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New Member

4G LTE EHWIC issue

Hello! We have cisco 1921 router with the 4G LTE EHWIC card. We just copied working config from the old cisco 881 router with the 3G HSPA card and it doesn`t connect to ISP network. Error is:

   Inactivity Reason = Activation rejected by GGSN

Also we cant chose PPP encapsulation on cellular interface there is only SLIP. Current configuration is:

...

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

...

interface Cellular0
 no ip address
 encapsulation ppp
 load-interval 60
 dialer in-band
 dialer pool-member 1
 ppp chap refuse
 ppp pap refuse

...

interface Dialer1
 ip address X.X.X.X 255.255.252.0
 encapsulation ppp
 dialer pool 1
 dialer idle-timeout 0
 dialer string hspa-R7 
 dialer persistent
 ppp chap refuse
 ppp pap refuse
 no cdp enable

 

does 4G LTE card have backward comaptibility with 3G or we have configuration error?

 

 

Everyone's tags (1)
1 REPLY
New Member

Hi,

Hi,

for your reference, configure LTE according to below document:

http://www.cisco.com/c/en/us/td/docs/routers/access/interfaces/software/feature/guide/EHWIC-4G-LTESW.html#wp1054291

if you can attach the config i can look into it.

regards,

Shain

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