Alcatel-Lucent 7750 SR Manual page 1064

VPRN Features
Table 22: SRRP State Effect on Subscriber Hosts Associated with Group IP Interface (Continued)
SRRP State
Becoming Backup
(redundant IP inter-
face not available)
Backup (redundant IP
interface operational)
Page 1064
ARP
• Will respond to • Will not respond to
ARP for all owned
subscriber subnet
IP addresses
(hardware address
and source MAC =
group IP interface
native MAC).
• Will not respond to
ARP for subscriber
subnet SRRP
gateway IP
addresses.
• Will respond to • Will not respond to
ARP for all owned
subscriber subnet
IP addresses
(hardware address
and source MAC =
group IP interface
native MAC).
• Will not respond to
ARP for subscriber
subnet SRRP
gateway IP
addresses.
Local Proxy ARP
Enabled
• Will not respond to
ARP for any
subscriber hosts on
the subscriber
subnet.
• Will not respond to
ARP for any
subscriber hosts on
the subscriber
subnet
Remote Proxy Subscriber Host
ARP Enabled
• Will route out the
ARP for any remote group IP interface
IP hosts. for subscriber hosts
associated with the
subscriber subnet
using the group IP
interface native
MAC address.
• Subscriber hosts
mapped to the
redundant IP
interface are
remapped to the
group IP interface.
• Will accept packets
destined to the
SRRP gateway
MAC received on
the group IP
interface
• Will not route out
ARP for any remote the group IP
IP hosts interface for
subscriber hosts
associated with the
subscriber subnet.
• Subscriber hosts
mapped to the
group IP interface
are remapped to the
redundant IP
interface.
• Will not accept
packets destined to
the SRRP gateway
MAC received on
the group IP
interface.
7750 SR OS Services Guide
Routing