3Com 4500G 24-Port manuals

4500G 24-Port

Brand: 3Com | Category: Switch

Table of contents

Table Of Contents
MANAGED GIGABIT SWITCHES
MODULAR SWITCHES
MANAGED 10/100 SWITCHES
UNMANAGED SWITCHES
SECURITY AND MANAGEMENT
WAN ROUTERS
wireless networking
CONVERGENCE SOLUTIONS
GLOBAL SERVICES

4500G 24-Port

Brand: 3Com | Category: Switch

Table of contents

configuration guide
about this manual
Table of Contents
Table Of Contents
product features
access volume
ip services volume
ip routing volume
qos volume
security volume
high availability volume
system volume
manual version
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ethernet port configuration
configuring an auto-negotiation transmission rate
configuring flow control on an ethernet port
configuring the suppression time of physical-link-state change on an ethernet port
configuring a port group
setting the interval for collecting ethernet port statistics
enabling forwarding of jumbo frames
configuring the mdi mode for an ethernet port
testing the cable on an ethernet port
displaying and maintaining an ethernet port
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ethernet link aggregation configuration
aggregating links in static mode
aggregating links in dynamic mode
load sharing criteria for link aggregation groups
ethernet link aggregation configuration task list
configuring a static aggregation group
configuring an aggregate interface
enabling link state trapping for an aggregate interface
displaying and maintaining ethernet link aggregation
static aggregation configuration example
dynamic aggregation configuration example
aggregation load sharing configuration example
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port isolation configuration
port isolation configuration example
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mstp configuration
protocol packets of stp
how stp works
introduction to rstp
introduction to mstp
basic concepts in mstp
how mstp works
implementation of mstp on devices
configuring mstp
configuring the root bridge or a secondary root bridge
configuring the work mode of an mstp device
configuring the maximum hops of an mst region
configuring timers of mstp
configuring the timeout factor
configuring the maximum port rate
configuring path costs of ports
configuring port priority
configuring the link type of ports
enabling the output of port state transition information
enabling the mstp feature
configuring digest snooping
configuring no agreement check
configuring protection functions
displaying and maintaining mstp
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lldp configuration
how lldp works
lldp configuration task list
performing basic lldp configuration
setting the lldp re-initialization delay
configuring the management address and its encoding format
setting other lldp parameters
configuring cdp compatibility
configuring lldp trapping
displaying and maintaining lldp
configuration procedure
cdp-compatible lldp configuration example
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vlan configuration
vlan fundamentals
types of vlan
configuring basic settings of a vlan interface
port-based vlan configuration
assigning an access port to a vlan
assigning a trunk port to a vlan
assigning a hybrid port to a vlan
mac-based vlan configuration
protocol-based vlan configuration
configuring a protocol-based vlan
ip subnet-based vlan configuration
displaying and maintaining vlan
isolate-user-vlan configuration
displaying and maintaining isolate-user-vlan
voice vlan configuration
voice vlan assignment modes
security mode and normal mode of voice vlans
configuring a voice vlan
setting a port to operate in manual voice vlan assignment mode
displaying and maintaining voice vlan
manual voice vlan assignment mode configuration example
gvrp configuration
gvrp configuration task list
configuring garp timers
displaying and maintaining gvrp
gvrp configuration examples
gvrp configuration example ii
gvrp configuration example iii
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qinq configuration
how qinq works
implementations of qinq
configuring basic qinq
configuring the tpid value in vlan tags
comprehensive selective qinq configuration example
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introduction to bpdu tunneling
bpdu tunneling implementation
configuring bpdu tunneling
configuring destination multicast mac address for bpdus
bpdu tunneling for pvst configuration example
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port mirroring configuration
configuring local port mirroring
configuring remote port mirroring
configuring a remote destination mirroring group (on the destination device)
displaying and maintaining port mirroring
remote port mirroring configuration example
configuring traffic mirroring
mirroring traffic to the cpu
applying a qos policy
displaying and maintaining traffic mirroring
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ip addressing overview
special ip addresses
configuring ip addresses
ip addressing configuration example
displaying and maintaining ip addressing
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arp configuration
arp message format
arp table
configuring arp
enabling the arp entry check
arp configuration example
configuring gratuitous arp
proxy arp configuration
enabling proxy arp
displaying and maintaining proxy arp
local proxy arp configuration example in case of port isolation
local proxy arp configuration example in isolate-user-vlan
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dhcp overview
dhcp address allocation
ip address lease extension
dhcp options
self-defined options
protocols and standards
dhcp relay agent configuration
dhcp relay agent support for option
dhcp relay agent configuration task list
enabling the dhcp relay agent on an interface
configuring the dhcp relay agent security functions
