
言归正传,OSPF和RIP都配置好后执行重发布
# d! m2 A! E7 x$ Y+ ]& ?然后很自然地产生了次优路径: d# h; f# n' D2 e
发布后由于OSPF的管理距离小于RIP,所以R2上到192.168.6.0网段的下一跳指向了R4而不是R1,为了解决这个问题,配置了发布列表,R2和R3配置如下:: g! K# q7 [' w6 C
R2:$ b9 b$ p* q" z! D4 }7 V
router ospf 13 t1 A9 m; C0 K/ j" f( G# M
log-adjacency-changes- ]5 S( q4 j. s! l
redistribute rip subnets
7 G1 k, I( Q1 ?/ j& u# qnetwork 192.168.3.0 0.0.0.255 area 0
# [$ J1 c3 M; Idistribute-list 2 in
! J5 |) e2 ?5 I' m% p!
$ [: k) v3 x/ U( j1 \router rip
1 j8 i, D$ ~* f8 Yversion 24 j$ S I6 c3 b) t) k) w: d4 R
redistribute ospf 1 metric 5( M' o/ N- c! L- a E7 k
network 192.168.2.0 J- n* h) d5 _: `0 l1 Z6 C
distribute-list 1 in7 H* ?% j, O; n4 x5 u
no auto-summary
9 V+ U: a4 x5 Z!
4 n; P& ]( }' [3 c, A6 zip http server! ?" v$ }5 ]" f: ?3 B$ J
!
- l$ W2 g6 l$ d! Z9 h9 X! f!
1 ~, ?% d+ x1 R+ D- O!
5 r3 x+ s) p! t H( yaccess-list 1 permit 192.168.1.0 0.0.0.255. f, b7 z& I- x, l3 a3 d* \
access-list 1 permit 192.168.6.0 0.0.0.255
; F' T9 `$ ?% Eaccess-list 2 permit 192.168.4.0 0.0.0.255: J/ K/ a; Q- W, f/ {% d5 w. ?
access-list 2 permit 192.168.5.0 0.0.0.255
; k5 Y, V+ \4 w' _$ t% c6 E) h: B1 A" Z2 [/ p
R3:
y, \+ B) n$ c0 ~router ospf 1
0 S; o0 H! B" c* ~( T( Z* ulog-adjacency-changes
) X5 p4 t" K8 K6 |) D8 e4 e1 L7 T# yredistribute rip subnets, a0 b( P" X: Y0 X/ u0 E
network 192.168.5.0 0.0.0.255 area 0- A! F- ^; { r9 I' i9 i- f7 q
distribute-list 2 in
. M, X5 f* O$ q3 w t!7 R* O" ~, s, D' \" z
router rip: F* y% p* O @) B4 ^; D( h- U
version 2
6 g; q+ q& d/ fredistribute ospf 1 metric 5! k" ?) U; W" y# S9 ^4 y" o7 H
network 192.168.6.04 w7 u, ?+ K# i0 w6 X% S
distribute-list 1 in$ Z) w& G' q' F
no auto-summary2 d7 X3 p- ~/ s$ o
!9 w# `) C$ E! f D9 N3 e! L( U
ip http server* l4 Q# {3 @) Z- |
!, X9 V0 C' d% @- a
!+ Z7 a% e e8 ^1 e0 |, x3 `) q' m$ x
!
$ F6 ^$ V' S, p; ^" c& B2 uaccess-list 1 permit 192.168.2.0 0.0.0.255: {& X% _! p8 U7 F0 ?" w0 M
access-list 1 permit 192.168.1.0 0.0.0.255
0 O9 c! k1 [+ kaccess-list 2 permit 192.168.3.0 0.0.0.255# a n7 w+ i8 V: X7 p, R( r" \
access-list 2 permit 192.168.4.0 0.0.0.255
. @+ W" y8 k4 m( o9 ^: a- s+ o$ R' S# d/ \0 X) M# S" I" ^# S; ]
我理解的是只有访问控制列表1允许的地址才能发布进入RIP进程,列表2允许的地址可以发布进入ospf进程,不明白的是为什么R1、R4和R5还能学到不允许的地址?不是在重发布路由器那就给拦住了吗?* g2 q7 q, J5 X5 l+ ^# C; d
R1:% w2 z) T5 Q& ?, i7 h' p' ^
R1#sh ip rou# O" A1 x" U4 [- }7 O# f3 A
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP: w8 { A4 Y% ^# F0 b. h
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area " `7 @( G |( r; h5 S
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 21 \1 m2 J }2 B* m% h2 ~( P1 A
E1 - OSPF external type 1, E2 - OSPF external type 2
) _8 M; T! A) L w$ Y: m i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
. \+ N9 R+ g# M! {8 P% O7 m ia - IS-IS inter area, * - candidate default, U - per-user static route- }# c' p3 s% y# x( k, x
o - ODR, P - periodic downloaded static route/ x" R# u0 R' C3 U4 _+ X
( \' `7 K* v7 B- @
Gateway of last resort is not set8 @$ n9 e$ m' q+ m5 G; ?# H
7 A; I' u% {1 e5 w0 `R 192.168.4.0/24 [120/5] via 192.168.6.2, 00:00:02, FastEthernet1/0
+ k" r7 n' Y$ r9 m [120/5] via 192.168.2.2, 00:02:20, FastEthernet0/0
