H3C Technologies H3C SecPath F1000-E - Manual (Page 92)

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Clearing unused 16-bit interface indexes
The firewall must maintain persistent 16-bit interface indexes and keep one interface index match one
interface name for network management. After deleting a logical interface, the firewall retains its 16-bit
interface index so the same index can be assigned to the interface at interface re-creation.
To avoid index depletion causing interface creation failures, you can clear all 16-bit indexes that have
been assigned but not in use. The operation does not affect the indexes of the interfaces that have been
created but the indexes assigned to re-recreated interfaces might change.
A confirmation is required when you execute this command. The command does not run if you fail to
make a confirmation within 30 seconds or enter N to cancel the operation.
To clear unused 16-bit interface indexes, perform the following task in user view:
Task Command
Clear unused 16-bit interface
indexes.
reset unused porttag
Verifying and diagnosing transceiver modules
Table 15 lists of the commonly used transceiver modules. They can be further divided into fiber
transceiver modules and copper transceiver modules based on transmission medium.
Table 15 Commonly used transceiver modules
Transceiver type
Application
environment
Whether can be an
optical transceiver
Whether can be an
electrical transceiver
SFP (Small Form-factor
Pluggable)
Generally used for
100M/1000M Ethernet
interfaces or POS
155M/622M/2.5G
interfaces
Yes Yes
SFP+(Enhanced 8.5 and
10 Gigabit Small
Form-factor Pluggable)
Generally used for 10G
Ethernet interfaces
Yes Yes
GBIC (Gigabit Interface
Converter)
Generally used for
1000M Ethernet
interfaces
Yes Yes
XFP (10-Gigabit small
Form-factor Pluggable) Generally used for 10G
Ethernet interfaces
Yes No
XENPAK (10-Gigabit
Ethernet Transceiver
Package)
Generally used for 10G
Ethernet interfaces
Yes Yes
Verifying transceiver modules
You can verify the genuineness of a transceiver module in the following ways: