Upgrade MPT-HL to MPT-HL L1 LAG port
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WebEML User Manual
1. Verify that the NE is running R3.4.0 or higher software version.
2. Verify the MPT-HL radio channel is alarm/condition free and error free on both
the near and far ends of the radio hop.
3. Verify there are no unexpected and unexplained alarm/abnormal conditions
declared on the MSS-4/8 shelf supporting both the near and far ends of the radio
direction.
4. Verify that ninety-five percent of the MPT-HL radio channel bandwidth is
sufficient to support the existing cross-connected services when configured in
an L1 LAG port.
5. Perform a database backup. See MIB database management (backup and
restore) for a detailed procedure to perform a database backup.
6. If radio channel is configured in 1+1 HSB/FD configuration, verify that the radio
link is active on the main radio hop on both the near and far ends of the radio
link for the following:
− Equipment Protection Switching (EPS)
− Hot StandBy (HSB)
− Rx Radio (RPS)
7. If radio channel is configured in 1+1 HSB/FD configuration, perform Lockout
protection switch for the following:
− Equipment Protection Switching (EPS)
− Hot StandBy (HSB)
− Rx Radio (RPS)
8. If MPT-HL radio interface is configured for 1+1 FD, and the desired configuration
is 2+0 L1 LAG port, downgrade radio protection to 1+0. See Upgrade and
downgrade protection for a detailed procedure.
Caution: The following Cautions apply:
•This is an In-Service procedure.
•Upgrading an MPT-HL radio port to a L1 LAG port with cross-connections in
excess of the supported Max User Bandwidth will result in a loss of services on
all cross-connected services associated with the L1 LAG port.
•Migration to L1 LAG port impacts TDM2TDM and TDM2ETH traffic on a per
flow-id basis. Typical impact to traffic is less than 10 seconds for each
cross-connection.
Note: To complete the upgrade to MPT-HL L1 LAG Port, this procedure must be
performed on both ends of the radio direction.
Release 7.0.0 3DB 19286 ACAA Issue 01
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