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Configuring T1 and E1 Trunk Modules
Configuring T1 or E1 module connections
admin> set line-config nailed-group = 851
admin> set enabled = yes
admin> write
DS1-ATM/{ shelf-1 trunk-module-2 3 } written
3
Create an IMA group.
The administrator creates an imagroup profile named ima. When the profile is
written, the system inactivates the UNI ports on the DS1 links and creates an
IMA group consisting of those links.
admin> new imagroup ima1
IMAGROUP/ima1 read
admin> set active = yes
admin> set nailed = 851
admin> write
IMAGROUP/ima1 written
4
Create a connection profile.
The administrator creates a connection profile to link the ADSL port (nailed
group 9) with the IMA group (nailed group 851). A VPI of 0, a VCI of 40, and the
default encapsulation method atm-circuit are used.
admin> new connection ima-conn
CONNECTION/ima-conn read
admin> set active = yes
admin> set atm-options nailed = 9
admin> set atm-options vpi = 0
admin> set atm-options vci = 40
admin> set atm-connect = 851
admin> set atm-connect vpi = 0
admin> set atm-connect vci = 40
admin> write
CONNECTION/ima-conn written
Note
If necessary, different VIP-VCI settings can be used in the connection profile.
To modify the VIP-VCI values for the ADSL port, change the settings of the
atm-options vpi and vci parameters. To modify the VPI-VCI values for the T1 or E1
interface, change the settings of the atm-connect vpi and vci parameters. For
additional information, see the Stinger ATM Configuration Guide.
Typical return to UNI configuration from IMA
To return to a UNI configuration after an IMA configuration has been in use, you
must take the following actions:
Disable or delete the IMA group.
Assign unique nailed group numbers to the DS1-ATM profiles.
Disable and re-enable the DS1 lines, so that the new settings will take effect.
The following example illustrates how an IMA group, named ima1, with three DS1
lines is dismantled:
1
Disable the IMA group.
admin> read imagroup ima1
IMAGROUP/ima1 read
admin> set active = no
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Stinger® MRT Getting Started Guide
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