c\u6b62\u8655\u7406EIGRP\u7684multicast\u5c01\u5305\uff0c\u4ee5\u6e1b\u5c11multicast\u5c0d\u5176\u4ed6router\u7684\u5f71\u97ff 
int:\u8981\u6307\u5b9a\u9023\u63a5\u9130\u5c45\u7684\u4ecb\u9762
ip:\u8981\u6307\u5b9a\u9130\u5c45\u7684ip
ps:
\u82e5\u6307\u5b9a\u7684ip\u4e0d\u5c6c\u65bcint\u4ecb\u9762\u4e0a\u7684\u7db2\u6bb5,\u5247\u8a72\u547d\u4ee4\u7121\u6cd5\u57f7\u884c
ps:
\u4e00\u4f46\u4f7f\u7528\u8a72\u6307\u4ee4\u95dc\u9589\u4ecb\u9762\u7684multicast\u5f8c,\u5176\u4ed6\u9130\u5c45\u5c31\u7121\u6cd5\u4f7f\u7528multicast\u770b\u5230\u8a72\u4ecb\u9762,
\u4e5f\u5c31\u662f\u8aaa,\u8a72\u4ecb\u9762\u8207\u5176\u4ed6\u9130\u5c45\u4e4b\u9593\u7684\u95dc\u4fc2\u5c31\u6703\u6d88\u5931
\u9664\u975e\u5176\u4ed6\u9130\u5c45\u4e5f\u624b\u52d5\u6307\u5b9a\u6b64\u9130\u5c45,\u624d\u6709\u8fa6\u6cd5\u91cd\u65b0\u5efa\u7acb\u8d77\u9130\u5c45\u95dc\u4fc2
\u4e5f\u5c31\u662f\u8aaa,\u5169\u908a\u90fd\u8981\u4f7f\u7528neighbor \u6307\u4ee4,\u624d\u6709\u8fa6\u6cd5\u767c\u73fe\u9130\u5c45 <\/p>\n\n\n\n

\u555f\u52d5\u8a18\u9304\u76f8\u9130\u8def\u7531\u7684\u6539\u8b8a
(config-router)#eigrp log-neighbor-change <\/strong> <\/p>\n\n\n\n

………….<\/p>\n\n\n\n

WAN\u60c5\u6cc1\u4e0b\u7684\u6ce8\u610f\u4e8b\u9805 <\/p>\n\n\n\n

\u95dc\u9589split-horizon
(config-if)#no ip split-horizon eigrp < as><\/strong>
ps:
\u7576\u4f7f\u7528frame-relay\u7684multipoint\u4ecb\u9762,\u4e14\u540c\u6642\u6709\u4e09\u53f0router\u5728\u4e00\u500b\u5b50\u7db2\u8def\u5167
\u50cf\u662ffull mesh(\u5b8c\u5168\u4e92\u9023)\u6216partial mesh(\u90e8\u4efd\u4e92\u9023)\u7684\u7db2\u8def\u67b6\u69cb\u4e0b 
\u6703\u56e0\u70ba\u9810\u8a2d\u7684split-horizon,\u800c\u9020\u6210EIGRP\u8a0a\u606f\u7121\u6cd5\u4ea4\u63db 
\u56e0\u6b64\u8981\u5728frame-relay\u4e0b\u4e4bmutlipoint\u4ecb\u9762\u4e0b\u95dc\u9589split-horizon\u4ee5\u89e3\u6c7a\u8a72\u554f\u984c
ex:
(config)#interface Serial0\/0\/0
(config-if)#no ip address
(config-if)#encapsulation frame-relay
(config-if)#interface Serial0\/0\/0.9 multipoint
(config-if)#ip address 10.0.0.1 255.255.255.248
(config-if)#frame-relay interface-dlci 103
(config-if)#frame-relay interface-dlci 104
(config-if)#no ip split-horizon eigrp 1<\/p>\n\n\n\n

\u6307\u5b9aEIGRP\u53ef\u7528\u983b\u5bec
(config-if)#ip bandwidth-percent eigrp < as> < percent><\/strong>
number\u6307\u5b9a\u983b\u5bec 
percent\u53ef\u8abf\u6574eigrp\u53ef\u4f7f\u7528\u4e4b\u983b\u5bec\u767e\u5206\u6bd4,\u9810\u8a2d\u662f50%  
ps:
\u7576\u4f7f\u7528frame-relay\u4e4b\u985e\u7684NBMA(\u975e\u5ee3\u64ad\u591a\u91cd\u5b58\u53d6)\u6642,EIGRP\u7684update\u8a0a\u606f\u53ef\u80fd\u6703\u8d85\u904e\u93c8\u8def\u7684\u8ca0\u8377
\u56e0\u6b64\u9700\u8981\u6307\u5b9a\u53ef\u4f7f\u7528\u7684\u983b\u5bec,\u4ee5\u6e1b\u8f15\u8ca0\u8377
ex:
(config)#interface Serial0\/0\/0
(config-if)#no ip address
(config-if)#encapsulation frame-relay
(config-if)#interface Serial0\/0\/0.9 multipoint
(config-if)#ip address 10.0.0.1 255.255.255.248
(config-if)#frame-relay interface-dlci 103
(config-if)#frame-relay interface-dlci 104
(config-if)#bandwidth 200
(config-if)#ip bandwidth-percent eigrp 1 40<\/p>\n\n\n\n

