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Black Box Console Server user guide 106
framed ip (use only when the user service field is set to ‘slip’ or ‘ppp’) this is the ip address of
the remote user. Enter the address in dot decimal notation as follows:
255.255.255.254 (default) - if you enter this value, the unit will use the remote ip
address set for the line; see Configuring SLIP on page 78 or Configuring PPP on page
82.
255.255.255.255 (when user service is set to ‘ppp’) - if you enter this value the unit
will allow the remote machine to specify its ip address; (it therefore overrides the
parameter ‘ip address negotiation’ which you can configure for PPP).
255.255.255.255 (when user service is set to ‘slip’) - if you enter this value the unit
will use the remote ip address set for the line (no negotiation).
n.n.n.n - (where n is a number); enter an ip address of your choice.This ip address
will then be used in preference to the remote ip address set for a line.
framed
netmask
(use only when the user service field is set to ‘slip’ or ‘ppp’). If the remote user is on
a subnet, enter the subnet mask. This field is for your information only; it is not
processed by the software.
framed mtu (use only when the user service field is set to ‘slip’ or ‘ppp’) This field specifies the
maximum size of packets in bytes being transferred across the link. On noisy links it
may be preferable to fragment large packets being transferred over the link since
there will be quicker recovery from errors. Depending on whether you have selected
a user ‘service’ of SLIP or PPP, details are as follows:
for PPP, framed mtu will be the maximum size of packets that the unit port will
accept. This value is negotiated between the two ends of the link. The default value is
1500 bytes. Enter a value in bytes in the range 64-1500. An example value is 512
bytes; this will restrict the unit to accepting packets no greater than 512 bytes in
length.
for SLIP, framed mtu will be the maximum size of packets being sent by the unit. The
unit will send SLIP packets in the range 256-1006 bytes. The default value is 256
bytes. An example setting is 512: this will restrict the unit to sending SLIP packets
no greater than 512 bytes in length.
The framed mtu value will be used in preference to the mtu/mru values set for a line;
see Configuring SLIP on page 78 or Configuring PPP on page 82.