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Setting Up CFM Default Values
  • 07 Apr 2022
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Contents

Setting Up CFM Default Values

  • Updated on 07 Apr 2022
  • 1 Minute to read
  • Contributors
  • Print
  • PDF
Article summary

For a given VID, the default MHF MD level plus the set of Maintenance Associations that include that VID define the VID's active MD levels. The MD level at which MHFs could be created on a port for a given VID is the VID's lowest active MD level that is higher than any MEP configured on that port. If at this level the VID is attached to an MA, the MA parameters control the MHF creation. If not, the MHF default parameters control the MHF creation.

To set up CFM defaults

  1. Access the page SOAM ▶CFM ▶Defaults.
    A listing of all default parameters is displayed.

  2. Click on a numerical ID number of component ID to edit existing component defaults.

  3. The Detailed SOAM CFM Defaults page appears.

CFM Defaults (SOAM ▶CFM ▶Defaults)

ParameterDescription
Component IdAn unsigned integer identifying the VLAN bridge component in the system.
(Default) MHF MD

Level

The default active MD level used by the MHF creation algorithm when no other lower active MD level applies.
(Default) MHF

Creation

Indicates if the management entity can create MHFs for VIDs on which no Up MEP is configured.

Possible values are:

  • None: No MHFs can be created.
  • Default: Create MHFs if there is no lower active MD level, or if there is a MEP at the next lower active MD level on the component port.
  • Explicit: Create MHFs only if there is a MEP at the next lower active MD level on the component port.
  • Defer: Use the Maintenance Domain parameter to determine whether MHFs can be created.
(Default) MHF Sender

ID Permission

Indicates what, if anything, is to be included in the Sender ID TLV transmitted in CCMs, LBMs, LTMs and LTRs

Possible values are:

  • None: The Sender ID TLV is not to be sent.
  • Chassis: The Chassis ID Length, Chassis ID subtype, and Chassis ID fields of the Sender ID TLV are to be sent.
  • Manage: The Management Address Length and Management Address of the Sender ID TLV are to be sent.
  • Chassis and Manage: The Chassis ID Length, Chassis ID subtype, Chassis ID, Management Address Length, and Management Address fields are all to be sent.

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