ps:
\u5047\u8a2d\u4ecb\u9762serial\u65b0\u589e\u591a\u9ede\u5b50\u4ecb\u9762(dlci101,dlci102)\u548c\u55ae\u9ede\u5b50\u4ecb\u9762(dlci103)\u9019\u5169\u500b\u5b50\u4ecb\u9762
\u5247\u5404dlci\u9810\u8a2d\u53ef\u4f7f\u7528eigrp\u7684\u983b\u5bec\u70ba
\u591a\u9ede\u5b50\u4ecb\u9762serial
\u3000dlci101=(1544*50%)\/2
\u3000dlci102=(1544*50%)\/2 
\u55ae\u9ede\u5b50\u4ecb\u9762serial
\u3000dlci103=(1544*50%)   
ps:1544\u70baserial\u4ecb\u9762\u9810\u8a2d\u983b\u5bec<\/p>\n\n\n\n

………..  <\/p>\n\n\n\n

\u62d3\u6a38\u8abf\u6574<\/strong>   <\/p>\n\n\n\n

\u8a2d\u5b9aeigrp\u7684bandwidth
(config-if)#bandwidth < kbps><\/strong><\/p>\n\n\n\n

\u8a2d\u5b9aeigrp\u7684delay
(config-if)# delay < number> <\/strong>
number\u55ae\u4f4d\u70ba10ms(\u5fae\u79d2)
ps:show interface\u6240\u7528\u55ae\u4f4d\u70bams(\u5fae\u79d2),\u56e0\u6b64\u8f38\u51fa\u7684\u6578\u64da\u6703\u4e0d\u592a\u4e00\u6a23
ps:\u82e5\u8981\u5f9ebandwidth\u548cdelay\u6c7a\u5b9a\u8def\u5f91,\u5efa\u8b70\u8abf\u6574delay,\u56e0\u70badelay\u5c0d\u5176\u4ed6\u6a21\u7d44\u5f71\u97ff\u8f03\u5c0f<\/p>\n\n\n\n

ps:
\u5404\u4ecb\u9762\u7684bandwidth\u548cdelay\u503c\u9810\u8a2d\u5982\u4e0b
interface bandwidth(kbps) delay(10ms) 
serial 1544 2000 
giga 1000000 10
faste 100000 100
ethernet 10000 1000<\/p>\n\n\n\n

\u8a2d\u5b9aeigrp\u7684hop count
(config-router)#metric maximum-hops < value><\/strong>
\u9810\u8a2dhop count\u70ba100<\/p>\n\n\n\n

\u8a2d\u5b9aeigrp\u7684k\u503c
(config-router)#metric weights < option><\/strong>
ps:\u5b98\u65b9\u5efa\u8b70\u4e0d\u8981\u4fee\u6539k\u503c<\/p>\n\n\n\n

\u8a2d\u5b9aoffset list\u6539\u8b8ametric weight
\u6703\u5728\u6aa2\u67e5\u6240\u6709update\u8a0a\u606f,\u82e5\u7b26\u5408\u6307\u5b9a\u7684\u689d\u4ef6,\u5247\u5728FD\u548cRD\u4e0a\u589e\u52a0\u6578\u503c,\u503c\u8d8a\u9ad8\u8868\u793a\u8def\u5f91\u8d8a\u5dee 
(config-router)#offset-list < acl id|acl name> < in|out> < number> < int><\/strong>
in\u548cout\u662f\u6307\u5b9a\u9032\u5165\u6216\u96e2\u958b\u4ecb\u9762
number:\u6307\u5b9a\u6700\u5f8c\u8981\u52a0\u591a\u5c11metric weight\u5728\u8a72\u4ecb\u9762\u4e0a
ex:
\u5728serial0\/1\u4ecb\u9762\u4e0a\u6536\u523010.1.1.0\u7684\u8def\u5f91\u5f8c,metric weight\u5728\u52a05 
(config)# access-list 12 permit 10.1.1.0
(config)# router eigrp 1
(config-router)# offset-list 12 in 5 Serial0\/1
ex:
\u5728serial0\/2\u4ecb\u9762\u4e0a\u9001\u51fa10.1.1.0\u7684\u8def\u5f91\u524d,metric weight\u5728\u52a03 
(config)# access-list 11 permit 10.1.1.0
(config)# router eigrp 1
(config-router)# offset-list 11 out 3 Serial0\/2<\/p>\n\n\n\n

