23.1. TELNET resource
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23.1. TELNET resource

The Abilis CPX TELNET resource includes Telnet server and client and it's present in the default configuration. It can be used for remote CPX management or to establish connections to remote devices which support the same protocol (i.e. Other routers).

23.1.1. TELNET resource parameters

Use d p telnet command to display the parameters of the resource. By typing d p telnet ? command it's possible to display the meaning of all parameters.

[16:55:28] ABILIS_CPX:d p telnet

RES:Telnet --------------------------------------------------------------------
Run    DESCR:Telnet_Server_and_Client_entities
       LOG:DS                 MCAU:NO                ps:512
       KEEPALIVE:30           LOGIN-TOUT:60
       - Server ---------------------------------------------------------------
       LOGIN-MODE:LEGACY  <Read Only, from CP>       PWD:****************
       PSER:TELNETS>          ser:6                  tcp-locport:23
       AC:CP                  
       DT:15                  PROFILE:NORMAL
       IPSRC:*                IPSRCLIST:#
       - Client ---------------------------------------------------------------
       PCLI:TELNETC>          cli:3
[Important]Important

The Telnet PWD is not used in LOGIN-MODE:USERS.

[11:09:25] ABILIS_CPX:d p ssh

RES:Telnet --------------------------------------------------------------------
Run    DESCR:Telnet_Server_and_Client_entities
       LOG:NO                 MCAU:NO                ps:512
       KEEPALIVE:30           LOGIN-TOUT:60
       - Server ---------------------------------------------------------------
       LOGIN-MODE:USERS  <Read Only, from CP>        
       PSER:TELNETS>          ser:6                  tcp-locport:23
       AC:CP                  
       DT:15                  PROFILE:NORMAL
       IPSRC:*                IPSRCLIST:PublicIP
       - Client ---------------------------------------------------------------
       PCLI:TELNETC>          cli:3

Meaning of the most important parameters:

LOG

State changes log and alarm generation [NO, D, S, A, L, T, ALL] [+E] (D: Debug Log; S: System Log; A: Alarm view; L: Local audible alarm; T: SNMP traps; +E: Extended Log of state changes, see ref. manual).

MCAU

Force cause 0x00 in clear packets [NO, YES].

ps

Packet size [16..2048 bytes].

KEEPALIVE

KeepAlive activation flag [NO, 15..65535 sec.]. Activates and sets the value of the “Keep-Alive” time-out; the “Keep-Alive” procedure, by sending the simple packets, keeps the TCP connection “alive” even if any data is not exchanged.

LOGIN-TOUT

Login timeout [10..600 sec.].

LOGIN-MODE

Server log-in mode [LEGACY, USERS].

[Important]Important

Read Only, from CP.

tcp-locport

Local TCP port for servers and default remote TCP port for clients [1..65535].

PSER

Prompt of the server [Alphanumeric]. The prompt of the commands interpreter of the Server TELNET resource.

ser

Maximum number of servers [0..255].

AC

Server auto-connect flag [NO, YES, CP]. The default value is CP.

PWD

Authentication password. Max 32 ASCII characters. Spaces are not allowed. Case-insensitive match.

[Important]Important

Only for LOGIN-MODE:LEGACY.

DT

Inactivity disconnect time-out [0..255 min.].

CDO

Called NUA for outgoing X.25 calls [0..9, #].Called address field of the TELNET Server outgoing call. The parameter's default value (CDO:00).

[Important]Important

Only for AC:YES.

UDO

User data for outgoing X.25 calls [0..9, a..z, A..Z, #]. User data field of the TELNET Server outgoing call. The parameter's default value (CDO:CP).

[Important]Important

Only for AC:YES.

PROFILE

X.25 Profile [NORMAL, TRANSPARENT].

IPSRC

Incoming requests: accepted source IP address [*, 1-126.x.x.x, 127.0.0.1, 128-223.x.x.x].

IPSRCLIST

Incoming requests: list of further accepted source IP addresses [#, IP/IR/RU/MR listname].

PCLI

Prompt of the client.

cli

Maximum number of clients [0..20].

The following command allows the administrator to change the configuration of the resource:

s p telnet parameter:value...

[Caution]Caution

To activate the changes made on the upper case parameters, execute the initialization command init res:telnet; while to set act the changes made on the lowercase parameters a save conf and an Abilis restart are required (i.e. With warm start command).

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