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Update Linux-Networking.md
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lwindolf authored Oct 29, 2024
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25 changes: 11 additions & 14 deletions Cheat Sheets/Network/Linux-Networking.md
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## Debugging

- [X-Trace - Multi-protocol tracing
framework](http://x-trace.net/pubs/nsdi-html/xtrace.html)
- iptraf - Real-time statistics in ncurses interfaces
- mtr - Debug routing/package loss issues
- [X-Trace - Multi-protocol tracing framework](http://x-trace.net/pubs/nsdi-html/xtrace.html)
- iptraf - Real-time statistics in ncurses interfaces
- mtr - Debug routing/package loss issues

mtr --report <host> # ping based
mtr --report --tcp --port 443 <host> # connection based

- netstat - The different modes
- netstat - The different modes

# Typically used modes
netstat -rn # List routes
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netstat -i # List interfaces and counters
netstat -o # Watch time/wait handling

- nttcp - TCP performance testing
- nttcp - TCP performance testing

# On sending host
nttcp -t -s

# On receiving host
nttcp -r -s

- List Kernel Settings
- List Kernel Settings

sysctl net

- [SNMP - Dump all
MIBs](http://net-snmp.sourceforge.net/wiki/index.php/TUT:snmpwalk):
When you need to find the MIB for an object known only by name try
- [SNMP - Dump all MIBs](http://net-snmp.sourceforge.net/wiki/index.php/TUT:snmpwalk):
When you need to find the MIB for an object known only by name try

snmpwalk -c public -v 1 -O s <myhost> .iso | grep <search string>

- [Hurricane Electric - BGP Tools](http://bgp.he.net/): Statistics on
all AS as well as links to their looking glasses.
- [darkstat](https://unix4lyfe.org/darkstat/) - libpcap monitoring

- [Hurricane Electric - BGP Tools](http://bgp.he.net/): Statistics on all AS as well as links to their looking glasses.
- [darkstat](https://unix4lyfe.org/darkstat/) - libpcap monitoring
- [Why the IPv6 transition did not happen](https://www.potaroo.net/ispcol/2024-10/ipv6-transition.html)

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