Bug#628627: Wrong MSS value listed via -ne options

[Mark Hobley]

Package: net-tools
Version: 1.60-23
Severity: normal

Configure the Maximum Transmission Unit and Maximum Segment Size using the
ip command as follows:

ip route change default via 10.0.0.1 mtu lock 1412 advmss 1372

Now, try to display the kernel routing table with the route command:

route -ne

Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
0.0.0.0         10.0.0.1        0.0.0.0         UG     1412 0          0 eth0
10.0.0.0        0.0.0.0         255.255.255.0   U         0 0          0 eth0

Note that the value under MSS does not match the value ordered by the ip
command.

Maybe the heading in the routing table read MTU here.

-- System Information:
Debian Release: 6.0.1
  APT prefers stable
  APT policy: (990, 'stable'), (50, 'unstable'), (1, 'experimental')
Architecture: i386 (i386)

Kernel: Linux 2.6.39-1-486
Locale: LANG=en_GB, LC_CTYPE=en_GB (charmap=ISO-8859-1)
Shell: /bin/sh linked to /bin/dash

Versions of packages net-tools depends on:
ii  libc6                         2.11.2-10  Embedded GNU C Library: Shared lib

net-tools recommends no packages.

net-tools suggests no packages.

-- no debconf information