MikroTik RouterOS implements Label Distribution Protocol (RFC 3036, RFC 5036) for IPv4. LDP is a protocol defined for distributing labels. It is the set of procedures and messages by which Label Switched Routers (LSRs) establish Label Switched Paths (LSPs) through a network by mapping network-layer routing information directly to data-link layer switched paths.
Max path vector limit used for loop detection. Works in combination with loop-detect property.
transport-address (IP; Default: 0.0.0.0)
Specifies LDP session connections origin address and also advertise this address as transport address to LDP neighbors. If set to 0.0.0.0 highest IP address on the router is used.
use-explicit-null (yes | no>; Default: no)
Whether to distribute explicit-null label bindings.
Interface
Sub-menu:/mpls ldp interface
List of interfaces that connects Label Switching routers.
Properties:
Property
Description
accept-dynamic-neighbors (yes | no; Default: yes)
Defines whether to discover neighbors dynamically or use only statically configured in LDP neighbors menu
comment (string; Default: )
Short description of the item
disabled (yes | no; Default: no)
Defines whether item is ignored or used
hello-interval (time; Default: 5s)
The interval between hello packets that the router sends out this interface.
hold-time (time; Default: 15s)
Specifies the interval after which a neighbor is declared as not reachable.
transport-address (IP; Default: 0.0.0.0)
Used transport address if differs from general settings. If set to 0.0.0.0 transport address from general settings is used.
interface (string; Default: )
Name of the interface on which to run LDP
Neighbors
Sub-menu:/mpls ldp neighbor
Properties
Property
Description
comment (string; Default: )
Short description of the item
disabled (yes | no; Default: no)
Defines whether item is ignored or used
send-targeted (yes | no; Default: yes)
Specifies whether to send targeted hellos, used for targeted (not directly connected) LDP sessions.
transport (IP; Default: )
Transport address used by remote neighbor.
Read-only properties
Property
Description
addresses (IP[,IP[,...]])
List of all IP addresses on LDP neighbor
dynamic (yes | no)
Shows whether item is dynamically created
local-transport (IP)
Transport address used to send messages to the neighbor.
operational (yes | no)
Shows whether item is running
peer (LSR-ID:integer)
Shows remote neighbor's LSR ID and label space.
sending-targeted-hello (yes | no)
Shows whether targeted hellos are sent to the neighbor.
vpls (yes | no)
Shows whether the neighbor is used for VPLS tunnel.
Accept Filters
Sub-menu:/mpls ldp accept-filter
List of label bindings which should be accepted from LDP neighbors.
Properties:
Property
Description
accept (yes | no; Default: yes)
Whether to accept label bindings from the neighbors for specified prefix.
comment (string; Default: )
Short description of the item
disabled (yes | no; Default: no)
Defines whether item is ignored or used
neighbor (all | IP; Default: all)
Neighbor to which this filter applies.
prefix (IP/Mask; Default: 0.0.0.0/0)
Advertise Filters
Sub-menu:/mpls ldp advertise-filter
List of label bindings which should be advertised to LDP neighbors.
Properties:
Property
Description
accept (yes | no; Default: yes)
Whether to advertise label bindings to the neighbors for specified prefix.
