H3C Technologies H3C SecBlade NetStream Cards - Manual (Page 201)

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If you repeatedly insert and remove different subcards or interface cards to create or delete a large
number of logical interfaces, the interface indexes will be used up, which will result in interface creation
failures. To avoid such a case, you can clear all 16-bit interface indexes saved but not used in the current
system in user view.
After the preceding operation,
• For a re-created interface, the new interface index might not be consistent with the original one.
• For existing interfaces, their interface indexes remain unchanged.
Follow these steps to clear the 16-bit interface indexes not used in the current system:
To do… Use the command… Remarks
Clear the 16-bit interface indexes
saved but not used in the current
system
reset unused porttag
Required
Available in user view.
CAUTION:
A confirmation is required when you execute this command. If you fail to make a confirmation within 30
seconds or enter N to cancel the operation, the command will not be executed.
Identifying and diagnosing pluggable transceivers
Introduction to pluggable transceivers
Table 14 lists of the commonly used pluggable transceivers. They can be further divided into optical
transceivers and electrical transceivers based on transmission medium.
Table 14 Commonly used pluggable transceivers
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