Configuring Ipv6 Lan Properties - Cisco RV 120W Administration Manual

Configuring Networking
Configuring the Local Area Network (LAN)
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Cisco RV 120W Administration Guide
- Starting and Ending IP Address—Enter the first and last of the
contiguous addresses in the IP address pool. Any new DHCP client
joining the LAN is assigned an IP address in this range. You can save part
of the range for PCs with fixed addresses. These addresses should be
in the same IP address subnet as the VLAN's IP address.
- Primary and Secondary DNS Server—DNS servers map Internet
domain names (for example, www.cisco.com) to IP addresses. Enter the
server IP addresses in these fields if you want to use different DNS
servers than are specified in your WAN settings.
- Lease time—Enter the duration (in hours) for which IP addresses are
leased to clients.
• DHCP Relay—Choose this if you are using a DHCP relay gateway. The relay
gateway transmits DHCP messages between multiple subnets. Enter the
address of the relay gateway in the Relay Gateway field.
• None—Use this to disable DHCP on the VLAN.
In the LAN Proxy section, to enable the VLAN to act as a proxy for all DNS requests
and communicate with the ISP's DNS servers, check the Enable box.
Click Save.

Configuring IPv6 LAN Properties

In IPv6 mode, the LAN DHCP server is enabled by default (similar to IPv4 mode).
The DHCPv6 server assigns IPv6 addresses from configured address pools with
the IPv6 Prefix Length assigned to the LAN.
To configure IPv6 LAN properties:
Choose Networking > LAN > IPv6 LAN Configuration.
Under LAN TCP/IP Setup, in the IPv6 address field, enter the IP address of the
Cisco RV 120W. The default IPv6 address for the gateway is fec0::1. You can
change this 128 bit IPv6 address based on your network requirements.
Enter the IPv6 prefix length. The IPv6 network (subnet) is identified by the initial
bits of the address called the prefix. By default, the prefix is 64 bits long. All hosts
in the network have the identical initial bits for their IPv6 address; the number of
common initial bits in the network's addresses is set by the prefix length field.
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