diff -r 597c0b4c2f05 src/node/packet-socket.cc
--- a/src/node/packet-socket.cc	Fri Mar 05 16:30:58 2010 -0800
+++ b/src/node/packet-socket.cc	Fri Mar 05 20:49:02 2010 -0800
@@ -43,7 +43,7 @@
                      MakeTraceSourceAccessor (&PacketSocket::m_dropTrace))
     .AddAttribute ("RcvBufSize",
                    "PacketSocket maximum receive buffer size (bytes)",
-                   UintegerValue (0xffffffffl),
+                   UintegerValue (131072),
                    MakeUintegerAccessor (&PacketSocket::m_rcvBufSize),
                    MakeUintegerChecker<uint32_t> ())
     ;
diff -r 597c0b4c2f05 src/node/tcp-socket.cc
--- a/src/node/tcp-socket.cc	Fri Mar 05 16:30:58 2010 -0800
+++ b/src/node/tcp-socket.cc	Fri Mar 05 20:49:02 2010 -0800
@@ -45,7 +45,7 @@
                    MakeUintegerChecker<uint32_t> ())
     .AddAttribute ("RcvBufSize",
                    "TcpSocket maximum receive buffer size (bytes)",
-                   UintegerValue (0xffffffffl),
+                   UintegerValue (131072),
                    MakeUintegerAccessor (&TcpSocket::GetRcvBufSize,
                                          &TcpSocket::SetRcvBufSize),
                    MakeUintegerChecker<uint32_t> ())
diff -r 597c0b4c2f05 src/node/udp-socket.cc
--- a/src/node/udp-socket.cc	Fri Mar 05 16:30:58 2010 -0800
+++ b/src/node/udp-socket.cc	Fri Mar 05 20:49:02 2010 -0800
@@ -39,7 +39,7 @@
     .SetParent<Socket> ()
     .AddAttribute ("RcvBufSize",
                    "UdpSocket maximum receive buffer size (bytes)",
-                   UintegerValue (0xffffffffl),
+                   UintegerValue (131072),
                    MakeUintegerAccessor (&UdpSocket::GetRcvBufSize,
                                          &UdpSocket::SetRcvBufSize),
                    MakeUintegerChecker<uint32_t> ())