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New Member

enable controller e1 and serial 0/0 on cisco 1841

i am unable to configure controller e1 interface on a new cisco 1841 router.

i am trying to configure a serial interface but the option is not there too.

IOS - Version 12.4(15)T7

what could be the reason ?

yourname(config)#contro

yourname(config)#

i do not see the controller options there.

5 REPLIES
Silver

Re: enable controller e1 and serial 0/0 on cisco 1841

Hi

Did you check the IOS which is present in router supports controller command.

Can you send us show run output.

Thanks,

Satish

Re: enable controller e1 and serial 0/0 on cisco 1841

don't you first have to enable the card?

card type e1 0 0 (if it's in slot 0/0)

Silver

Re: enable controller e1 and serial 0/0 on cisco 1841

Hi

Below images supprots T1/ E1 options.

12.4(11)XW9 c1841-ipbasek9-mz.12.4-11.XW9

12.4(11)XJ4

c1841-ipbasek9-mz.12.4-11.XJ4

12.4(6)XE3

c1841-ipbasek9-mz.12.4-6.XE3

12.4(2)XA

c1841-ipbasek9-mz.12.4-2.XA

12.4(22)T

c1841-ipbasek9-mz.12.4-22.T

12.4(21a)

c1841-ipbasek9-mz.12.4-21a

12.3(11)YZ2

c1841-ipbase-mz.12.3-11.YZ2

Cheers ,

Satish

New Member

Re: enable controller e1 and serial 0/0 on cisco 1841

managed to solve the problem after i add

card type e1 0 0

then the controller option appears

controller e1 0/0/0.

didnt know that i need the card type option.

Re: enable controller e1 and serial 0/0 on cisco 1841

yes indeed, as I thought (see above)

If you insert for example a VWIC, you first need to enable the card

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