
如拓扑图,在这个环境下运行RIPV1,显然是存在问题的,因为V1不支持CIDR,但我看到书上说为了解决这个问题是给相关几个接口配上第二个地址,让他们成为连续网络,
" R5 ]+ m0 l' IBarney is configured with secondary IP addresses.! \/ u4 E$ J0 `* }( B8 {' e
interface e0. z. {7 K: G- l3 {
ip address 10.33.55.1 255.255.240.0 secondary
0 ?" z; N( p J' t5 _* eAndy is configured with secondary IP addresses, and a new network is added to RIP.
! T/ O; ]& `% S3 i9 Y3 Einterface e1
- z1 N( W* } G6 b ip address 10.33.55.2 255.255.240.0 secondary
% a5 ]6 C/ L. @% P+ {# ?, n( C* Linterface e2
+ s4 z6 I/ x, [$ F! M0 Q( Y ip address 10.33.75.1 255.255.240.0 secondary( w& d. S) a; T
router rip" N- Q- m( \- i" t, j
network 10.0.0.0
) S3 \# I+ E8 |2 ]* O H6 u: }5 TErnest_T is configured with secondary IP addresses.
6 f5 e5 q% }# c* ointerface e0/ u9 T# [8 y( A
ip address 10.33.75.2 255.255.240.0 secondary; @ L- n" L0 G- J! n' Q
0 G3 t7 Q: Z5 s这样配置上去之后,the output of 'show ip route '如下" k7 T0 K# L8 L( P
Ernest_T#show ip route! c/ s# j0 j6 |/ }" ~8 Y) A( b
10.0.0.0 255.255.240.0 is subnetted, 4 subnets! X5 s) d @6 Z: c1 ?# ~
C 10.33.32.0 is directly connected, Ethernet19 S, v- z4 y) i: e2 G/ {7 B
R 10.33.48.0 [120/1] via 10.33.75.1, 00:00:05, Ethernet0
1 ~* B* u' a8 SR 10.33.0.0 [120/2] via 10.33.75.1, 00:00:05, Ethernet0* g/ A4 j3 @. u7 f% S
C 10.33.64.0 is directly connected, Ethernet0( x0 K/ U. f& e
R 192.168.83.0 [120/1] via 192.168.12.195, 00:00:05, Ethernet0
4 q: M3 K9 X- d% v% m" N( U; U2 w [120/1] via 10.33.75.1, 00:00:05, Ethernet0* P1 b0 [% S% M& U
192.168.12.0 255.255.255.224 is subnetted, 2 subnets
: z1 D( E6 c C; fR 192.168.12.64 [120/1] via 192.168.12.195, 00:00:05, Ethernet0
% `) G) \+ R rC 192.168.12.192 is directly connected, Ethernet0
4 |( b8 p7 D/ w9 W# U- L2 g2 T: uR 192.168.200.0 [120/2] via 192.168.12.195, 00:00:05, Ethernet0
3 h- G7 d# p$ O! k5 V" n, P1 g$ m [120/2] via 10.33.75.1, 00:00:05, Ethernet06 ~6 M7 ]) |6 G
R 172.17.0.0 [120/1] via 192.168.12.195, 00:00:06, Ethernet0
- n9 u c O9 a$ _ [120/1] via 10.33.75.1, 00:00:06, Ethernet0. c3 I9 J: l" a2 ?
Ernest_T#3 _. `) O3 |. L, |: v
这个我无法理解,为什么连续网络就的情况下就能有这样的路由,我查了半天资料都只找到连续网络四个字,其他再无进展,希望得到各位高人的解答! |
|