4dsl router configuration examples, 5monitoring the dsl router – Paradyne 6342 User Manual
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Contents
ii
November
2003
6300-A2-GB20-10
Service Domain IP Address Assignments. . . . . . . . . . . . . . . . . . . . . .
Numbered DSL or Ethernet Interface . . . . . . . . . . . . . . . . . . . . . .
Unnumbered DSL Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IP Options Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Network Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Address Resolution Protocol (ARP) . . . . . . . . . . . . . . . . . . . . . . . . . . .
Network Address Translation (NAT) . . . . . . . . . . . . . . . . . . . . . . . . . .
Basic NAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Network Address Port Translation (NAPT/PAT) . . . . . . . . . . . . . .
Simultaneous Basic NAT and NAPT . . . . . . . . . . . . . . . . . . . . . . .
Applications Supported by NAT. . . . . . . . . . . . . . . . . . . . . . . . . . .
Dynamic Host Configuration Protocol (DHCP) Server . . . . . . . . . . . . .
DHCP Relay Agent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IP Protocol Type Filtering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ethernet Type Filtering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Land Bug/Smurf Attack Prevention . . . . . . . . . . . . . . . . . . . . . . . .
Routed vs. Bridged PDUs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PPPoE Client Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DSL Router Configuration Examples
Configuration Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Basic Bridging Configuration Example . . . . . . . . . . . . . . . . . . . . .
Basic Routing Configuration Example . . . . . . . . . . . . . . . . . . . . . .
Basic NAT Configuration Example . . . . . . . . . . . . . . . . . . . . . . . .
NAPT Configuration Example . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Simultaneous Basic NAT and NAPT Configuration Example . . . .
Unnumbered DSL Interface with Proxy ARP Configuration Example
DHCP Relay with Proxy ARP Configuration Example . . . . . . . . . .
DHCP Server with Basic NAT Configuration Example . . . . . . . . .
PPPoE Client with NAPT and DHCP Server Configuration Example
Downstream Router Configuration Example . . . . . . . . . . . . . . . . .
IP Passthrough Configuration Example. . . . . . . . . . . . . . . . . . . . .
Monitoring the Router. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .