Bay Networks 5390, Administering, Page: 213 / 888

893-741-B A9-27
Internetwork Packet Exchange (IPX) Protocol
Method 2: Use Local Address of Port Number
Set the
local_address
port parameter to the Model 5390 server’s en0 IP address, and set the
remote_address
port parameter to the PC’s IP address.
• If both local_address and remote_address are set to 0 (the default), the Model 5390 server
denies the PC access.
• If local_address and remote_address are nonzero values, remote_address must match the
PC’s IP address. If it does not, the Model 5390 server denies the PC access.
• If local_address is not 0 and remote_address is 0, then either of the following can occur,
depending on the value of local_address, as follows:
• If local_address is not the address of the Model 5390 server’s en0 interface, the Model
5390 server denies the PC access.
• If local_address is the address of the Model 5390 server’s en0 interface, and the PC’s
address is within the range of the Model 5390 server’s subnet, the PC has access to the
Model 5390 server.
Obtaining IPX Information
IPX information is available from several sources, including log messages the Model 5390 server
creates automatically and output that various commands display.
System Logs
The Model 5390 server automatically logs ipx, auto_detect/auto_adapt, ndp, and ppp port events
to a 4.3BSD system log daemon (syslogd) or to a serial port on the Model 5390 server. To send log
CAUTION:
PC access under the above conditions can cause
problems, because it removes the assignment of PC addresses from the
Model 5390 administrator’s control. A PC can assign itself whatever
host address it desires within the range of the Model 5390 server’s sub-
net and the Model 5390 server will automatically make that address a
proxy ARP interface. If the PC and host addresses are the same or (even
worse) a router already is configured on the Model 5390 subnet, the
subnet will be disrupted.