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INS_RL1000GW_REV– 15 Jul 2016 PAGE 120
INSTALLATION AND OPERATION MANUAL
RL1000GW
TECH SUPPORT: 1.888.678.9427
Command
Description
settings
Manage the range of TCP ports used for the terminal server to respond to.
By default the allowed range is 2001-2100.
Restore: restore to the default range.
Update low-border-telnet-tcp-port <>: a numeric value for the tcp port range low border.
The value must be >=2001. The allowed range will be the entered value (x) to x+100. The
serial encapsulation will be in TCP packets.
Update low-border-telnet-udp-port <>: a numeric value for the udp port range low
border. The value must be >=2001. The allowed range will be the entered value (x) to
x+100. The serial encapsulation will be in UDP packets.
low-border-serial-tunnel-port <>: this option is used when the serial device is not
connected locally to serial ports of the terminal server router, but rather to a remote
router via serial tunneling.
A numeric value for the udp/tcp port range low border. The allowed range will be the
entered value (x) to x+100. default is 9849. changing the default can be to a range
starting from 1025. The serial encapsulation will be in UDP or TCP packets depending on
the serial-tunneling ‘remote-end-point’ configuration.
Update dead-peer-timeout <0-1440>: this parameter will release the open TCP socket
after the configurable time so a new connection could be established.
Set in units of minutes, default value is 10.
Setting the value 0 will disable the timeout and keep the session open until
administratively release or ended by the client.
Updating the counter requires removing the services configured in advance.
Update buffer-mode: default –frame.
frame – the terminal server will hold from egress the tcp packet until receiving validation
from the serial local end that a message is completed. This mode avoids fragmentation
of serial messages to different tcp packets.
byte – serial originated packets will be egressed without additional buffering at the
terminal server.
Show : display the current tcp port range
Serial-tunnel
Configuration options to be used at the switch where the serial port is connected at.
These fields will determine the remote side to where to draw the serial service to (the
remote side is the switch at which the terminal server is established).
If the terminal server is configured on a local switch which as well accommodates the
serial port then this configuration of “serial-tunnel” should not be used!.
Remote-address: the IP address of the terminal server .this would be the address of the
application interface at the remote switch acting as the terminal server.
Service-id: the local serial service-id to be mapped to the terminal server.
show: display the configuration.
tcp-service
Configuration options to be used at the router where the terminal server is set. This
option relates to a TCP service settings.
Remote-address: the router own ACE ‘application-host’ interface IP address.
Service-id: the serial service-id to which the terminal server serice relates to. the ‘service-
id’ is created at the ‘serial’ ‘local-end-point’ and must be set to ‘application’= ‘terminal-
server’.
telnet-port: the tcp port to be used for the connection. Incoming tcp traffic with this port
will be directed to the terminal server. Serial traffic will encapsulated to udp and send to
the udp client with this port.
mmax-tcp-clients: define how many tcp clients can open a connection at the specified
service.
null-cr-mode: this field settings (on|off) allows flexability in working with different types of
terminals (as PuTTY, hyper terminal, CRT..)as each handles the CR bit differently.
When set to On the switch will drop <NULL> character only if it arrives immediately after
the <CR> (^M, 0x0d).
For all other modes of operation, NULL_CR is ignored.
default - off
show : display the configuration.