Remote Telnet or SSH Management
                                            The following procedure describes how to enable remote device management from the WAN through Telnet or SSH.
                                            
                                                
                                                
                                                
                                                
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                                                    ➢
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                                                    To enable remote management from WAN through Telnet or SSH: | 
                                                
                                            
                                            
                                                
                                                
                                                
                                                
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                                                    ■
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                                                    Enable Telnet through CLI:
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                                                    a.
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                                                    Access the System configuration mode: | 
                                                
                                            
# configure system
(config-system)#
                                            
                                                
                                                
                                                
                                                
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                                                    b.
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                                                    Access the CLI Settings command set: | 
                                                
                                            
(config-system)# cli-settings
(cli-settings)#
                                            
                                                
                                                
                                                
                                                
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                                                    c.
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                                                    Enable Telnet from WAN: | 
                                                
                                            
(cli-settings)# wan-telnet-allow on
                                            
                                                
                                                
                                                
                                                
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                                                    d.
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                                                    Bind the Telnet application to a source network (listening socket): | 
                                                
                                            
(cli-settings)# telnet-network-source-ipv4 main-vrf
                                            
                                                
                                                
                                                
                                                
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                                                    e.
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                                                    Save configuration to flash: | 
                                                
                                            
(cli-settings)# do write
                                            
                                                
                                                
                                                
                                                
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                                                    ■
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                                                    Enable SSH through CLI:
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                                                    a.
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                                                    Access the System configuration mode: | 
                                                
                                            
# configure system
(config-system)#
                                            
                                                
                                                
                                                
                                                
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                                                    b.
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                                                    Access the CLI Settings command set: | 
                                                
                                            
(config-system)# cli-settings
(cli-settings)# 
                                            (cli-settings)# ssh on
                                            (cli-settings)# wan-ssh-allow on
                                            
                                                
                                                
                                                
                                                
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                                                    e.
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                                                    Bind the SSH application to a source network (listening socket): | 
                                                
                                            
(cli-settings)# ssh-network-source-ipv4 main-vrf
                                            
                                                
                                                
                                                
                                                
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                                                    f.
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                                                    Save configuration to flash: | 
                                                
                                            
(cli-settings)# do write
                                            
                                            
                                                
                                                
                                                
                                                
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                                                    a.
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                                                    Open the CLI Settings page (Setup menu > Administration tab > Web & CLI folder > CLI Settings). | 
                                                
                                            
                                            
                                                
                                                
                                                
                                                
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                                                    b.
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                                                    For Telnet: From the 'Allow WAN access to Telnet' drop-down list, select Enable: | 
                                                
                                            
                                            
                                                
                                            
                                            
                                            
                                                
                                                
                                                
                                                
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                                                    ◆
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                                                    From the 'Enable SSH Server' drop-down list, select Enable: | 
                                                
                                            
                                            
                                                
                                            
                                            
                                                
                                                
                                                
                                                
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                                                    ◆
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                                                    From the 'Allow WAN access to SSH' drop-down list, select Enable: | 
                                                
                                            
                                            
                                                
                                            
                                            
                                                
                                                
                                                
                                                
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                                                    a.
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                                                    Click Apply and save to flash. |