Bez zbędnych słów, pokauje topologie:
Komunikacja zachodzi pomiędzy R5 do sieci "2001:db81234::"
Komunikacja zachodzi pomiędzy R5 do sieci "2001:db812AB::"
Brak w tablicy routingu R5 sieci "1234".
Sieć "12AB" jest za siecią "1234" i tam też dochodzi pakiet.
Jednak sieć "12AB" jest w tablicy routingu jak widać poniżej.
Pytanie brzmi "dlaczego pomimo braku sieci "1234", pakiet dostaje się do tej sieci i sieci za nią.
Kod: Zaznacz cały
R5#show ipv6 route
IPv6 Routing Table - 7 entries
D 2001:DB8:ABCD::/64 [90/5376]
via FE80::7, GigabitEthernet0/0
D 2001:DB8:ABCD:15::/64 [90/5632]
via FE80::7, GigabitEthernet0/0
C 2001:DB8:ABCD:22::/64 [0/0]
via GigabitEthernet0/0, directly connected
L 2001:DB8:ABCD:22::1/128 [0/0]
via GigabitEthernet0/0, receive
D 2001:DB8:ABCD:15A::/64 [90/8192]
via FE80::7, GigabitEthernet0/0
EX 2001:DB8:ABCD:12AB::/64 [170/2560002816]
via FE80::9, GigabitEthernet0/0
L FF00::/8 [0/0]
via Null0, receive
Kod: Zaznacz cały
R5#ping 2001:db8:abcd:1234::1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2001:db8:abcd:1234::1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 0/0/1 ms
R5#ping 2001:db8:abcd:1234::2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2001:db8:abcd:1234::2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 0/0/1 ms
R5#ping 2001:db8:abcd:12AB::1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2001:db8:abcd:12AB::1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 0/0/0 ms
R5#ping 2001:db8:abcd:12AB::10
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2001:db8:abcd:12AB::10, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 0/0/1 ms
Redystrybucja na R6(ona łączy te dwa protokoły):
Kod: Zaznacz cały
R6#show run
Building configuration...
[...]
interface GigabitEthernet0/0
no ip address
duplex auto
speed auto
ipv6 address FE80::9 link-local
ipv6 address 2001:DB8:ABCD:22::3/64
ipv6 eigrp 1
!
interface GigabitEthernet0/1
no ip address
duplex auto
speed auto
ipv6 address FE80::10 link-local
ipv6 address 2001:DB8:ABCD:1234::1/64
ipv6 rip RIPng_EIGRP enable
[...]
ipv6 router eigrp 1
eigrp router-id 6.6.6.6
no shutdown
redistribute rip RIPng_EIGRP metric 1 1 1 1 1
!
ipv6 router rip RIPng_EIGRP
redistribute eigrp 1 metric 9
[...]
Kod: Zaznacz cały
R6(config)#ipv6 router eigrp 1
R6(config-rtr)#redistribute connected metric 1 1 1 1 1
Kod: Zaznacz cały
R5#show ipv6 route
IPv6 Routing Table - 8 entries
[...]
D 2001:DB8:ABCD::/64 [90/5376]
via FE80::7, GigabitEthernet0/0
D 2001:DB8:ABCD:15::/64 [90/5632]
via FE80::7, GigabitEthernet0/0
C 2001:DB8:ABCD:22::/64 [0/0]
via GigabitEthernet0/0, directly connected
L 2001:DB8:ABCD:22::1/128 [0/0]
via GigabitEthernet0/0, receive
D 2001:DB8:ABCD:15A::/64 [90/8192]
via FE80::7, GigabitEthernet0/0
EX 2001:DB8:ABCD:1234::/64 [170/2560000512]
via FE80::9, GigabitEthernet0/0
EX 2001:DB8:ABCD:12AB::/64 [170/2560002816]
via FE80::9, GigabitEthernet0/0
L FF00::/8 [0/0]
via Null0, receive
Pozdrawiam