Alcatel-Lucent 7750 SR Manual page 1265

unnumbered
Syntax unnumbered [ip-int-name | ip-address]
no unnumbered
Context config>service>vprn>interface
Description This command configures the interface as an unnumbered interface. Unnumbered IP interface is
supported on a Sonet/SDH access port with the PPP, ATM, or Frame Relay encapsulation. It is not
supported on a TDM port or channel.
Parameters
ip-int-name — Specifies the name of an IP interface. If the string contains special characters (#, $,
ip-address — Specifies an IP address.
urpf-check
Syntax [no] urpf-check
Context config>service>vprn>interface
Description This command enables unicast RPF (uRPF) check on this interface.
The no form of the command disables unicast RPF (uRPF) Check on this interface.
Default
disabled
mode
Syntax mode {strict | loose}
no mode
Context config>service>vprn>interface>urfp-check
Description This command specifies the mode of unicast RPF check.
The no form of the command reverts to the default (strict) mode.
Default
strict
Parameters
strict — When specified, uRPF checks whether incoming packet has a source address that matches a
loose — In loose mode, uRPF checks whether incoming packet has source address with a
7750 SR OS Services Guide
spaces, etc.), the entire string must be enclosed within double quotes.
prefix in the routing table, and whether the interface expects to receive a packet with this source
address prefix.
corresponding prefix in the routing table. However, the loose mode does not check whether the
interface expects to receive a packet with a specific source address prefix. This object is valid
only when urpf-check is enabled.
Virtual Private Routed Network Services
Page 1265