configuring the dhcp relay agent to send a dhcp-release request
displaying and maintaining dhcp relay agent configuration
dhcp relay agent option 82 support configuration example
troubleshooting dhcp relay agent configuration
dhcp client configuration
displaying and maintaining the dhcp client
dhcp snooping configuration
application environment of trusted ports
dhcp snooping support for option
configuring dhcp snooping basic functions
configuring dhcp snooping to support option 82
displaying and maintaining dhcp snooping
dhcp snooping option 82 support configuration example
bootp client configuration
configuring an interface to dynamically obtain an ip address through bootp
displaying and maintaining bootp client configuration
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dns configuration
dns proxy
configuring the dns client
configuring the dns proxy
dynamic domain name resolution configuration example
dns proxy configuration example
troubleshooting dns configuration
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ip performance overview
enabling forwarding of directed broadcasts to a directly connected network
configuring tcp optional parameters
configuring icmp to send error packets
displaying and maintaining ip performance optimization
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udp helper configuration
displaying and maintaining udp helper
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ipv6 overview
introduction to ipv6 address
introduction to ipv6 neighbor discovery protocol
ipv6 pmtu discovery
ipv6 basics configuration task list
configuring basic ipv6 functions
configuring ipv6 ndp
configuring the maximum number of neighbors dynamically learned
configuring pmtu discovery
configuring ipv6 tcp properties
enable sending of multicast echo replies
configuring ipv6 dns client
displaying and maintaining ipv6 basics configuration
ipv6 configuration example
troubleshooting ipv6 basics configuration
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dual stack overview
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sflow configuration
configuring sflow
sflow configuration example
troubleshooting sflow configuration
ip routing overview
routing protocol overview
displaying and maintaining a routing table
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static routing configuration
configuring a static route
detecting reachability of the static route's nexthop
displaying and maintaining static routes
static route configuration example
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rip configuration
rip version
rip message format
configuring rip basic functions
configuring rip route control
configuring ripv2 route summarization
disabling host route reception
configuring inbound/outbound route filtering
configuring rip network optimization
configuring rip timers
enabling zero field check on incoming ripv1 messages
configuring ripv2 message authentication
displaying and maintaining rip
rip configuration examples
configuring an additional metric for a rip interface
troubleshooting rip
route oscillation occurred
ipv6 static routing configuration
displaying and maintaining ipv6 static routes
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ripng configuration
ripng packet format
configuring ripng basic functions
configuring ripng route control
configuring ripng route summarization
configuring a ripng route filtering policy
tuning and optimizing the ripng network
configuring zero field check on ripng packets
displaying and maintaining ripng
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route policy configuration
route policy configuration task list
defining filters
configuring a route policy
creating a route policy
defining apply clauses
displaying and maintaining the route policy
applying a route policy to ipv6 route redistribution
troubleshooting route policy configuration
ipv6 routing information filtering failure
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multicast overview
features of multicast
multicast models
multicast architecture
multicast addresses
multicast protocols
multicast packet forwarding mechanism
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igmp snooping configuration
basic concepts in igmp snooping
how igmp snooping works
igmp snooping configuration task list
configuring basic functions of igmp snooping
configuring igmp snooping port functions
configuring simulated joining
configuring igmp snooping querier
configuring igmp queries and responses
configuring an igmp snooping policy
configuring a multicast group filter
configuring the function of dropping unknown multicast data
configuring igmp report suppression
configuring multicast group replacement
displaying and maintaining igmp snooping
igmp snooping configuration examples
network diagram
igmp snooping querier configuration
troubleshooting igmp snooping configuration
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multicast vlan configuration
multicast vlan configuration task list
configuring port-based multicast vlan
configuring multicast vlan ports
displaying and maintaining multicast vlan
port-based multicast vlan configuration
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mld snooping configuration
basic concepts in mld snooping
how mld snooping works
mld snooping configuration task list
configuring basic functions of mld snooping
configuring mld snooping port functions
configuring mld snooping querier
configuring mld queries and responses
configuring source ipv6 addresses of mld queries
configuring an mld snooping policy
configuring ipv6 multicast source port filtering
configuring mld report suppression
configuring ipv6 multicast group replacement
displaying and maintaining mld snooping
mld snooping configuration examples
mld snooping querier configuration
troubleshooting mld snooping
