Information Technology Reference
In-Depth Information
Figure 11-16 SPT Switchover Process
R3
Source
RP
(S,G)
Prune
R2
R5
R1
R6
RP-Bit
Prune
(S,G) Join
R4
R7
Receiver
Example 11-7 Source Tree State Information Indicates SPT Switchover on R4
R4#show ip mroute 224.1.1.1
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,
X - Proxy Join Timer Running, A - Candidate MSDP Advertisement,
U - URD, I - Received Source Specific Host Report, Z - Multicast Tunnel
Y - Joined MDT-data group, y - Sending to MDT-data group
Outgoing interface flags: H - Hardware switched
Timers: Uptime/Expires
Interface state: Interface, Next-Hop or VCD, State/Mode
(*, 224.1.1.1), 00:02:59/stopped, RP 10.1.1.2, flags: SF
Incoming interface: Serial4/0, RPF nbr 10.2.1.10
Outgoing interface list:
Serial2/0, Forward/Sparse, 00:02:59/00:02:58
(10.5.1.5, 224.1.1.1), 00:01:58/00:03:25, flags: T
Incoming interface: Serial3/0, RPF nbr 10.2.1.5
Outgoing interface list:
Serial2/0, Forward/Sparse, 00:01:58/00:02:58
 
Search WWH ::




Custom Search