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MIB Reference

AR100-S, AR110-S, AR120-S, AR150-S, AR160-S, AR200-S, AR1200-S, AR2200-S, and AR3200-S V200R009

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The mplsTunnelARHopTable is used to indicate the hops for an MPLS tunnel defined in mplsTunnelTable, as reported by the MPLS signaling protocol. Thus at a transit LSR, this table (if the table is supported and if the signaling protocol is storing actual route information) contains the actual route of the whole tunnel. If the signaling protocol is not storing the actual route, this table MAY report the information from the mplsTunnelHopTable or the mplsTunnelCHopTable.

Each row in this table is indexed by mplsTunnelARHopListIndex. Each row also has a secondary index mplsTunnelARHopIndex, corresponding to the next hop that this row corresponds to.

Please note that since the information necessary to build entries within this table is not provided by some MPLS signaling protocols, implementation of this table is optional. Furthermore, since the information in this table is actually provided by the MPLS signaling protocol after the path has been set up, the entries in this table are provided only for observation, and hence, all variables in this table are accessible exclusively as Read-only.

Note also that the contents of this table may change while it is being read because of re-routing activities. A network administrator may verify that the actual route read is consistent by reference to the mplsTunnelLastPathChange object.

The index of this table is mplsTunnelARHopListIndex and mplsTunnelARHopIndex


Object Name


Max Access


Implemented Specifications




Primary index into this table identifying a particular recorded hop list.

This object is implemented as defined in the corresponding MIB files.




Secondary index into this table identifying the particular hop.

This object is implemented as defined in the corresponding MIB files.




The Hop Address Type of this tunnel hop. Note that lspid (5) is a valid option only for tunnels signaled via CRLDP.

The default value is ipv4.

This object is implemented as defined in the corresponding MIB files.




The Tunnel Hop Address for this tunnel hop. The type of this address is determined by the value of the corresponding mplsTunnelARHopAddrType.

If mplsTunnelARHopAddrType is set to unnum (4), then this value contains the LSR ID of the unnumbered interface. Otherwise the agent SHOULD set this object to the zero-length string and the manager should ignore this object.

The default value is 0x00000000.

This object is implemented as defined in the corresponding MIB files.

Creation Restriction

The entries of this table cannot be created.

Modification Restriction

The entries of this table cannot be modified.

Deletion Restriction

The entries of this table cannot be deleted.

Access Restriction

To access this table, there must be a tunnel that passes through the device, and the tunnel is configured with mpls te record-route.

Updated: 2019-07-19

Document ID: EDOC1000174090

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