Extrait de l'internet du campus - 1999


schema

Tables de routage

Pour chaque système est donné le résultat de l'exécution des commandes ifconfig interface et netstat -rn, ainsi que l'exécution de traceroute pour afficher les chemins vers les autres systèmes.

aller à  schéma   sancy    sp    custsv    ucfgm2    ucfma 

sancy

# ifconfig le0
le0: flags=863<UP,BROADCAST,NOTRAILERS,RUNNING,MULTICAST> mtu 1500
        inet 194.214.132.189 netmask ffffff00 broadcast 194.214.132.255

# netstat -rn

Routing Table:
  Destination           Gateway           Flags  Ref   Use   Interface
-------------------- -------------------- ----- ----- ------ ---------
127.0.0.1            127.0.0.1             UH       0    290  lo0
194.214.132.0        194.214.132.189       U        3  13957  le0
224.0.0.0            194.214.132.189       U        3      0  le0
default              194.214.132.254       UG       0  32510  

# traceroute -n sp
 1  192.54.142.200  3 ms  2 ms  2 ms
 2  192.54.142.227  3 ms  3 ms  3 ms
 3  193.55.95.1  3 ms  2 ms  2 ms

# traceroute -n custsv
 1  192.54.142.200  3 ms  2 ms  2 ms
 2  193.54.51.1  2 ms  2 ms  3 ms

# traceroute -n 193.54.51.241 (ucfgm2)
1  192.54.142.200  3 ms  2 ms  8 ms
 2  193.54.49.14  39 ms *  3 ms

# traceroute -n 193.54.49.14 (ucfgm2)
 1  192.54.142.200  3 ms  2 ms  2 ms
 2  193.54.49.14  3 ms *  3 ms

# traceroute -n ucfma
 1  192.54.142.200  3 ms  2 ms  3 ms
 2  193.54.49.1  3 ms  3 ms  3 ms
	

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sp

# ifconfig en0 
en0: flags=8080863<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST>
        inet 193.55.95.1 netmask 0xffffff00 broadcast 193.55.95.255

# netstat -rn
Routing tables
Destination      Gateway            Flags     Refs     Use  Interface
Netmasks:
255.0.0                                      
255.255.255                                  

Route Tree for Protocol Family 2:
default          193.55.95.227      UG         50  2485191  en0
127              127.0.0.1          U           3   803714  lo0
193.55.95        193.55.95.1        U         521 177316395  en0

# traceroute -n sancy
 1  193.104.11.227  2 ms  2 ms  2 ms
 2  192.54.142.200  3 ms  2 ms  2 ms
 3  194.214.132.189  3 ms *  2 ms

# traceroute -n custsv
 1  193.104.11.227  3 ms  2 ms  2 ms
 2  192.54.142.200  2 ms  2 ms  2 ms
 3  193.54.51.1  3 ms  3 ms  3 ms

# traceroute -n 193.54.51.241 (ucfgm2)
 1  193.104.11.227  2 ms  2 ms  2 ms
 2  192.54.142.200  3 ms  3 ms  2 ms
 3  193.54.49.14  4 ms *  3 ms

# traceroute -n 193.54.49.14 (ucfgm2)
 1  193.104.11.227  2 ms  2 ms  2 ms
 2  192.54.142.200  3 ms  2 ms  2 ms
 3  193.54.49.14  3 ms *  3 ms

# traceroute -n ucfma
 1  193.104.11.227  2 ms  2 ms  2 ms
 2  192.54.142.200  4 ms  3 ms  3 ms
 3  193.54.49.1  4 ms  5 ms  4 ms
	

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custsv

# ifconfig ln0
ln0: flags=c63<UP,BROADCAST,NOTRAILERS,RUNNING,MULTICAST,SIMPLEX>
     inet 193.54.51.1 netmask ffffff00 broadcast 193.54.51.255 ipmtu 1500 

# netstat -rn
Routing tables
Destination      Gateway            Flags     Refs     Use  Interface
Netmasks:
Inet             255.255.255.0      