" O# ]4 I" c0 h! b. nR 192.168.5.0/24 [120/5] via 192.168.6.2, 00:00:02, FastEthernet1/0
$ ]. \- n1 n: b0 `+ T. E [120/5] via 192.168.2.2, 00:02:20, FastEthernet0/0
% v6 j% X! l! j! I. TC 192.168.6.0/24 is directly connected, FastEthernet1/0: u$ w. F9 i. \
C 192.168.1.0/24 is directly connected, Loopback09 N! M1 q' q' h; N& P. @! c; i/ z
C 192.168.2.0/24 is directly connected, FastEthernet0/0
, G0 E8 a4 G0 E+ hR 192.168.3.0/24 [120/5] via 192.168.6.2, 00:00:02, FastEthernet1/0
% Z3 Y. \8 Z3 _, ?& I; G- f+ t( w4 @ [120/5] via 192.168.2.2, 00:02:20, FastEthernet0/0
* d, x- L' u& N" W) _
8 e: p' c) |- F" HR4:
+ }3 ^2 U# {; I" \9 i5 LR4#sh ip rou* z; i' Q$ C" R! m
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP, Z: Y# Q; J% b* @0 R! ^
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area ; w% j2 }2 G R6 g! T( e0 R& ]
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
( o7 l+ p5 j. s7 [' ^ E1 - OSPF external type 1, E2 - OSPF external type 20 h5 l0 F6 I' c/ o9 h, K
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2; Q5 l) w5 r5 Z' ]$ a
ia - IS-IS inter area, * - candidate default, U - per-user static route x/ o1 e" o, d* e4 [! T1 ^
o - ODR, P - periodic downloaded static route: F( S5 q. h/ B! g0 t# D% J
4 F$ U) X5 k5 {$ B$ E2 [
Gateway of last resort is not set
" c/ U8 Y6 r S2 U5 P/ v2 M
9 |" K% ^2 E' c( z* s) ?) hC 192.168.4.0/24 is directly connected, FastEthernet0/0
0 i: p8 v! a9 B% s" k2 ~# H5 Y AO 192.168.5.0/24 [110/65] via 192.168.4.2, 00:16:40, FastEthernet0/0
( I! U# a! {! H: @4 L# P' i$ e- ]O E2 192.168.6.0/24 [110/20] via 192.168.3.1, 00:05:59, Serial1/03 w( X9 `: u/ p( A3 a
O E2 192.168.1.0/24 [110/20] via 192.168.3.1, 00:05:59, Serial1/0
+ b' P' u p4 T1 DO E2 192.168.2.0/24 [110/20] via 192.168.3.1, 00:05:59, Serial1/0
3 g! ^ I8 u! V( O9 E, l2 y! A4 HC 192.168.3.0/24 is directly connected, Serial1/0& Y# I% s9 q7 P. e0 I8 Y
8 v- Y8 q( N9 t: a- Q8 m
R5:6 G$ c2 E) E$ D$ a/ S9 {7 U2 W
R5#sh ip rou
6 ~# t8 W6 y8 X6 f2 X% ZCodes: C - connected, S - static, R - RIP, M - mobile, B - BGP
G6 S* C4 j8 [ D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area - G/ G9 j1 o# n) n. M" T
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
3 O# F" v9 v1 w) n* U E1 - OSPF external type 1, E2 - OSPF external type 2" p+ v7 k3 R6 [; a
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2" I% p; Y. X/ U9 e1 A* j
ia - IS-IS inter area, * - candidate default, U - per-user static route
8 G/ o: d+ d7 T# R7 T o - ODR, P - periodic downloaded static route
( l# v$ N2 g- X+ S( w; ]. ^6 G$ K7 m: g N
Gateway of last resort is not set
# M$ ], C D7 v5 u- X
: U, i: g/ o4 e; X- qC 192.168.4.0/24 is directly connected, FastEthernet0/01 Y. H% @# ~' |- A4 W! [* M
C 192.168.5.0/24 is directly connected, Serial1/03 |* r; m7 [; g% ?/ D; t
O E2 192.168.6.0/24 [110/20] via 192.168.5.1, 00:26:47, Serial1/0
9 [' G9 Y. I9 N ^$ D: Z! Z8 _O E2 192.168.1.0/24 [110/20] via 192.168.5.1, 00:26:48, Serial1/0" F- D5 f8 o# G
O E2 192.168.2.0/24 [110/20] via 192.168.5.1, 00:26:48, Serial1/0* Y' c$ h Q- }$ H5 y- a8 }$ W
O 192.168.3.0/24 [110/65] via 192.168.4.1, 00:33:54, FastEthernet0/0
. k8 \) @% S0 M5 D4 V, M7 f6 }9 k9 f- \1 e, W
求高手解答下我的疑问.... |
|