3
Addressing
69
IPv6 Neighbor Discovery
IPv6
Neighbor
Discovery
(ND)
is
the
IPv6
equivalent
of
the
ARP
protocol
with
IPv4
(see
ARP
on
page
58
).
When
IPv6
is
enabled
for
a
given
Ethernet
interface,
the
SEG
will
respond
to
any
IPv6
Neighbor
Solicitations
(NS)
sent
to
that
interface
with
IPv6
Neighbor
Advertisements
(NA)
for
the
IPv6
address
configured
for
that
interface.
The
SEG
will
also
respond
with
neighbor
advertisements
for
any
networks
configured
using
Proxy
Neighbor
Discovery
.
Enabling
neighbor
discovery
for
other
interfaces
can
be
achieved
by
adding
an
NDEntry
object
to
the
pre
‐
existing
NDEntries
list.
The
example
below
demonstrates
how
to
do
this.
Example: Enabling interface Neighbor Discovery
This
example
will
create
an
NDEntry
that
publishes
the
IPv6
address
my_ipv6
on
the
sfp3
interface:
1. Change
the
context
to
be
NDEntries:
Device:/>
cc
NDEntries
2. Add
an
NDEntry
object
to
NDEntries
:
Device:/NDEntries>
add
NDEntry
Interface=sfp3
IP=my_ipv6_net
Note
that
the
default
value
for
the
Mode
property
is
Publish
.
3. Return
to
the
default,
root
context:
Device:/NDEntries>
cc
Device:/>
IPv6 usage restrictions
The
following
is
a
summary
of
IPv6
restrictions
in
the
current
version
of
the
SEG:
•
Management
access
with
any
SEG
management
interface
is
not
possible
using
IPv6.
•
IP
rules
using
IPv4
and
IPv6
addresses
can
coexist
in
the
same
IP
rule
set
and
also
a
single
rule
using
an
IPAddressGroup
object.
•
IPv6
addresses
are
not
currently
supported
in
IP
rules
with
the
following
actions:
•
NAT
•
SAT
•
SLB
SAT
•
Multiplex
SAT
•
Routes
using
IPv4
and
IPv6
addresses
can
coexist
in
the
same
routing
table
set
and
a
single
route
can
combine
IPv4
and
IPv6
using
an
IPAddressGroup
object.
•
IPv6
cannot
be
used
for
VPN
or
with
ALGs,
IDP,
or
traffic
shaping.
