Yesterday during multicast testing we enabled pim on lan interface of cisco router as well as on serial interfaces. In the lab end to end customers were working over l2tpv3 and tunnel was establishing successfully. The moment pim sparse mode was enabled on lan interface end to end customer was not able to reach. But if the customer was conifgured as layer vpn it worked fine end to end. In layer 2 circuit l2tunnel was up but no data flow works on it. As soon as pim sparse mode was disabled from lan interface data flow started on l2 tunnel. Issues faced only with l2tpv3 protocol after enabling pim sparse mode on lan interface.
Cisco IOS used during testing:- c1841-spservicesk9-mz.123-14.YT1.bin
regards
shivlu jain
Friday, March 27, 2009
Sparse Mode Made Clients Down
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