cisco route\u4e3b\u8981\u5167\u90e8\u5143\u4ef6:
RAM(\u96a8\u6a5f\u5b58\u53d6\u8a18\u61b6\u9ad4):\u5132\u5b58routing table,arp\u53ca\u5feb\u901f\u4ea4\u63db\u5feb\u53d6,\u5c01\u5305\u7de9\u885d\u8207\u4fdd\u7559\u4f47\u5217,…
NVRAM(\u975e\u63ee\u767c\u6027\u7684RAM):\u5132\u5b58\u5099\u4efd\u6216\u555f\u52d5\u7d44\u614b\u6a94,ex:startup-config
flash memory(\u5feb\u9583\u8a18\u61b6\u9ad4):\u653eos\u6620\u50cf\u6a94\u8207microcode(\u5fae\u7a0b\u5f0f\u78bc)
ROM(\u552f\u8b80\u8a18\u61b6\u9ad4):\u4fdd\u7559POST\u6307\u4ee4,\u5132\u5b58\u555f\u52d5\u7684bootstrap\u7a0b\u5f0f
interface(\u4ecb\u9762):serial,ethernet,…\u7b49\u4ecb\u9762 <\/p>\n\n\n\n
\u8a2d\u5b9arouter\u4e32\u5217\u4ecb\u9762
(config)#int < serial interface> \/\/\u9078\u64c7\u4e32\u5217\u4ecb\u9762
(config-if)#ip address < ip> < mask>
(config-if)#clock rate < bps> \/\/\u8a2d\u5b9aDCE\u6642\u8108\u901f\u7387,\u82e5\u662fDTE\u5247\u7701\u7565
(config-if)#no shutdown \/\/\u555f\u52d5\u8a72\u4ecb\u9762
\u5728\u5be6\u969b\u60c5\u6cc1\u4e0b,route\u5e7e\u4e4e\u662fDTE
\u5728\u5be6\u9a57\u74b0\u5883\u4e0b,route\u53ef\u4ee5\u4e32\u5217\u7dda\u8def\u76f8\u9023,\u4f46\u5176\u4e2d\u4e00\u908a\u9700\u8a2d\u70baDCE\u63d0\u4f9b\u6642\u8108\u901f\u7387
ex:\u8a2d\u5b9aserial 1\/0\u4ecb\u9762\u70baDCE,ip\u70ba192.168.1.1,mask\u70ba255.255.255.0
(config)#int serial 1\/0
(config-if)#ip address 192.168.1.1 255.255.255.0
(config-if)#clockrate 56000
(config-if)#no shutdown
ps:show controllers < int>\u53ef\u67e5\u770b\u8a72\u4ecb\u9762\u662f\u5426\u6709\u9023\u7d50DCE\u7e9c\u7dda<\/p>\n\n\n\n
\u6307\u5b9a\u983b\u5bec
(config-if)#bandwidth < Kbps>
\u4e00\u4e9brouting protocol\u6703\u4ee5bandwidth\u8a08\u7b97metric,\u6539\u8b8abandwidth\u53ef\u4f7f\u8def\u5f91\u6539\u8b8a,ex:eigrp,igrp,ospf…\u7b49
ex:\u6307\u5b9a\u983b\u5bec\u70ba1544k
(config-if)#bandwidth 1544<\/p>\n\n\n\n
\u555f\u7528split-horizon
(config-if)#ip split-horizon
\u9810\u8a2d\u70ba\u555f\u7528<\/p>\n\n\n\n
\u555f\u52d5CIDR\u6280\u8853
(config)#ip classless<\/p>\n\n\n\n
\u5141\u8a31\u4f7f\u7528\u7b2c\u4e00\u500b\u548c\u6700\u5f8c\u4e00\u500b\u5b50\u7db2\u8def
(config)#[no] ip subnet-zero
ps:ios12\u7248\u5f8c\u9810\u8a2d\u70ba\u958b\u555f<\/p>\n\n\n\n
\u555f\u52d5cisco router IPv6 forwarding
(config)#IPv6 unicast-routing<\/p>\n\n\n\n
…………………………………………………………………………………………..<\/p>\n\n\n\n
\u8a2d\u5b9a\u975c\u614b\u8def\u7531
