IPv6 or a MAC address
When I try pinging my servers it gives me this:
Pinging servername [2002:b01c:1824::b01c:1824
> bytes of
> ata:
> Reply from 2002:b01c:1824::b01c:1824:
> 2002:b01c:1824::b01c:1824:
> 2002:b01c:1824::b01c:1824:
Is this a MAC or a IPv6 address? Windows Server 2008 prefers IPv6 over IPv4 if available?
I disabled the IPv6 on all the servers and still see same replies. Do I need to remove those records from DNS?
Please advice.
Thanks.
Pinging servername [2002:b01c:1824::b01c:1824
> bytes of
> ata:
> Reply from 2002:b01c:1824::b01c:1824:
> 2002:b01c:1824::b01c:1824:
> 2002:b01c:1824::b01c:1824:
Is this a MAC or a IPv6 address? Windows Server 2008 prefers IPv6 over IPv4 if available?
I disabled the IPv6 on all the servers and still see same replies. Do I need to remove those records from DNS?
Please advice.
Thanks.
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ASKER
So looks like a Mac address though.
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BTW, if you want to see an IPV4 response you should tell ping that is what you want.
eg
ping -4 servername
eg
ping -4 servername
ASKER
Very nice thank you! I assume same for ip6 -6 ?
C:\Users\Dave>ping /?
Usage: ping [-t] [-a] [-n count] [-l size] [-f] [-i TTL] [-v TOS]
[-r count] [-s count] [[-j host-list] | [-k host-list]]
[-w timeout] [-R] [-S srcaddr] [-4] [-6] target_name
Options:
-t Ping the specified host until stopped.
To see statistics and continue - type Control-Break;
To stop - type Control-C.
-a Resolve addresses to hostnames.
-n count Number of echo requests to send.
-l size Send buffer size.
-f Set Don't Fragment flag in packet (IPv4-only).
-i TTL Time To Live.
-v TOS Type Of Service (IPv4-only. This setting has been deprecated
and has no effect on the type of service field in the IP Header).
-r count Record route for count hops (IPv4-only).
-s count Timestamp for count hops (IPv4-only).
-j host-list Loose source route along host-list (IPv4-only).
-k host-list Strict source route along host-list (IPv4-only).
-w timeout Timeout in milliseconds to wait for each reply.
-R Use routing header to test reverse route also (IPv6-only).
-S srcaddr Source address to use.
-4 Force using IPv4.
-6 Force using IPv6.
C:\Users\Dave>
Usage: ping [-t] [-a] [-n count] [-l size] [-f] [-i TTL] [-v TOS]
[-r count] [-s count] [[-j host-list] | [-k host-list]]
[-w timeout] [-R] [-S srcaddr] [-4] [-6] target_name
Options:
-t Ping the specified host until stopped.
To see statistics and continue - type Control-Break;
To stop - type Control-C.
-a Resolve addresses to hostnames.
-n count Number of echo requests to send.
-l size Send buffer size.
-f Set Don't Fragment flag in packet (IPv4-only).
-i TTL Time To Live.
-v TOS Type Of Service (IPv4-only. This setting has been deprecated
and has no effect on the type of service field in the IP Header).
-r count Record route for count hops (IPv4-only).
-s count Timestamp for count hops (IPv4-only).
-j host-list Loose source route along host-list (IPv4-only).
-k host-list Strict source route along host-list (IPv4-only).
-w timeout Timeout in milliseconds to wait for each reply.
-R Use routing header to test reverse route also (IPv6-only).
-S srcaddr Source address to use.
-4 Force using IPv4.
-6 Force using IPv6.
C:\Users\Dave>
ASKER
I did remove IPv6 in NIC settings but didn't help. Still see these replies.