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Chapter 4. Applications
SNA and LAN Application with SNMP/TELNET
Management
When used in a mixed environment consisting of both SNA and
LAN networks, the Express 5200 serves as a concentrator, allowing
both networks access to one frame relay link. The example shown
in Figure 4-2 shows DTE 1 configured for SDLC protocol (as in the
previous example). DTE 2 is configured for F
protocol, providing the LAN gateway/router with frame relay
access.
The Express 5200 routes data at the DLCI level using the
frame relay A
network end of the UNI signaling protocol for the
emulating the CPE end for the network port. PVC status
information from the frame relay network is stored and used for
full status requests from the router attached to the
A local DLCI is set up between the router and the Express 5200.
This M
destined for the Express 5200. This DLCI is included in the UNI
full status responses to the router. The Express 5200 IP A
must be mapped to the M
route table (see the following note). With this path, an SNMP
manager located anywhere in the network can access the
Express 5200's SNMP and TELNET information. See Table 4-2 for
an example configuration.
RIP and inverse ARP are not used for the Express 5200 DTE frame relay
port.
4-4
T
. The Express 5200 emulates the
DDRESS
ABLE
DLCI carries the SNMP and TELNET traffic
ANAGEMENT
ANAGEMENT
Express 5200 User Manual
R
RAME
ELAY
DTE 2
port while
DTE
port.
DTE
DDRESS
DLCI in the LAN router's
61202175L1-1
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