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881G+7-K9 3G modem issue

startx001
Level 1
Level 1

Hi all ,

I can make 3g modem to work , to get ip , or to ping 8.8.8.8

Also on interface cellular 0 i can chose only slip encapsulation. What is the issue ?

here is my config:

chat-script hspa-R7 "" "AT!SCACT=1,1" TIMEOUT 60 "OK"

chat-script 3gdata "" "ATDT*98*1#" TIMEOUT 30 CONNECT

!

controller Cellular 0

!

!

interface Cellular0

description WAN towards MTS

no ip address

ip mtu 1452

encapsulation slip

dialer in-band

dialer string 3gdata

dialer-group 1

async mode interactive

!

interface Dialer1

ip address negotiated

ip mtu 1452

ip nat outside

ip virtual-reassembly in

encapsulation slip

load-interval 30

dialer in-band

dialer idle-timeout 2147483

dialer string 3gdata

dialer-group 1

!

line 3

script dialer 3gdata

login

modem InOut

no exec

transport input all

transport output all

autoselect during-login

autoselect slip

!

ip route 8.8.8.8 255.255.255.255 Dialer1

!

dialer-list 1 protocol ip permit

!

access-list 1 permit any

!

ustanicka#sh cellular 0 network

Current Service Status = Normal, Service Error = None

Current Service = Combined

Packet Service = UMTS/WCDMA (Attached)

Packet Session Status = Inactive

Current Roaming Status = Home

Network Selection Mode = Automatic

Country = SRB, Network = MTS

Mobile Country Code (MCC) = 220

Mobile Network Code (MNC) = 3

Location Area Code (LAC) = 21101

Routing Area Code (RAC) = 1

Cell ID = 32286

Primary Scrambling Code = 140

PLMN Selection = Automatic

Registered PLMN =  , Abbreviated =

Service Provider = mt:s

ustanicka#sh cellular 0 pro    

ustanicka#sh cellular 0 profile

Profile 1 = INACTIVE* **

--------

PDP Type = IPv4

Access Point Name (APN) = gprswap

Authentication = CHAP

Username: mts

Password: 064

  * - Default profile

Configured default profile for active SIM 0 is profile 1.

Thanks

1 Reply 1

Hello.

You configuration is not correct.

You need something like:

interface Cellular0/0
  no ip address
  encapsulation ppp
  load-interval 60
  dialer in-band
  dialer pool-member 1

interface Dialer1
ip address negotiated
  ! ip access-group 100 in

ip nat outside
encapsulation ppp
  dialer pool 1
  dialer string 3gdata

dialer persist

no ip redirects
no ip unreachable
async mode interactive
ppp chap password ...

---

If you are unable to use "encapsulation ppp" under c0 interface - try to update to newer IOS.

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