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--- networking:mtu_test [2015/10/20 16:12]
gcooper
+++ networking:mtu_test [2020/02/04 12:46] (current)
gcooper
@@ Line 11: / Line 11: @@
 **MSS** (maximum TCP segment size) is the maximum data bytes carried within a TCP packet. **1472** is fairly safe.  Less than that is problematic due to fragmentation.
-^Connection  ^MTU     ^MSS      ^Note                                       ^
+^Connection   ^MTU     ^MSS      ^Note                                       ^
-|DSL (PPPoE) |1492    |1464     |PPPoE = 8 bytes, Breaks Exchange SMTP      |
+|DSL (PPPoE)  |1492    |1464     |PPPoE = 8 bytes, Breaks Exchange SMTP      |
-|Cable       |1500    |1472     |Should cause no issues with fragmentation  |
+|Cable        |1500    |1472     |Should cause no issues with fragmentation  |
-|IPSec VPN   |1446    |1418     |Mikrotik, No effort at optimization        |
+|IPSec VPN    |1446    |1418     |Mikrotik, No effort at optimization        |
+|Jumbo Frames |9000    |8972     |Used for storage networks, Max throughput  |
 ===== Linux =====
@@ Line 47: / Line 48: @@
 ===== Windows =====
+https://support.microsoft.com/en-us/help/900926/recommended-tcp-ip-settings-for-wan-links-with-a-mtu-size-of-less-than
 <file>
@@ Line 57: / Line 60: @@
 ==== For Windows ====
+https://www.iea-software.com/products/mtupath/
+<file>
+mtupath hostname.yourdomain.tld
+</file>
 http://www.elifulkerson.com/projects/mturoute.php
 <file>
+mturoute <hostname or IP>
 mturoute -t <hostname or IP>
 </file>

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