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6-6 CHAPTER 6: NETWORK TROUBLESHOOTING TASKS
To unify the split VLANS:
■ Check that all the LAN Emulation Configuration Servers have the
same LAN that is displaying the split.
■ Using the Network Management Station, move the ports displayed in
the primary VLAN to a temporary VLAN. Move the ports from the
temporary VLAN into the backup VLAN.
Empty ELANS in the network are indicated with a brown color key.
Path Assistants for
Identifying
Connectivity and
Performance
Problems
You can use the ATM and VLAN Management Path assistants to display
the paths ATM devices and between network elements that are part of
LAN Emulation.
LE Path Assistant The LE Path Assistant allows you to select any two LE Clients or two LAN
segments and to obtain the following information:
■ Address resolution through the LE Server
■ Control distributed path (direct)
■ Multicast forward addressing through the BUS
■ Data direct path
The Path Assistant displays the corresponding segment, its proxy client, its
LE services ATM address, and assists in verifying that the connections are
viable.
To access the LE Path window, in the Topology Browser, click on two ATM
Switches and then click on the Path icon.
ATM Path Assistant The ATM Path Assistant allows you to select any to ATM UNI or NNI
endpoints across the network and to see the physical path as well as the
VCCs established between the two endpoint. The following information
can be obtained from this assistant window:
■ The physical path including all the intermediate switch nodes and the
physical link between them
■ The ports at the ends of the physical links
■ The VCCs established between the end points