….. <\/p>\n\n\n\n

\u52a0\u5feb\u6536\u6582 <\/p>\n\n\n\n

\u6307\u6d3eeigrp stub router
(config-router)#eigrp stub [option]<\/strong>
option\u6709\u4ee5\u4e0b,\u9810\u8a2d\u4f7f\u7528connected,summary,\u4e5f\u5c31\u662f\u4e0d\u6703\u5c07\u5b78\u4f86\u7684\u8def\u5f91\u5728\u901a\u544a\u7d66\u9130\u5c45 
\u3000connected:default,\u53ea\u901a\u544a\u8207network\u6307\u4ee4\u76f8\u7b26\u7684\u4ecb\u9762\u76f4\u9023\u8def\u5f91,\u5305\u62ecnull0\u4ecb\u9762\u3000
\u3000summary:default,\u53ea\u901a\u544a\u81ea\u52d5\u532f\u6574\u6216\u624b\u52d5\u532f\u6574\u7684\u8def\u5f91 
\u3000static: \u82e5\u6709\u8a2d\u5b9aredistribute static\u6307\u4ee4\uff0c\u5247\u901a\u544a\u975c\u614b\u8def\u5f91
\u3000redistributed: \u82e5\u6709\u8a2d\u5b9aredistribution,\u5247\u901a\u544aredistribute 
\u3000receive-only:\u4e0d\u5f97\u8207\u5176\u4ed6\u9078\u9805\u4e00\u8d77\u4f7f\u7528
\u3000\u30001.\u6703\u63a5\u53d7\u5176\u4ed6eigrp router\u7684query\uff0c\u4f46\u4e0d\u6703\u4e3b\u52d5\u50b3\u9001query
\u3000\u30002.\u4e0d\u901a\u544a\u4efb\u4f55\u8def\u5f91 
\u7531\u65bceigrp router\u4e0d\u6703\u50b3\u9001query\u8a0a\u606f\u7d66stub router\uff0c\u56e0\u6b64\u53ef\u6e1b\u7de9active status\u6642\u5927\u91cfquery\u7684\u7bc4\u570d<\/p>\n\n\n\n

\u8a2d\u5b9aactive timer
(config-router)# timers active-time < time>  
<\/strong>\u5728active status\u4e0b\uff0c\u6307\u5b9a\u767c\u51faquery\u8a0a\u606f\u5f8c\u7b49\u5f85reply\u8a0a\u606f\u7684\u6642\u9593<\/p>\n\n\n\n

… <\/p>\n\n\n\n

\u8ca0\u8f09\u5171\u4eab
1\u5148\u8a2d\u5b9a\u76ee\u5730\u5141\u8a31\u7684\u6700\u5927\u8def\u5f91\u6578\u91cf 
(config-router)# maximum-paths < number><\/strong>
2\u900f\u904eEIGRP variance(\u8b8a\u7570\u503c)\uff0c\u6c7a\u5b9a\u90a3\u4e9bfeasible successor\u7684\u8def\u5f91\u8981\u4e00\u8d77\u653e\u5165route table
(config-router)# variance < 1-128><\/strong>
\u7576feasible successor\u7684FD\u82e5\u5c0f\u65bc\u6216\u7b49\u65bcsuccessor\u7684FD*variance\uff0c\u5247\u5728\u76ee\u5730\u5141\u8a31\u7684\u6700\u5927\u8def\u5f91\u6578\u91cf\u5167\u90fd\u6703\u88ab\u52a0\u5165route table
ps:\u8def\u5f91\u7684FD\u8d8a\u9ad8\uff0c\u50b3\u9001\u7684\u5c01\u5305\u4e5f\u6703\u8d8a\u591a <\/p>\n\n\n\n

… <\/p>\n\n\n\n

\u8def\u5f91\u532f\u6574 <\/strong>
\u4e00\u822c\u5efa\u8b70\u8a2d\u5728autonomous system boundary routers\u4e0a<\/p>\n\n\n\n

