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Robert Ricci authored
Use '*' as the bandwidth on the link line in the .top file to have assign auto-select the speed for the link - it uses the slower of the two interfaces selected as endpoints for the link. Tested, but not heavily. Known limitations: * Doesn't work with trivial or emulated links, it's not clear what the semantics would be. * Doesn't work on links that go directly to switches, for complicated reasons of code strcutre. We never use these in practice anyway. * Not yet supported in XML parser; it should be a special tag or attribute in that format. * Might not find valid solutions in a very unlikely case: if a single node has interfaces of different speeds on the same physical switch, this code will always select the faster interface that's not already in use. If the faster interface is faster than the inter-switch bandwidth, and the slower interface is slower than it, assign *could* find a feasible solution by using the slower interface. However, it will never try this solution. * Assign doesn't print the speed it picks; its up to the wrapper to know how fast the interface is. However, this shouldn't be an undue burden, as assign *never* prints out link speeds.
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