Virtual Private Routed Network Services
7750 SR OS Services Guide Page 1035
When multiple hosts on the same port are associated with the same subscriber identification string
they are considered to be host members of the same subscriber.
The no form of the command removes the default subscriber identifcation policy from the SAP
configuration.
Default no sub-ident-policy
Parameters sub-ident-policy-name — Specifies a subscriber identification policy for this SAP. The subscriber
profile must be defined prior to associating the profile with a SAP in the config>subscriber-
mgmt>sub-ident-policy context.
srrp
Syntax [no] srrp srrp-id
Context config>service>vprn>sub-if>grp-if
Description This command creates an SRRP instance on a group IP interface. An SRRP instance manages all
subscriber subnets within the group interfaces subscriber IP interface or other subscriber IP interfaces
that are associated through a wholesale/retail relationship. Only one unique SRRP instance can be
configured per group interface.
The no form of the command removes an SRRP instance from a group IP interface. Once removed,
the group interface ignores ARP requests for the SRRP gateway IP addresses that may exist on
subscriber subnets associated with the group IP interface. Then the group interface stops routing
using the redundant IP interface associated with the group IP interface and will stop routing with the
SRRP gateway MAC address. Ingress packets destined to the SRRP gateway MAC will also be
silently discarded. This is the same behavior as a group IP interface that is disabled (shutdown).
Default no srrp
Parameters srrp-id — Specifies a 32 bit instance ID that must be unique to the system. The instance ID must also
match the instance ID used by the remote router that is participating in the same SRRP context.
SRRP is intended to perform a function similar to VRRP where adjacent IP hosts within local
subnets use a default gateway to access IP hosts on other subnets.
Values 1 — 4294967295
gw-mac
Syntax gw-mac mac-address
no gw-mac
Context config>service>vprn>sub-if>grp-if>srrp
Description This command overrides the default SRRP gateway MAC address used by the SRRP instance. Unless
specified, the system uses the same base MAC address for all SRRP instances with the last octet
overridden by the lower 8 bits of the SRRP instance ID. . The same SRRP gateway MAC address
should be in-use by both the local and remote routers participating in the same SRRP context.
One reason to change the default SRRP gateway MAC address is if two SRRP instances sharing the
same broadcast domain are using the same SRRP gateway MAC. The system will use the SRRP
instance ID to separate the SRRP messages (by ignoring the messages that does not match the local
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