Paradyne Hotwire 6342 - Manual (Page 26)

3. Configuring the DSL Router
3-4 May 2001 6371-A2-GB20-20
IP Routing
Hotwire DSL Routers use destination-based routing for downstream traffic. An IP
Routing Table is maintained to specify how IP datagrams are forwarded
downstream. The DSL Router is capable of supporting static routes configured by
the user. This table can be viewed by both Operator and Administrator access
levels.
The DSL router uses source-based forwarding for upstream traffic to ensure that
packets are forwarded to the upstream router specified for the configured service
domain.
Refer to Chapter 4, DSL Router Configuration Examples , for further details.
Network Considerations
The routers can be configured to function in a variety of network environments.
The following sections provide descriptions of some of the router’s features:
T Address Resolution Protocol (ARP) on page 3-5
T Proxy ARP on page 3-5
T Network Address Translation (NAT) on page 3-6
— Basic NAT
— Network Address Port Translation (NAPT/PAT)
— IP Options Processing
— Simultaneous Basic NAT and NAPT
T Dynamic Host Configuration Protocol (DHCP) Server on page 3-8
T DHCP Relay Agent on page 3-9
T Security on page 3-10
— IP Protocol Type Filtering
— Ethernet Type Filtering
— Land Bug/Smurf Attack Prevention
T Routed vs. Bridged PDUs on page 3-12