Alcatel-Lucent 7750 SR Manual page 1391

sham-link
Syntax sham-link ip-int-name ip-address
Context config>service>vprn>ospf>area
Description This command is similar to a virtual link with the exception that metric must be included in order to
distinguish the cost between the MPLS-VPRN link and the backdoor.
Parameters
ip-int-name — The local interface name used for the sham-link. This is a mandatory parameter and
ip-address — The IP address of the SHAM-link neighbor in IP address dotted decimal notation. This
advertise-subnet
Syntax [no] advertise-subnet
Context config>service>vprn>ospf>area>interface
Description This command enables advertising point-to-point interfaces as subnet routes (network number and
mask). When disabled, point-to-point interfaces are advertised as host routes.
Note that this command is not valid in the OSPF3 context.
The no form of the command disables advertising point-to-point interfaces as subnet routes meaning
they are advertised as host routes.
Default
advertise-subnet — Advertises point-to-point interfaces as subnet routes.
authentication-key
Syntax authentication-key [authentication-key | hash-key] [hash | hash2]
no authentication-key
Context config>service>vprn>ospf>area>interface
config>service>vprn>ospf>area>virtual-link
config>service>vprn>ospf>area>sham-link
Description
This command configures the password used by the OSPF interface or virtual-link to send and
receive OSPF protocol packets on the interface when simple password authentication is configured.
Note that this command is not valid in the OSPF3 context.
7750 SR OS Services Guide
interface names must be unique within the group of defined IP interfaces for
config>router>interface, config>service>ies>interface and config>service>vprn>interface
commands. An interface name cannot be in the form of an IP address. Interface names can be any
string up to 32 characters long composed of printable, 7-bit ASCII characters. If the string
contains special characters, the entire string must be enclosed within double quotes. If the IP
interface name does not exist or does not have an IP address configured, an error message will be
returned.
parameter is the remote peer of the sham link's IP address used to set up the SHAM link. This is
a mandatory parameter and must be a valid IP address.
Virtual Private Routed Network Services
Page 1391