D-Link DGS-3630-52PC Quick installation Guide - Page 604
Forwarding Equivalence Class and NHLFE stands for Next Hop Label Forwarding Entry. At the ingress Label Edge
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DGS-3630 Series Layer 3 Stackable Managed Switch Web UI Reference Guide The Static FTN Settings section is used to add or delete a static FEC-To-NHLFE Map (FTN) entry. FEC stands form Forwarding Equivalence Class and NHLFE stands for Next Hop Label Forwarding Entry. At the ingress Label Edge Router (LER), the incoming IP packets that are classified to the Forwarding Equivalence Class (FEC) will be pushed with the MPLS label and forwarded to the next hop according to the FEC-to-NHLFE (FTN). The Static ILM Settings section is used to add a static Incoming Label Map (ILM) entry. At LSR, the incoming MPLS packets that are matched to the incoming label will be processed according configured ILM action. The label operation is either swapping the incoming top label to configured outgoing label or popping the top label and then forwards the packets to the next-hop. To view the following window, click MPLS > MPLS Forwarding Settings, as shown below: Figure 11-3 MPLS Forwarding Settings Window The fields that can be configured for Static FTN Settings are described below: Parameter FEC Mask Out Label Next Hop Description Enter the FEC IPv4 address of the static FTN here. Enter the FEC subnet mask of the static FTN here. Enter the out label value for this FEC here. The range is from 0 to 999. Enter the next hop IPv4 address of this FEC here. Click the Apply button to accept the changes made. Click the Delete by IP button to delete the specified entry based on the IP address entered. Click the Delete All button to delete all the entries. The fields that can be configured for Static ILM Settings are described below: Parameter In Label Forward Action Swap Label Next Hop FEC Description Enter the incoming label value of the ILM here. The range is from 0 to 999. Select the forward action that will be taken here. Options to choose from are Swap Label and Pop. After selecting to use the Swap Label forward action, enter the swap label value here. The range is from 0 to 999. After selecting to use the Swap Label forward action, enter the next hop IPv4 address of the FEC here. Enter the FEC IPv4 address that will be associated with the ILM here. 592