Static ipv6 address from a /64

Hi all
I have a cisco 6500 that i configured a /64 on int1/39 that has a linux server connected to it and supressed RAs. On this server i assigned a static ip,
2001:x:77:4::2. i can ping to/from the server with no issues. However when doing a show ipv6 neighbors i still see the auto config ipv6 on fast1/39.
interface FastEthernet1/39
ip address x.x.x.33 255.255.255.240
ip flow ingress
speed 100
duplex full
ipv6 address 2001:x:77:4::1/64
ipv6 nd ra suppress
spanning-tree portfast edge
My question why is that attached server getting an auto config ipv6 address when i have the supress command under interface. Also is it correct to assign a /64 to an int/vlan and statically assign ips instead or should i move to a /56. I'm not really sure if what im doing is common or if it create issues.
TIA, Paul

Deepak, while i assigned a static ip to the server doing a show ipv6 neighbor shows this static ip and it also shows the auto config ip. Again based on my config above shouldnt it jsut show the static ip. Why is SLAAC in play here if i have
ipv6 nd ra suppress on the interface, will this setup cause issues.
sh ipv6 neighbors
IPv6 Address                              Age Link-layer Addr State Interface
2001:x:77:4::2                            1 0019.b9e6.5647 STALE Fa1/39
2001:x:77:4:219:B9FF:FEE6:x     49 0019.b9e6.5647 STALE Fa1/39
FE80::219:B9FF:FEE6:5647                    1 0019.b9e6.5647 STALE Fa1/39
note i can ping the static and auto config ip and the server lists both of them.

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Last edited by gunkaaa (2009-09-02 05:19:36)

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Hi Folks,
I am very new to IPv6 and having some question need you guys advices as we are planning to integrate IPv6 to our existing network environment.
RIR allocated 2300:1480::/32 to us, but they said the assignment windows is 2300:1480::/48.
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Sent from Cisco Technical Support iPhone App

Hi Sean,
Further clarification with APNIC, this is their reply....
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+++++
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+++++
Sent from Cisco Technical Support iPhone App

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EDIT:
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114 if ! ip route add default via "$GATEWAY" dev "$INTERFACE"; then
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Last edited by fukawi2 (2012-04-16 01:00:09)

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version 15.1
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number 1000
ephone-dn 2
number 2000
ephone-dn 3
number 7000
ephone 1
device-security-mode none
mac-address 0017.9406.FD55
type 7941
button 1:1
ephone 2
device-security-mode none
mac-address 0016.46F5.F08E
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ephone 3
device-security-mode none
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type 7941
button 1:3
line con 0
logging synchronous
line aux 0
line vty 0 4
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transport input all
scheduler allocate 20000 1000
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Duplicate posts.
Go here: https://supportforums.cisco.com/thread/2267863

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First, I am assuming that you are trying to administer your AirPort base station for a static IP address using the iOS version of the AirPort Utility ... correct?
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Select Edit
Select Internet Connection
Select Static
Enter the appropriate IP address information
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Sorry, it does not appear that direct input for DNS IP addresses is an available option with this version of the iOS AirPort Utility app. Not sure why this was not included.

Static ipv6 address from a /64

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