Problem with IPV6?

Unanswered Question
Jun 15th, 2010
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Dear All


My customer is requesting to check the IPV6 in the router..So i assigned the IP  for Laptop as 2001:0DB8:2222:1017::73 and Gateway will be 2001:DB8:2222:1018::73.From the Laptop, i can able to ping the Gateway.
But i cant able to ping the Laptop ip from Router.Simillarly, i cant able to take telnet of router if i am in ipv6.What to do?


Tks&Rgds
Senthil

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Giuseppe Larosa Tue, 06/15/2010 - 04:39
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Hello Senthil,

post your configuration


be also aware that on a LAN segment IPv6 is usually deployed using EUI-64 addresses



see

http://www.cisco.com/en/US/docs/ios/ipv6/configuration/guide/ip6-addrg_bsc_con_ps6441_TSD_Products_Configuration_Guide_Chapter.html


Also be aware that likely a firewall is running on the PC and this could explain what you see


Hope to help

Giuseppe

Senthil Rajendra Tue, 06/15/2010 - 05:56
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Dear Giuseppe,


  In router end, i have configured like this,

Router#sh run int gi4/7

Building configuration...


Current configuration : 104 bytes
!
interface GigabitEthernet4/7
no ip address
ipv6 address 2001:DB8:2222:1018::73/64
ipv6 enable
end


and i gave the laptop ip as 2001:DB8:2222:1018::73..Now i can able to ping router end ip but not able to ping laptop ip..what to do?


also i gave ipv6 unicast-routing command globally..


Thanks for ur reply


Senthil

Giuseppe Larosa Tue, 06/15/2010 - 08:00
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Hello Senthil,

it  is the same as with IPv4: if a firewall is running on the PC you can typically ping from PC to router but you cannot do the opposite so I would look for firewall service on the PC


Hope to help

Giuseppe

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