[...]... Internet 13 6 13 8 14 1 14 2 14 5 14 8 15 4 15 8 16 0 16 2 16 4 16 6 16 8 17 1 17 2 Backup Interface Services 17 3 Interface Group Fails Route Unreachable 17 5 17 5 Contents Ping Failure Time of Day or Day of the Week Placement in the Network Network Administration of VPN Routers Direct Access Control Tunnels Out-of-Band Management Logging SNMP Other Management Considerations 17 5 17 6 17 7 18 0 18 1 18 1 18 1 18 2 18 2 18 4 Summary... Status of Your VPN Router Logs Configuration Log Event Log Security Log System Log VPN Router System Status Tools Sessions Reports System Health Check Statistics Accounting 18 7 18 8 18 8 18 9 18 9 19 0 19 1 19 6 19 7 200 200 2 01 2 01 2 01 202 202 203 203 204 205 206 206 206 208 210 212 214 214 215 215 216 217 218 xv xvi Contents Other VPN Router Tools Trace Route Ping Address Resolution Protocol VPN Router Administration... T1/E1 ADSL Serial Interfaces (V.35, X. 21, RS-232) V.90 Dial Access Modem High Speed Serial Interface Encryption Accelerator Modules Console Port (DB-9) Nortel VPN Router Solutions VPN Router 10 0 Overview Technical Specifications VPN Router 200 Series VPN Router 2 21 VPN Router 2 51 VPN Router 600 VPN Router 10 00 Series VPN Router 10 10 VPN Router 10 50 VPN Router 11 00 VPN Router 17 00 Series VPN Router 17 00... Upgrade Starting the VPN Client The VPN Client Connection Wizard Process Selecting Username and Password Authentication Type Selecting Hardware or Software Token Card Authentication Type 79 80 80 80 81 81 81 82 83 83 10 2 10 6 10 6 10 7 10 7 11 3 11 3 11 5 12 2 12 5 12 6 13 0 Summary Chapter 4 13 2 The Nortel VPN Router in the Network What Is a Virtual Private Network? Tunneling Basics 13 3 13 3 13 5 Branch Office Tunnel... Mode 613 614 615 615 help Command File System Commands 616 616 Contents who Command terminal Command verify Command reset Command exit Command IP Connectivity Commands clear Command show Commands show version Command show flash Command show admin Command show file Command show clock Command show ip Command show ip route Command show ip interface Command show ip traffic Command show services Command show... Generic Routing Encapsulation 17 18 18 19 19 19 20 20 20 21 21 22 22 22 24 24 25 25 25 26 26 27 27 27 27 28 29 29 30 30 32 32 33 34 35 36 37 Summary Chapter 2 38 The Nortel VPN Router The Nortel VPN Router Portfolio Modules and Interfaces 39 40 41 SSL VPN Module 10 00 Hardware Interface Options Peripheral Component Interconnect Expansion Slots 10 /10 0Base-T Ethernet 10 00Base-SX /10 00Base-T Ethernet 41 42... Command boot Command capture Command create Command delete Command forced-logoff Command kill Command mkdir Command rmdir Command 619 619 619 620 620 620 6 21 622 623 623 625 625 625 626 626 627 627 629 630 6 31 6 31 632 633 633 635 636 636 636 638 639 6 41 642 643 644 644 645 645 646 647 647 654 654 655 656 656 656 657 657 xxv xxvi Contents more Command reformat Command reload Command rename Command retrieve... Information Protocol Open Shortest Path First Virtual Router Redundancy Protocol Digital Subscriber Line 1 2 2 3 4 4 4 5 6 6 7 8 8 9 10 10 11 11 11 12 12 13 14 14 15 16 16 xi xii Contents Integrated Services Digital Network Lightweight Directory Access Protocol Remote Authentication Dial-In User Service Networking Hardware Random Access Memory Modem Channel Service Unit/Data Service Unit Computer Workstations... switch-settings Command enable Command Privileged EXEC Mode clear Command reset Command show Command show all Command show current-config-file Command show dhcp Command show health Command show interface Command show ip Command show hosts Command show ipsec Command show logging Command show ntp command show router Command show snmp Command show software Command show status Command show system Command show running... Time-Outs NAT Statistics Proxy ARP Summary 308 309 309 311 311 314 315 315 316 317 318 319 320 3 21 322 322 322 323 324 325 326 327 327 328 329 329 330 330 3 31 3 31 3 31 332 332 332 333 333 333 334 334 334 334 335 335 Contents Chapter 8 Overview of Ethernet LANs and Network Routing Ethernet Networking Basic Physical Topology Types Bus Topology Star Topology Carrier Sense Multiple Access with Collision Detection . Martin Nortel Guide to VPN Routing for Security and VoIP 01_ 7 812 74 ffirs.qxp 6/ 21/ 06 10 :06 PM Page iii 01_ 7 812 74 ffirs.qxp 6/ 21/ 06 10 :06 PM Page ii Nortel Guide to VPN Routing for Security and VoIP 01_ 7 812 74. Addresses 11 Class C Addresses 11 Class D Addresses 11 Protocols and Other Standards 12 Internet Protocol 12 Interior Gateway Protocol 13 Exterior Gateway Protocol 14 Routing Information Protocol 14 Open. VoIP 01_ 7 812 74 ffirs.qxp 6/ 21/ 06 10 :06 PM Page i 01_ 7 812 74 ffirs.qxp 6/ 21/ 06 10 :06 PM Page ii James Edwards Richard Bramante Al Martin Nortel Guide to VPN Routing for Security and VoIP 01_ 7 812 74