Create
Learn
Share

Troubleshooting

rename
egill2k1's version from 2016-08-31 12:18

Section

Question Answer
(lg) Looking glass seversaccess to ISP routers for troubleshooting
memorize

Protocol Analyzer

Question Answer
Protocol analyzercapture & display network traffic, packet by packet/ wired network uses physical tap or redirect on switch./
WiresharkPOPULAR protocol analyzer / EASY to use on wireless network...YOUR device has to be QUIET/ some network drivers wont capture wireless info...special adapters / chipsets & drivers.
memorize

IP configuration

Question Answer
can connect to local IPs but NOT outside subnetIP config issues
check documentationsubnet mask, gateway...
Monitor trafficexamine local broadcasts / determine subnet mask / confirm on devices around you. tracert / ping / default gateway & outside address
duplicate IP addressintermitent problems / verify config/ ping BEFORE static addressing/ check MAC address table on switch MAC table./ Roug DHCP server
memorize