Cisco Back-to-Back T1 Interface Configuration: Difference between revisions

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You should now have a Serial0/0/0:0 interface and/or Serial0/0/1:0 interface which you can assign an IP address to and use as with any normal serial interface, make sure to include the :0 on the end of the interface though.
You should now have a Serial0/0/0:0 interface and/or Serial0/0/1:0 interface which you can assign an IP address to and use as with any normal serial interface, make sure to include the :0 on the end of the interface though.
'''Note: You need to adjust multiple lines of this configuration for the correct slot numbering on the router you are working on. In particular our 1900 series routers have serial cards in slot 0 subslot 0 and our 4000 series routers have cards in slot 0 subslot 1.'''
=Sample Two Card Configuration=
=Sample Two Card Configuration=
DCE IS S/0/0/0 AND DTE IS S0/0/1
'''Note: You need to adjust multiple lines of this configuration for the correct slot numbering on the router you are working on. In particular our 1900 series routers have serial cards in s0/0 and our 4000 series routers have cards in s0/1.'''
 
==DCE IS S/0/0/0 AND DTE IS S0/0/1==


  card type t1 0 0
  card type t1 0 0
Line 34: Line 38:
  linecode b8zs
  linecode b8zs


DTE IS S0/0/0 AND DCE IS S0/0/1
==DTE IS S0/0/0 AND DCE IS S0/0/1==


  card type t1 0 0
  card type t1 0 0
Line 48: Line 52:
  linecode b8zs
  linecode b8zs


====4000 Series routers use slightly different hardware nomenclature====
==DCE IS S0/1/0 AND DTE IS S0/1/1==
 
DCE IS S/0/1/0 AND DTE IS S0/1/1


  card type t1 0 1
  card type t1 0 1
Line 64: Line 66:
  linecode b8zs
  linecode b8zs


DTE IS S0/1/0 AND DCE IS S0/1/1
==DTE IS S0/1/0 AND DCE IS S0/1/1==


  card type t1 0 1
  card type t1 0 1

Latest revision as of 17:15, 13 September 2020

Background Information

Step Instruction Command Example
1 Set the card to T1 mode card type t1 slot subslot card type t1 0 0
2a Set the clock source to internal (on each DCE port) controller t1 slot/subslot/port
clock source internal		 controller t1 0/0/0
clock source internal
2b Set the clock source to line (on each DTE port) controller t1 slot/subslot/port
clock source line		 controller t1 0/0/1
clock source line
3 Set the channel group 0 to include all 24 T1 timeslots controller t1 slot/subslot/port
channel-group 0 timeslots 1-24		 controller t1 0/0/0
channel-group 0 timeslots 1-24
4 Set the port framing to esf controller t1 slot/subslot/port
framing esf		 controller t1 0/0/0
framing esf
5 Set the linecode to b8zs controller t1 slot/subslot/port
linecode b8zs		 controller t1 0/0/0
linecode b8zs

You should now have a Serial0/0/0:0 interface and/or Serial0/0/1:0 interface which you can assign an IP address to and use as with any normal serial interface, make sure to include the :0 on the end of the interface though.

Note: You need to adjust multiple lines of this configuration for the correct slot numbering on the router you are working on. In particular our 1900 series routers have serial cards in slot 0 subslot 0 and our 4000 series routers have cards in slot 0 subslot 1.

Sample Two Card Configuration

Note: You need to adjust multiple lines of this configuration for the correct slot numbering on the router you are working on. In particular our 1900 series routers have serial cards in s0/0 and our 4000 series routers have cards in s0/1.

DCE IS S/0/0/0 AND DTE IS S0/0/1

card type t1 0 0
controller t1 0/0/0
clock source internal
chan 0 time 1-24
framing esf
linecode b8zs
controller t1 0/0/1
clock source line
chan 0 time 1-24
framing esf
linecode b8zs

DTE IS S0/0/0 AND DCE IS S0/0/1

card type t1 0 0
controller t1 0/0/0
clock source line
chan 0 time 1-24
framing esf
linecode b8zs
controller t1 0/0/1
clock source internal
chan 0 time 1-24
framing esf
linecode b8zs

DCE IS S0/1/0 AND DTE IS S0/1/1

card type t1 0 1
controller t1 0/1/0
clock source internal
chan 0 time 1-24
framing esf
linecode b8zs
controller t1 0/1/1
clock source line
chan 0 time 1-24
framing esf
linecode b8zs

DTE IS S0/1/0 AND DCE IS S0/1/1

card type t1 0 1
controller t1 0/1/0
clock source line
chan 0 time 1-24
framing esf
linecode b8zs
controller t1 0/1/1
clock source internal
chan 0 time 1-24
framing esf
linecode b8zs
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