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DI-206 ISDN Remote Router
38
Management
Multicast Protocol – If this parameter is set to None, the router
will only use the Internet Group Management Protocol (IGMP), if IP
Multicasting is enabled above. This effectively limits multicast data to
the local network. If set to DVMRP (Distance Vector Multicast
Routing Protocol), the router will also use this protocol to share its
multicast information with other routers (much like RIP), in effect,
enabling multicasting on the WAN (ISDN) port.
IGMP Version – Configures the router to use either IGMP version
1 or 2. A major difference between the two is that version 2 allows
the router to communicate multicast information with other routers
(via the ISDN port), even if the other router isn't using DVMRP.
DHCP Client (LAN) – This feature allows the LAN port to be
assigned an IP address from a DHCP server other than the one in
the router. This feature should be enabled only for special
configurations (such as the presence of a cable modem on the LAN)
where you wish the router to work with a device on the network that
must act as a DHCP server. Otherwise, this feature should be kept
disabled.
RIP Spoofing (ISDN) – This feature should only be enabled if you
have more than one router on your network and this router is
providing your WAN connection. In this case, if the WAN
connection is dropped due to inactivity and this feature is enabled,
RIP packets will be sent to the other routers on the network telling
them that data can still be sent to the WAN via this router.
Otherwise, the other routers will learn that the WAN link has been
disconnected and will no longer forward packets destined for the
WAN to this router, causing the packets to be dropped before
Bandwidth on Demand has a chance to reestablish the WAN
connection.
Configuration and
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