Route Tree for Protocol Family 2:
default          193.54.51.254      UG         14   931692  ln0
127.0.0.1        127.0.0.1          UH          1     3631  lo0
193.54.49        193.54.51.241      UG          1      858  ln0
193.54.51        193.54.51.1        U          56 24791637  ln0

# traceroute sancy
 1  193.54.49.126 (193.54.49.126)  3 ms  3 ms  2 ms
 2  194.214.132.189 (194.214.132.189)  3 ms *  3 ms

# traceroute sp
 1  193.54.49.126 (193.54.49.126)  4 ms  3 ms  3 ms
 2  192.54.142.227 (192.54.142.227)  4 ms  4 ms  4 ms
 3  193.55.95.1 (193.55.95.1)  7 ms  2 ms  2 ms

# traceroute -n 193.54.51.241 (ucfgm2)
 1  193.54.51.241  2 ms *  1 ms

# traceroute -n 193.54.49.14 (ucfgm2)
 1  193.54.49.126  3 ms  4 ms  3 ms
 2  193.54.49.14  7 ms *  4 ms
 
# traceroute -n ucfma
 1  193.54.49.126  3 ms  3 ms  2 ms
 2  193.54.49.1  4 ms  4 ms  3 ms
	

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ucfgm2

# ifconfig hme0
hme0: flags=863<UP,BROADCAST,NOTRAILERS,RUNNING,MULTICAST> mtu 1500
        inet 193.54.49.14 netmask ffffff00 broadcast 193.54.49.255

# ifconfig hme0:1
hme0:1: flags=863<UP,BROADCAST,NOTRAILERS,RUNNING,MULTICAST> mtu 1500
        inet 193.54.51.241 netmask ffffff00 broadcast 193.54.51.255

# netstat -rn

Routing Table:
  Destination           Gateway           Flags  Ref   Use   Interface
-------------------- -------------------- ----- ----- ------ ---------
127.0.0.1            127.0.0.1             UH       0   2616  lo0
193.54.49.0          193.54.49.14          U        4   3961  hme0
193.54.51.0          193.54.51.241         U        4   1553  hme0:1
224.0.0.0            193.54.49.14          U        4      0  hme0
default              193.54.49.126         UG       0  17920  

# traceroute -n sancy
 1  193.54.49.126  4 ms  3 ms  15 ms
 2  194.214.132.189  7 ms *  6 ms

# traceroute -n sp
 1  193.54.49.126  4 ms  4 ms  3 ms
 2  192.54.142.227  4 ms  15 ms  6 ms
 3  193.55.95.1  6 ms  5 ms  4 ms

# traceroute -n custsv
 1  193.54.51.1  2 ms  2 ms  2 ms

# traceroute -n ucfma
 1  193.54.49.1  2 ms  1 ms  1 ms
	

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ucfma

# ifconfig hme0
hme0: flags=63<UP,BROADCAST,NOTRAILERS,RUNNING>
        inet 193.54.49.1 netmask ffffff00 broadcast 193.54.49.0

# netstat -rn
Routing tables
Destination          Gateway              Flags    Refcnt Use        Interface
127.0.0.1            127.0.0.1            UH       4      28838      lo0
default              193.54.49.126        UG       15     3813321    hme0
193.54.49.0          193.54.49.1          U        91     17867806   hme0

# traceroute -n sancy
 1  193.54.49.126  4 ms  3 ms  4 ms
 2  194.214.132.189  4 ms *  4 ms

# traceroute -n sp
 1  193.54.49.126  5 ms  4 ms  5 ms
 2  192.54.142.227  4 ms  4 ms  4 ms
 3  193.55.95.1  5 ms  4 ms  4 ms

# traceroute -n custsv
 1  193.54.49.126  4 ms  4 ms  4 ms
 2  193.54.51.1  3 ms (ttl=63!)  3 ms (ttl=63!)  3 ms (ttl=63!)

# traceroute -n ucfgm2
 1  193.54.49.14  1 ms *  1 ms
	

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