IETF 105 Network Information – Montreal, QC, Canada

Terminal Room

The Terminal Room is located in Sherbrooke and Mansfield on the Convention Floor. The Terminal Room is open 24 hours each day beginning Sunday, July 21st, 2019 at 16:00 and ending on Friday, July 26th, 2019 at 15:00. A help desk is provided and the hours are listed below. The room itself consists of approximately 50 seats, providing some wired access and 120v power ports with type B (NA) connections.

Please note that this terminal room has no terminals, PCs, or other user-accessible machines. It is simply a place to get power, wired and wifi Internet access, help desk support, print documents, and/or work quietly.

When using the Ethernet connections in the Terminal Room, IPv4 addressing is provided via DHCP. Please use Stateless Auto-configuration for IPv6 (SLAAC). A DHCPv6 server or RDNSS will provide network information. To cut down on the mess, ethernet cables have not been installed to every seat in the Terminal Room. If you need a cable, please ask at the Help Desk.

Please note that at the request of the IETF Chair, demonstrations are no longer permitted in the Terminal Room.

Help Desk

A help desk is being provided next to registration in Square Dorchester, and will be staffed the following hours:

Sunday 16:00 to 17:00
Monday 8:30 to 18:00
Tuesday 8:30 to 18:00
Wednesday 8:30 to 18:00
Thursday 8:30 to 18:00
Friday 8:30 to 13:00

NOC and Ticketing

There are several ways to communicate with the NOC staff.

  • Submit a new trouble ticket via the trac web interface. Filling in the following fields: "My MAC Address", "My Current Location", and "My OS" expedite ticket processing. If you have an existing account on you can use your established credentials (email address and tools password) to log in.
  • Send an email to tickets @ with as much detail regarding your issue and configuration as possible.
  • If you're on site and need direct network assistance (i.e - you have no network) please go to the Help Desk, which is located in the Terminal Room.

You can also use trac to review outstanding tickets before reporting an issue or to update outstanding tickets.

The Secretariat also maintains a ticket system for the reporting of meeting issues. Please send mail to: mtd to report a problem. The Secretariat is responsible for addressing issues with:

  • A/V in meeting rooms
  • Beverage and food
  • Jabber
  • Projectors
  • Temperature fluctuation

External Connectivity

The IETF 105 network connects to the Internet via a pair of 1Gb/s uplinks graciously donated by Telus and MetroOptic. The IETF uses 2001:67c:370::/48 and 2001:67c:1230::/46 for IPv6 and and for IPv4. We are supplying bandwidth for the conference space, as well as wireless connections in the guest rooms of the Fairmont The Queen Elizabeth hotel.

Meeting Room Wireless

An 802.11 a/g/n/ac wireless network is provided throughout the venue on both the 2.4 and 5 GHz bands, in conjunction with IPv4 and IPv6 addressing options.

The main “ietf” wireless network is encrypted; make sure you enter ietf for both the username and password.

Here’s a quick summary of the network layout:

SSID Description Encrypted Frequencies IP Versions
ietf Our default network yes 5Ghz only v4 and v6
ietf-legacy105 For legacy and unencrypted use no 2.4 and 5Ghz v4 and v6
ietf-2.4ONLY An encrypted network for 2.4Ghz users yes 2.4Ghz only v4 and v6
ietf-v6ONLY For users wanting pure IPv6 yes 5Ghz only v6 only
ietf-nat64 IPv6 stack with NAT64 to access IPv4 resources yes 5Ghz only v6 with NAT64 & DNS64
ietf-nat64-unencrypted IPv6 stack with NAT64 to access IPv4 resources no 2.4 and 5Ghz v6 with NAT64 & DNS64
eduroam educational users yes 2.4 and 5Ghz v4 and v6

All networks marked as encrypted will offer layer 2 security. This is done using WPA2 enterprise with 802.1X (PEAP or TTLS) authentication and AES encryption. As usual, we are all using the same credentials (user “ietf”, password “ietf”), yet each user will get unique session encryption keys. The certificate is signed for by Starfield Technologies, Inc., with the following fingerprint.

