RE: certificationZone Bridging White paper ! [7:37393]

2002-03-06 Thread Sexton, Ken
Phil, The first bit within the Source Address Field is normally the I/G bit, to define if the source address is individual (unicast) or group (multicast) address. In an SRB bridged environment, this one bit is used to indicate if any Routing Information Field (RIF) information is present in the T

RE: the RD [7:37401]

2002-03-06 Thread Sexton, Ken
The RDs in the RIF should always be represented in Hex format. When defining the source-bridge command on the router you define as decimal format. However, with that said, you'll see test questions with the decimal equivalence within the RD fields. In either case, I would know how to convert in b

RE: certificationZone Bridging White paper ! [7:37393]

2002-03-06 Thread Sexton, Ken
In the instance where the RII indicator is a 1 the >frame will be 'source routed' if the frame is 'source >routed' then surely this implies that the RIF must be >manipulated in order to reflect the true Source Route To comment of the above, the RII bit doesn't indicate whether the frame is a spec

RE: certificationZone Bridging White paper ! [7:37393]

2002-03-07 Thread Sexton, Ken
'Source Route Transparent' Bridge the RIF field will indeed change ? Contrary to the whitepaper. Phil. --- "Sexton, Ken" wrote: > Phil, > The first bit within the Source Address Field is > normally the I/G bit, to > define if the source address is individual (un

RE: Re[2]: Why we need BGP to establish MPLS? [7:39014]

2002-03-21 Thread Sexton, Ken
MP-iBGP (Multi-Protocol iBGP) is used because it has community extensions inherent to the routing protocol, to pass VPN related information among the PE (Provider Edge) routers. Using Extended Communities VPN related information such as, Route Target (RT), Site of Origin (for dual home CEs) as wel

RE: Re[2]: Why we need BGP to establish MPLS? [7:39014]

2002-03-21 Thread Sexton, Ken
really need to mention that you are working on describing RFC2547bis which happens to use MPLS as a forwarding mechanism. The original question asked why BGP was required for MPLS for which the correct answer is that it isn't. At 11:05 AM 3/21/2002 -0500, Sexton, Ken wrote: >MP-iBG