\u624b\u52d5\u532f\u6574route
(config-if)#ip summary-address eigrp < as> < net\/mask> [ ad]<\/strong>
\u57f7\u884c\u5f8c\u8a72\u4ecb\u9762\u6703\u5148\u9032\u5165down\u72c0\u614b\uff0c\u5728\u56de\u5fa9\u5230up\u72c0\u614b\uff0c\u4e26\u5fd8\u8a18\u4e4b\u524d\u6240\u5b78\u5230\u7684\u62d3\u6a38
\u4e0d\u6703\u901a\u544asubordinate route(\u6b21\u7d1a\u8def\u5f91),\u56e0\u70ba\u5df2\u7d93\u5305\u542b\u5728\u532f\u6574route\u5167 
\u7522\u751f\u7684route,\u5176ad(administrative distance)\u9810\u8a2d\u70ba5,metric\u6703\u4f7f\u7528\u6240\u6709\u5b50\u7db2\u8def\u4e2d\u6700\u4f4e\u7684\u6b0a\u503c   
\u5f59\u6574\u7684net\/mask route\u6703\u4ee5null0\u4ecb\u9762\u65b0\u589e\u5728route table
ps:
null0\u4ecb\u9762\u50c5\u70ba\u4e86\u901a\u544a\u7528,\u5be6\u969b\u4e0a\u9032\u4f86\u8a72\u4ecb\u9762\u7684\u5c01\u5305\u90fd\u6703\u88abdrop 
ps:
\u4f7f\u7528\u624b\u52d5\u532f\u6574\u6642,\u6700\u597d\u57f7\u884cno auto-summary
ps:
eigrp\u652f\u63f4\u5728\u4efb\u4e00\u4f4d\u7f6e\u8a2d\u5b9asummary route <\/p>\n\n\n\n

\u81ea\u52d5\u532f\u6574
(config-router)#auto-summary<\/strong>
\u9810\u8a2d\u4f7f\u7528\u8a72\u529f\u80fd
\u6703\u5c07\u539f\u672c\u8def\u5f91\u63db\u6210\u5206\u7d1a\u5f0f\u7db2\u8def
ex:\u539f\u672croute\u70ba10.0.0.0\/24\u8d70fa0\/1\uff0c\u5728auto-summary\u4e0b\u6703\u8b8a\u621010.0.0.0\/8\u8d70fa0\/1 
ps:
EIGRP\u7684\u81ea\u52d5\u532f\u6574\u7121\u6cd5\u652f\u63f4\u4e0d\u9023\u7e8c\u7684\u7db2\u8def,\u82e5\u6709\u51fa\u73fe\u4e0d\u9023\u7e8c\u7db2\u8def\u6642\u4e0d\u8981\u81ea\u52d5\u532f\u6574<\/p>\n\n\n\n

…<\/p>\n\n\n\n

\u8a2d\u5b9adefault route<\/strong>
\u4e3b\u8981\u67092\u7a2e\u505a\u6cd5<\/p>\n\n\n\n

\u65b9\u6cd51:
Advertising Static Default Routes
(config)# ip route 0.0.0.0 0.0.0.0 < int>
(config)# router eigrp < as>
(config-router)# network 0.0.0.0  <\/strong>\/\/\u5c070.0.0.0\u8def\u7531\u653e\u5165eigrp\u4e2d,\u4e26\u516c\u544a\u51fa\u53bb
\u8a72router\u6703\u81ea\u5df1\u589e\u52a0\u4e00\u7b460.0.0.0\u7684route,\u7136\u5f8c\u900f\u904eeigrp\u516c\u544a\u51fa\u53bb
ps:\u4e5f\u53ef\u4ee5\u5c0d\u6b64static route\u57f7\u884credistribute<\/p>\n\n\n\n

\u65b9\u6cd52:
Configuring a Default Network
(config)# router eigrp < as><\/strong>
(config-router)# network < net> <\/strong>
(config)#ip default-network < net> <\/strong>\/\/\u5c07net\u8a2d\u70badefault network
\u8a72router\u6703\u5c07default network\u8a2d\u70bacandidate default route(\u5019\u9078\u9810\u8a2d\u8def\u5f91),\u4e26\u4ee5eigrp\u516c\u544a\u51fa\u53bb
\u5176\u4ed6router\u6703\u5b78\u5230\u8a72default network,\u82e5\u5b78\u5230\u8d85\u904e\u4e00\u7b46\u4ee5\u4e0a\u6642,\u5247\u4ee5AD\u53cametric\u6b0a\u503c\u6c7a\u5b9a\u6700\u4f73route
ps:
\u5b78\u5230\u8a72\u8def\u5f91\u7684route\u6703\u986f\u793agateway of last resort is x.x.x.x to network y.y.y.y
\u5176\u4e2dy.y.y.y\u8868\u793aip default-network\u5b9a\u7fa9\u7684\u7db2\u8def<\/p>\n\n\n\n

…….<\/p>\n\n\n\n

ps:
(config-router)#?
exit\u3000\u3000 Exit from routing protocol configuration mode
network\u3000\u3000 Enable routing on an IP network
auto-summary\u3000\u3000 Enable automatic network number summarization
redistribute\u3000\u3000 Redistribute information from another routing protocol
default-metric\u3000\u3000 Set metric of redistributed routes
distribute-list\u3000\u3000 Filter networks in routing updates
default-information\u3000\u3000 Control distribution of default information
distance\u3000\u3000 Control distribution of default information
passive-interface\u3000\u3000 Suppress routing updates on an interface <\/p>\n\n\n\n

