RuggedCom RuggedRouter RX1100 - Manual (Page 72)

7. Configuring Frame Relay/PPP And T1/E1
Revision 1.14.3 72 RX1000/RX1100™
7.2.3. Editing A Logical Interface (Frame Relay)
Figure 7.6. Editing A Logical Interface (Frame Relay)
This menu allows you to configure Frame Relay link and logical interface fields.
7.2.3.1. Frame Relay Link Parameters
The first table presents the link parameters and applies to all logical interfaces.
The Station Type field determines whether the router acts as a customer premises equipment or as
a frame relay switch. When a Frame Relay network provider is used, the CPE interface should be
chosen. When the connection is end to end, it is typical to set the central site end to switch and the
remote end to be CPE.
The Signaling type field reflects the Frame Relay link management protocol used, which include
ANSI T1.617 Annex D, LMI and Q.933 signaling.
The Link Failure field determines whether the IP interface should reflect the state of the T1
(connected/disconnected). If you are using SNMP, enable this option as SNMP uses the state of the
interface to determine the state of the connection.
The T391 (Link Integrity Verification polling) timer is valid at the CPE and indicates the number of
seconds between the transmission of In-channel Signaling messages.
The T392 (verification of polling cycle) timer is valid at the Switch and indicates the expected number
of seconds between the reception of In-channel Signaling messages transmitted by the CPE.
The N391 counter is valid at the CPE and defines the frequency of transmission of Full Status enquiry
messages.
The N392 counter is valid at both the CPE and the Switch and defines the number of errors during
N393 events which cause the channel to be inactive.
The N393 counter is valid at both the CPE and the Switch and is an event counter for measuring N392.
The EEK Type field controls whether End to End Keepalive messages are sent while operating as
a CPE device. If this option is set to “Off”, EEK is disabled. If this option is set to “Request”, EEK