D-Link DSR-250N, User Manual

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Unified Services Router
User Manual
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IPv6 Prefix Length: This value indicates the number contiguous, higher
order bits of the IPv6 address that define up the network portion of the
address. Typically this is 64.

Prefix Lifetime: This defines the duration (in seconds) that the requesting
node is allowed to use the advertised prefix. It is analogous to DHCP lease
time in an IPv4 network.
Fig ur e 4: IP v6 Adver tisem e nt P ref ix sett i ngs
2.2 VLAN Configuration
The router supports virtual network isolation on the LAN with the use of VLANs.
LAN devices can be configured to communicate in a subnetwork defined by VLAN
identifiers. LAN ports can be assigned unique VLAN IDs so that traffic to and from
that physical port can be isolated from the general LAN. VLAN filtering is
particularly useful to limit broadcast packets of a device in a large network
VLAN support is disabled by default in the router. In the VLAN Configuration page,
enable VLAN support on the router and then proceed to the next section to define the
virtual network.
Setup > VLAN Settings > Available VLAN
The Available VLAN page shows a list of configured VLANs by name and VLAN ID.
A VLAN membership can be created by clicking the Add button below the List of
Available VLANs.
A VLAN membership entry consists of a VLAN identifier and the numerical VLAN
ID which is assigned to the VLAN membership . The VLAN ID value can be an y
number from 2 to 4091. VLAN ID 1 is reserved for the default VLAN, which is used
for untagged frames received on the interface. By enabling Inter VLAN Routing, you