Apr
07
Bootstrap router or BSR is standard-based protocol available with PIMv2. The protocol performs the same function as Cisco’s proprietary Auto-RP, i.e. disseminates RP information. Both protocols use the concept of candidate RP, i.e the router that is announcing itself as a potential RP. Unlike Auto-RP, BSR does not use any dense-mode groups to flood candidate RP and RP mapping information. Instead, the information is flooded using PIM messages, on hop-by-hop basis. The flooding procedure... Read More
Nov
16
Part 2 - The Arrival Andrew Spruce emerged from the fourth floor elevator and checked the sign ahead for his room number. He had taken the advice of many of his peers and he was in Raleigh, North Carolina two full days prior to his lab attempt. The plan was to study for the remainder of the evening, and then have a relaxing, casual, non-study kind of day tomorrow. Read More
Nov
14
Today's session of the CCIE R&S Open Lecture Series will be open for guest access, and will start at 1pm US Pacific time (GMT -8).  Just follow this url to join: http://ieclass.internetworkexpert.com/r94413397/ Read More
Oct
31
In this post we will quickly discuss the use of most commonly needed IGMP timers. First, as we know, multicast routers periodically query hosts on a segment. If there are two or more routers sharing the same segment, the one with the lowest IP address is the IGMP querier (per IGMPv2 election procedure – as you remember, IGMPv1 let the multicast routing protocol define the querier). Read More
Sep
09
For those of you that didn't get the original invite there's a free vSeminar on Troubleshooting IP Multicast starting right now via WebEx. The session will run about 2 hours and is starting now, 1:10pm Pacific time. You can login by clicking here. If you're unable to attend make sure to check the schedule for upcoming seminars in the future. Read More
May
06
Hi Brian, Read More
Jan
16
Brian, Read More
Jan
02
Hi Brian, Read More

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