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-   -   Double IPv6 addresses on one machine! Help (https://www.linuxquestions.org/questions/linux-newbie-8/double-ipv6-addresses-on-one-machine-help-903937/)

BernardLinux 09-19-2011 10:23 PM

Double IPv6 addresses on one machine! Help
 
im running centos 5.5 and i got two ipv6 addresses.

inet6 addr: fe80::20c:xxxx:xxxx:xxxx/64 Scope:Link
inet6 addr: fd00::xxxx:xxxx/64 Scope:Global

the fe80 addrress is the unique address formed by the machine itself using stateless autoconfiguration.

the fd00 address was the address config'd by me manually because i want the apache to listen to this address.

both addresses are shown in the ifconfig, but when i open my windows and run cmd to test ping, i only can ping the fe80 address.

why it cannot ping fd00 address? i do not need fe80 address bacause of the apache issue. i want the unique ipv6 address of my machine to be the fd00 address. Help me.

corp769 09-19-2011 10:39 PM

Hello,

Do you know what devices the IP addresses are allocated to? If not, can you please post the output of the following command, using code tags? Thanks!
Code:

ifconfig -a
Cheers,

Josh

BernardLinux 09-19-2011 10:47 PM

Code:

inet6 addr: fe80::20c:xxxx:xxxx:xxxx/64 Scope:Link
inet6 addr: fd00::xxxx:xxxx/64 Scope:Global


BernardLinux 09-19-2011 10:51 PM

Well that is what looks like to b my output for
Code:

ifconfig -a

corp769 09-19-2011 11:00 PM

All this means is that the scope for that interface is both local, and global. Have you tried pinging the global scope from outside of your LAN?

BernardLinux 09-19-2011 11:04 PM

Wow i never did that actually. But all i know is that windows 7 can only ping to fe80 address, is that correct? im only using Windows seven when i am outside my company's LAN.

need your help to ping my global address.

Code:

fd00::ac10:2856
Tell me what is the result of that ping. Thanks!

corp769 09-19-2011 11:12 PM

Honestly, I can't man, sorry; I'm at work.

BernardLinux 09-19-2011 11:13 PM

u mean the address in unreachable?


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