Juniper QFX5220, Руководство по оборудованию, Страница: 179 / 247

Description: If you try to configure an even port as 40 Gbps, or if you don’t follow the steps in the procedure
in order, the link won’t come up. If you see the error message below in /var/log/messages the error is likely
due to misconfiguration:
June 4 08:50:59 re0 evo-pfemand[5127]: [Error] BrcmPlusIf: In RTM mode only one
40G port is allowed 8 cable Type 125
You can correct the configuration by following these steps:
1. Delete the port speed configuration and commit the configuration:
# delete chassis fpc 0 pic 0 port port-number speed 40g
# commit
2. Delete the unused port configuration and commit the configuration:
# delete chassis fpc 0 pic 0 port port-1 unused
# commit
3. Verify the desired port can be configured as 40 Gbps (see Table 8 on page 34 ) and perform the steps
described in “Port Configurations” on page 34 .
How to Troubleshoot QFX5220-128C Channelization Problems
Problem
Description: If you try to configure an ineligible port as channelized, or if you don’t follow the steps in the
procedure in order, the link won’t com up, or only one sub-port interface is created. For example, in the
output below from show chassis interfaces, there is only one sub-port created on et-0/0/20:
...
et-0/0/20:0 up down. # Only channel 0 is created. Channels 1-3 are
not created.
et-0/0/21 up up
et-0/0/22 up up
et-0/0/23 up down
...
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