IP Routing, IP Options Processing | Paradyne 6341, 6301, 6342, 6371

3. Configuring the DSL Router

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.

IP Options Processing

The DSL router handles and processes IP datagrams with options set as described below. No command is available to set IP options.

The router does not process (and drops) any IP datagrams with the following IP options:

Loose source and record route (type 131)

Strict source and record route (type 133)

Security (type 130)

Stream ID (type 136)

The router does process IP datagrams with the following IP options, but does not provide its IP address or timestamp information in the response message:

Record route (type 7)

Timestamp (type 68)

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November 2003

6300-A2-GB20-10

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Paradyne 6341, 6301, 6342, 6371, 6351, 6302 manual IP Routing, IP Options Processing

Contents

Hotwire DSL Routers Copyright 2003 Paradyne Corporation All rights reserved Contents DSL Router Configuration Examples Monitoring the DSL Router Diagnostics and Troubleshooting Command Line Interface Configuration Defaults and Command Line Shortcuts Traps and MIBsDSL Router Terminal Emulation Firmware Upgrade Index Contents November About This Guide Document Purpose and Intended Audience New Features for this Release Document Summary Section Description Product-Related Documents Document Number Document Title Document Conventions Convention Translation Xii Introduction to Hotwire DSL Routers What is a Hotwire DSL Router?DSL Technologies Supported Typical DSL Router System Central Office CO Customer Premises CPOptional Hotwire DSL Router Features IP routing with Service Subscriber Management from an NMS using Snmp Accessing the DSL Router Access Control to the DSL RouterLevels of Access Console disable save Exit Local Console AccessChanging Access Session Levels Admin enable Setting Up the New User’s Login Invalid Characters Value Ascii Hex Translation Local console disabled by conflict message Telnet AccessPassword admin new password save Telnet enable save Telnet login enable save Determining the Current Access LevelDetermining the Available Commands Help Changing the System Identity Using the List CommandList config List Manually Logging Out If accessing the DSL router ThenExiting from the System Exit When autologout is Automatically Logging Out Configuring the DSL Router DSL Router Configuration OverviewDSL Router’s Interfaces Service Domain IP Address Assignments Interface Identifiers Numbered DSL or Ethernet Interface Unnumbered DSL InterfaceSimplified Network Topology IP Routing IP Options Processing Address Resolution Protocol ARP Network Considerations Proxy ARP Network Address Translation NAT Basic NATNetwork Address Port Translation NAPT/PAT Simultaneous Basic NAT and Napt Applications Supported by NAT Dynamic Host Configuration Protocol Dhcp Server Dhcp Relay Agent Security IP Protocol Type Filtering Ethernet Type Filtering Land Bug/Smurf Attack Prevention If Using This Network Model Then These DSL Cards Can Be Used Routed vs. Bridged PDUs Routed Network Model Standard mode PPPoE Client Support When the negotiated IP Address is assigned to Then Configuring the DSL Router DSL Router Configuration Examples Configuration Examples Basic Bridging Configuration Example IP, IPX Basic Routing Configuration Example Basic NAT Configuration Example NAT Mapping Public IP Addresses Private IP Addresses Commands and syntax for this example are Napt Configuration Example Napt Mapping Public IP Addresses Private IP Addresses DSL Router Configuration Examples Simultaneous Basic NAT and Napt Configuration Example DSL Router Configuration Examples Core Router 155.1.3.1 Console Port Connection 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 Customer Premises CP DSL Router Configuration Examples November Monitoring the DSL Router Monitoring the Router LED Status Front Panel LEDsCondition Status Interface Status Performance StatisticsClearing Statistics Reasons for Discarded Data Reasons for Ethernet Interface eth1 Discarded Frames Reasons for DSL Interface dsl1 Discarded Frames Reasons for IP Processing Discarded Packets Reasons for Bridge Discarded Frames Reasons for PPPoE Discarded Frames Reasons for PPP Discarded Frames Alarms Inquiry Diagnostics and TroubleshootingDiagnostics and Troubleshooting Overview Device Restart System Log Syslog Commands 1Syslog enable disable Show syslog Syslog port port-number Syslog Commands 2Syslog ip ip-addr mgt srvc Syslog level level Syslog Events Syslog Messages Level Description Event Syslog Message Display Ping CommandPing Ping dest-ipmgt -x source-ip-l bytes -w time -ieth1 dsl1 Ping reply from x.x.x.x Request Timed OUT Ping Test ResultsPing reply from x.x.x.x bytes of