Cisco ASR 1000 Series

PurposeCommand or Action
• vt-15—A STS-1 is divided into seven Virtual Tributary Groups (VTG).
Each VTG is then divided into four VT1.5’s, each carrying a T1.
Configures the clocking source, where:
Router(config-ctrlr-sts1)# t1 t1# clock
source {internal | line}
Step 4
• t1#—Number indicating the T1 channel.
Example:
• internal—Specifies that the internal clock source is used.
• line—Specifies that the network clock source is used. This is the default.
Enables the one-second transmission of the remote performance reports using
Facility Data Link (FDL), where:
Router(config-ctrlr-sts1)# t1 t1# fdl
ansi
Step 5
• t1#—Number indicating the T1 channel.
• fdl ansi—Specifies FDL and ANSI T1.403 standard.
Without this command, FDL runs in ATT, the default mode. ATT is the AT&T
TR54016 standard.
Specifies the type of framing, where:Router(config-ctrlr-sts1)# t1 t1#
framing {sf | esf}
Step 6
• t1#—Number indicating the T1 channel.
• sf— Specifies that Super Frame (SF) is used as the T1 framing type.
• esf—Specifies that Extended Super Frame (ESF) is used as the T1 framing
type.
Enables detection and generation of DS1 yellow alarms, where:
Router(config-ctrlr-sts1)# t1 t1# yellow
{detection | generation}
Step 7
• detection—Detects yellow alarms.
• generation—Generates yellow alarms.
Configures a T1 or E1 interface, where:
Router(config-ctrlr-sts1)# t1 t1#
channel-group channel-group#
Step 8
• t1#—Number indicating the T1 channel.
timeslots list-of-timeslots speed [56 |
64]
• channel-group#—Specifies the channel-group number, from 0 to 23.
• list-of-timeslots—Specifies one or more time slots.
• speed [56 | 64]—(Optional) Specifies the line speed in kilobits per second.
Valid values are 56 and 64.
Enables specific t1 channels to loopback, where:
Router(config-ctrlr-sts1)# t1 t1#
loopback [local | network {line |
Step 9
• t1#—Number indicating the T1 channel.
payload} | remote {line {fdl {ansi |
bellcore} | inband} | payload [fdl]
[ansi]}]
• local loopback—(Optional) Loops data from the transmit path to the receive
path.
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS
XE Everest 16.5
300 OL-14127-17
Configuring the 1-Port Channelized OC-3/STM-1 SPA and 1-Port Channelized OC-12/STM-4 SPA
Required Configuration Tasks