L
- L2TPv3.
An L2 tunneling protocol that allows the tunneling of Ethernet packets over an L3 IP network.
- label block.
A block of MPLS labels exchanged between two MPLS routers.
- Label Distribution Protocol (LDP).
A standard protocol between MPLS-enabled routers to negotiate the labels (addresses) used to forward packets. The Cisco proprietary version of this protocol is the Tag Distribution Protocol (TDP).
- label switch router (LSR).
Forwards packets in an MPLS network by looking only at the fixed-length label.
- label switched path (LSP).
A path that MPLS packets traverse between two edge LSRs.
- lambda-switch capable (LSC) interfaces.
Interfaces that can forward data based on the wavelength on which it was received. This is typical of optical cross-connects ...
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