In principle it should work, although I have not tested it. The trick
with redundancy is, that the number of visible slaves and the order of
packet traversal must not change when a single link is destroyed.
You are quite correct in the assumption that redundancy is transparent
to the application. The status is only required to report a redundant
state or not, otherwise redundancy would be useless to the user. The
state is not required by the application to select another
source/destination of data.
- Richard
PS. I just love your ascii art ;) Monospace font, yeah!
On 27.02.2015 05:28, Gavin Lambert wrote:
Hi,
I have a question regarding support for cable redundancy in the stable-1.5
branch.
I know that it has options for enabling a "backup" network port on the PC
and connecting the end of a single chain to this port. Presumably this is
mostly transparent to the application code (although it can query for
status)?
Does it also support redundant tree links similarly?
Eg. PC ---- SL1 --- SL2 --- SW --- SL3 --- SL4 -+
| | | |
| +- SL5 --+ +-- SL8 -+ |
| | | |
| +- SL6 ------- SL7 -+ |
+------------------------------------------+
I know I've seen a diagram like this with an internal ring on a tree branch
somewhere, although I'm having trouble locating the reference now. Maybe
this is a feature of the switch slave rather than of the master?
Regards,
Gavin Lambert
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Richard Hacker
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