User Guide

User Guide
Command Groups: Dell PowerConnect Switch User's Guide

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Command Groups:
Dell PowerConnect Switch User's Guide

Command Groups

The system commands can be broken down into the functional groups shown below.

Command Group Description
General Basic commands for entering privileged access mode, restarting the system, or quiting the CLI
Flash/File Manages code image or switch configuration files
System Management Controls system logs, system passwords, user name, browser management options, and a variety of other system information
Authentication Configures RADIUS and TACACS+ client-server authentication for logon access
GVRP Configures GVRP settings that permit automatic VLAN learning
LACP Configures Link Aggregation Control Protocol for port trunking
SNMP Activates authentication failure traps; configures community access strings, and trap managers
Line

Sets communication parameters for the serial port, including baud rate and console time-out
Interface Configures the connection parameters for all Ethernet ports, aggregated links, and VLANs
Address Table Configures the address table for filtering specified addresses, displaying current entries, clearing the table, or setting the aging time
IP Configures the IP address and gateway for management access, displays the default gateway, or pings a specified device
Mirror Port Mirrors data to another port for analysis without affecting the data passing through or the performance of the monitored port
Spanning Tree Configures Spanning Tree settings for the switch

Bridge Extension

 Enables GVRP multicast protocol; shows the configuration for bridge extension commands
Priority Sets port priority for untagged frames, relative weight for each priority queue, and the maximum number of queues enabled; also sets priority for TCP/UDP traffic types, IP precedence, and DSCP
VLAN Configures VLAN settings, and defines port membership for VLAN groups
Port Trunking Aggregates multiple ports into a single logical trunk
IGMP Snooping Configures IGMP multicast filtering, querier eligibility, query parameters, and specifies ports attached to a multicast router
Broadcast Storm Control Configures broadcast storm control

Note that the access mode shown in the following tables is indicated by these abbreviations: NE (Normal Exec), PE (Privileged Exec), GC (Global Configuration), IE (Interface Configuration), LC (Line Configuration), and VC (VLAN Database Configuration).

General Commands

Command Function Mode
enable Activates privileged mode NE
disable Returns to normal mode from privileged mode PE
configure Activates global configuration mode PE
show history Shows the command history buffer NE, PE
reload Restarts the system PE
end Returns to Privileged Exec mode GC, IC, LC, VC
exit Returns to the previous configuration mode, or exits the CLI any
quit Exits a CLI session NE, PE
help Shows how to use help any
? Shows options for command completion (context sensitive) any

Flash/File Commands

Command Function Mode
copy Copies a code image or a switch configuration to or from Flash memory or a TFTP server PE
delete Deletes a file or code image PE
dir Displays a list of files in Flash memory PE
whichboot Displays the files booted PE
boot system Specifies the file or image used to start up the system GC

System Management Commands

Command Function Mode
hostname Specifies or modifies the host name for the device GC
username Sets user name authentication at login GC
enable password Sets a password to control access to various privilege levels GC
jumbo frame Allows jumbo frames to pass through the switch GC
ip http port Specifies the port to be used by the Web browser interface GC
ip http server Allows the switch to be monitored or configured from a browser GC
ip http secure-port Specifies the UDP port number used for HTTPS connection to the switch’s Web interface. GC
ip http secure-server Enables the HTTPS server on the switch. GC
ip ssh server Enables the SSH server on the switch. GC
ip ssh Specifies the authentication timeout for the SSH server and the number of retries allowed by a client. GC
disconnect ssh Terminates an SSH connection. PE
logging on Controls logging of error messages GC
logging history Limits syslog messages sent to the SNMP network management station based on severity GC
logging host Adds a syslog server host IP address that will receive logging messages. GC
logging facility Sets the facility type for remote logging of syslog messages. GC
logging trap Limits syslog messages saved to a remote server based on severity. GC
clear logging Clears messages from the logging buffer PE
show startup-config Displays the contents of the configuration file (stored in Flash memory) that is used to start up the system PE
show running-config Displays the configuration data currently in use PE
show logging Displays the state of logging PE
show ip ssh Displays the status of the SSH server and the configured values for authentication timeout and retries. PE
show ssh Displays the status of current SSH sessions. PE
show system Displays system information NE, PE
show users Shows all active console and Telnet sessions, including user name, idle time, and IP address of Telnet client NE, PE
show version Displays version information for the system NE, PE

