Package: net-tools
Version: 1.60-19
Severity: minor
route(8) says:
irtt I
set the initial round trip time (irtt) for TCP connections
over this route to I milliseconds (1-12000). This is
typically only used on AX.25 networks. If omitted the RFC
1122 default of 300ms is used.
RFC 1122 default initial RTT is 0. It's the initial RTO
(retransmission timeout) that is 3000ms (not 300), which is
achieved by setting rttvar accordingly (if I understand
correctly).
I'm not aware of the 12000 limit. The TCP rto_max is 120
seconds (120000).
I'm under the impression that values of rtt under 3s are ignored
at least with the 2.6.24.2 kernel, so the range could be
(3000-120000). I'm not sure what the "AX.25" refers to.
-- System Information:
Debian Release: lenny/sid
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: i386 (i686)
Kernel: Linux 2.6.25-rc8 (PREEMPT)
Locale: LANG=en_GB.ISO-8859-15, LC_CTYPE=en_US.ISO-8859-15 (charmap=ISO-8859-15)
Shell: /bin/sh linked to /bin/bash
Versions of packages net-tools depends on:
ii libc6 2.7-11 GNU C Library: Shared libraries
net-tools recommends no packages.
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