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InterNetworking and Routing


This page houses all the information on the INR subject.

Use the following links to navigate though the logbook: week1, week2, week 2b, week 3, week 4

, week 5, week 6


Documents and files

  1. Presentation: End to end principle


OSPF, Friday, March 18, 2005


In this practise we configured a network which will be used with the OSPF (Open Shortest Path First). First i've created the multiple router configuration for this assignment.

To set the routers area's and modes the following configurations are used:
# 1
router ospf
ospf router-id
network area 0

# 2
router ospf
ospf router-id
network area 0
network area 1

# 3
router ospf
ospf router-id
network area 0
network area 2
To start the ospf daemon i used the following command:


Spanning Tree Protocol, Friday, March 4, 2005


In this assignment we had a look at the Spanning tree protocol. First i searched for a way to permanently store the TCPDump data. I used my homedirectory for that using the following command: Details on using mount like this can be found here.

To start the practise, we had to use a triangled and a parallel configuration.

The tcpdump file of the parallel configuration can be found here. To be able to let SPT run on the created network I used the following command: Practise questions:


IPv4 and IPv6 configurations, Friday, February 25, 2005


In this practise we had to build several network toplogies using VNE. I created several XML configuration files which consisted of the network devices and links. I tested them using VNE at Pisa. I created an personal configuration consiting of a few switches and routers together with Remco Hobo during the practise. You can find it here.

During the practise I used the follwing command: Adding a default gateway for a host can be done using the route command as follows:


User Mode Linux, Friday, February 18, 2005



Practise February 15th, 2005 [Theoretical Study (part II)]



Practise February 11th, 2005 [Theoretical Study (part I)]


Internet Assigned Numbers Authority

IANA is responsible for IP-address allocation and providing protocol parameters for Internet standards for current and future correct use of the internet. Think of standarized portnumnbers and charactersets. IANA also keeps track of several authorative records. The data of these records is determined by the engineering field or other considerations.

The Internet Corporation for Assigned Names and Numbers is an internationally organized, non-profit corporation that has responsibility for Internet Protocol (IP) address space allocation, protocol identifier assignment, generic (gTLD) and country code (ccTLD) Top-Level Domain name system management, and root server system management functions. These services were originally performed under U.S. Government contract by the Internet Assigned Numbers Authority (IANA) and other entities. ICANN now performs the IANA function.

ICANN is responsible for coordinating the management of the technical elements of the DNS to ensure universal resolvability so that all users of the Internet can find all valid addresses. It does this by overseeing the distribution of unique technical identifiers used in the Internet's operations, and delegation of Top-Level Domain names (such as .com, .info, etc.).

Institute of Electrical and Electronic Engineers

International organization that sets standards for electrical and computer engineering.

Well known standaards defined by IEEE are: Ethernet (IEEE 802.3) and WiFi (IEEE 802.11). RIPE
R.seaux IP Europ.ens

RIPEis a collaborative forum open to all parties interested in wide area IP networks. The objective of RIPE is to ensure the administrative and technical co-ordination necessary to enable the operation of the Internet within the RIPE region.

The RIPE NCC is one of four Regional Internet Registries (RIRs) providing Internet resource allocations, registration services and co-ordination activities that support the operation of the Internet globally.

Stichting Internet Domeinregistratie Nederland (Dutch)

Registration and deligation of .nl top level domain names.

Internet Engineering Task Force

The IETF defines standard Internet operating protocols such as TCP/IP, URIs, etc. The IETF's main documents are the RFCs.

Internet Research Task Force

One of the task forces of the IAB. The group responsible for research and development of the Internet protocol suite.

The Internet Society The Internet Society

The ISOC is the international organization for global cooperation and coordination for the Internet and its internetworking technologies and applications. ISOC membership is open to any interested person.

The IETF is a international oragnization which consits of developers, researches and organizations from the business field, the main difference between the IETF and the IRTF is that the IRTF has a long term research goal, and requires research groups to have a long term membership to it's organization. The ISOC is a controlling (mother) organization, it provides reliable information on the internet and provides forums for the IETF and IRTF.