Alcatel-Lucent 7450 Configuration Manual page 136

Router Global Commands
tunnel-next-hop
Syntax tunnel-next-hop
Context config>router>static-route-entry
Description
disallow-igp
Syntax disallow-igp
no disallow-igp
Context config>router>static-route-entry>tunnel-next-hop
Description This command is for indirect static routes using tunnel next-hops. When enabled, the static route will
not be activated using IGP next-hops in RTM if no tunnel next-hops are found in TTM.
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This command enables the context to configure the resolution of a static route prefix to an
indirect tunnel next-hop.
The existing static-route command is still supported with all other options, including the
indirect option which can be used to resolve the indirect next-hops in RTM.
The new command is an add-on to configure the resolution to tunnel next-hops in TTM. As such,
the user must first configure the prefix with the existing command and the indirect option and
then enter the new command with the indirect option and with the new static-route-entry
command.
If tunnel-next-hop context is configured and resolution is set to disabled, the binding to tunnel
is removed and resolution resumes in RTM to IP next-hops.
If resolution is set to any, any supported tunnel type in static route context will be selected
following TTM preference.
The following tunnel types are supported in a static route context: RSVP and LDP.
The ldp value instructs the code to search for an LDP LSP with a FEC prefix corresponding to
the address of the indirect next-hop.
The rsvp value instructs the code to search for the best metric RSVP LSP to the address of the
indirect next-hop. This address can correspond to the system interface or to another loopback
used on the remote node. The LSP metric is provided by MPLS in the tunnel table. In the case of
multiple RSVP LSPs with the same lowest metric, the code selects the LSP with the lowest
tunnel-id.
If one or more explicit tunnel types are specified using the resolution-filter option, then only
these tunnel types will be selected again following the TTM preference. In the case of RSVP-TE
tunnel type, the user can further restrict the selection by providing a list of LSP names.
The user must set resolution to filter to activate the list of tunnel-types configured under
resolution-filter.
If disallow-igp is enabled, the static-route will not be activated using IGP next-hops in RTM if
no tunnel next-hops are found in TTM.
7450 ESS Router Configuration Guide