Task #1661
Updated by Junxiao Shi almost 10 years ago
Develop an integration test scenario for NCC strategy's ability to react to link failures scenario. Topology /-----\ A B \--C--/ Steps 1. setup RIB entries on hosts: C has a route toward B, A has two routes toward B and C 2. run ping server on B, run ping client on A 3. after 5s: fail link A-B 4. after 5s: recover link A-B 5. after 5s: fail link A-C 6. after 5s: recover link A-C 7. after 5s: stop ping client 8. analyze ping client logs, fail the test case if there is any loss, or RTT is over 100ms for any sequence number Notes * to inject a link failure: use iptables to drop UDP packets on the port numbers used by the tunnel; don't destroy face