R1#ping .33 y3 ?! @, e h
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Type escape sequence to abort.
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Sending 5, 100-byte ICMP Echos to .3, timeout is 2 seconds:0 l8 v+ W+ r% m- c1 @
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!!!!!, K- k; u }7 }0 O" G
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Success rate is 100 percent (5/5), round-trip min/avg/max = ms
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* i) i" F f& @$ K R1#show ip route
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. _. P- O7 @+ b, S; l Default gateway is 112.1.1.2+ t3 T. n: M& d0 K- V
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Host Gateway Last Use Total Uses Interface
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.3 112.1.1.3 0:00 8 Ethernet0
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这个重定向是基于主机地址的,即针对每一个主机地址,都会单独做重定向,而不是一个网段,因为在ping的ICMP报文里,目的地址并没有携带掩码信息,让R1 ping R3的环回口德各个地址之后:
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R1#show ip route
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Default gateway is 112.1.1.22 P" ^: f+ B& B K: b6 q
" W% x/ _" j. z. H Host Gateway Last Use Total Uses Interface# s, H8 D! t: _% U/ ?0 I! s
$ m! g. q9 O! f# T* Q- t9 P }& t .3 112.1.1.3 0:02 8 Ethernet0: ^* R3 i8 w+ y V# X5 d+ h/ i
! g1 H3 S9 X; X$ ~# U& s6 f; K .2 112.1.1.3 0:00 8 Ethernet0/ C5 M J6 Z- K( e
/ H. |8 a2 c0 C2 ]7 ^0 z# K3 d4 } .1 112.1.1.3 0:00 8 Ethernet0" D' c3 [/ \4 ^# S9 a4 C# @
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.4 112.1.1.3 0:00 8 Ethernet0 |