Traceroute ICMP option doesn't work
M K Verma
manishverma1420 at gmail.com
Thu Dec 10 12:23:18 UTC 2020
Are you aware of how -I(ICMP) can be fixed on Busybox?
I have gone through the code, tested and I see the -I(ICMP) is sent instead
of UDP in case of IPv4 hosts when a flag is enabled in the defconfig.
The same does not work out in case of IPv6 hosts, UDP packets are sent
Is this an architectural limitation of Busybox ? Or there is a room for a
fix here ?
If a fix is possible, we can together work on this.
I have an IPv6 network where this can be tested.
On Wed, Dec 9, 2020, 21:55 Denys Vlasenko <vda.linux at googlemail.com> wrote:
> On Wed, Dec 9, 2020 at 3:28 PM M K Verma <manishverma1420 at gmail.com>
> > Do you guys see traceroute -6 www.cisco.com completing for you ?
> My network has no IPv65
> > The same command with -I(ICMP) completes in Linux PC.
> > Will this be fixed someday on the Busybox? There is a bug that's still
> open apparently.
> > traceroute -6 to some of the sites from Busybox never completes.
> If somebody develops a patch.
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