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OSPF基础配置
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第1个模块
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100台路由器,使用什么样的路由协议来设计这个网络
4 c9 e. Z$ F' k# x" p1 f1 FOSPF基本配置:9 c% {5 |4 I, g& t
[R1]ospf ?4 z. \0 B# S# ]3 c$ F) S
INTEGER<1-65535> Process ID //进程ID,OSPF邻居建立不要求进程ID相同% F& ^+ v7 G: Z+ t$ a1 [& W3 f
mib-binding Mib-Binding a Process
1 ~2 X) n* w" y9 f router-id <Group> router-id command group //路由器ID可以自动选择,但是强烈建议手工配置+ p# V0 r% \8 ]
valid-ttl-hops Valid GTSM TTL hops //TTL安全# P' e/ \+ ]& w8 c! {1 ~4 m
vpn-instance VPN routing/forwarding Instance //和MPLS VPN有关; y7 h" E0 q# p! _; X% k7 z7 I5 J
<cr> Please press ENTER to execute command
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( k/ @% _ X# o5 d- e/ o2 f* Tospf 1 router-id 5.5.5.5 + o* v6 w1 A0 e e8 V
area 0.0.0.56
2 G. k0 z( {+ ]: Z) U" S) N) K network 10.1.56.0 0.0.0.255 //含义1、10.1.56.0/24范围内的设备开启了OSPF 2、同时这个接口所在的网络状态信息同步给其他设备,用于计算路由
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ospf 1
?1 z, I) k& Q! L; X% f6 B, m$ Y area 0.0.0.56 //简单快速的配置方案,但是容易忽略掉创建区域! e/ r& V# o0 _. O4 H- S
interface Serial2/0/0% F8 m, S( W# O% h
link-protocol ppp
h r5 y0 X- G7 D- F ip address 10.1.56.6 255.255.255.0 " p4 j1 w6 k* d/ O, w
ospf enable 1 area 0.0.0.56 //该接口开启了OSPF,并且属于区域56.同时这个接口所在的网络状态信息同步给其他设备,用于计算路由
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3 ]( r" b- o, P* C" P6 J[R5]display ospf interface //哪些接口运行了OSPF
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2 Z0 }1 F) x+ i. J$ D0 W OSPF Process 1 with Router ID 5.5.5.5
; J- {% K. h& w5 U( Z$ c3 k! X Interfaces
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$ F& U' u; Q5 O, B, v Area: 0.0.0.56 (MPLS TE not enabled)
% z! q; e" C ` IP Address Type State Cost Pri DR BDR ; j4 l* `& d; f8 W7 V! g* N- B7 j% C; _
10.1.56.5 P2P P-2-P 48 1 0.0.0.0 0.0.0.0
- B& L! F& ` ~( J[R5]display ospf peer brief //查看OSPF邻居的简要信息,R5通过s2/0/0同邻居66.1.1.1在区域56中构建了邻居(邻接)5 d: q$ I& V4 z$ p: ^7 h
6 C/ Y* C+ v# ?! i* U# x3 L9 h OSPF Process 1 with Router ID 5.5.5.5$ s; B) A$ t1 F
Peer Statistic Information
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Area Id Interface Neighbor id State # x( n9 i8 X$ w! R K+ e
0.0.0.56 Serial2/0/0 66.1.1.1 Full 0 U0 y S- \9 C
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[R5]display ip routing-table protocol ospf //查看通过OSPF得到的路由表8 [* C, x4 Q- T9 J. |+ K
Route Flags: R - relay, D - download to fib //转发信息库(forwarding information base), _1 l- T0 c: T3 I
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Public routing table : OSPF
" X3 N/ C- k$ H+ Y9 Q& E Destinations : 1 Routes : 1 5 a& j, k% z( {. n
' o1 h% `* L' i2 n N% M/ ?$ gOSPF routing table status : <Active>$ I0 P4 @+ i5 A, V' [
Destinations : 1 Routes : 15 d7 O. Q) J) a4 v2 }. N
/ M! c6 S$ S5 F$ B2 {2 f8 TDestination/Mask Proto Pre Cost Flags NextHop Interface
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66.1.1.1/32 OSPF 10 48 D 10.1.56.6 Serial2/0/0, P+ S S% b9 ?4 }2 \3 ^) z
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OSPF routing table status : <Inactive>' P% A; ~0 w& l+ h' k" E; s
Destinations : 0 Routes : 0
$ e, v% x" H7 u作业:) [. h- J! P! Y) p5 I
1.完成R5和R6的OSPF基本配置,不要忘记环回接口
% l+ Q7 ^6 I- r. F% Q6 d" q0 S5 d7 P2.尝试完成R1、R4和R5的OSPF邻居配置
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