48 Configuring Security using the CLITable 9 "no telnet-access command parameters and variables" (page48) describes the parameters and variables for the no telnet-accesscommand.Table 9no telnet-access command parameters and variablesParameters andvariables Descriptionsource-ip[<1-10>] Disables the Telnet access.When you do not use the optional parameter, thesource-ip list is cleared, meaning that the 1st index isset to 0.0.0.0./0.0.0.0. and the 2nd to 10th indexesare set to 255.255.255.255/255.255.255.255. Whenyou do specify a source-ip value, the specified pair isset to 255.255.255.255/255.255.255.255.ATTENTIONThese are the same source IP addresses as in theIP Manager list. For more information on the IPManager list, see "Configuring the IP manager list"(page 39).default telnet-access commandThe default telnet-access command sets the Telnet settings to thedefault values. The syntax for the default telnet-access command is:default telnet-accessThe default telnet-access command is executed in the GlobalConfiguration command mode.The default telnet-access command has no parameters or values.Configuring Secure Shell (SSH)This section provides the Configuring SSH using the Command LineInterface commands for configuring and managing SSH on the EthernetRouting Switch 2500 Series. The SSH protocol provides secure access tothe CLI. By using the CLI, you can execute the following commands:• "show ssh global command" (page 49)• "show ssh session command" (page 50)• "show ssh download-auth-key command" (page 50)Nortel Ethernet Routing Switch 2500 SeriesSecurity — Configuration and ManagementNN47215-505 (323165-B) 02.01 Standard4.1 19 November 2007Copyright © 2007, Nortel Networks.