Difference between revisions of "User:Scott/04"

From FreekiWiki
Jump to navigation Jump to search
Line 20: Line 20:
 
  Browser Off-line?
 
  Browser Off-line?
  
=Command-line - Troubleshoot=
+
==dhcp syn ak==
 +
sudo dhclient
 +
 
 +
==TCP/IP Open Connection==
 +
lsof -i    (domain names)
 +
lsof -i -n (ip address)
 +
 
 +
 
 +
=Command-line (TS connection)=
  
 
==Adapter or Onboard==
 
==Adapter or Onboard==
Line 33: Line 41:
  
 
==DHCP==
 
==DHCP==
 +
===DHCP Discover===
 +
sudo dhclient
 +
 +
Listening on LPF/eth0/00:17:08:5f:dc:73
 +
Sending on  LPF/eth0/00:17:08:5f:dc:73
 +
DHCP-REQUEST of 192.168.1.8 on eth0 to 255.255.255.255 port 67
 +
DHCPA-CK of 192.168.1.8 from 192.168.1.1
 +
bound to 192.168.1.8 -- renewal in 36968 seconds.
  
 
===ifconfig===
 
===ifconfig===
Line 51: Line 67:
 
         Mode:Managed  Frequency:2.437 GHz  Access Point: 00:18:01:FE:AB:AC
 
         Mode:Managed  Frequency:2.437 GHz  Access Point: 00:18:01:FE:AB:AC
  
==Ping==
+
==Ping (gateway)==
  
 
  ping localhost 127.0.0.1
 
  ping localhost 127.0.0.1
 
   
 
   
  ping gateway route -n
+
  ping gateway (route -n)
 
   
 
   
 
  ping 74.125.225.48 (google.com)
 
  ping 74.125.225.48 (google.com)
  
==DNS==
+
==DNS (view records)==
  
 
  Dig well.com (DNS NS + A records no MX records)
 
  Dig well.com (DNS NS + A records no MX records)
Line 66: Line 82:
 
  traceroute well.com (if installed)
 
  traceroute well.com (if installed)
  
=Network Tools=
+
=Network Tools (TS Connection)=
 
  System -> Administration -> Network Tools
 
  System -> Administration -> Network Tools
  

Revision as of 18:02, 20 October 2011

Networking

Home Page      user:scott
Tech Support   user:scott/02
Dir & Files    user:scott/03
Network        user:scott/04
Troubleshoot   user:scott/05
Laptops        user:scott/06
Resources      user:scott/07

Template:TOC limit

Reset Modem and Router

Unplug Modem and Router
Reset Modem and Router (paper clip)
Reboot Machine

Browser Off-line?

dhcp syn ak

sudo dhclient

TCP/IP Open Connection

lsof -i    (domain names)
lsof -i -n (ip address)


Command-line (TS connection)

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

DHCP Discover

sudo dhclient

Listening on LPF/eth0/00:17:08:5f:dc:73
Sending on   LPF/eth0/00:17:08:5f:dc:73
DHCP-REQUEST of 192.168.1.8 on eth0 to 255.255.255.255 port 67
DHCPA-CK of 192.168.1.8 from 192.168.1.1
bound to 192.168.1.8 -- renewal in 36968 seconds.

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 (gateway)

ping localhost 127.0.0.1

ping gateway (route -n)

ping 74.125.225.48 (google.com)

DNS (view records)

Dig well.com (DNS NS + A records no MX records)
ping well.com
traceroute well.com (if installed)

Network Tools (TS Connection)

System -> Administration -> Network Tools

Devices Tab

loopback Interface (lo) 
Protocol IPv4 - 127.0.0.1
Hardware address: Loopback
 
Ethernet Interface (eth0)         
Protocol IPv4  - 192.168.1.x
Hardware address: 00:17:08:5f:dc:73
Wireless Interface (wlan0)         
Protocol IPv4  - 192.168.1.x
Hardware address: 00:17:08:5f:dc:73

Ping Tab

ping 127.0.0.1

Netstat Tab

Determine gateway 192.168.1.x
ping gateway
ping 74.125.225.48 (google.com)

Lookup Tab - DNS Records

lookup 208.17.81.205 (well.com)
lookup well.com (default information)
lookup well.com (Mailbox Exchange)
 

Traceroute Tab

traceroute 74.125.225.48 (google.com)
traceroute google.com
traceroute 208.17.81.205 (well.com)
traceroute well.com