………………………………………………………..<\/p>\n\n\n\n

\u986f\u793aeigrp\u6536\u9001\u8a0a\u606f\u7684\u7d71\u8a08
#show ip eigrp traffic<\/strong>
\u986f\u793a\u5167\u5bb9\u5305\u62echello,update,queries,replies,ack,…\u7b49Router# show ip eigrp traffic
\u756b\u9762\u5927\u81f4\u5982\u4e0b
IP-EIGRP Traffic Statistics for process 77
Hellos sent\/received: 218\/205 \/\/ hello\u5c01\u5305\u6703\u4e0d\u65b7\u9001\u51fa
Updates sent\/received: 7\/23
Queries sent\/received: 2\/0  \/\/\u672a\u767c\u73fepath\u6642,query\u6578\u91cf\u6703\u589e\u52a0 
Replies sent\/received: 0\/2
Acks sent\/received: 21\/14<\/p>\n\n\n\n

\u986f\u793aeigrp\u4e0a\u4f7f\u7528\u7684ip\u4ecb\u9762\u6709\u90a3\u4e9b
#show ip eigrp interface [detail [int]]<\/strong>
\u756b\u9762\u5927\u81f4\u5982\u4e0b
IP-EIGRP interfaces for process 10
\u3000\u3000\u3000\u3000\u3000Xmit Queue Mean Pacing Time Multicast Pending
Interface Peers Un\/Reliable SRTT Un\/Reliable Flow Timer Routes
Se0 1 0\/0 1968 0\/10 0 0           
Et0 1 0\/0 1968 0\/10 0 0
ps:\u4e0d\u6703\u5217\u51fafail or passive interface 
\u82e5\u6307\u5b9adetail\u53c3\u6578,\u6703\u591a\u51fa\u5982\u4e0b\u756b\u9762 
Hello interval is 2 sec  \/\/hello\u9593\u9694\u6642\u9593
Next xmit serial
Un\/reliable mcasts: 0\/1 Un\/reliable ucasts: 4\/9
Mcast exceptions: 1 CR packets: 1 ACKs suppressed: 1
Retransmissions sent: 2 Out-of-sequence rcvd: 0
Authentication mode is not set
Use multicast<\/p>\n\n\n\n

\u986f\u793a\u6240\u6709eigrp\u9130\u5c45
#show ip eigrp neighbors<\/strong>
\u756b\u9762\u5927\u81f4\u5982\u4e0b
IP-EIGRP neighbors for process 10 \/\/\u4ee5\u4e0b\u9130\u5c45\u572810\u7684process id
H Address Interface Hold Uptime SRTT RTO Q Seq
0 24.17.2.18 Se0 9 04:15:56 1123 6738 0 2
0 24.17.2.2 Et0 8 04:15:56 1123 6738 0 2
h\u8868\u793a\u9130\u5c45\u88ab\u767c\u73fe\u7684\u9806\u5e8f
hold\u8868\u793arouter\u9858\u610f\u7b49\u5f85\u591a\u4e45\u4f86\u63a5\u6536\u9130\u5c45\u7684hello\u5c01\u5305
uptime\u8868\u793a\u9130\u5c45\u5df1\u5efa\u7acb\u591a\u4e45,\u6642\u9593\u55ae\u4f4d\u662f
srtt(smooth round-trip timer,\u5e73\u9806\u4f86\u56de\u903e\u6642\u8a08\u6642\u5668),\u986f\u793a\u5f80\u8fd4\u9130\u5c45\u6642\u9593
rto(retransmission time out,\u91cd\u9001\u903e\u6642),\u91cd\u9001\u4f47\u5217\u4e2d\u5c01\u5305\u7d66\u9130\u5c45\u7684\u9593\u9694\u6642\u9593
q\u8868\u793a\u4f47\u5217\u4e2d\u662f\u5426\u9084\u6709\u8a0a\u606f,\u82e5\u503c\u4e00\u76f4\u5f88\u5927\u8868\u793a\u6709\u554f\u984c
seq\u7dad\u6301\u540c\u6b65\u63d0\u4f9b\u53ef\u9760\u7528,\u548ctcp\u7684seq\u6b04\u4f4d\u529f\u80fd\u985e\u4f3c<\/p>\n\n\n\n