Authentication Commands

Command Function Mode
authentication login Defines logon authentication method and precedence GC
radius-server host
 Specifies the RADIUS server GC
radius-server port Sets the RADIUS server network port GC
radius-server key Sets the RADIUS encryption key GC
radius-server retransmit Sets the number of retries GC
radius-server timeout Sets the interval between sending authentication requests GC
show radius-server Displays current settings for the RADIUS server PE
tacacs-server host Specifies the TACACS+ server GC
tacacs-server port Specifies the TACACS+ server network port GC
tacacs-server key Sets the TACACS+ encryption key GC
show tacacs-server Shows the current TACACS+ settings PE

GVRP Commands

Command Function Mode
show gvrp configuration Displays GVRP configuration for selected interface NE, PE
garp timer
Sets the GARP timer for the selected function IC
show garp timer Shows the GARP timer for the selected function NE, PE

LACP Commands

Command Function Mode
lacp
Configures LACP for the current interface IC

SNMP Commands

Command Function Mode
show snmp Displays the status of SNMP communications NE, PE
snmp-server community
 Sets up the community access string to permit access to SNMP commands GC
snmp-server contact Sets the system contact string GC
snmp-server host Specifies the recipient of an SNMP notification operation GC
snmp-server location Sets the system location string GC
snmp-server enable traps Enables the device to send SNMP traps or inform requests (i.e., SNMP notifications) GC
snmp ip filter Sets IP addresses of clients allowed to management access to the switch via SNMP. GC

Line Commands

Command Function Mode
line Identifies a specific line for configuration and starts the line configuration mode GC
login Enables password checking at login LC
password Specifies a password on a line LC
exec-timeout Sets the interval that the command interpreter waits until user input is detected LC
password-thresh Sets the password intrusion threshold, which limits the number of failed logon attempts LC
silent-time Sets the amount of time the management console is inaccessible after the number of unsuccessful logon attempts exceeds the threshold set by the password-thresh command LC
databits Sets the number of data bits per character that are interpreted and generated by hardware LC
parity Defines generation of a parity bit LC
speed Sets the terminal baud rate LC
stopbits Sets the number of the stop bits transmitted per byte LC
show line Displays a terminal line's parameters NE, PE

Interface Commands

Command Function Mode
interface Configures an interface type and enters interface configuration mode GC
shutdown Disables an interface IC
clear counters Clears statistics on an interface PE
description Adds a description to an interface configuration IC
speed-duplex Configures the speed and duplex operation of a given interface when autonegotiation is disabled IC
negotiation Enables autonegotiation of a given interface IC
capabilities Advertises the capabilities of a given interface for use in autonegotiation IC
flowcontrol Enables flow control on a given interface IC
port security Enables port security on an interface. IC
show interfaces status Displays status for the specified interface NE, PE
show interfaces counters Displays statistics for the specified interface NE, PE
show interfaces switchport Displays the administrative and operational status of an interface NE, PE

Address Table Commands

Command Function Mode
mac-address-table static Maps a static address to a port in a VLAN GC
clear mac-address-table dynamic Removes any learned entries from the forwarding database and clears the transmit and receive counts for any statically or system configured entries PE
show mac-address-table Displays classes of entries in the bridge-forwarding database PE
mac-address-table aging-time Sets the aging time of the address table GC
show mac-address-table aging-time Shows the aging time for the address table PE

IP Commands

Command Function Mode
ip address Sets the IP address for this device IC
ip dhcp restart Submits a BOOTP or DCHP client request PE
ip default-gateway Defines the default gateway through which an in-band management station can reach this device GC
show ip interface Displays the IP settings for this device PE
show ip redirects Displays the default gateway configured for this device PE
ping Sends ICMP echo request packets to another node on the network NE, PE

Mirror Port Commands

Command Function Mode
port monitor
 Configures a mirror session IC
show port monitor Shows the configuration for a mirror port PE

