Conveying Clue BOF NANOG October 1999

1
Conveying Clue BOFNANOG October 1999

• Howard C. Berkowitz
• Gett Communications
• hcb_at_clark.net
• [phone]

2
Who to Clue?

• Presales
• Sales/business requirement
• Technical requirement
• Provisioning
• Customer staff/when to outsource
• ISP setup
• Support
• Troubleshooting
• Tuning

3
Basic Configuration
Instructor- Controlled Core Router
ISDN Function
StudentSwitch 2
StudentSwitch 1
StudentSwitch 3
Student Router 1
Student Router 3
Student Router 2
Pod (min 2)
PC
PC
PC
4
BGP
5
Assumptions

• Basic student router configuration
• Changes are in infrastructure

6
Infrastructure for BGP Training
One or more LINUX hosts, depending on load
BGPsim
Route Server
Registry
Switching Fabric(s) FR and ISL now, ATM future
Cisco Student Lab and Instructor Router
7
Basic Router
Multiplex to fabric
Cust 1 Site 2 R2
TFTP, DNS, SNMP, NTP
OM Ethernet
AC Switch
Reverse Telnet Server
8
Multihomed Customer Scenarios
9
Initial Multihomed Routing
Tier 1 Site 1 R1
ISP2 Site 1 R1
BGP Simulator
Layer 2 Switching Fabric(s)
eBGP, to Internet
iBGP
eBGP, cust. to ISP
10
Customer Phase 2
Layer 2 Switching Fabric(s)
eBGP, to Internet
iBGP
eBGP, cust. to ISP
11
Large Enterprise Phase 1
Tier 1 Site 1 R1
ISP2 Site 1 R1
Tier 1 Site 1 R1
ISP2 Site 1 R1
BGP Simulator
eBGP, to Internet
iBGP
eBGP, cust. to ISP
Confederation eBGP
12
Large Enterprise Phase 2
Tier 1 Site 1 R1
ISP2 Site 1 R1
Tier 1 Site 1 R1
ISP2 Site 1 R1
BGP Simulator
PA Site 1 R1
PA Site 1 R2
PA Site 2 R1
PA Site 2 R2
eBGP, to Internet
iBGP
eBGP, cust. to ISP
Confederation eBGP
13
Startup ISP Phase 1
Tier 1 Site 1 R1
ISP2 Site 1 R1
BGP Simulator
Servers Site 1 R1
Servers Site 1 R2
POP1 Site 2 R1
POP2 Site 3 R1
eBGP, to Internet
iBGP
eBGP, cust. to ISP
Route reflector client to server
14
Provider Scenarios
15
More Startup Scenarios

• 2 Equal Upstreams
• Primary/backup Upstream

16
Local Exchange
BGP Simulator
RS 1
RS 2
Other Servers DNS TFTP AAA SNMP, NTP