restrictions (continued)
SSM 260
RFC 39
1112, IP multicast and IGMP 39
RGMP 113
RGMP (example) 117
Router-Port Group Management Protocol 113
See RGMP 113
RP 144, 149
sparse-mode cloud 149
RP announcement messages 152
RPF 138
RPF check fails (figure) 139
RPF check succeeds (figure) 139
RPs 160
candidate 160
S
Service Discovery Gateway 312
filtering 312
query 312
service list 312
service list 313
shared tree 135, 136
advantage 136
shared tree versus source tree (figure) 332
shortest path tree 332
shortest-path tree, preventing 331
source specific multicast 28
Source Specific Multicast 267
See SSM 267
source tree 136
advantage 136
sparse mode 126
sparse-dense mode 127
sparse-mode register messages 331
SSM 25, 261, 263
addresses 25
IGMPv3 host signalling 263
overview 261
SSM (Source Specific Multicast) 261, 262
differences from ISM 261
operations 262
SSM mapping 264, 265, 274, 279
DNS-based SSM mapping 265
monitoring 279
overview 264
static SSM mapping 265
static traffic forwarding 274
SSM Mapping 271
configuring DNS-based SSM mapping 271
SSM, ISM and IGMPv3 263
stack changes, effects on 43, 289
IGMP snooping 43
multicast routing 289
stacks, switch 289
multicast routing, active switch and member roles 289
statistics 302
IP multicast routing 302
subnets 311
T
troubleshooting 181
PIMv1 and PIMv2 interoperability problems 181
V
Verifying multicast operations 172, 173, 174
last hop router 174
on routers along the SPT 172, 173
IP Multicast Routing Configuration Guide, Cisco IOS XE Release 3.6E (Catalyst 3850 Switches)
IN-4 OL-32598-01
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