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3 / % netstat -rn Routing tables Destination Gateway Flags Refcnt Use Interface UH lo U le0

4 1 9 6 / % ping -s almond PING almond.nuts.com: 56 data bytes 64 bytes from almond.nuts.com ( ): icmp_seq=0. time=11. ms 64 bytes from almond.nuts.com ( ): icmp_seq=1. time=10. ms ^C ----almond.nuts.com PING Statistics packets transmitted, 2 packets received, 0% packet loss round-trip (ms) min/avg/max = 10/10/11 % ping sendto: Network is unreachable % ping sendto: Network is unreachable

5 / # route add add net : gateway almond

6 1 9 8 / # route -n add default add net default: gateway

7 / % netstat -rn Routing tables Destination Gateway Flags Refcnt Use Interface UH lo0 default UG 0 0 le U le0

8 2 0 0 / % ping PING : 56 data bytes 64 bytes from ruby.ora.com ( ): icmp_seq=0. time=110. ms 64 bytes from ruby.ora.com ( ): icmp_seq=1. time=100. ms ^C PING Statistics packets transmitted, 2 packets received, 0% packet loss round-trip (ms) min/avg/max = 100/105/110 % ping PING : 56 data bytes ICMP Host redirect from gateway almond.nuts.com ( ) to pecan.nuts.com ( ) for filbert.nuts.com ( ) 64 bytes from filbert.nuts.com ( ): icmp_seq=1. time=30. ms ^C PING Statistics packets transmitted, 1 packets received, 0% packet loss round-trip (ms) min/avg/max = 30/30/30 % netstat -nr Routing tables Destination Gateway Flags Refcnt Use Interface UH lo U le UGHD le0 default UG le0

9 / # route -n add add net : gateway # route -n add add net : gateway # route -n add add net : gateway # route -n add add net : gateway % netstat -rn Routing tables Destination Gateway Flags Refcnt Use Interface UH lo U le UGHD le0 default UG le UG 0 0 le UG 0 0 le UG 0 0 le UG 0 0 le0

10 2 0 2 / /sbin/route add -net /sbin/route add -net netmask /sbin/route add -net dev lo0

11 / route -n add default > /dev/console route -n add > /dev/console route -n add > /dev/console route -n add > /dev/console route -n add > /dev/console

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14 2 0 6 / # routed net gateway metric 1 active n e t n e t h o s t d e f a u l t g a t e w a y

15 / m e t r i c p a s s i v e a c t i v e p a s s i v e a c t i v e a c t i v e p a s s i v e a c t i c v e

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36 2 2 8 / # # enable rip, don't broadcast updates, # listen for RIP-2 updates on the multicast address, # check that the updates are authentic. # rip yes { nobroadcast ; interface version 2 multicast authentication simple "REAL^stuff" ; } ; n o b r o a d c a s t i n t e r f a c e v e r s i o n m u l t i c a s t a u t h e n t i c a t i o n i n t e r f a c e n o b r o a d c a s t n o b r o a d a s t b r o a d c a s t n o b r o a d c a s t i n t e r f a c e R E A L ^ s t u f f s i m p l e m d 5 s i m p l e

37 / # Don't time-out subnet 9 interfaces { interface passive ; } ; # Define the OSPF router id routerid ; # Enable RIP-2; announce OSPF routes to # subnet 9 with a cost of 5. rip yes { broadcast ; defaultmetric 5 ; interface version 2 multicast authentication simple "REAL^stuff" ; } ; # Enable OSPF; subnet 1 is the backbone area; # use password authentication. ospf yes { backbone { authtype simple ; interface { priority 5 ; authkey "It'sREAL" ; } ; } ; } ;

38 2 3 0 / i n t e r f a c e p a s s i v e interface passive r o u t e r i d defaultmetric d e f a u l t m e t r i c d e f a u l t m e t r i c d e f a u l t m e t r i c ospf yes b a c k b o n e ospf yes b a c k b o n e

39 / authtype simple; s i m p l e n o n e n o n e s i m p l e i n t e r f a c e authkey "It'sREAL" ; priority 5 ; p r i o r i t y # Defines our AS number for BGP autonomoussystem 249; # Defines the OSPF router id routerid ; # Disable RIP rip no; # Enable BGP bgp yes { preference 50 ; group type external peeras 164 { peer ; peer ; }; }; # Enable OSPF; subnet 1 is the backbone area; # use password authentication. ospf yes { backbone { authtype simple ; interface { priority 10 ; authkey "It'sREAL" ;

40 2 3 2 / } ; } ; }; # Announce routes learned from OSPF and route # to directly connected network via BGP to AS 164 export proto bgp as 164 { proto direct ; proto ospf ; }; # Announce routes learned via BGP from # AS number 164 to our OSPF area. export proto ospfase type 2 { proto bgp as 164 { all ; }; }; a u t o n o m o u s s y s t e m routerid rip no ; bgp yes preference 50 ;

41 / g r o u p type external p e e r allow ; bgp yes { preference 50 ; group type external peeras 164 { allow ; }; }; proto bgp as 164 proto direct proto ospf

42 2 3 4 / o s p f a s e type 2 type 2 type 1 proto bgp as 164 a l l o p t i o n s gendefault ; # Announce a default route when peering # with a BGP neighbor. export proto ospfase type 2 { proto default ; };

43 / % gated -c -f test.conf trace.test # cp test.conf /etc/gated.conf+ # gdc checknew configuration file /etc/gated.conf+ checks out okay # gdc newconf # gdc restart gated not currently running gdc: /etc/gated was started

44 2 3 6 / if [ f /usr/sbin/gated -a -f /etc/gated.conf ]; then /usr/sbin/gated; echo -n 'gated' > /dev/console fi

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Simulator By SunLingxi 2003

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