\u986f\u793a\u62d3\u6a38\u8868\u5167\u5bb9
#show ip eigrp topology [network| all-links | active]<\/strong>
\u756b\u9762\u5927\u81f4\u5982\u4e0b
IP-EIGRP Topology Table for process 10   \/\/area 10
Codes: P – Passive, A – Active, U – Update, Q – Query, R – Reply,r – Reply status
P 10.1.1.0\/24, 1 successors, FD is 281600 \u3000\/\/\u5230\u905410.1.1.0\/24\u7684\u7db2\u8def\u6709\u4e00\u689dsuccessors
\u3000\u3000Connected, Ethernet0
P 10.1.2.1\/24, 1 successors, FD is 28160
\u3000\u3000via 192.168.3.0 (28160\/21640) Connected, Serial0 \/\/21640\u662fRD,\u4e14FD\u6700\u5c0f,\u6b64\u70basuccessor 
\u3000\u3000via 192.168.3.0 (28161\/21640) Connected, Serial0 \/\/FD\u4e0d\u662f\u6700\u5c0f,\u6b64\u70bafeasible successor  
\/\/passive\u8868\u793a\u60f0\u6027\u72c0\u614b,\u9019\u662f\u6700\u597d\u7684\u8def\u5f91
\/\/active\u8868\u793a\u9032\u5c55\u4e2d\u7684\u72c0\u614b,\u56e0\u901a\u5f80\u8a72\u7db2\u8def\u7684\u8def\u5f91\u5931\u6548,router\u6b63\u5728\u641c\u5c0b\u66ff\u4ee3\u8def\u5f91\u4e2d
[network]
\u82e5\u6307\u5b9a\u53c3\u6578network
\u756b\u9762\u5927\u81f4\u5982\u4e0b
# show ip eigrp topology 10.1.1.0\/24
IP-EIGRP (AS 1): Topology entry for 10.1.1.0\/24
State is Passive, Query origin flag is 1, 1 Successor(s), FD is 28160
Routing Descriptor Blocks:
0.0.0.0 (FastEthernet0\/0), from Connected, Send flag is 0x0
\u3000Composite metric is (28160\/0), Route is Internal  \/\/FD=28160,RD=0
\u3000Vector metric:
\u3000\u3000Minimum bandwidth is 10000 Kbit   \/\/k\u503c\u4e2d\u7684\u983b\u5bec,\u4ee3\u8868\u5f9e\u8a72\u8a2d\u5099\u523010.1.1.0\u7db2\u8def\u4e2d,\u6703\u7d93\u904e\u7684\u6700\u4f4e\u983b\u5bec 
\u3000\u3000Total delay is 200 microseconds  \/\/k\u503c\u4e2d\u7684delay,\u4ee3\u8868\u5f9e\u8a72\u8a2d\u5099\u523010.1.1.0\u7db2\u8def\u4e2d,\u6240\u6709delay\u503c\u7684\u52a0\u7e3d
\u3000\u3000Reliability is 255\/255
\u3000\u3000Load is 1\/255
\u3000\u3000Minimum MTU is 1500
\u3000\u3000Hop count is 1     \/\/k\u503c\u4e2d\u7684hop count,\u4ee3\u8868\u5f9e\u8a72\u8a2d\u5099\u523010.1.1.0\u7db2\u8def\u4e2d,\u6703\u7d93\u904e\u5e7e\u500b\u4ecb\u9762
\u3000exterior flag is set   \/\/\u6b64\u7db2\u8def\u70badefault network 
[all-links] 
\u82e5\u6307\u5b9a\u53c3\u6578all-link,\u5247\u6703\u986f\u793a\u6240\u6709\u8def\u5f91 
\u756b\u9762\u5927\u81f4\u5982\u4e0b
#show ip eigrp topology all-links
…omitted
P 10.1.1.0\/24, 1 successors, FD is 2172416, serno 45
\u3000via 10.1.2.1 (2172416\/28160), Serial0\/0\/0.1  \/\/\u70basuccessor 
\u3000via 10.1.3.1 (2172516\/2172316), Serial0\/0\/0.1 \/\/\u70bafeasible successor,\u56e0RD < sucessor\u7684FD \u3000
   via 10.1.4.1 (2174976\/2172416), FastEthernet0\/0\u3000\/\/\u975efeasible successor\uff0c\u56e0\u70baRD\u6c92\u6709< successor\u7684FD\u3000
[active]
\u986f\u793a\u6b63\u5728\u5c0b\u627e\u7684route 
IP EIGRP Topology Table for process 1
Codes: P Passive, A Active, U Update,
Q Query, R Reply, r Reply status
A 10.1.2.0 255.255.255.0, 1 successors, FD is 2733056 1 replies,
active 0:00:38, query origin: Multiple \u3000\/\/\u9032\u5165active\u72c0\u614b38\u79d2
\u3000via 10.1.4.3 (Infinity\/Infinity), r, Serial0, serno 1232\u3000\/\/r\u8868\u793a\u9084\u5728\u7b49\u5f85reply
\u3000via 10.1.6.5 (Infinity\/Infinity),R, Serial1, serno 1227  \/\/R\u8868\u793a\u5df2\u6536\u5230reply<\/p>\n\n\n\n

