Optional) Setting The Maximum Size Of An Efm Oampdu; Enabling Efm Oam On An Interface - Huawei Quidway S6700 series Configuration Manual

Quidway S6700 Series Ethernet Switches
Configuration Guide - Reliability
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4.3.4 (Optional) Setting the Maximum Size of an EFM OAMPDU

You can configure the largest size of EFM OAMPDUs. On the current interface, the EFM
OAMPDUs whose sizes exceed the set size are regarded as illegal and thus discarded.
Context
Do as follows on the devices at both ends of the link:
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
interface interface-type interface-number
The interface view of an interface at one end of the link is displayed.
Step 3 Run:
efm packet max-size size
The maximum size of an EFM OAMPDU is set.
By default, the maximum size of an EFM OAMPDU on an interface is 128 bytes.
EFM OAMPDUs longer than 128 bytes are discarded as invalid packets.
If the maximum size of an EFM OAMPDU on both interfaces of the link is configured
differently, the two interfaces negotiate and determine the value during the OAM discovery
process. The smaller maximum size of an EFM OAMPDU set on the local interface and the peer
is selected.
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4.3.5 Enabling EFM OAM on an Interface

You can perform point-to-point EFM link detection only after enabling EFM OAM on interfaces
on both ends of a link.
Context
Do as follows on the devices at both ends of the link:
Procedure
Step 1 Run:
Issue 01 (2011-07-15)
NOTE
You must run the bpdu enable command on the interface configured with EFM OAM to enable the BPDU
tunnel function; otherwise, OAM PDUs are discarded. By default, the BPDU tunnel function is enabled
on an interface.
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