User:Scott/04

Networking

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Network        user:scott/04
Troubleshoot   user:scott/05
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Resources      user:scott/07

General Tips

Unplug Modem and Router
Reset Modem and Router
Reboot Machine

Browser Off-line?

Command-line

Adapter or Onboard

lspci

lspci - Ethernet controller: Broadcom Corporation NetXtreme BCM5752 Gigabit Ethernet PCI Express (rev 01)

lsusb

lsusb - Bus 001 Device 003: ID 13b1:0026 Linksys

DHCP

ifconfig

ifconfig

eth0  Link encap:Ethernet  HWaddr 00:17:08:5f:dc:73  
      inet addr:192.168.1.8  Bcast:192.168.1.255  Mask:255.255.255.0

wlan0 Link encap:Ethernet  HWaddr 00:18:39:1d:31:d0  
      inet addr:192.168.1.7  Bcast:192.168.1.255  Mask:255.255.255.0

iwconfig

iwconfig

wlan0  IEEE 802.11bg  ESSID:"Karen's Wireless Network"  
       Mode:Managed  Frequency:2.437 GHz  Access Point: 00:18:01:FE:AB:AC

Ping

ping localhost 127.0.0.1

ping gateway route -n

ping 74.125.225.48 (google.com)

DNS

Dig well.com (DNS NS + A records no MX records)

ping well.com
traceroute well.com (if installed)