Shownotes Transcript
Wireshark TCP Deep Dive continues: You need to understand this - whats the difference between Maximum Transmission Unit (MTU) vs Maximum Segment Size (MSS).
// MENU //
00:00 ▶️ Coming Up
00:25 ▶️ Intro
00:32 ▶️ Chris introduction
00:47 ▶️ Topic: Maximum Segment Size (MSS)
01:27 ▶️ Explaining Maximum Transmission Unit (MTU)
08:42 ▶️ Interface layout
10:25 ▶️ David Bombal "War Story"
12:00 ▶️ Wireshark demo
13:26 ▶️ Increasing the MTU on your device for larger connections
16:27 ▶️ Difference between MTU and MSS
19:36 ▶️ Wireshark demo (cont'd)
24:58 ▶️ Using Path MTU Discovery
27:02 ▶️ Ping and Wireshark demo
33:32 ▶️ Cool trick for Mac system
35:08 ▶️ TCP/MSS Clamping
38:21 ▶️ Chris Greer "War Story"
51:09 ▶️ What happens if you can't capture a server
55:08 ▶️ MSS Adjustment commands
56:55 ▶️ Tunnel Path MTU Discovery
57:40 ▶️ Figuring out 1432
01:02:52 ▶️ Conclusion
01:04:48 ▶️ "Cool features" in Wireshark
Previous video: https://youtu.be/rmFX1V49K8U
// Wireshark PCAP files // MTU PCAP: https://github.com/packetpioneer/yout... War Story PCAP Client: https://github.com/packetpioneer/yout... War Story PCAP Server: https://github.com/packetpioneer/yout... Special “Thumbs Up” and “Subscribe” PCAP: https://github.com/packetpioneer/yout...
// VLAD SOCIAL // Twitter: https://twitter.com/Packet_vlad PMTUD Blog: http://www.packettrain.net/2016/09/21... Thanks Vladimir Gerasimov!
// GOOD READING // Network Implications of PMTUD: https://www.ipspace.net/kb/Internet/P... Path MTU Discovery: https://www.ipspace.net/kb/Internet/P... Resolve IPv4 Fragmentation, MTU, MSS, and PMTUD Issues with GRE and IPsec: https://www.cisco.com/c/en/us/support... Configuring TCP MSS Adjustment: https://www.cisco.com/c/en/us/td/docs... Ethernet MTU and TCP MSS Adjustment Concept for PPPoE Connections: https://www.cisco.com/c/en/us/support...
// MY STUFF // https://www.amazon.com/shop/davidbombal
// David SOCIAL // Discord: https://discord.com/invite/usKSyzb Twitter: https://www.twitter.com/davidbombal Instagram: https://www.instagram.com/davidbombal LinkedIn: https://www.linkedin.com/in/davidbombal Facebook: https://www.facebook.com/davidbombal.co TikTok: http://tiktok.com/@davidbombal YouTube: https://www.youtube.com/davidbombal
// Chris SOCIAL // Udemy course: https://davidbombal.wiki/chriswireshark LinkedIn: https://www.linkedin.com/in/cgreer/ YouTube: https://www.youtube.com/c/ChrisGreer Twitter: https://twitter.com/packetpioneer
// SPONSORS // Interested in sponsoring my videos? Reach out to my team here: [email protected]
tcp mss mtu tcp/ip tcp ip ipv4 wireshark icmp slow icmp dropped packets wireshark tutorial wireshark training packet analysis packet capture tcp handshake tcp analysis tcp connections chris greer wireshark chris greer chris greer wireshark wireshark chris transport control protocol how tcp works tcp/ip transport protocol packet network mtu maximum transmission unit tcp mss maximum segment size free wireshark tutorial network troubleshooting tcp/ip analysis wireshark mtu wireshark mss ipsec gre mpls tunnels troubleshoot slow network troubleshooting slow networks troubleshoot slow internet
Please note that links listed may be affiliate links and provide me with a small percentage/kickback should you use them to purchase any of the items listed or recommended. Thank you for supporting me and this channel!
#wireshark #tcp #mtu