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Joachim Wiberg
fe2d0f488d
This commit greatly simplifies AsciiDoc image references in generated Readme.adoc files. The two focused use-cases that remain after this change are working references in: - Generated output/images/test-report.pdf - Viewing test's Readme.adoc from GitHub Previously we aimed to have working images also when the test's Readme was included in the parent directory's Readme.adoc. This, however, is not supported as of this commit. It seems unlikely also to ever be a supported feature of AsciiDoc on GitHub, for details, see the following issue: <https://github.com/github/markup/issues/1095> Signed-off-by: Joachim Wiberg <troglobit@gmail.com>
ifdef::topdoc[:imagesdir: {topdoc}../../test/case/ietf_interfaces/bridge_stp_basic]
=== Bridge STP Basic
==== Description
First, verify that a fully connected mesh of 4 DUTs is pruned to a
spanning tree.
Since the mesh contains 3 redundant paths, can infer that a spanning
tree has been created if all host interfaces can reach each other
while exactly three links are in the blocking state.
Then, assign explicit priorities to all bridges and ports, and verify
that a spanning tree rooted at A is formed, with B, C, and D all
directly connected to A.
==== Topology
image::topology.svg[Bridge STP Basic topology, align=center, scaledwidth=75%]
==== Sequence
. Set up topology and attach to target DUT
. Configure a bridge with spanning tree eneabled on dut a, b, c, and d
. Add an IP address to each host interface in the 10.0.0.0/24 subnet
. Verify that exactly three links are blocking
. Verify that host:a can reach host:{b,c,d}
. Add explicit port and bridge priorities: a,b,c,d=>1,2,3,4
. Verify that A, B, C and D agrees on A being the root bridge
. Verify that B, C and D all use their direct connection to on A
. Verify that host:a can reach host:{b,c,d}