From Brandon's Tinkerings
- http://www.cisco.com/c/en/us/td/docs/ios/solutions_docs/ip_multicast/White_papers/rps.html#wp1029241
- http://www.cisco.com/c/en/us/td/docs/ios/solutions_docs/ip_multicast/White_papers/rps.html
- http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3750/software/release/12-2_37_se/configuration/guide/scg/swmcast.html
- http://www.cisco.com/c/en/us/support/docs/switches/catalyst-3750-series-switches/98289-pim-stub.html
- http://www.cisco.com/c/en/us/td/docs/ios/solutions_docs/ip_multicast/White_papers/rps.html#wp1029241
- http://www.cisco.com/c/en/us/td/docs/ios/12_2/ip/configuration/guide/fipr_c/1cfmulti.html#wp1001103
- http://nostringsattachedshow.com/2012/01/16/so-you-want-to-play-with-multicast-part-1/
- http://www.cisco.com/c/en/us/support/docs/ip/ip-multicast/9356-48.html
