11th Lecture - Networking

[k2s]

Configuration;

[b] Allowing internal users to access internet[/b]

Assuming, you want NAT to allow certain devices (the first 31 from each subnet) on the inside to originate communication with devices on the outside by translating their invalid address to a valid address or pool of addresses. The pool has been defined as the range of addresses 172.16.10.1 through 172.16.10.63.
[img]http://www.cisco.com/image/gif/paws/13772/12b.gif[/img]

[k2s]

[quote name='k2s' timestamp='1318286834' post='2969752']
Configuration;

[b] Allowing internal users to access internet[/b]

Assuming, you want NAT to allow certain devices (the first 31 from each subnet) on the inside to originate communication with devices on the outside by translating their invalid address to a valid address or pool of addresses. The pool has been defined as the range of addresses 172.16.10.1 through 172.16.10.63.
[img]http://www.cisco.com/image/gif/paws/13772/12b.gif[/img]
[/quote]

interface ethernet 0
ip address 10.10.10.1 255.255.255.0
ip nat inside
[i]
[color="#0000ff"]!--- Defines Ethernet 0 with an IP address and as a NAT inside interface.[/color]
[/i]

interface ethernet 1
ip address 10.10.20.1 255.255.255.0
ip nat inside
[i]
[color="#0000ff"]!--- Defines Ethernet 1 with an IP address and as a NAT inside interface.[/color]
[/i]

interface serial 0
ip address 172.16.10.64 255.255.255.0
ip nat outside
[i]
[color="#0000ff"]!--- Defines serial 0 with an IP address and as a NAT outside interface.[/color]
[/i]

ip nat pool no-overload 172.16.10.1 172.16.10.63 prefix 24
!
[i]
[color="#0000ff"]!--- Defines a NAT pool named no-overload with a range of addresses
!--- 172.16.10.1 - 172.16.10.63.[/color]
[/i]

ip nat inside source list 7 pool no-overload
!
!
[i]
[color="#0000ff"]!--- Indicates that any packets received on the inside interface that
!--- are permitted by access-list 7 has
!--- the source address translated to an address out of the
!--- NAT pool "no-overload".[/color]
[/i]

access-list 7 permit 10.10.10.0 0.0.0.31
access-list 7 permit 10.10.20.0 0.0.0.31
[i]
[color="#0000ff"]!--- Access-list 7 permits packets with source addresses ranging from
!--- 10.10.10.0 through 10.10.10.31 and 10.10.20.0 through 10.10.20.31.[/color]
[/i]

[k2s]

[color=#00ff00][size=8]ANY DOUBTS[/size][/color]

[k2s]

[robo]

GP

[ding]

netmask ela use chestaru???

[Bhayya]

What is networking? What does a networking guy do? Where does the end used use his work? Ivvi cheppu bhayya eppudu ayina..

[Bhayya]

[quote name='shakkku' timestamp='1318560892' post='2987038']
netmask ela use chestaru???
[/quote]

u mabbu [img]http://i55.tinypic.com/346nink.gif[/img]

[ding]

[quote name='subba rav' timestamp='1318561001' post='2987051']

u mabbu [img]http://i55.tinypic.com/346nink.gif[/img]
[/quote]

daantlo antha navadaanikemundi

[Bhayya]

[quote name='shakkku' timestamp='1318561629' post='2987119']

daantlo antha navadaanikemundi
[/quote]

maa mabbu ve naa ani navvutunna [img]http://i55.tinypic.com/346nink.gif[/img]

[k2s]

[quote name='subba rav' timestamp='1318560978' post='2987046']
What is networking? What does a networking guy do? Where does the end used use his work? Ivvi cheppu bhayya eppudu ayina..
[/quote]

uhmm

[k2s]

[quote name='shakkku' timestamp='1318560892' post='2987038']
netmask ela use chestaru???
[/quote]

refer my previous lectures