DGS-3700-12/DGS-3700-12G Series Layer 2 Gigabit Ethernet Switch User Manual

Figure 3 - 78 CFM Port Settings window

Enter the port list you wish to Enable and click Apply.

CFM CCM PDUs Forwarding Mode

This window is used to configure the CFM CCM PDU forwarding mode on the Switch. By default the CCM message is handled and forwarded by software. The software can handle the packet based on behaviour defined by the standard. Under a strict environment, there may be substantial amount of CCM packets, and it will consume a substantial amount of CPU resources. To meet the performance requirement, the handling of CCM can be changed to hardware mode.

To view this window, click L2 Features > CFM > CFM CCM PDUs Forwarding Mode as shown below:

Figure 3 - 79 CFM CCM PDUs Forwarding Mode window

Use the drop down menu to forward by Software or Hardware and click Apply.

CFM MPs Reply LTRs

This window is used to enable the CFM maintenance point reply Linktrace Response on the Switch. To view this window, click L2 Features > CFM > CFM MPs Reply LTRs as shown below:

Figure 3 - 80 CFM MPs Reply LTRs window

Select Enable or Disable and click Apply.

CFM MIPCCM List

This window is used to display the CFM, maintenance intermediate point and continuity check message on the Switch. To view this window, click L2 Features > CFM > CFM MIPCCM List as shown below:

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D-Link DGS-3700 user manual CFM CCM PDUs Forwarding Mode, CFM MPs Reply LTRs, CFM Mipccm List