Repository : ssh://git@open-mesh.org/doc

On branches: backup-redmine/2017-07-13,master

commit 8a1c18e95b0494b64ca871b2261805a5233059e0 Author: Simon Wunderlich sw@simonwunderlich.de Date: Mon Oct 24 21:30:33 2011 +0000

doc: batman-adv/Bridge-loop-avoidance-II

8a1c18e95b0494b64ca871b2261805a5233059e0 batman-adv/Bridge-loop-avoidance-II.textile | 42 +++++++++++++++++++++++++---- 1 file changed, 37 insertions(+), 5 deletions(-)

diff --git a/batman-adv/Bridge-loop-avoidance-II.textile b/batman-adv/Bridge-loop-avoidance-II.textile index 07fa722c..a93741d7 100644 --- a/batman-adv/Bridge-loop-avoidance-II.textile +++ b/batman-adv/Bridge-loop-avoidance-II.textile @@ -206,14 +206,44 @@ If the client is not claimed by any backbone gateway, every backbone gateway sha

(Note that it might be neccesary to connect the checksums to sequence numbers to allow intentionally sent duplicate payload broadcasts)

-h3. backbone gateway grouping - -TODO: explain groups h2. Test Cases

-h3. TODO: Define Roaming Test Cases (LAN -> mesh, mesh -> LAN) +h3. Roaming from backbone to mesh + +!test_roaming_LAN_mesh.dia.png! + +The client is connected to the backbone first and then roams to a mesh node which is not connected to the backbone. + +Ping the internet gateway or a mesh node continuously and see if the connection is recovered. + +h3. Roaming from mesh to backbone + +!test_roaming_mesh_LAN.dia.png! + +The client is connected to a meshnode first and then roams the backbone. + +Ping the internet gateway or a mesh node continuously and see if the connection is recovered. + +h3. A client switches its gateway (due to loss of link/better TQ)

-h3. TODO: Define gateway selection test cases (switch gateways) +!Test_gateway_selection.dia.png! + +Continuously ping the internet gateway from the client, and change the quality of the currently selected node (e.g. adding packet loss). + +h3. Limited Horizon tests + +!Test_limited_horizon.dia.png! + +In this test, the first node A can't reach the last one C due to a limited horizon (the OGMs of A don't reach the OGMs of C and vice versa). + + * Test 1: Client 1 and Client 2 should be able to ping the internet gateway. There are are no bridge loops. + * Test 2: Client 1 and Client 2 should be able to ping each other. + ++note+: Test 2 can only be performed when the batman interface (or one of its VLANs) is used as a batman hard interface. The support for this requires are separate patch. + +h3. VLAN support + +The clients are connected to local VLANs which are used on top of BATMAN. All claim frames should then have a VLAN tag.

h3. Two LANs connected by one mesh

@@ -229,6 +259,8 @@ h3. Two meshes connected by one LAN Two meshes are connected to one LAN. The backbone gateways of each mesh should find themselves and share their claims, but should disregard claims for backbone gateways they are not part of (only possible with the backbone gateway grouping optimization) Every node should be able to reach every other node.

++note:+ this patch requires the group forming patch to be included. + h2. Further ideas

h3. from discussion on 2011-06-08: