Configuring The Ipv6 Lan - Cisco Small Business Pro SA 520W Administration Manual

Networking
Configuring IPv6 Addressing
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Cisco SA 500 Series Security Appliances Administration Guide
Next steps:
To configure the LAN, click IPv6 > IPv6 LAN Config. For more information, see
Configuring the IPv6 LAN, page

Configuring the IPv6 LAN

In IPv6 mode, the LAN DHCP server is enabled by default (similar to IPv4 mode).
The DHCPv6 server will serve IPv6 addresses from configured address pools
with the IPv6 Prefix Length assigned to the LAN. For more information, see
LAN Address Pools, page
Click Networking on the menu bar, and then click IPv6 > IPv6 LAN Config in the
navigation tree.
The IPv6 LAN Configuration page appears.
In the LAN TCP/IP Settings section, enter the following information:
• IPv6 Address: Enter the IPv6 address. The default IPv6 address for the
gateway is fec0::1. You can change this 128-bit IPv6 address based on your
network requirements.
If you change the IP address and click Apply, then the browser
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connection is lost. Wait a few seconds to allow your administration computer
to obtain a new IP address from newly assigned IP address pool (or release
and renew if connected via DHCP). Then enter the new IP address of the
security appliance in the Address bar of the browser, and log in again.
• IPv6 Prefix Length: Enter the number of characters in the IPv6 prefix.
The IPv6 network (subnet) is identified by the prefix, which consists of the
initial bits of the address. The default prefix length is 64 bits. All hosts in the
network have the identical initial bits for the IPv6 address. The number of
common initial bits in the addresses is set by the prefix length field.
In the DHCPv6 area, enter the following information:
• DHCP Status: If you do not want the security appliance to act as a DHCP
server, click Disable DHCPv6 Server (the default setting). If you want the
security appliance to act as a DHCP server that dynamically assigns IP
addresses to all connected devices, click Enable DHCPv6 Server, and then
complete all fields that are highlighted with white backgrounds.
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IPv6
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