Advanced Networking

Networking Tools
Description: Introduction William Faulkner once said, “The tools I need for my work are paper, tobacco, food, and a little whiskey.” For IT connectivity support, additional tools are required, not to say that some of Faulkner’s don’t also come in handy. Thanks to the work of folks in ITS Networking and our friends in the ITS [...]
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What is ISDN?
Description: ISDN (Integrated Services Digital Network) is a set of standards for digital transmission over ordinary telephone lines as well as over other media. The ITS has one set of ISDN telephone lines and can participate in ad hoc point-to-point sessions as well as multi-point sessions if a third-party ISDN bridge is arranged. Since ISDN connections [...]
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What are the UNC Secure 802.1X wireless IP subnet ranges used on campus?
Description: Wireless1X-MainCampusMid: 152.23.8.0/21, 152.23.40.0/22, 152.23.142.0/23, 152.23.152.0/23, 152.23.154.0/23 Wireless1X-MainCampusSouth: 152.23.0.0/21, 152.23.84.0/22, 152.23.128.0/22 Wireless1X-MainCampusNorth: 152.23.105.0/24, 152.23.106.0/23, 152.23.108.0/22 ResNET-Wireless1X: 152.23.240.0/21, 152.23.248.0/22, 152.23.252.0/22 Med-Wireless1X: 152.23.176.0/22 BschoolWireless1X: 152.19.128.0/22
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How do I register a domain name that is outside of the UNC domain
Description: For information about registering a domain name that is outside the UNC domain, visit http://its.unc.edu/policies/unc-data-network/registering-a-non-unc-domain-name.html.
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Network User Information Tool
Description: Introduction: This tool has been created for IT Support staff within the university in an effort to assist and improve in locating devices and determining their state on the network. It will return search results on the vast majority of both wired and wireless campus network devices, with some notable exceptions. It will currently return [...]
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Does Ghost Multicast work on campus?
Description: Does Ghost Multicast work on campus? Multicast is enabled within each individual VLAN (although multicast routing for inter-VLAN traffic is not necessarily configured), so Ghost should work if server and clients are in the same VLAN. The Networking group has found that Ghost multicast doesn’t seem to be in full accordance with the IETF documents [...]
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What subnets are used on campus?
Description: The campus is assigned 3 class B subnets: 152.2.0.0/16 152.19.0.0/16 152.23.0.0/16 In addition to these subnets, other campus divisions are assigned thusly: UNC Hospitals 204.85.192.0/18 Institute of Marine Sciences 198.85.230/24 198.85.231/24 UNC Guest Access 204.84.8.0 204.84.9.0 204.84.10.0 204.84.11.0 204.84.254.0/23 The range of private addresses reserved by the Internet Assigned Numbers Authority (IANA) for private internets [...]
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What are the campus domain name servers (DNS)?
Description: What are the campus domain name servers (DNS)? Load Balanced DNS: 152.19.240.8 (fasterpass.its.unc.edu) Preferred ITS Phillips: 152.2.21.1 (ns.unc.edu) ITS Phillips: 152.2.253.100 (ns2.unc.edu) ITS Franklin: 152.2.46.3 (dfranklindns.its.unc.edu) ITS Manning: 152.2.0.26 (dmanningdns.its.unc.edu) We recommend that you use DNS servers from at least two different buildings for redundancy and resiliency. Note: If you choose to point to off-campus [...]
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Public Network Information Tool (NIT)
Description: Public Network Information Tool The Public Network Information Tool (NIT) is a publicly available resource created for IT Support staff within the university in an effort to assist and improve in locating devices and determining their status on the network. It will return search results on the vast majority of both wired and wireless campus [...]
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System Port Reference
Description: Each computer system has 2-16 back doors (or ports) that other computer systems and programs can access. These port numbers are divided into three ranges: the Well Known Ports, the Registered Ports, and the Private Ports. The Well Known Ports are those from 0 through 1023, and are the ports that other computers will most [...]
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