In the last step of this test, r1's link to r2 is shut down but
both routers stay connected through a multi-hop LDP session. That
happens because r1 and r2 have a targeted adjacency created by
the pseudowire. The test then checks whether the pseudowire is
still up, using an alternate path for nexthop resolution.
Everything's fine except for the fact that LDP GTSM (aka
ttl-security) is enabled by default. This means that messages sent
over a multi-hop session are not delivered. In the case of this
test, it can prevent PW-Status notifications from being delivered,
which in turn can prevent the pseudowire from coming back up.
Fix the test by disabling GTSM so that LDP multi-hop sessions can
work normally. This is in accordance with RFC6720 which mentions
that GTSM should be disabled (statically or dynamically) for
multi-hop sessions.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
Debugs take up a significant amount of cpu time as well as
increased disk space for storage of results. Reduce test
over head by removing the debugs, Hopefully this helps
alleviate some of the overloading that we are seeing in
our CI systems.
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
OSPF when it is deciding on whom it should elect for DR and backup
has a process that prioritizes network stabilty over the exact
same results of who is the DR / Backups.
Essentially if we have r1 ----- r2
Let's say r1 has a higher priority, but r2 comes up first, starts
sending hello packets and then decides that it is the DR. At some
point in time in the future, r1 comes up and then connects to r2
at that point it sees that r2 has elected itself DR and it keeps
it that way.
This is by design of the system. With our tight ospf timers as
well as high load being experienced on our test systems. There
exists a bunch of ospf tests that we cannot guarantee that a
consistent DR will be elected for the test. As such let's not
even pretend that we care a bunch and just look for `Full`.
If we care about `ordering` we need to spend more time getting
the tests to actually start routers, ensure that htey are up and
running in the right order so that priority can take place.
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
Change every `-` to `_` in directory names. This is to avoid mixing _ and -.
Just for consistency and directory sorting properly.
Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>