configured ipv6 multicast group policy fails to take effect
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introduction to ipv6 multicast vlan
ipv6 multicast vlan configuration task list
configuring port-based ipv6 multicast vlan
configuring ipv6 multicast vlan ports
displaying and maintaining ipv6 multicast vlan
port-based multicast vlan configuration example
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qos overview
diffserv service model
qos configuration approaches
configuring a qos policy
defining a traffic behavior
applying the qos policy
displaying and maintaining qos policies
priority mapping overview
priority trust mode on a port
priority mapping configuration tasks
configuring priority mapping
displaying and maintaining priority mapping
traffic policing and line rate configuration
traffic policing
line rate
configuration example
configuring the line rate
congestion management configuration
congestion management configuration approaches
configuring congestion management
configuring wfq queuing
configuring sp+wrr queues
displaying and maintaining congestion management
traffic filtering configuration
traffic filtering configuration example
configuring priority marking
priority marking configuration example
traffic redirecting configuration
class-based accounting configuration
displaying and maintaining traffic accounting
appendix a acronym
appendix b default priority mapping tables
appendix c introduction to packet precedences
p priority
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user profile configuration
creating a user profile
enabling a user profile
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aaa configuration
introduction to radius
security and authentication mechanisms
radius packet format
extended radius attributes
introduction to hwtacacs
aaa configuration task list
radius configuration task list
configuring aaa
configuring isp domain attributes
configuring aaa authentication methods for an isp domain
configuring aaa authorization methods for an isp domain
configuring aaa accounting methods for an isp domain
configuring local user attributes
displaying and maintaining aaa
configuring radius
specifying the radius authentication/authorization servers
setting the shared key for radius packets
setting the upper limit of radius request retransmission attempts
setting the status of radius servers
configuring attributes related to data to be sent to the radius server
setting timers regarding radius servers
configuring radius accounting-on
specifying a security policy server
configuring hwtacacs
specifying the hwtacacs authentication servers
specifying the hwtacacs accounting servers
setting the shared key for hwtacacs packets
setting timers regarding hwtacacs servers
aaa configuration examples
aaa for telnet users by separate servers
aaa for ssh users by a radius server
troubleshooting aaa
troubleshooting hwtacacs
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x configuration
architecture of 802.1x
eap over lans
eap over radius
authentication process of 802.1x
x timers
extensions to 802.1x
configuring 802.1x
configuring 802.1x for a port
configuring an 802.1x guest vlan
x configuration example
guest vlan and vlan assignment configuration example
acl assignment configuration example
x-based ead fast deployment configuration
configuring ead fast deployment
displaying and maintaining ead fast deployment
troubleshooting ead fast deployment
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introduction to habp
configuring habp
displaying and maintaining habp
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mac authentication configuration
related concepts
configuring mac authentication
configuring a guest vlan
displaying and maintaining mac authentication
radius-based mac authentication configuration example
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port security configuration
port security modes
port security configuration task list
setting the maximum number of secure mac addresses
setting the port security mode
configuring port security features
configuring intrusion protection
configuring secure mac addresses
displaying and maintaining port security
configuring the userloginwithoui mode
configuring the macaddresselseuserloginsecure mode
configuration information
troubleshooting port security
cannot change port security mode when a user is online
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ip source guard configuration
configuring a static binding entry
ip source guard configuration examples
dynamic binding function configuration example
troubleshooting ip source guard
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ssh2.0 configuration
configuring the device as an ssh server
enabling ssh server
configuring a client public key
configuring an ssh user
setting the ssh management parameters
configuring the device as an ssh client
configuring whether first-time authentication is supported
displaying and maintaining ssh
when switch acts as server for publickey authentication
ssh client configuration examples
when switch acts as client for publickey authentication
sftp service
configuring an sftp client
working with the sftp directories
working with sftp files
terminating the connection to the remote sftp server
sftp server configuration example
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pki configuration
architecture of pki
pki configuration task list
configuring an entity dn
configuring a pki domain
submitting a pki certificate request
retrieving a certificate manually
configuring pki certificate verification
destroying a local rsa key pair
deleting a certificate
pki configuration examples
requesting a certificate from a ca running windows 2003 server
configuring a certificate attribute-based access control policy
troubleshooting pki
failed to retrieve crls