data=nn Ping reply from x.x.x.x Destination Unreachable TraceRoute Command TraceRouteExample traceroute 135.300.41.8 -w 60 -i eth1 Over a max. of nn Hops, with nnn Byte packet TraceRoute Test ResultsTracing route to X.x Command Line Interface Command Line Interface Capability Command Recall Navigating the Router’s CLISyntax Conventions CLI Commands Configure terminal factory Configuration CommandsTable A-1. Configuration Commands Save Table A-2. RFP 1483 Encapsulation Command RFC 1483 Encapsulation CommandEthernet Frame Format Command Table A-3. Ethernet Frame Format Command Interface and Service Domain IP Address Commands Table A-4. Interface and Service Domain IP Address CommandsExamples ifn address dsl1 135.300.41.8 Ifn dsl1 primary IP Routing Commands Table A-5. IP Routing Commands 1 Table A-6. Bridge Commands 1 Bridge CommandsTable A-5. IP Routing Commands 2 Bridge enable disable ARP Commands Table A-6. Bridge Commands 2Table A-7. ARP Commands 1 Table A-8. Proxy ARP Command Proxy ARP CommandTable A-7. ARP Commands 2 Proxy arp eth1 dsl1 enable disable NAT Commands Table A-9. NAT Commands 1 Nat napt purge Table A-9. NAT Commands 2Nat timeout time Nat napt map udp tcp server-ip port Table A-9. NAT Commands 3 Nat basic delete private-ipNat napt delete udp tcp port Dhcp Server Commands Table A-9. NAT Commands 4Table A-10. Dhcp Server Commands 1 Dhcp server name domain name Table A-10. Dhcp Server Commands 2Dhcp server router ip-address Dhcp server nameserver ip-addressip-address2 Dhcp relay enable disable Dhcp Relay Agent CommandsTable A-11. Dhcp Relay Agent Commands Dhcp relay address ip-address IP multicast enable disable IP Packet Processing CommandsTable A-12. IP Packet Processing Commands IP routing enable disable Pppoe enable disable PPPoE Client CommandsTable A-13. PPPoE Client Commands 1 Ppp ip eth1 dsl1 passthrough mask no-dns Table A-13. PPPoE Client Commands 2 Ppp authentication chap pap both noneFrom previous Table A-13. PPPoE Client Commands 3 Ppp username username Telnet Commands Table A-14. Telnet Commands 1 Telnet keep-alive enable disable Table A-14. Telnet Commands 2Telnet timeout time Telnet keep-alive timeout time Table A-15. Traps Command Traps CommandClearing Statistics Command Table A-16. Clearing Statistics Command Show alarms Show CommandsTable A-17. Show Commands 1 Show arp timeout Displays either console enabled or console disabled Table A-17. Show Commands 2Show config Show bridge Table A-17. Show Commands 3 Show dhcp relayShow dhcp server Table A-17. Show Commands 4 Show interface eth1 dsl1Show ip route ip-address Table A-17. Show Commands 5 Show nat basicShow nat napt Table A-17. Show Commands 6 Show pppoeShow spanning-tree Table A-17. Show Commands 7 Show statistics eth1 dsl1 ip bridge pppoe tftpShow statistics eth1 Show statistics ip Table A-17. Show Commands 8Show statistics dsl1 Show statistics bridge Table A-17. Show Commands 9 Show statistics pppoeShow statistics tftp Show telnet Table A-17. Show Commands 10Show system Show traps Command Line Interface November Configuration Defaults Command Line Shortcuts Configuration Default Settings A-17 Arp create ip-addr mac-addr Command Line ShortcutsTable B-2. Command Line Shortcuts 1 Arp delete ip-addr Table B-2. Command Line Shortcuts 2 Table B-2. Command Line Shortcuts 3 Show syslog Show system Show telnet Table B-2. Command Line Shortcuts 4Show nat basic napt Show pppoe Syslog ip ip-addrmgt srvc Traps and MIBs Snmp OverviewTraps Overview DSL Router Traps Variable Binding MIBs Overview Standard MIBsMIB II RFC System Group System Interfaces Group RFC InterfacesIfEntry IfType Identifies the interface type based Supported values Mbps Extension to Interfaces Table RFCIfXEntry True1 Table C-5. IP Group Objects Description Setting/Contents IP Group RFC IP Cidr Route Group RFC IpForwardIpCidrRouteEntry Transmission Group Snmp Group Paradyne Enterprise MIBs Ethernet-Like MIB RFC Active1 Device Control MIBNoOp1 Inactive2 TraceRoute Device Diagnostics MIBPing Test InProgress2 Active test SystemError TimeoutIcmpError ApplpingTestEntry ApplTracerouteResultsEntry ConfigureTraceroute AppTracerouteResultsEntry Health and Status MIB DevStatus1DevStatus Configuration MIB Factory1-to-active8 Primary Interface Configuration MIBPdnInetIpAddressTableEntry Secondary Dhcp MIB DSL Endpoint MIB Accessing the List Command Output DSL Router Terminal Emulation Terminal Emulation Programs Overview Firmware UpgradeFirmware Upgrade Commands Apply download Download ifn address eth1 155.1.3.254 Paradyne server Firmware Upgrade ProceduresDownload dsl1ifn eth1ifn server-ip filename Downloading will affect user data performance Are you sure? At the CUSTOMER-CONFIG# prompt, type apply download System is being resetNo new firmware to apply Firmware Upgrade November Symbols Index IN-2 IN-3 IN-4 IN-5 IN-6