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HELP configuring Cellular0 on a Cisco881G

arjun.n
Level 1
Level 1

Hi Team,

I have a Cisco 881G with PCEX-HSPA-3G card for which I have successfully configured for internet.

As the above one has come to end of life, we got the replacement 881G with embedded 3G modem.

I can't get Cellular 0 to use ppp encapsulation:

Router(config-if)#encapsulation ppp

Cellular0: Only SLIP encapsulation supported

Router(config-if)#

This is on a Cisco 881G, the IOS is below

Router#sh ver | in bin

System image file is "flash:c880data-universalk9-mz.151-4.M4.bin"

Router#

Router#

Could you please help me if you found any solution??

Thank You

Arjun

9 Replies 9

Tagir Temirgaliyev
Spotlight
Spotlight

Hi

sorry

not see that the issue of a new version

try another ios

Sandeep Choudhary
VIP Alumni
VIP Alumni

Hi Arjun,

For Cisco 880 series, we need to use IOS 12.4(22)YB1 or above to fully utilize HSPA support.

if you need more info then please check this page:

http://inetpro.org/wiki/Initial_configuration_of_a_881G_router_Cellular_interface

Regards

Hi Sandeep,

Thanks a lot for the reply.

I currently have the C881G+7-K9 with embedded modem where we do not need any express card and just need to insert the SIM card in a slot available behing the router.

So this IOS holds good for this as well?

Arjun

Hi Arjun,

I think this IOS should work.

Please try with this IOS first , if not works then upgrade with new one.

If you have some confusion then please visit this page:

Everyting is step by step:

http://www.davidsudjiman.info/2009/05/29/cisco-881g-and-pcex-3g-hspa-configuration-cheat-sheet/

Please mark answered this question,if you are satisfied with this info.

Regards

Sandeep

Hi Sandeep,

I have seen the link and they are for the old type of 881G routers.

The one I have are with embedded modem.

Arjun

Hi Arjun,

Please check this, may be it helps.

http://www.cisco.com/en/US/docs/routers/access/1800/1861/software/feature/guide/mrwls_evdo.html#wp1496202

SUMMARY STEPS

1. configure terminal

2. interface cellular unit

3. encapsulation ppp

4. ppp chap password 0

5. asynchronous mode interactive

6. ip address negotiated

Dont forget to mark answered this question, if you are satisfied.

Regards

Hi,

Nope, when I enter the "encapsulation ppp" under cellular interface, I get the error message shown in my 1st post.

Can someone help in getting the updated IOS for c880data-universalk9-mz.151-4.M4.bin

Arjun

try to download newest or early ios.

when working with 15th ios the errors are common

Hi,

Tried that but there is no data for the current IOS I am using.

When try to put the IOS in the Cisco Navigator, it gives an error telling there is no version.

Any help

Thank you

Arjun

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