Author: toad
Date: 2006-12-05 14:57:13 +0000 (Tue, 05 Dec 2006)
New Revision: 11232
Modified:
trunk/freenet/src/freenet/io/comm/UdpSocketManager.java
Log:
Assume MTU of 1472 (not 1476).
Modified: trunk/freenet/src/freenet/io/comm/UdpSocketManager.java
===================================================================
--- trunk/freenet/src/freenet/io/comm/UdpSocketManager.java 2006-12-05
00:32:33 UTC (rev 11231)
+++ trunk/freenet/src/freenet/io/comm/UdpSocketManager.java 2006-12-05
14:57:13 UTC (rev 11232)
@@ -673,8 +673,9 @@
* @return The maximum packet size supported by this SocketManager.
*/
public int getMaxPacketSize() {
- return 1476-28; // GRE (1476) minus headers (20 IP 8 UDP)
- // Note that some auth packets can be over 1400 bytes.
+ return 1472-28; // officially GRE is 1476 and PPPoE is 1492.
+ // unofficially, PPPoE is often 1472 (seen in the wild). So use that.
+ // Minus 28 bytes for UDP/IP header.
}
/**
