netsec-ethz / netsec-ethz/jpan-cli

Traceroute aborts after SCMP error

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@tzaeschke is already working on this.

Since Mar 27, 2026.

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Description

Currently, an SCMP error (e.g. external interface down) will cause traceroute to exit.
It should instead show at least all results up until the failed interface. In addition, the error could indicate the failed interface.

This is currently not possible due to how JPAN works, so this requires a change in JPAN.
See also https://github.com/scionproto-contrib/jpan/issues/236

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