378
NE2552E Application Guide for ENOS 8.4
What is a Route Map?
A
route
map
is
used
to
control
and
modify
routing
information.
Route
maps
define
conditions
for
redistributing
routes
from
one
routing
protocol
to
another
or
controlling
routing
information
when
injecting
it
in
and
out
of
BGP.
For
example,
a
route
map
is
used
to
set
a
preference
value
for
a
specific
route
from
a
peer
router
and
another
preference
value
for
all
other
routes
learned
via
the
same
peer
router.
For
example,
the
following
commands
are
used
to
define
a
route
map:
A
route
map
allows
you
to
match
attributes,
such
as
metric,
network
address,
and
AS
number.
It
also
allows
users
to
overwrite
the
local
preference
metric
and
to
append
the
AS
number
in
the
AS
route.
See
Lenovo
ENOS
allows
you
to
configure
32
route
maps.
Each
route
map
can
have
up
to
eight
access
lists.
Each
access
list
consists
of
a
network
filter.
A
network
filter
defines
an
IPv4
address
and
subnet
mask
of
the
network
that
you
want
to
include
in
the
filter.
illustrates
the
relationship
between
route
maps,
access
lists
and
network
filters.
Figure 38.
Distributing
Network
Filters
in
Access
Lists
and
Route
Maps
NE2552E(config)#
route-map
<map
number>
(Select
a
route
map)
NE2552E(config-route-map)#
?
(List
available
commands)
Access Lists
(alist)
Network Filter
(nwf)
Route Maps
(rmap)
1
Route Map 1
8
1
8
1
Route Map 2
8
9
16
1
Route Map 32
8
249
256
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