Overview

The routine of troubleshooting your network if it has wireless components is rather some-more formidable than connected infrastructure. In actuality you contingency troubleshoot both connected and wireless infrastructure to establish the problem. The methodology of starting with cabling from the customer and operative by the OSI indication to the focus covering is effective. The wireless customer trade doesn’t see any cabling until there has been organisation with the entrance point. In hint there is a interpretation couple in in in in in in in between wireless customer and entrance point. With which determined there is interpretation couple trade in in in in in in in between entrance point and connected network switch.

The connected customer has a Cat 5 wire plugged in to the desktop which terminates at a connected switch. All clients comparing at a specific entrance point right away share a singular Cat 5 wire run from entrance point to switch. That creates troubleshooting simpler given cabling is a source of a lot of network problems, however any problems with which wire affects all clients. It is critical to minimize the array of entrance point clients for limit performance. Commercial network implementations normal 10 – twenty-four clients per entrance point.

The key with troubleshooting is to establish what has changed. Sometimes it is hardware which isn’t operative or a little shift done such as brand brand new software, configured apparatus or one more employees stressing the network. It could be a specific emanate or multiform problems. Start with the customer adapter, establish the specific symptoms and go from there.

The following is a array of questions which can used as a guideline during the troubleshooting process:

1. Can the wireless customer join forces with with any entrance point?

2. Can you ping the switch IP address?

3. Can you ping the router?

4. Can you ping the DHCP server?

5. Does the customer acquire an IP address?

6. Is the WAN circuit available?

7. Has brand brand new program been commissioned on the client?

8. Do all clients knowledge the problem?

9. Is it pointless or a specific pattern?

10. Is it server specific or focus specific?

11. Is the DNS server IP residence environment correct?

12. Is there a firewall which is filtering traffic?

TOOLS:

a) Wireless customer program shows standing report such as entrance point association, DHCP enabled, IP address, default gateway, DNS server address.

b) Windows carry out row shows wireless adapter settings, firewall pattern etc.

c) Ping will determine which network routing is working.

d) Network parcel sniffers inspect parcel report such as protocols, filtered programs or errors with applications.

e) Spectrum analyzers acknowledge magnitude division and probable sources.

COMMON WIRELESS PROBLEMS:

Wireless Client Settings

• Upgrade the manufacturer customer adapter driver.

• Implement stream Windows handling complement use pack.

• Examine customer interpretation rate, broadcast power, preamble, in motion decision, WPA settings.

• Confirm common keys if implemented aren’t incompatible in in in in in in in between customer and AP.

• Examine IP residence settings. DHCP will send specific settings to each client. Those clients but DHCP contingency configure IP address, subnet mask, default gateway and DNS server IP address.

• The customer SSID name configured should compare what is configured at the AP.

Access Point

• Confirm the APs have the endorsed IOS chronicle with the specific underline set.

• Examine AP ascent and cgange if required regulating the designation instructions.

• Delete any configured loopback addresses.

• Configure broadcast energy environment and diminution when channel division occurs.

• Mixed 802.11b/g environments contingency configure each AP with 802.11b simple interpretation rates.

• Configure interpretation rate and duplex settings to compare in in in in in in in between AP and switch.

Design

• Configure interpretation rate and duplex environment to compare in in in in in in in between wireless bridges.

• Standard Cat 5 UTP wire should be a limit of 328 feet in in in in in in in between AP and switch.

• Distance from the wireless customer to entrance point should not surpass the specified range.

• Maximum array of clients per entrance point should not surpass seventeen – 24.

• Don’t allot channel overlie in in in in in in in between nearby resident APs.

• Configure travelling tree custom at base bridges

• Configure non overlapping channels of 1, 6 and eleven at 802.11b and 802.11g APs.

• Don’t configure mixed base bridges on the same WLAN

• Implement the many stream chronicle of Windows Server, IAS RADIUS Server or Cisco ACS

• RF division will start in an unlawful band. Minimize sources where possible.

Cisco Wireless Network Design Guide available at amazon.com and eBookmall.com

Shaun Hummel is an writer of assorted technical books and has a web site focused on report record pursuit poke solutions and certifications.

http://www.networkjobsolutions.com

Shaun Hummel, CCNP, is a Senior Network Engineer with eleven years knowledge in craving network planning, design, and implementation. He has worked for assorted in isolation and open companies in Canada and the United States mending infrastructure, security, and management. He has created Network Planning and Design Guide, Cisco Wireless Network Design Guide and Network Assessment Guide. www.networkjobsolutions.com

Technorati Tags: network, troubleshooting, wireless

Related posts:

  1. TROUBLESHOOTING NETWORK PROBLEMS Overview The routine of troubleshooting your network involves a methodology...
  2. WIRELESS NETWORK SECURITY Network Authentication Process The routine of a customer comparing and...
  3. WIRELESS NETWORKING COMPONENTS Client Software and Adapter Any customer computer, laptop or wireless...
  4. WIRELESS HANDS-ON ELEARNING COURSE Great march to get hands-on knowledge with wireless LANs...
  5. CISCO NETWORK ADMISSION CONTROL, VOLUME II: NAC DEPLOYMENT AND TROUBLESHOOTING (NETWORKING TECHNOLOGY) (PAPERBACK) Cisco Network Admission Control Volume II: NAC Framework Deployment...

Related posts brought to you by Yet Another Related Posts Plugin.

Tagged with: network • troubleshooting • wireless

Filed under: Cisco hardware

Like this post? Subscribe to my RSS feed and get loads more!