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Tulane’s Network Infrastructure. Tom Gerace ISDS 774 September 8, 1999. Topics. Tulane campus network From the inside to the outside Goldring/Woldenberg Hall to the Internet Connection to the Internet Hardware/Connections Protocols. Goldring/Woldenberg Hall.
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Tulane’s Network Infrastructure Tom Gerace ISDS 774 September 8, 1999
Topics • Tulane campus network • From the inside to the outside • Goldring/Woldenberg Hall to the Internet • Connection to the Internet • Hardware/Connections • Protocols
Goldring/Woldenberg Hall • 100-Base-T (100 Mbps) switched Ethernet • Cabletron Systems router (SSR-8) • Cabletron Systems switches (SS-6000, SS-2200) • Cabletron Systems hubs (ELS-100) • 10-Base-T (10 Mbps) switched Ethernet • Cabletron Systems hubs (MicroMmac-80) • Other hub manufacturers (Bay, Asante) • Wired to central wiring closets on each floor • Floors connected by copper riser • Fiber riser work budgeted for FY 1999-2000
Goldring/Woldenberg Hall • Connected to campus fiber backbone and the Internet • Cabletron SmartSwitch Router (SSR-8) • 100 Mbps, full-duplex • 3 subnets managed behind our router • 129.81.28.x • 129.81.113.x • 129.81.234.x • Major protocols • TCP/IP • IPX
Notebook connectivity • Network connections throughout the building provide connection to the Freeman network and the Internet • 76 in the Atrium • 26 in the Library • 40 (total) in Breakout rooms • “Connected” classrooms – 130, 140, 141, 151
The campus connection • G/W Hall • Router to campus fiber backbone • Richardson Building • Campus fiber backbone to router • TCP/IP is the only allowed protocol on the campus fiber backbone 100 Mbps Richardson Bldg RS/6000 Mailhost Admin MVS systems Router to Internet G/W Hall
The campus connection • A buildings is connected to the campus backbone by a router • Card access system communicates over fiber backbone, too • Building/room access • Security gates • Debit card
Campus connectivity (now) • Connection to other campuses and ISP • 3-port NMLI • Native Mode LAN Interface • 10 Mbps • Uptown, Medical Center, BellSouth • Creates a “bridged domain” • Looks like a big Ethernet segment • Connected to Cisco router
Campus connectivity (now) Uptown Internet 10 Mbps ISP Medical Center 10 Mbps
Campus connectivity (future) • Connection to other campuses and ISP • Frame relay over DS3 • Full DS3 (45 Mbps published standard) • CIR 15 Mbps • Single connection Uptown • Med Center connected to Uptown by 100 Mbps link • Connected to a Cisco 7507 router
Campus connectivity (future) Uptown Internet 100 Mbps ISP Medical Center 15 Mbps
ISP Connectivity • BellSouth (the world) • Full DS3 out of New Orleans • 45 Mbps • Connected to Dallas and Houston • Pipe gets larger as you get closer to the hub
Tulane Dial-up • Managed by TIS • Ascend Max (17) • 391 total lines • All lines are PRI • Primary rate interface • Digital back to switch • Support PPP and asynchronous (character-based) • Point-to-Point Protocol
Internet 2 • Will be packet over Sonet • Synchronous Optical Network • At STS-3 (155 Mbps) • A published standard Sonet speed • Reserved for research