v
Security
–
Bridge
protocol
data
unit
(BPDU)
guard
for
shutting
down
a
Port
Fast-configured
port
when
an
invalid
configuration
occurs
–
Protected
port
option
for
restricting
the
forwarding
of
traffic
to
designated
ports
on
the
same
switch
–
Password-protected
access
(read-only
and
write-only
access)
to
management
interfaces
(the
device
manager
and
CLI)
for
protection
against
unauthorized
configuration
changes
–
Port
security
option
for
limiting
and
identifying
MAC
addresses
of
the
station
allowed
to
access
the
port
–
Port
security
aging
to
set
the
aging
time
for
secure
addresses
on
a
port
–
Multilevel
security
for
a
choice
of
security
level,
notification,
and
resulting
actions
–
MAC-based
port-level
security
for
restricting
the
use
of
a
switch
port
to
a
specific
group
of
source
addresses
and
preventing
switch
access
from
unauthorized
stations
–
Terminal
Access
Controller
Access
Control
System
Plus
(),
a
proprietary
feature
for
managing
network
security
through
a
TACACS
server
–
IEEE
802.1X
port-based
authentication
to
prevent
unauthorized
devices
from
gaining
access
to
the
network
–
IEEE
802.1X
port-based
authentication
with
VLAN
assignment
for
restricting
802.1X-authenticated
users
to
a
specified
VLAN
–
IEEE
802.1X
port-based
authentication
with
port
security
for
authenticating
the
port
and
managing
network
access
for
all
MAC
addresses,
including
that
of
the
client
–
IEEE
802.1X
port-based
authentication
with
voice
VLAN
to
allow
an
IP
phone
access
to
the
voice
VLAN
irrespective
of
the
authorized
or
unauthorized
state
of
the
port
–
IEEE
802.1X
port-based
authentication
with
guest
VLAN
to
provided
limited
services
to
non-802.1X-compliant
users
–
Standard
and
extended
IP
access
control
lists
(ACLs)
for
defining
security
policies
v
Quality
of
Service
(QoS)
and
Class
of
Service
(CoS)
–
Classification
-
IEEE
802.1p
CoS
with
eight
priority
queues
on
the
Gigabit
Ethernet
switch-module
ports
for
prioritizing
mission-critical
and
time-sensitive
traffic
from
data,
voice,
and
telephony
applications
-
IP
Differentiated
Services
Code
Point
(IP
DSCP)
and
CoS
marking
priorities
on
a
per-port
basis
for
protecting
the
performance
of
mission-critical
applications
Chapter
1.
Introducing
the
Gigabit
Ethernet
switch
module
5
Содержание Ethernet switch
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