Spanning Tree Commands

Command Function Mode
spanning-tree Enables the spanning tree protocol GC
spanning-tree mode Configures STP or RSTP mode
 GC
spanning-tree forward-time Configures the spanning tree bridge forward time GC
spanning-tree hello-time Configures the spanning tree bridge hello time GC
spanning-tree max-age Configures the spanning tree bridge maximum age GC
spanning-tree priority Configures the spanning tree bridge priority GC
spanning-tree pathcost method Configures the path cost method for RSTP GC
spanning-tree transmission-limit Configures the transmission limit for RSTP GC
spanning-tree cost Configures the spanning tree path cost of an interface IC
spanning-tree port-priority Configures the spanning tree priority of an interface IC
spanning-tree portfast Sets an interface to fast forwarding IC
spanning-tree edge-port Enables fast forwarding for edge ports IC
spanning-tree protocol-migration Re-checks the appropriate BPDU format PE
spanning-tree link-type Configures the link type for RSTP
 IC
show spanning-tree Shows spanning tree configuration for the overall bridge or a selected interface PE

Bridge Extension Commands

Command Function Mode
bridge-ext gvrp Enables GVRP GC
show bridge-ext Shows bridge extension configuration PE

Priority Commands

Command Function Mode
switchport priority default Sets a port priority for incoming untagged frames or the priority of frames sent by the device connected to the specified port IC
queue bandwidth Assign round-robin weights to the priority queues GC
queue cos map Assigns class of service values to the priority queues IC
map ip port Enables TCP/UDP class of service mapping GC
map ip port Maps TCP/UDP socket to a class of service IC
map ip precedence Enables IP precedence class of service mapping GC
map ip precedence Maps IP precedence value to a class of service IC
map ip dscp Enables IP DSCP class of service mapping GC
map ip dscp Maps IP DSCP value to a class of service IC
show queue bandwidth Assign round-robin weights to the priority queues PE
show queue cos-map Shows the class of service map PE
show map ip port Shows the IP port map PE
show map ip precedence Shows the IP precedence map PE
show map ip dscp Shows the IP DSCP map PE
show interfaces switchport Displays the administrative and operational status of an interface PE

VLAN Commands

Command Function Mode
vlan database Enters VLAN database mode to add, change, and delete VLANs GC
vlan Configures a VLAN, including VID, name and state VC
interface vlan Enters interface configuration mode for specified VLAN IC
switchport ingress-filtering Enables ingress filtering on an interface IC
switchport acceptable-frame-types Configures frame types to be accepted by an interface IC
switchport mode Configures VLAN membership mode for an interface IC
switchport gvrp Enables GVRP for an interface IC
switchport allowed vlan Configures the VLANs associated with an interface IC
switchport native vlan Configures the PVID (native VLAN) of an interface IC
switchport forbidden vlan Configures forbidden VLANs for an interface IC
show vlan Shows VLAN information NE, PE
show interfaces status vlan Displays status for the specified VLAN interface NE, PE

Port Trunking Commands

Command Function Mode
interface port-channel Configures a trunk and enters interface configuration mode for the trunk GC
channel-group Adds a port to a trunk IC
show interfaces status port-channel Shows trunk information NE, PE

IGMP Snooping Commands

Command Function Mode
ip igmp snooping Enables IGMP snooping GC
ip igmp snooping vlan mrouter Adds a multicast router port GC
ip igmp snooping vlan static Adds an interface as a member of a multicast group GC
ip igmp snooping querier Allows this device to act as the querier for IGMP snooping GC
ip igmp snooping query-count Configures the query count GC
ip igmp snooping query-interval
 Configures the query interval GC
ip igmp snooping query-max-response-time Configures the report delay GC
ip igmp snooping query-time-out
 Configures the query timeout GC
ip igmp snooping version Configures the IGMP version for snooping GC
show ip igmp snooping
 Shows the IGMP snooping configuration PE
show ip igmp snooping mrouter Shows multicast router ports PE
show bridge multicast Shows the IGMP snooping MAC multicast list PE

Broadcast Storm Control Commands

Command Function Mode
switchport broadcast Configures broadcast storm control IC
show interfaces switchport Displays the administrative and operational status of a port. NE, PE

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