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PMC-CGM Installation and Use (6806800D53C)
Access and Configuration Perform Firmware/Software Upgrade
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7. For the T4 path, repeat steps 5 and 6 with the cgmT4InputPriority object
OID:.1.3.6.1.4.1.3656.8152.1.1.1.1.5.<instance number which is equal to input
number -1>.
8. Go to cgmInputRefASource object OID:.1.3.6.1.4.1.3656.8152.1.4.16.0.
9. Select the source (chassis) of the primary linecard derived reference clock.
The following values are possible:
local reference A (0) - default value
local reference B (1)
Chassis 2 reference A (2)
Chassis 2 reference B (3)
Chassis 3 reference A (4)
Chassis 3 reference B (5)
10.Go to cgmInputRefBSource object OID:.1.3.6.1.4.1.3656.8152.1.4.18.0.
11.Select the source of the "secondary" linecard derived reference clock (REFB input
to PLL). Not relevant for distributed mode.
local reference A (0)
local reference B (1) - default value
Chassis 2 reference A (2)
Chassis 2 reference B (3)
Chassis 3 reference A (4)
Chassis 3 reference B (5)
4.4.8 Perform Firmware/Software Upgrade
You can upgrade the firmware/software of the PMC-CGM via the MIB. The firmware/software
upgrade is done by downloading an image from a TFTP server and programming it into the
inactive partition of the boot flash (that means not the one which is currently running) which is
split into two partitions of 32MB each. By default, only one of the two partitions (the active
partition) is accessible.
Upgrading the firmware/software
To upgrade the firmware/software, proceed as follows:
1. Start SNMP manager or MIB browser.
2. Connect to the PMC-CGM using one of its IP addresses.
3. Go to object cgmFwUpdateHost OID: .1.3.6.1.4.1.3656.8152.1.3.26.0.
4. Enter the IP address of the TFTP server that contains the new image.
5. Go to object cgmFwUpdateFile OID:.1.3.6.1.4.1.3656.8152.1.3.27.0.
6. Enter the file that contains the new image.
7. Go to object cgmFwUpdateMd5 OID:.1.3.6.1.4.1.3656.8152.1.3.28.0.