Enable IPv6 support on Catalyst Switches (3750)

Switch1>enable
Switch1#config t
Switch1(config)#sdm prefer dual-ipv4-and-ipv6 default
Switch1(config)#end
Switch1#reload

You should reload the device in order for changes to take effects.

you can check ipv6 support by using "show sdm  prefer" command.

After this you can configure ipv6 addresses and ACLs features on Catalyst 3750 series switches.
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How to Enable IPv6 on Juniper ScreenOS devices.

Use the command below;

set envar ipv6=yes

After executing command you should reset the device.

After reloading of device has been completed,

You can check ipv6 support by using "get envar" command.
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Assigning static IPv6 addresses on Windows XP

You should first install IPv6 protocol support by using

"netsh interface ipv6 install"    command.

You can not assign ipv6 address on Windows XP by using graphical interface. You should use netsh command.

Ex.

netsh interface ipv6 set address “Local Area Connection” 2001:db8:2:1::1

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IPv6 DNS and Default Gateway Settings for DHCPv6 on Windows Server 2008R2

for DNS settings, you can use "DNS Recursive Name Server IPv6 Address List" option in Server or Scope options on Wnidows DHCP server management console.

Windows DHCPv6 server does not have option for setting Default Gateway. Instead you can use logon script by using the command below; does not include the words in brackets.

netsh interface ipv6 add dnsserver "Local Area Connection"(Interface Name) 2001:db8::99:4acd::8(Gateway IPv6 Address)
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