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ssl configuration
ssl configuration task list
configuring an ssl server policy
ssl server policy configuration example
configuring an ssl client policy
troubleshooting ssl
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public key configuration
configuring the local asymmetric key pair
displaying or exporting the local rsa or dsa host public key
displaying and maintaining public keys
public key configuration examples
importing the public key of a peer from a public key file
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acl overview
introduction to ipv4 acl
ipv4 acl naming
ipv4 acl step
introduction to ipv6 acl
ipv6 acl step
ipv4 acl configuration
configuring a basic ipv4 acl
configuring an advanced ipv4 acl
configuring an ethernet frame header acl
copying an ipv4 acl
displaying and maintaining ipv4 acls
ipv6 acl configuration
configuring an advanced ipv6 acl
copying an ipv6 acl
displaying and maintaining ipv6 acls
acl application for packet filtering
filtering ipv6 packets
acl application example
applying an acl to a vlan interface
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arp attack protection configuration
configuring arp defense against ip packet attacks
enabling arp black hole routing
configuring source mac address based arp attack detection
configuring arp packet source mac address consistency check
configuring arp detection
configuring arp detection based on specified objects
arp detection configuration example i
arp detection configuration example ii
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smart link overview
how smart link works
smart link configuration task list
configuring protected vlans for a smart link group
configuring role preemption for a smart link group
smart link device configuration example
configuring an associated device
displaying and maintaining smart link
multiple smart link groups load sharing configuration example
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monitor link configuration
configuring monitor link
configuring monitor link group member ports
monitor link configuration example
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rrpp overview
basic concepts in rrpp
rrpp timers
typical rrpp networking
rrpp configuration task list
creating an rrpp domain
configuring control vlans
configuring rrpp rings
configuring rrpp nodes
activating an rrpp domain
configuring an rrpp ring group
displaying and maintaining rrpp
intersecting ring configuration example
intersecting-ring load balancing configuration example
troubleshooting
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dldp configuration
how dldp works
dldp configuration task list
enabling dldp
setting the interval for sending advertisement packets
setting the port shutdown mode
configuring dldp authentication
displaying and maintaining dldp
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ethernet oam configuration
how ethernet oam works
standards and protocols
configuring link monitoring
configuring errored frame seconds event detection
displaying and maintaining ethernet oam configuration
ethernet oam configuration example
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cfd configuration
cfd functions
basic configuration tasks
configuring mep
configuring cc on meps
configuring lb on meps
finding the path between a source mep and a target mep
cfd configuration examples
configuring mep and enabling cc on it
configuring the rules for generating mips
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track overview
track configuration task list
configuring collaboration between the track module and the application modules
displaying and maintaining track object(s)
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logging in to an ethernet switch
users and user interfaces
logging in through the console port
console port login configuration
console port login configuration with authentication mode being none
console port login configuration with authentication mode being password
console port login configuration with authentication mode being scheme
logging in through telnet
telnet login configuration task list
telnet login configuration with authentication mode being password
telnet login configuration with authentication mode being scheme
logging in through ssh
user interface configuration examples
command authorization configuration example
command accounting configuration example
web server configuration
displaying web users
connection establishment using nms
specifying source for telnet packets
displaying the source ip address/interface specified for telnet packets
controlling telnet users
controlling telnet users by source and destination ip addresses
controlling telnet users by source mac addresses
controlling network management users by source ip addresses
controlling web users by source ip addresses
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basic configurations
entering system view
configuring the system clock
displaying the system clock
enabling/disabling the display of copyright information
configuring a banner
configuring cli hotkeys
configuring command alias
configuring user privilege levels and command levels
configuring user privilege level
switching user privilege level
modifying command level
cli features
synchronous information output
editing features
cli display
display functions
saving history commands
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device management
rebooting a device
configuring the scheduled automatic execution function
upgrading device software
upgrading the boot file through command lines
configuring a detection interval
identifying and diagnosing pluggable transceivers
displaying and maintaining device management configuration
device management configuration examples
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file system management