(config)#[no] ip route < prefix> < prefix mask> < out ip|out interface> [ad]
[no]\u70ba\u9078\u9805\u53c3\u6578,\u82e5\u52a0\u5165\u5247\u6539\u70ba\u522a\u9664\u975c\u614b\u8def\u7531
prefix\u8868\u76ee\u5730\u7db2\u8def,prefix mask\u70ba\u76ee\u7684\u7db2\u8defmask
[ad]\u70ba\u9078\u9805\u53c3\u6578,\u9810\u8a2d\u70ba1,\u82e5\u4f7f\u7528out interface\u76f8\u9130\u4ecb\u9762\u5247\u70ba0,\u53ef\u8a2d\u5b9a0-255\u6578\u503c,\u6b64\u503c\u8d8a\u4f4e\u8868\u793a\u8a72\u8def\u5f91\u8d8a\u512a\u5148
\u8a2d\u5b9a\u5b8c\u5f8c\u53ef\u5728show ip route\u770b\u5230\u7d50\u679c
ex:\u8a2d\u5b9a192.168.100.0\/24\u7684\u7db2\u8def\u7531192.168.1.2\u9019\u500b\u4ecb\u9762\u904e\u53bb
(config)#ip route 192.168.100.0 255.255.255.0 192.168.1.2
ex:\u522a\u9664”192.168.100.0\/24\u7684\u7db2\u8def\u7531192.168.1.2\u9019\u500b\u4ecb\u9762\u904e\u53bb”\u9019\u500b\u8a2d\u5b9a
(config)#no ip route 192.168.100.0 255.255.255.0 192.168.1.2<\/p>\n\n\n\n
……….<\/p>\n\n\n\n
\u7528\u975c\u614b\u8def\u7531\u65b9\u5f0f\u8a2d\u5b9a\u9810\u8a2d\u8def\u7531
(config)#ip route 0.0.0.0 0.0.0.0 < ip|interface>
ex:\u8a2d\u5b9a\u9810\u8a2d\u8def\u7531\u5f9e192.168.1.2\u9019\u500bip\u904e\u53bb
(config)#ip route 0.0.0.0 0.0.0.0 192.168.1.2
ps:
\u82e5\u6709\u591a\u689dip route 0.0.0.0 0.0.0.0\u6307\u4ee4\uff0c\u6d41\u91cf\u6703\u81ea\u52d5\u5728\u591a\u689droute\u4e0a\u505aload balance
load balance\u53ef\u900f\u904etraceroute\u7b49\u76f8\u95dc\u6307\u4ee4\u53bb\u9a57\u8b49<\/p>\n\n\n\n
\u7528\u52d5\u614b\u5354\u5b9a\u8a2d\u5b9a\u9810\u8a2d\u8def\u7531
(config)#ip default-network < network>
\u6703\u81ea\u52d5\u5ba3\u50b3\u9019\u500b\u9810\u8a2d\u7db2\u8def,\u4f7f\u5176\u4ed6\u8def\u7531\u5668\u4e5f\u6703\u6536\u5230\u6b64\u8def\u5f91
\u82e5\u8def\u5f91\u8868\u51fa\u73feR* 0.0.0.0\/0 [120\/0] via … \u8868\u793a\u5176\u4ed6\u8def\u7531\u5668\u4f7f\u7528ip default-network\u88abrip\u53d6\u5f97
ps:
igrp\u4e2d\u53ea\u80fd\u7528ip default-network,\u56e0\u70baigrp\u7121\u6cd5\u8fa8\u8b580.0.0.0<\/p>\n\n\n\n
ps:
ip default-network\u548cip route 0.0.0.0 0.0.0.0\u540c\u6642\u4f7f\u7528\u6642
\u82e5ip default-network\u8a2d\u5b9a\u7684network\u5b58\u5728\u8a72\u8a2d\u5099\u4e0a,\u5247\u6210\u70badefault route\uff1b
\u82e5ip default-network\u8a2d\u5b9a\u7684network\u662f\u5b78\u4f86\u7684,\u5247ip route 0.0.0.0 0.0.0.0\u6210\u70badefault route\u3002 <\/p>\n\n\n\n
……….<\/p>\n\n\n\n
\u8a2d\u5b9a\u52d5\u614b\u8def\u7531\uff0c\u555f\u7528routing protocol
