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Transcript of finsl 2
Ahmed Zaki Ahmed
Abd El Samie Mohamed
Team Members :
What's Corennect ?
Corennect is an emulated internet service provider company that aims to satisfy the future needs of data communications in Egypt, with high performance , good efficiency and scalability. It can support its different applications.
We would like to thank
Dr. Ihab for
Welcome to our Project
1- Layer 3 VPN
2-Layer 3 VPN Inter-AS
first we create anew AS to simulate an ISP has following topology
3-Layer 2 VPN
4- VOIP Services
The Cisco 7200 is capable of handling integration of data, voice, and video in a single Edge device
Speed is up to 2 Million packets per second (pps)
It is costly wise not to built the infrastrucutre of cables so we rent bandwidth from Telecom Egypt
BGP is best for large routing table
BGP is best for carrying all routes of customers
1- No auto discovery
Need of IGP
Static VS Dynamic routing protocol ?
Why OSPF ?
How OSPF work with BGP ?
Problem of lock up in routing like this
MPLS add labels to every destination prefix.
Building MPLS tables.
label interchanging occurs.
Offer L2/L3 VPN service to customers.
Layer 3 VPN concepts
How we use same IP for different customers ?
layer 3 VPN
CE device must be IP aware
customers allowed to use duplicated IPs
require PE participating in CE routing
CE device can be layer 2 device
customer sites act as directly connected
No need for CE-PE participation
VRF (virtual Routing and Forwarding )
Route distingusher (unique IP )
Route target (import & export)
PE interface assigning
Address-family VPNV4 for understanding VPNV4
Dedicated line for customer 24/7
the cost depends on
the bandwidth dedicated
IP conflict due to private IP usage (L3VPN)
CE device does not support IP (L2VPN)
C7200 platform supports Layer 2 VPN ATOM (Any Transport Over MPLS)
ATOM features :
Require MPLS core
Can connect any to any L2 protocol
Point to Point connection only
How to connect two sites via Layer2VPN ?
1- perform tunneling over MPLS
2- use xconnect command to connect users
Connecting L3VPN customer sites across ASs
Using Back-to-Back VRF method
ISIS & BGP MPLS
How to perform Inter-AS with Back-to-Back ?
ASBR (Autonomous System Border Router )
BGP neighboring between ASBR
Assign VRF of customer to sub-interface
BGP neighboring between ASBR and route reflector
Why corennect ?
CUCM Features 2
CUCM Features 1
CUCM basic configuration :
H.323 ,SIP, MGCP ,SCCP
The Real-time Transport Protocol (RTP)
The Real-time Transport Control Protocol (RTCP)
VOIP Protocols :
Reduced cost of communicating
Reduced cost of cabling
Take your phone with you
Open, compatible standards
The business benefits of VoIP :
VoIP technology enables you to make and receive telephone calls over a broadband Internet connection instead of over a traditional phone line.
Voice traffic is converted into data packets and transmitted over the public Internet and/or over a private IP network
VOIP(Voice Over IP):
What Is CUCM Server ?
Cisco Unified Communications Manager is the heart of Cisco collaboration services, enabling session and call control for video, voice, messaging, mobility, instant messaging (IM), and presence.
The Cisco Unified Communications System incorporates and integrates the following major communications technologies:
As a simple test of configurations we used the two virtual machines as
Users and set an extension for each one and enabled the accounts.
Here we made a call from a user to the smartphone:
Then we added another extension for a smartphone
user in the same network:
we installed a SIP application (C SIP simple) that can be connected
to the server.
2) we enabled the account on the phone.
We add users by choosing the user extension (his number) , display name and
the password used to access this account.
We access asterisk using its IP from any user
Access as admin and add extensions
First we setup the asterisk on the Virtual Box
We setup another PCs as users
We configure asterisk’s IP and gateway
Asterisk is a communication application implanted on
a centos server it includes all the building blocks
needed to create a PBX
And here we are calling another user from the smartphone:
We use X – Lite as our softphone.
Then we enable the accounts on the softphones
We insert the password we chose for the
We put the IP address of the asterisk server
as the domain.
In this example we add an extension with user name reda and ID 100.
Deliver web content that can be accessed through the Internet.
Gives the host an IP from its pool.
Transfer files from one host to another.
Why ISP need server’s ?
What’s server ?
Why Linux ?
An electronic post office.
Translates easily memorized domain names to the numerical IP addresses.