\u986f\u793aeigrp\u76f8\u95dc\u72c0\u614b\u8207\u53c3\u6578
#show ip protocols<\/strong>
\u756b\u9762\u5927\u81f4\u5982\u4e0b
Routing Protocol is “eigrp 10” \/\/\u4f7f\u7528as\u70ba10
Outgoing update filter list for all interfaces is
Incoming update filter list for all interfaces is
Default networks flagged in outgoing updates
Default networks accepted from incoming updates
EIGRP metric weight K1=1, K2=0, K3=1, K4=0, K5=0  \/\/k\u503c
 EIGRP maximum hopcount 100
EIGRP maximum metric variance 1
Redistributing: eigrp 10
Routing for Networks:
\u300024.0.0.0
Passive Interface(s):
\u3000FastEthernet0\/0     \/\/\u88ab\u52d5\u4ecb\u9762 
Routing Information Sources:
\u300024.17.2.2 90 00:00:00
Distance: internal 90 external 170\u3000\/\/ad\u503c<\/p>\n\n\n\n

\u986f\u793aeigrp\u8def\u7531\u8868
#show ip route [eigrp|neighbors]<\/strong>
\u756b\u9762\u5927\u81f4\u5982\u4e0b
…omitted
gateway of last resort is 10.1.1.1 to network 192.168.1.0    \/\/\u5230default network192.168.1.0\u7684nexthop\u70ba10.1.1.1
…omitted 
C 24.17.2.0 is directly connected, Ethernet0
D 24.17.2.16 [90\/471040] via 24.17.2.1, 00:03:29, Ethernet0 \/\/metric471040=FD
\u300024.17.2.16 [90\/471041] via 24.17.3.1, 00:03:30, Ethernet1 \/\/\u8a2d\u5b9avariance\uff0c\u6240\u4ee524.17.2.16\u67092\u500b\u8def\u5f91\u3000 
D*EX 0.0.0.0 [170\/481040] via 10.1.1.2, 00:02:12, serial0\/1 \/\/\u5f9e\u5916\u90e8\u8def\u5f91\u5b78\u5230default route\u3000<\/p>\n\n\n\n

\u986f\u793aEIGRP\u7684DEBUG\u8a0a\u606f
# debug eigrp packet<\/strong>
\u756b\u9762\u5927\u81f4\u5982\u4e0b
EIGRP Packets debugging is on
(UPDATE, REQUEST, QUERY, REPLY, HELLO, IPXSAP, PROBE, ACK, STUB, SIAQUERY,SIAREPLY)

\u9130\u5c45\u9a57\u8b49\u76f8\u95dc\u8a0a\u606f\u3000
R1#
Apr 1 09:08:01.951: EIGRP: Sending HELLO on FastEthernet0\/1
Apr 1 09:08:01.951: AS 1, Flags 0x0, Seq 0\/0 idbQ 0\/0 iidbQ un\/rely 0\/0
Apr 1 09:08:01.967: EIGRP: pkt key id = 2, authentication mismatch
Apr 1 09:08:01.967: EIGRP: FastEthernet0\/1: ignored packet from 10.1.1.2,
opcode = 5 (invalid authentication)
Apr 1 09:08:02.287: EIGRP: FastEthernet0\/1: ignored packet from 10.1.1.3,
opcode = 5 (missing authentication)
\u5176\u4e2d
invalid authentication\u8868\u793a\u6709\u4f7f\u7528md5\uff0c\u4f46\u7121\u6548
missing authentication\u8868\u793a\u5c1a\u672a\u4f7f\u7528md5<\/p>\n\n\n\n

dual\u76f8\u95dc\u8a0a\u606f
DEC 20 12:12:06: %DUAL-5-NBRCHANGE: IP EIGRP 1: Neighbor 10.1.4.3 (Serial0) is down: stuck in active \/\/\u5169\u908a\u9130\u5c45\u95dc\u4fc2\u91cd\u7f6e
DEC 20 12:15:23: %DUAL-3-SIA: Route 10.1.2.0\/24 stuck in active state in IP EIGRP 1.Cleaning up \/\/ active route\u7684SIA\u72c0\u614b\u6e05\u9664 <\/p>\n\n\n\n

…………………………<\/p>\n\n\n\n

\u555f\u7528ipv6 eigrp
(config)# ipv6 router eigrp < as><\/strong>
ps:\u904b\u4f5cripng\u524d,ipv6 unicast-routing\u6307\u4ee4\u9700\u8981\u88ab\u57f7\u884c
(config-if)# ipv6 eigrp < as><\/strong>
ps:\u4ecb\u9762\u555f\u7528ipv6 eigrp\u524d,\u4ecb\u9762\u9700\u5148\u555f\u7528ipv6
(config-if)# no shutdown<\/strong>
ps:
\u904b\u4f5c\u6642\u8981\u6709eigrp rid,\u9810\u8a2d\u5728\u6709ipv4\u4f4d\u5740\u7684\u60c5\u6cc1\u4e0b\u6703\u81ea\u52d5\u9078\u51fa,
\u82e5\u7121ipv4\u4f4d\u5740,\u5247\u4e0d\u6703\u81ea\u52d5\u9078\u51fa,\u9700\u4ee5\u6307\u4ee4eigrp router-id\u624b\u52d5\u6307\u6d3erid<\/p>\n\n\n\n


