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the ExtremeView Configuration features. However, you can use the ExtremeView Telnet
feature to access the switch and enable DLCS.
To enable DLCS on a switch, do the following:
1 Click the ExtremeView icon in the ExtremeWare Enterprise Manager Navigation
Toolbar
2 Select Telnet in the component tree, then select the switch you want to configure.
3 Use the
4 Enable the ports on which you want to snoop. You can enable individual ports, or all
ports on the switch.
enable dlcs ports < port-number >|all
DLCS should be enabled on all edge ports (ports that are directly connected to
workstations, servers, and unintelligent hubs. DLCS should not be enabled on trunk
or uplink ports.
5 To see which ports are snooping WINS packets, and what data has been learned:
show dlcs
6 To clear all DLCS data that has been learned:
clear dlcs
7 Type
quit
DLCS L
There are certain limitations in the ExtremeWare 5.0 implementation of DLCS that
should be considered with regards to the data received from WINS snooping:
• DLCS will not work for the WINS server itself. This is because the WINS server will
not send NetBIOS packets on the network (these packets are address to itself). This
means that the host name of the WINS server, and any users on the WINS server
will not be learned by DLCS.
• When the IP address of an end station is changed, and the end station is not
immediately rebooted, the old end station to IP address mapping will never be
deleted. You must delete the mapping of the end station to IP address through the
ExtremeWare Enterprise Manager Policy System client.
• When an end station is moved from one port to another port on a switch, the old
entry will not age out, unless the end station is rebooted or a user login operation is
performed after the end station is moved.
E
W
E
M
XTREME
ARE
NTERPRISE
ANAGER
command to enable DLCS snooping of packets on the switch.
enable dlcs
to exit the telnet session.
IMITATIONS
I
U
G
NSTALLATION AND
SER
UIDE
DLCS L
IMITATIONS
B-3
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