Cisco MGX 8830, Руководство по настройке

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Cisco MGX 8850 (PXM1E/PXM45), Cisco MGX 8950, Cisco MGX 8830, and Cisco MGX 8880 Configuration Guide
Release 5.0.10, OL-3845-01 Rev. B0, August 16, 2004
Chapter 5 Preparing SRM Cards for Communications
Setting Up SRM Lines
If you are configuring a Cisco MGX 8850 (PXM1E/PXM45) switch, replace X with 15 for an SRME in
the upper bay, or 31 for an SRME in the lower bay. If you are configuring a Cisco MGX 8830 switch,
replace X with 7. SRME provides one line, so the line number is always one as shown in the following
example:
PXM1E_SJ.8.PXM.a > dspln -sonet 31.1
Line Number : 31.1
Admin Status : Up
Loopback : NoLoop APS enabled : Disable
Frame Scrambling : Enable RDI-V Type : one bit
Xmt Clock source : localTiming RDI-P Type : one bit
Line Type : sonetSts3 VT Type : vt15/vc11
Medium Type(SONET/SDH) : SONET VT Mapping Type : asynchronous
Medium Time Elapsed : 508 VT Framing Type : N/A
Medium Valid Intervals : 0 VT Signalling Mode : N/A
Medium Line Type : ShortSMF VT Grouping Type : N/A
Step 3 To configure a SONET or SDH line, enter the cnfln command as follows:
mgx8830b.1.PXM.a > cnfln -sonet < X .1> -slt < LineType > - clk < clockSource >
-
lpb <loopback>
-sfs <FrameScramble> -rdiv <RDI-V Type> -rdip <RDI-P Type> -tt <Tributary Type> -tm
<TributaryMappingType> -tf <TributaryFramingType> -st <SignallingTranportMode> -tg
<TributaryGroupingType>
Remember that you cannot configure a line until you have brought it up as described in the previous
section, “
Bringing Up Lines .” Table 5-1 lists the parameter descriptions for configuring SONET and
SDH lines.
Table 5-1 Parameters for SONET Line Configuration
Parameter Description
X.1 Replace X with 15 if you are configuring an SRM in the upper
bay, or replace it with 31 if you are configuring an SRM in
the lower bay.
The number 1 represents the one and only line on an SRME
card.
-slt Optical line type. Replace < LineType> with 1, to specify
SONET, or replace < LineType> with 2 to specify SDH.
-clk The -clk option selects the primary source timing for
transmitting messages over the line. Replace <clockSource>
with 1 to use the clock signal received over this line from a
remote node, or specify 2 to use the local timing defined for
the local switch.
Note
On SRME/B cards, when the selected primary source
timing is not operating properly, the SRME/B will
use the other timing option. For example, if you select
option 1 as the primary source, option 2 will be the
secondary source and will be used when the option 1
timing fails.
For information on defining the clock source for the local
switch, see the “
Managing the Time of Day Across the
Network Using SNTP ” section in Chapter 9, “Switch
Operating Procedures.”