# show ipv6 route 2099::\/64<\/strong>
Routing entry for 2099::\/64
\u3000Known via “eigrp 9”, distance 90, metric 2174976, type internal\u3000\/\/\u4f7f\u7528as 9
\u3000Route count is 2\/2, share count 0
\u3000Routing paths:
\u3000\u3000FE80::22FF:FE22:2222, Serial0\/0\/0.2 \/\/\u5230\u90542099::\/64\u7684NEXT HOP\u70baFE80::22FF:FE22:2222(fe80\u8868\u793a\u70balink local ipv6)
\u3000\u3000\u3000Last updated 00:24:32 ago
\u3000\u3000FE80::11FF:FE11:1111, Serial0\/0\/0.1
\u3000\u3000\u3000Last updated 00:07:51 ago<\/p>\n\n\n\n

# show ipv6 route eigrp<\/strong>
IPv6 Routing Table – Default – 19 entries
Codes: C – Connected, L – Local, S – Static, U – Per-user Static route
B – BGP, M – MIPv6, R – RIP, I1 – ISIS L1
I2 – ISIS L2, IA – ISIS interarea, IS – ISIS summary, D – EIGRP
[omit]\u3000
D 2099::\/64 [90\/2174976]
\u3000via FE80::22FF:FE22:2222, Serial0\/0\/0.2 \/\/\u5230\u90542099::\/64\u7684NEXT HOP\u70baFE80::22FF:FE22:2222(fe80\u8868\u793a\u70balink local ipv6)
\u3000via FE80::11FF:FE11:1111, Serial0\/0\/0.1<\/p>\n\n\n\n


# show ipv6 protocols<\/strong>
IPv6 Routing Protocol is “eigrp 9”
\u3000EIGRP metric weight K1=1, K2=0, K3=1, K4=0, K5=0 \/\/eigrp metric
\u3000EIGRP maximum hopcount 100
\u3000EIGRP maximum metric variance 1\u3000\u3000\/\/variance=1
\u3000Interfaces: \/\/\u555f\u7528eigrp\u7684\u4ecb\u9762
\u3000\u3000FastEthernet0\/0
\u3000\u3000Serial0\/0\/0.1
\u3000\u3000Serial0\/0\/0.2
\u3000Redistribution:
\u3000\u3000None
\u3000Maximum path: 16 \/\/\u9650\u5236\u540c\u76ee\u5730\u6700\u591a16\u500b\u76f8\u540c\u6b0a\u503c\u7684\u8def\u5f91
\u3000Distance: internal 90 external 170\u3000<\/p>\n\n\n\n


# show ipv6 eigrp neighbors<\/strong>
IPv6-EIGRP neighbors for process 9
H Address Interface Hold Uptime SRTT RTO Q Seq
(sec) (ms) Cnt Num
1 Link-local address: Se0\/0\/0.2 14 01:50:51 3 200 0 82
\u3000FE80::22FF:FE22:2222
0 Link-local address: Se0\/0\/0.1 13 01:50:52 14 200 0 90
\u3000FE80::11FF:FE11:1111


# show ipv6 eigrp topology<\/strong>
IPv6-EIGRP Topology Table for AS(9)\/ID(10.10.34.3)
Codes: P – Passive, A – Active, U – Update, Q – Query, R – Reply,r – reply Status, s – sia Status
P 2099::\/64, 2 successors, FD is 2174976\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\/\/2\u500bsuccessor\uff0cfd=2174976
\u3000via FE80::11FF:FE11:1111 (2174976\/30720), Serial0\/0\/0.1
\u3000via FE80::22FF:FE22:2222 (2174976\/30720), Serial0\/0\/0.2<\/p>\n\n\n\n

# show cdp entry R1<\/strong>
————-
Device ID: R1\u3000\u3000\u3000\u3000\u3000\/\/\u9130\u5c45r1
Entry address(es):
\u3000IP address: 10.10.13.1\u3000\u3000\/\/\u9130\u5c45r1\u7684ipv4\u4f4d\u5740
\u3000IPv6 address: 2013::1 (global unicast) \/\/\u9130\u5c45r1\u7684public ipv6
\u3000IPv6 address: FE80::11FF:FE11:1111 (link-local)\u3000\u3000\/\/\u9130\u5c45r1\u7684link local ipv6
Platform: Cisco 1841, Capabilities: Router Switch IGMP
Interface: Serial0\/0\/0.1, Port ID (outgoing port): Serial0\/0\/0.3<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4f7f\u7528eigrp(config)#router eigrp & …<\/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":[33],"tags":[],"class_list":["post-926","post","type-post","status-publish","format-standard","hentry","category-cisco-layer3"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/926","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=926"}],"version-history":[{"count":0,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/926\/revisions"}],"wp:attachment":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/media?parent=926"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/categories?post=926"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/tags?post=926"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}