1. 1 4/15/2015 3:13:20 AM Conveying Clue BOF NANOG October 1999 Howard C. Berkowitz Gett Communications hcb@clark.net (703)998-5819

2. 2 4/15/2015 3:13:20 AM Who to Clue? Presales –Sales/business requirement –Technical requirement Provisioning –Customer staff/when to outsource –ISP setup Support –Troubleshooting –Tuning

3. 3 4/15/2015 3:13:20 AM Basic Configuration Student Router 1 Student Router 3 PC ISDN Function Student Router 2 Instructor- Controlled Core Router Pod (min 2) Student Switch 2 Student Switch 1 Student Switch 3 Infrastructure Core Switch 1Core Switch 2

4. 4 4/15/2015 3:13:20 AM BGP

5. 5 4/15/2015 3:13:20 AM Assumptions Basic student router configuration Changes are in infrastructure

6. 6 4/15/2015 3:13:20 AM One or more LINUX hosts, depending on load Infrastructure for BGP Training Switching Fabric(s) FR and ISL now, ATM future BGPsim Route Server Registry Cisco Student Lab and Instructor Router

7. 7 4/15/2015 3:13:20 AM Basic Router Cust 1 Site 2 R2 Reverse Telnet Server AC Switch Multiplex to fabric O&M Ethernet TFTP, DNS, SNMP, NTP

8. 8 4/15/2015 3:13:20 AM Multihomed Customer Scenarios

9. 9 4/15/2015 3:13:20 AM Initial Multihomed Routing Data Center R1 Data Center R2 Layer 2 Switching Fabric(s) BGP Simulator Tier 1 Site 1 R1 ISP2 Site 1 R1 iBGP eBGP, cust. to ISP eBGP, to “Internet”

10. 1010 4/15/2015 3:13:20 AM Customer Phase 2 Layer 2 Switching Fabric(s) Data Center R1 Data Center R2 Backup Center R1 Backup Center R2 Tier 1 Site 1 R1 ISP2 Site 1 R1 BGP Simulator Tier 1 Site 1 R1 ISP2 Site 1 R1 iBGP eBGP, cust. to ISP eBGP, to “Internet”

11. 1 4/15/2015 3:13:20 AM Large Enterprise Phase 1 BGP Simulator Tier 1 Site 1 R1 ISP2 Site 1 R1 Tier 1 Site 1 R1 ISP2 Site 1 R1 iBGP eBGP, cust. to ISP eBGP, to “Internet” Confederation eBGP Hospital 1 R1 Hospital 1 R2 Hospital 2 R1 Hospital 2 R2

12. 1212 4/15/2015 3:13:20 AM Large Enterprise Phase 2 PA Site 1 R1 PA Site 1 R2 BGP Simulator Tier 1 Site 1 R1 ISP2 Site 1 R1 PA Site 2 R1 PA Site 2 R2 Tier 1 Site 1 R1 ISP2 Site 1 R1 iBGP eBGP, cust. to ISP eBGP, to “Internet” Confederation eBGP

13. 1313 4/15/2015 3:13:20 AM Startup ISP Phase 1 Servers Site 1 R1 Servers Site 1 R2 BGP Simulator Tier 1 Site 1 R1 ISP2 Site 1 R1 POP1 Site 2 R1 POP2 Site 3 R1 iBGP eBGP, cust. to ISP eBGP, to “Internet” Route reflector client to server

14. 1414 4/15/2015 3:13:20 AM Provider Scenarios

15. 1515 4/15/2015 3:13:20 AM More Startup Scenarios 2 Equal Upstreams Primary/backup Upstream

16. 1616 4/15/2015 3:13:20 AM Local Exchange BGP Simulator Pod 1 R1 Pod 1 R2 Pod 1 R3 RS 1 RS 2 Pod n R1 Pod n R2 Pod n R3 Other Servers DNS TFTP AAA SNMP, NTP