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Cisco BPX 8600 Series Installation and Configuration
Release 9.3.10, Part Number 78-11603-01 Rev. D0, July 2001
Chapter 20 Configuring Network Management
Configuring the LAN Port
Step 2 Configure the LAN port on the BPX switch by using a dumb terminal or an RS-232 connection via the
workstation(usingthevt command, as applicable) to enter the appropriate cnflan parameters.
The cnflan command configures the node’s communication parameters so that the node can
communicate with a Cisco WAN Manager terminal over an Ethernet LAN using the TCP/IP protocol.
The parameters contain address information about the Ethernet TCP/IP network that is used to connect
the Cisco WAN Manager station to an IGX or BPX switch. The values used must conform to those of
the network and should be supplied by the Ethernet network administrator.
The cnflan command has these parameters:
• Active IP Address is the Internet Protocol address of the node used in the TCP/IP protocol.
• IP Subnet Mask is a 32-bit mask. The default for a Class C LAN network is 255.255.255.0. (Other
than C Class masks may be used.)
• IP Service Port is the BPX/IGX switch LAN port number entered in the /etc/service file on the
workstation. It is 5120 for all BPX/IGX switches.
• Default Gateway IP Address is the Internet gateway address. This is the gateway that traffic is
routed through if the BPX or IGX switch and workstation are on different networks. If they are on
the same network, the gateway is not used. The default “none” is displayed in this case. (Note: If a
gateway IP is entered and later you want to remove it, enter 255.255.255.255 opposite the “IP
Subnet Mask” prompt and 192.0.0.0 opposite the “Default Gateway IP Address” prompt and
“none” will again be displayed. The node will reset itself if you do this.)
A cnflan screen is shown in the following example for the LAN setup shown in Figure 20-3.
An IP address of 192.187.210.30 has been entered as the active IP address for the node. The IP Subnet
mask is entered as 255.255.255.0 for a Class C LAN network.
The TCP service port is entered as 5120.
Because the workstation and node are on different networks in this example, a gateway address of
192.187.207.1 (the address of the node serving as a gateway for Cisco WAN Manager, in this example),
has been entered. You must obtain this gateway address from your System Administrator. If the
workstation and node are both on the same network, no gateway address is needed.
The “Maximum LAN Transmit Unit” and “Ethernet Address” parameters are not configurable by the
cnflan command.
The “Ethernet Address” is a hardware address that is different for every node controller card, such as,
BCC.