the citr network. agenda - network overview - au - network overview - us - other network equipment -...
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Agenda
- Network Overview - AU- Network Overview - US- Other network equipment- The “services” servers- The “dev” servers- New standard PC config- Recent additions/updates- Areas needing improvement- Coming soon….
Network Overview - AustraliaCisco 2611
- NAT for 192.168.144.0/24 - Non-encrypted tunnel to US office- Access control for DMZ
Cisco 3640- Access control for 192.168.144.0/24
- Encrypted tunnel to US office- Encrypted tunnel to Melbourne office
Cisco 1605- iSeek connection to Melbourne office
Cisco Catalyst 5000- 96 ports, 10/100 Mbps Auto sense
Cisco Catalyst 1924- 24 ports, 10 Mbps with 100Mbps uplink to CAT5000
Network Overview - USCisco 2611
- NAT for 192.168.1.0/24 - Non-encrypted tunnel to AU office
Cisco 3640- Access control for 192.168.1.0/24
- Encrypted tunnel to AU office- DMZ access control - Vitria, Pine
3Com SuperStack- 36 ports, 10/100 Mbps Auto sense
Microwave LinkCiTR <-> UQ
DSL connectionMelbourne officeiSeek/OptusRequestDSL
T1 connectionBoulder Office
RockyNET
Other Network Equipment
Services ServersOrange
- DNS, DHCP, TFTP, WWWGanymede
- EmailLemon
- Log host, ProxyViagra
- Main ProxySphinx
- SSH gatewayCitrus
- Email gatewayZero
- WWW, Email, FTP
NT servers
WINS-PDC- CiTR PDC- Mailbackup
Central- Software Store- NT backup
SQL- Timesheet DB
SQL2- Finance 1 DB
Finance- Finance 1 Server
Intranet- Test for “MyCiTR”
Development ServersSUN
Citron - Ultra Enterprise 450
Europa - Ultra 2 EnterpriseGuava - Ultra 2 EnterpriseIo - Ultra 2 EnterpriseJanus - Enterprise 250Kenny - Enterprise 250Cartman - Enterprise 250Animal - Enterprise 250Kyle - Ultra 5Stan - Ultra 5
HPNashiFeijoaJoppaGalileo
New Standard PC HP Vectra VL400
- 800Mhz P3 CPU- Intel 815 graphics- 256Mb PC133 SDRAM- Windows 2000- Samsung/HP 19” monitor- CDROM drive- Lockable case
Recent Additions / UpgradesDurian is dead
- Replaced by zero.citr.com.au- zero is more stable and faster- durian.citr.com.au DNS cname pointing to zero
Melbourne DSL connection- iSeek provide microwave link to Edward St, Brisbane
- Optus provide DSL tail- RequestDSL to provide ANOTHER DSL connection to Melb office
Dialin/Dialback- 8 modems
- Dialback preferred for security- 33600bps. No 56K upgrade planned- will supplement CiTR CA
Areas needing improvementCitron
- I/O performance hindered by bad disk layout- Single 100Mbps ethernet port
Internet Reliability- No backup routes on a UQ failure- SPOF on microwave hardware
Printers- Duplex jamming problems- Speed issues
Timesheet System- No email submission - why?
Coming Soon...CiTR Certificate Authority
- Windows 2000 Server based- VPN assist from 3rd party ISPs- Supplement dialback system- Perfect for roaming users
VPN tunnel upgrades- IPSec rather than GRE format- Improved security
Citron I/O upgrade- Better disk layout- Improved performance- Complex task, Juggling of data