User guide

Managing Your Canopy Network March 2005
Through Software Release 6.1
Issue 1 Page 379 of 425
Canopy System User Guide
g. verify that the link test results show efficiency greater than 90% in both the
uplink and downlink.
h. execute ping.
i. verify that no packet loss was experienced.
j. verify that response times are not significantly greater than
◦ 2.5 ms from BH to BH
◦ 4 ms from AP to SM
◦ 15 ms from SM to AP
k. replace any cables that you suspect may be causing the problem.
6. After connectivity has been re-established, reinstall network elements and
variables that you removed in Step 1.
end of procedure
31.5.2 NAT/DHCP-configured SM Has Lost or Does Not Establish Connectivity
Before troubleshooting this problem, identify the NAT/DHCP configuration from the
following list:
◦ NAT with DHCP Client and DHCP Server
◦ NAT with DHCP Client
◦ NAT with DHCP Server
◦ NAT without DHCP
To troubleshoot a loss of connectivity for an SM configured for NAT/DHCP, perform the
following steps.
Procedure 49: Troubleshooting loss of connectivity for NAT/DHCP-configured SM
1. Isolate the end user/SM from peripheral equipment and variables such as
routers, switches, and firewalls.
2. Set up the minimal amount of equipment.
3. On each end of the link
a. check the cables and connections.
b. verify that the cable/connection scheme—straight-through or crossover—is
correct.
c. verify that the LED labeled LNK is green.
4. At the SM
a. select Expanded Stats.
b. access the NAT Table page.
c. verify that the correct NAT translations are listed.
RESULT: NAT is eliminated as a possible cause if these translations are
correct.
5. If this SM is configured for NAT with DHCP, then at the SM
a. execute ipconfig.
b. verify that the PC has an assigned IP address.