(config)#[no] router < protocol [option]>
[option]\u5728protocol\u70baigrp\u6642,\u7576\u4f5cas,\u53ef\u81ea\u7531\u8a2d\u5b9a
[no]\u70ba\u9078\u64c7\u6027\u53c3\u6578,\u53ef\u53d6\u6d88routing protocol
ex:\u53d6\u6d88rip
(config)#no router rip
ex:\u53d6\u6d88as\u503c\u70ba10\u7684igrp
(config)#no router igrp 10<\/p>\n\n\n\n
\u52d5\u614b\u8def\u7531\u6ce8\u610f\u4e8b\u9805:
\u57f7\u884c1\u500b\u4ee5\u4e0a\u7684routing protocol\u53ef\u80fd\u6703\u6d6a\u8cbb\u983b\u5bec,cpu,\u8a18\u61b6\u9ad4
\u56e0\u70ba\u8def\u7531\u5668\u901a\u5e38\u53ea\u6703\u9078\u64c7\u6210\u672c\u4f4e\u7684protocol,\u800c\u5176\u4ed6prtocol\u6703\u88ab\u5ffd\u7565\u4f46\u4ecd\u5728\u904b\u4f5c\u4e2d<\/p>\n\n\n\n
ps:
(config)#router ?
\u3000eigrp:Enhanced Interior Gateway Routing Protocol (EIGRP)
\u3000rip :Routing Information Protocol (RIP)\u3000
\u3000igrp :Interior Gateway Routing Protocol (IGRP)
\u3000ospf :Open Shortest Path First (OSPF)
\u3000bgp :Border Gateway Protocol (BGP)
\u3000isis :ISO IS-IS
\u3000word :Route map tag<\/p>\n\n\n\n
\u4e0d\u8981\u81ea\u52d5\u7e3d\u7d50
(config-router)#no auto-summary
\u8981\u6c42eigrp\u6216ripv2\u4e0d\u8981\u5ba3\u50b3\u6b64\u8def\u7531\u5668\u9593\u7684\u6240\u6709\u7db2\u8def,\u5e38\u7528\u5728\u975e\u9023\u7e8c\u7db2\u8def
ps:eigrp\u548cripv2\u5728classful boundary(\u6709\u7d1a\u5225\u7684\u908a\u754c)\u7db2\u8def\u4e2d\u6703\u81ea\u52d5\u7e3d\u7d50,\u82e5\u7528\u5728\u975e\u9023\u7e8c\u7db2\u8def\u5247\u7121\u6cd5\u904b\u4f5c
ps:
ripv1,igrp,\u6703\u81ea\u52d5\u7e3d\u7d50\u6709\u7d1a\u5225\u908a\u754c\u7684\u7db2\u8def
eigrp,ripv2,\u6703\u81ea\u52d5\u7e3d\u7d50\u6709\u7d1a\u5225\u908a\u754c\u7684\u7db2\u8def,\u8981\u624b\u52d5\u652f\u63f4\u975e\u9023\u7e8c\u7db2\u8def
ospf,\u4e0d\u6703\u81ea\u52d5\u7e3d\u7d50\u6709\u7d1a\u5225\u908a\u754c\u7684\u7db2\u8def,\u6703\u81ea\u52d5\u652f\u63f4\u975e\u9023\u7e8c\u7db2\u8def<\/p>\n\n\n\n
…………………………………………………………………………………………..<\/p>\n\n\n\n
\u770b\u6240\u6709routing protocol\u76f8\u95dc\u8cc7\u8a0a
#show ip protocols
\u53ef\u6aa2\u67e5\u76ee\u524d\u5728router\u4e0a\u6240\u6709\u904b\u4f5c\u7684\u8def\u7531\u5354\u5b9a\u7684\u8a2d\u5b9a<\/p>\n\n\n\n
#show run
\u90e8\u4efd\u8a0a\u606f\u5305\u542b\u8def\u7531\u5354\u5b9a\u7684\u53c3\u6578
\u756b\u9762\u5927\u81f4\u5982\u4e0b
\u7701\u7565…
!
router ospf 1
network 175.10.1.0 0.0.0.255 area 0
network 180.10.1.0 0.0.0.255 area 0
!
