IETF 79 - Beijing, China

Terminal Room

The Terminal Room is located in the Lotus Room and is open 24 hours a day starting at 4:00PM on Sunday and ending at 5:00PM on Friday.

A separate help desk is located on the 3rd Floor common area of the Valley building. Anyone needing help with the network, terminal room or printing is encourage to stop by. The desk is manned the following hours:

Sunday 4:00 PM to 6:00 PM
Monday 8:00 AM to 8:00 PM
Tuesday 8:00 AM to 8:00 PM
Wednesday 8:00 AM to 8:00 PM
Thursday 8:00 AM to 8:00 PM
Friday 8:00 AM to 5:00 PM

The terminal room is equipped with several rows of tables, with power available. A subset of the tables has Ethernet drops.

NOC and Ticketing

If you need to report a problem to the NOC, either visit the help desk or send an email to tickets @ Issues can also be reported via the web-based front end to the ticketing system found at: (trac). You can also use trac to review outstanding tickets before reporting an issue or to update outstanding tickets.


There is also a Jabber room available to report issues and communicate with the NOC at noc @

Network Basics

The IETF 79 network is connected to the Internet via two 1G links provided by Tsinghua University, the primary connects to CERNET and backup to CSTNet. The entire event uses addresses out of the block for IPv4 and 2001:df8::/32 for IPv6.

Meeting Room Wireless

An 802.11 a/b/g/n wireless network is provided. Areas specifically covered are the meeting rooms in both the Garden and Valley Wings of the Shangri-La.

Authenticating to the production wireless network can be done in either of two ways:

  • using WPA/WPA2 Enterprise using the ietf.1x (2.4Ghz/5Ghz) and ietf-a.1x (5Ghz) SSIDs
  • using a web portal on the ietf-portal (2.4Ghz/5Ghz) and ietf-a-portal (2.4Ghz/5Ghz) SSIDS.

The user names for these networks are your registration ID number which can be found on your registration confirmation email, conference receipt, or back of your badge, and is 10 digits long.
The password for all methods is "ietf".

For detailed instructions see: Wireless Instructions for Windows and OS X

Alternatively, completely anonymous access tokens are available at the Help Desk and at the IETF Registration Desk.

Each User credential is valid for the entire meeting, and will allow up to 5 simultaneous logins.

Experimental Networks

The IETF supports several experimental networks to deploy our own work. Enjoy that dogfood!

SSID Access Credentials Purpose Location
ietf-v6ONLY WPA/WPA2 Enterprise w/ normal IETF credentials A IPv6-only network for investigating IPv6 in the absence of IPv4 IETF Meeting Area
ietf-nat64 None A demonstration of NAT64 IETF Meeting Area
ivi-dhcpv6 None, for Windows 7/Windows Vista/Linux? with DHCPv6 client A demonstration of stateless translation (IVI) (only available in exhibition area). Expo Centre
ivi-slaac-dhcpv4 None A demonstration of stateless translation (IVI) when Windows XP or MAC OS are used (only available in exhibition area). Expo Centre

Guest Room Access

The IETF Network is being extended to the public spaces and guest rooms in the Shangri-La by adding IETF-specific SSID's to the existing hotel wireless. The wired network connections in the guest rooms will remain on the existing hotel guest room network.

The "ietf-hotel" SSID connects to the IETF Network, using the web portal for authentication, and the "ietf-hotel.1x" uses WPA2 Enterprise authentication. Both of these use the same credentials as the usual IETF Meeting network. Unfortunately, due to some technical limitations of the Shangri-La wireless infrastructure, IPv6 isn't available in either of these networks.

The guest room network in the Hotel Nikko is included in the IETF Room Rate, but is unagumented.


There are two printers in the terminal room for your use, one black & white and one color.

Name Model Capabilities IPv4 AddressDrivers
terminalroom-printer HP CP2025dn Color Laser w/Duplexer HP Support
terminalroom printer 2 HP 2300n Black & White
helpdesk printer Dell 1135n Black & White Laser Dell Support

Instructions for Mac OS X using Bonjour auto-setup (DNS-Based Service Discovery)

  1. In the "Print" dialog, select "Add Printer..."
  2. Choose "Default" in the top-menu.
  3. You should see both printers discovered by Bonjour.
  4. Enjoy hassle-free printing.

Instructions for Mac OS X using manual configuration

  1. Open System Preferences -> Print & Fax -> "+" below printer list
  2. Select the "IP" icon at the top of window
  3. Select the "HP Jetdirect - Socket" from the dropdown
  4. Enter "" in the Address field. Leave the Queue field blank.
  5. Print Using should autopopulate with "HP LaserJet P2020 Series" driver. If not, select it.
  6. Click Add

Instructions for Windows using Windows printig system (in Vista layout)

  1. If you haven't printed on selected printer before, download and install the driver (do not use any of "wizzard" or "automated" packages).
  2. Start -> Settings -> Printers & Faxes -> Add Printer -> Add Networked printer (and click Next) - some waiting time 3a. If you are hooked to wired network in terminal room, you are able to add all printers and you are done 3b. If you aren't hooked to wired network in terminal room, click STOP in searching printers
  3. Click "desired printer isn't in the list"
  4. "Add printer using TCP/IP address ..."
  5. Select "Type" as "TCP/IP device" and IP adrres of desired printer
  6. Select printer driver (you may need to choose it from package you installed in step 1) - Do NOT click "Windows Update"
  7. Click next (two or three times - depends on your windows version and drivers installed) and wait till the printer is added

Instructions for Windows using HP printing framework

  1. Download HP Universal Print Driver for Windows PostScript? from HP Support
  2. Select "Dynamic instalation" and wait till all drivers are copied (takes about 5-10 minutes)
  3. Add printers by using their IP addresses in "control pannel" appearing when select Start -> Settings -> Printers & faxes -> "HP Universal Printing PS" -> Properties


The following network services are provided:

Service Address Notes
SMTP Will provide SMTP relay for anything within the IETF network
NTP Time service is provided via IPv4 and IPv6 unicast
DNS and Validating recursive resolvers. The domain name is


The Internet connectivity and various services are made possible by the generous contributions of a number of companies and by the tireless efforts of our volunteer team. If you see any of these people in the halls, please be sure to thank them for all their work!

We'd like to particularly thank Tsinghua University, Internet Society of China and CNNIC for there generous donation of staff and equipment.

NOC Team:

  • Xing Li
  • Jilong Wang
  • Xiaoliang (Leon) Zhao
  • Zhiyan (James) Zheng
  • Hewu Li
  • Fenghua Li
  • Qian Wu
  • Wu Liu
  • Wei Jiang
  • Liang Huang
  • Ting Pan

IETF Volunteers:

  • Bill Fenner
  • Bill Jensen
  • Chris Elliott
  • Jim Martin
  • Joel Jaeggli
  • Karen O'Donoghue
  • Lucy Lynch
  • Randy Bush
  • Warren Kumari
Last modified 8 years ago Last modified on 10 Nov 2010, 06:36:30