directory operations
file operations
batch operations
setting file system prompt modes
configuration file management
saving the current configuration
specifying a startup configuration file for the next system startup
backing up the startup configuration file
displaying and maintaining device configuration
ftp configuration
configuring the ftp client
ftp client configuration example
configuring the ftp server
configuring authentication and authorization on the ftp server
ftp server configuration example
displaying and maintaining ftp
tftp configuration
configuring the tftp client
displaying and maintaining the tftp client
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http configuration
configuring the port number of the http service
displaying and maintaining http
https configuration
associating the https service with an ssl server policy
associating the https service with a certificate attribute access control policy
associating the https service with an acl
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snmp configuration
snmp protocol version
configuring snmp logging
snmp trap configuration
configuring trap parameters
displaying and maintaining snmp
snmp configuration example
snmp logging configuration example
mib style configuration
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rmon configuration
rmon groups
configuring rmon
displaying and maintaining rmon
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mac address table configuration
types of mac address table entries
configuring mac address table
configuring the aging timer for dynamic mac address entries
mac address table configuration example
mac information configuration
enabling mac information on an interface
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system maintaining and debugging
introduction to system debugging
system maintaining
system maintaining example
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information center configuration
system information format
configuring information center
outputting system information to a monitor terminal
outputting system information to a log host
outputting system information to the trap buffer
outputting system information to the log buffer
outputting system information to the snmp module
disabling a port from generating link up/down logging information
displaying and maintaining information center
outputting log information to a linux log host
outputting log information to the console
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poe configuration
poe configuration task list
configuring a poe interface through the command line
configuring poe power management
upgrading pse processing software online
configuring a pd disconnection detection mode
displaying and maintaining poe
troubleshooting poe
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hotfix configuration
hotfix configuration task list
one-step patch installation
step-by-step patch installation
activating patches
step-by-step patch uninstallation
displaying and maintaining hotfix
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nqa configuration
basic concepts of nqa
nqa configuration task list
configuring the nqa server
configuring an nqa test group
configuring a dhcp test
configuring an ftp test
configuring an http test
configuring a udp jitter test
configuring an snmp test
configuring a tcp test
configuring a udp echo test
configuring a voice test
configuring a dlsw test
configuring the collaboration function
configuring trap delivery
configuring optional parameters common to an nqa test group
scheduling an nqa test group
displaying and maintaining nqa
dhcp test configuration example
ftp test configuration example
http test configuration example
udp jitter test configuration example
snmp test configuration example
tcp test configuration example
udp echo test configuration example
voice test configuration example
dlsw test configuration example
nqa collaboration configuration example
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ntp configuration
advantages of ntp
ntp message format
operation modes of ntp
ntp configuration task list
configuring the operation modes of ntp
configuring the ntp symmetric peers mode
configuring optional parameters of ntp
disabling an interface from receiving ntp messages
configuring access-control rights
configuring ntp authentication
displaying and maintaining ntp
configuring the ntp symmetric mode
configuring ntp broadcast mode
configuring ntp client/server mode with authentication
configuring ntp broadcast mode with authentication
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cluster management configuration
how a cluster works
cluster configuration task list
configuring the management device
configuring ndp parameters
manually collecting topology information
enabling the cluster function
enabling management vlan auto-negotiation
cluster member management
configuring the member devices
adding a candidate device to a cluster
configuring advanced cluster functions
configuring interaction for a cluster
snmp configuration synchronization function
configuring web user accounts in batches
displaying and maintaining cluster management
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stack configuration
establishing a stack
configuring the master device of a stack
configuring stack ports of a slave device
displaying and maintaining stack configuration
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automatic configuration
how automatic configuration works
obtaining an ip address
obtaining the configuration file from the tftp server
executing the configuration file

4500G 24-Port

Brand: 3Com | Category: Switch

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3Com 4500G 24-Port manuals

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4500G 24-Port

4500G 24-Port

4500G 24-Port