So, this is a feature and not an error flag, that indicates that superfluous PIM messages are not sent.
tis 29 maj 2018 kl 14:36 skrev <[email protected]>: > > Mattias Gyllenvarg > > Sent: Tuesday, May 29, 2018 1:05 PM > > > > Dear All > > > > Does anyone know the function of the "n - BGP C-Mroute suppressed " flag > > as seen below? > > > > IP Multicast Routing Table > > Flags: D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - > Connected, > > L - Local, P - Pruned, R - RP-bit set, F - Register flag, > > T - SPT-bit set, J - Join SPT, M - MSDP created entry, E - > Extranet, > > X - Proxy Join Timer Running, A - Candidate for MSDP > Advertisement, > > U - URD, I - Received Source Specific Host Report, > > Z - Multicast Tunnel, z - MDT-data group sender, > > Y - Joined MDT-data group, y - Sending to MDT-data group, > > G - Received BGP C-Mroute, g - Sent BGP C-Mroute, > > N - Received BGP Shared-Tree Prune, n - BGP C-Mroute suppressed, > > Q - Received BGP S-A Route, q - Sent BGP S-A Route, > > V - RD & Vector, v - Vector, p - PIM Joins on route, > > x - VxLAN group > > > > > > (Cust-SOURCE, Cust-MROUTE), 00:00:04/00:02:55, flags: Tn <----- > > Incoming interface: Lspvif22, RPF nbr <RP in source PE>, Mbgp > > Outgoing interface list: > > BDI-CUST, Forward/Sparse, 00:00:04/00:03:25 > > > > > Well with BGP c-mcast you're basically translating the customer PIM > messages > received from attached CE into a BGP routes on PEs -so that you don't need > to run c-PIM full mesh between all PEs participating in a given mVPN (and > for each mVPN) -which is simply not practical. > And same as PIM messages can be supressed in various scenarios (PIM Join > suppression/PIM register suppression) -the resulting BGP updates (PIM msgs > translated into BGP routes) can be suppressed too, to reduce the > unnecessary > messaging churn. > > adam > > netconsultings.com > ::carrier-class solutions for the telecommunications industry:: > > > -- Mvh Mattias Gyllenvarg _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