SHA1 AE:27:63:AF:64:0F:66:37:3D:7B:EB:A0:63:BA:30:08:5A:02:87:06
SHA256 A5:F0:3E:06:BA:5F:1F:10:25:B6:18:21:8F:04:F1:28:85:2A:0E:F7:BB:C5:51:9F:C3:07:B1:59:0E:34:74:F5

Stefan Winter has kindly provided signed profiles that will supply the appropriate SSL certs:

Our wireless LAN infrastructure implements the following two BCP38-like filtering.

  • Packets from manually configured IPv4 addresses that are not assigned by DHCP are dropped. DHCP packets are snooped by our wireless LAN controllers to perform this filtering.
  • Packets from IPv4 and IPv6 addresses that cannot be resolved via ARP/NS are filtered out. Proxy ARP/ND is performed by our wireless LAN controllers for this filtering.


Experiments on the IETF network need to be approved by the IETF Chair. For IETF 105, no experiments have been approved. The previous DPRIVE (DNS over TLS) experiment has been adopted as a production service, and continues to be available.

Guest Room and Public Space Access

The IETF Network is being extended to the guest rooms and public spaces throughout the The Queen Elizabeth Fairmont. This is being delivered via the hotel's wireless infrastructure as an additional SSID, "ietf-hotel". There is no working wired Ethernet connectivity into the guest rooms.


If you have trouble using the guest room and public space SSID "ietf-hotel", please contact us at the Help Desk in Square Dorchester on the Conference Level or via tickets @ and we’ll be glad to help!

A Note For Windows Users

Connecting to the ietf SSID on Windows 7 requires a few extra, non-intuitive steps. If you're struggling to get connected to an encrypted SSID on your Windows laptop, please come by the Help Desk. Alternatively, you can try yourself; Instructions are here >>


There is a printer at the Help Desk and is available to all IETF users. The printer is an Epson WF-4730 and is accessible via LPD, Bonjour, standard TCP/IP on port 9100. The hostname for it is This printer model is new to this meeting and will require new printer drivers.

Name Model Capabilities IPv4 Address IPv6 Address Notes Drivers Epson Workforce Pro WF-4730 Inkjet w/Duplexer 2001:67c:370:160::18 Bonjour name: term-printer Printer Drivers


The following network services are provided:

Service Address Notes
SMTP Will provide SMTP relay for anything within the IETF network
NTP A stratum 2 time service is provided via IPv4 and IPv6 unicast
DNS Validating recursive resolvers. The domain name is

These services are being provided from both of the following servers: / [2001:67c:370:229::6] or / [2001:67c:370:229::7]


There is a geolocation feed published here: Geolocation service for temporary networks is often hit or miss. Suggestions/assistance is welcomed. You can also try searching via (no country re-direct).


The terminal room and IETF network are made possible by the generous contributions by 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!


  • Juniper Networks
  • Cisco
  • Netbeez
  • A10
  • Open Systems Consultants


  • Telus
  • MetroOptic and Openface


  • Hirochika Asai (Preferred Networks/WIDE)
  • Rob Austein (DRL)
  • Joe Clarke (Cisco)
  • Hans Kuhn (NSRC)
  • Warren Kumari (Google)
  • Chris Morrow (Google)
  • Bill Fenner (Arista)
  • Bill Jensen (University of Wisconsin–Madison)
  • Lucy Lynch
  • Karen O'Donoghue (ISOC)
  • Clemens Schrimpe


  • Stetson Alfvin
  • Sean Croghan
  • Ben Pedersen
  • Bret Plumb
  • Con Reilly
  • Paul Smith
Last modified 18 months ago Last modified on 22 Jul 2019, 14:49:43