Alcatel-Lucent 7750 SR Manual page 871

Table 16: SRRP State Effect on Subscriber Hosts Associated with Group IP Interface (Continued)
SRRP State
Master
Becoming Backup
(redundant IP inter-
face operational)
7750 SR OS Services Guide
ARP
• Responds to ARP • Responds to ARP
for all owned
subscriber subnet
IP addresses
(hardware address
and source MAC =
group IP interface
native MAC).
• Responds to ARP
for subscriber
subnet SRRP
gateway IP
addresses
(hardware address
= SRRP gateway IP
address, source
MAC = group IP
interface native
MAC).
• Responds to ARP • Will not respond to
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
• Responds to ARP
for all subscriber
hosts on the
subscriber subnet
(hardware address
= SRRP gateway
MAC address,
source MAC =
group IP interface
native MAC).
• Will not respond to
ARP for any
subscriber hosts on
the subscriber
subnet.
Internet Enhanced Services
Remote Proxy Subscriber Host
ARP Enabled
• All routing out the
for all reachable group IP interface
remote IP hosts will use the SRRP
(hardware address gateway MAC
= SRRP gateway address.
MAC address, • Subscriber hosts
source MAC = mapped to the
group IP interface redundant IP
native MAC). 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 accept packets
destined to the
SRRP gateway
MAC received on
the group IP
interface.
Routing
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