\u7701\u7565…<\/p>\n\n\n\n
\u770b\u8def\u7531\u8868
>show ip route
\u986f\u793a\u51faip\u8def\u7531\u8868\u7684\u5167\u5bb9,\u53ef\u78ba\u8a8d\u8def\u7531\u5668\u5177\u6709\u5230\u9054\u8a72\u7db2\u8def\u7684\u8def\u5f91
\u82e5\u7121\u6cd5\u986f\u793a\u9810\u671f\u53d6\u5f97\u7684\u8def\u5f91,\u6216\u7121\u4efb\u4f55\u8def\u5f91,\u53ef\u80fd\u662f\u8def\u7531\u8cc7\u8a0a\u4e0d\u80fd\u4e92\u76f8\u4ea4\u63db,\u61c9\u6aa2\u67e5\u8def\u7531\u5354\u5b9a\u662f\u5426\u8a2d\u5b9a\u932f\u8aa4
\u756b\u9762\u5927\u81f4\u5982\u4e0b
Codes: C – connected, S – static, I – IGRP, R – RIP, M – mobile, B – BGP
\u3000D – EIGRP, EX – EIGRP external, O – OSPF, IA – OSPF inter area
\u3000E1 – OSPF external type 1, E2 – OSPF external type 2, E – EGP
\u3000i – IS-IS, L1 – IS-IS level-1, L2 – IS-IS level-2, * – candidate default
\u3000U – per-user static route
Gateway of last resort is 160.10.1.1 to network 0.0.0.0
C 192.168.1.0 is directly connected, Ethernet0 \/\/192.168.1.0\u76f4\u63a5\u8207router\u7684ethernet0\u76f8\u9023
S 192.168.100.0 [1\/0] via 192.168.1.2,… \/\/192.168.100.0\/24\u7684\u7db2\u8def\u7531192.168.1.2\u9019\u500b\u4ecb\u9762\u904e\u53bb
S* 0.0.0.0 [1\/0] via 160.10.1.1,… \/\/S*\u70ba\u9810\u8a2d\u8def\u7531,\u5176\u4ed6\u7db2\u8def\u5f9e160.10.1.1\u754c\u9762\u904e\u53bb
R 192.168.20.0 [120\/2] via 192.168.10.1,… \/\/\u52d5\u614b\u8def\u7531
\u975e\u76f4\u63a5\u76f8\u9023\u7684\u8def\u5f91\u683c\u5f0f\u70bacode ip [ad\/metric] via ip,time,interface
ps:\u57f7\u884cclear ip route *\u53ef\u6e05\u9664\u52d5\u614b\u8def\u7531\u5728\u91cd\u5b78<\/p>\n\n\n\n
\u770bipv6\u7684\u8def\u7531\u8868
>show ipv6 route<\/p>\n\n\n\n
……………………………………………..<\/p>\n\n\n\n
\u6307\u5b9aip\u8207mac\u7684\u5c0d\u61c9
(config)#[no] arp < ip> < mac> arpa
\u67e5\u770barp\u5feb\u53d6
>show arp
\u756b\u9762\u5927\u81f4\u5982\u4e0b
Protocol Address Age (min) Hardware Addr Type Interface
Internet 197.10.1.1 – 000C.3849.2796 ARPA Ethernet0<\/p>\n","protected":false},"excerpt":{"rendered":"
cisco route\u4e3b\u8981\u5167\u90e8\u5143\u4ef6:RAM(\u96a8\u6a5f\u5b58\u53d6\u8a18\u61b6\u9ad4) …<\/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-918","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\/918","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=918"}],"version-history":[{"count":0,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/918\/revisions"}],"wp:attachment":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/media?parent=918"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/categories?post=918"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/tags?post=918"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}