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Shankar Nandy Posted on Mar 23, 2017
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HI, I have a cisco 1841 router. I have given the configuration below ! interface FastEthernet0/0 description *** Connected to LAN *** ip address 192.168.1.1 255.255.255.0 ip nat inside ip virtual-reassembly speed auto full-duplex ! interface FastEthernet0/1 description *** Connected to F@H *** ip address 10.13.10.9 255.255.255.252 ip nat outside ip virtual-reassembly speed auto full-duplex ! ip forward-protocol nd ! ! no ip http server ip route 0.0.0.0 0.0.0.0 10.13.10.10 ! Now my question is in this situation is it possible to ping 10.13.10.9 from any of my LAN PC's. In this situation if I need to ping outside interface IP what should I need to change.I don't need to do NAT. Please advice

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Vladimir Frolov

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  • Cisco Master 2,075 Answers
  • Posted on Mar 27, 2017
Vladimir Frolov
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Change subnet to 255.255.255.0 on every pc connected

5 Related Answers

Anonymous

  • 382 Answers
  • Posted on Jul 29, 2008

SOURCE: cisco router 1841 connected to serial interface

Hello,
Theres no need to setup for the nat but please check the wan interface and subnet mask ip it has to something else and not 255.255.255.252..Try 255.255.255.240 it must work...

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dervari

  • 7 Answers
  • Posted on Feb 23, 2009

SOURCE: Cisco 1841 router

You can ID the cards by seeing if the card has "V2" on the metal plate. I believe an 1800 chasis requires a V2 card.

Anonymous

  • 39 Answers
  • Posted on Oct 06, 2009

SOURCE: Cisco 1841 Freezing at System Configuration Dialog

try power off the router.

turn it back on..check IOS version.

if it is old version..upgrade it then.

Anonymous

  • 30 Answers
  • Posted on Dec 05, 2009

SOURCE: change IP address of Cisco 1841

once in enable mode, goto config mode. then select interface, i.e. f0/0 and then type in the following:
ip address x.x.x.x y.y.y.y where x is your IP address you wish to have and y is the subnet mask
example below:

router#config t
router(config)#int f0/0
router(config-if)ip address 10.0.0.1 255.255.255.0

hope this helps!

Anonymous

  • 81 Answers
  • Posted on Jan 01, 2010

SOURCE: I have cisco 1841 router stuck at Rommon> only

what shows the following?

dir flash: If IOS is ok the follow the below step The router will guide you through changing the registry. You want to press y to chang the configuration. The only other change you need to make is the change to the console baud rate, set that to 7 (115200).

do you wish to change the configuration? y/n [n]: y
enable "diagnostic mode"? y/n [n]:
enable "use net in IP bcast address"? y/n [n]:
enable "load rom after netboot fails"? y/n [n]:
enable "use all zero broadcast"? y/n [n]:
disable "break/abort has effect"? y/n [n]:
enable "ignore system config info"? y/n [n]:
change console baud rate? y/n [n]: y
enter rate: 0 = 9600, 1 = 4800, 2 = 1200, 3 = 2400
4 = 19200, 5 = 38400, 6 = 57600, 7 = 115200 [0]: 7
change the boot characteristics? y/n [n]:

Configuration Summary
enabled are:
break/abort has effect
console baud: 115200
boot: the ROM Monitor

do you wish to change the configuration? y/n [n]:
You must reset or power cycle for new config to take effect.

rommon 2>

3. When you reset the router in your console window you will see characters that you cannot read. You have to stop the session and set your baud rate to 115200. This will let you increase the speed that you use to transfer the file.
4. At the rommon prompt enter xmodem -c {filename}
5. When prompted, enter y to continue
6. From your hyperterminal prompt, click on transfter then send file
7. Select the IOS image then change the protocol to xmodem via the dropdown box then click send.
8. After the IOS has been downloaded, change the boot order by using the confreg 0x2102 command.

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Change IP address of Cisco 1841

once in enable mode, goto config mode. then select interface, i.e. f0/0 and then type in the following:
ip address x.x.x.x y.y.y.y where x is your IP address you wish to have and y is the subnet mask
example below:

router#config t
router(config)#int f0/0
router(config-if)ip address 10.0.0.1 255.255.255.0

hope this helps!
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