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Discussion Starter · #1 ·
I have adsl connection at home and from adsl connection one port is connected to my cisco 1812 router.

I want to create LAN connection on this router to connect four laptops through ethernet.

Port details are as below :

one console port
one AXE port
ONE ISDN port
six ethernet ports & 2 more separate ethernet ports.

Now, I want to ping the laptops from each other and everbody should be able to browse Internet.

My default gateway for my ADSL modem is 192.168.1.1 255.255.255.0

I want two VLANs.

I would highly appreciate if any one can tell me the range of IP address with examples so that I can use in my router .

I am very confused assiging IP address to port.


My understanding is we assgin two address to router one Publick and private.

A public address should assgin to defult vlan1 .

I am really confused please help my I have exam next month and I am doing selfstudy.
 

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Cisco 1811 and 1812 Integrated Services Router Cabling and Installation  [Cisco 1800 Series Integrated Services Routers] - Cisco Systems

review the manual for this unit to accomplish what is supported by the hardware you have.

Concerning ip addressing if the modem is at 192.168.1.1 you would set the wan interface of the router to 192.168.1.2 with .1 as gateway both with same subnet mask.

For the lan side you can use one of the three private ip ranges [you should know what these are by heart] available EXCEPT 192.168.1.x
 

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Discussion Starter · #3 ·
thanks very much for helping me resolving my issue.

I have on VLAN1 by -default



I still have few questions
Router#show ip interface brief
Interface IP-Address OK? Method Status Protocol
FastEthernet0 unassigned YES unset administratively down down
FastEthernet1 unassigned YES unset administratively down down
BRI0 unassigned YES unset administratively down down
BRI0:1 unassigned YES unset administratively down down
BRI0:2 unassigned YES unset administratively down down
FastEthernet2 unassigned YES unset down down
FastEthernet3 unassigned YES unset up down
FastEthernet4 unassigned YES unset up down
FastEthernet5 unassigned YES unset up down
FastEthernet6 unassigned YES unset up down
FastEthernet7 unassigned YES unset up down
FastEthernet8 unassigned YES unset up down
FastEthernet9 unassigned YES unset up down
Vlan1 unassigned YES unset up down


1) Now which fast ethernet port should I assign to WAN interface?
2)
FastEthernet0 unassigned YES unset administratively down down(192.168.1.2 )
Is that correct ?
3) FastEthernet1 unassigned YES unset administratively down down
10.0.0.0 10.255.255.255()

Is that correct ?

4) FastEthernet3 unassigned YES unset up down (172.16.0.0 – 172.31.255.255)
is that correct ?

Last question do you I have assign any route or default address to VLAN1 ?


I would really highly appreciate if you could guide me ?

Thanks
 
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