Hitachi GR2000 - Manual (Page 229)

The number of interfaces and routing table entries capable of defining IP multica
are shown in Table 4-40. This device supports PIM-DM, PIM-SM and DVMRP as
multicast routing protocols. Also, the PIM-DM and DVMRP protocols do not oper
simultaneously.
Table 4-40 IP Multicast Accommodation Limits
Item Max. Limit
No. of PIM-DM multicast interface * 256 per router
No. of DVMRP multicast interface * ** 32 per router
No. of PIM-SM multicast interface * 31 per router
No. of PIM-DM/DVMRP multicast routing entries (S, G)**
S: Source IP address
G: Group address
10,000 per router
No. of PIM-SM multicast routing entries (S, G) and (*, G)
S: Source IP address G: Group address 1000 per router
No. of IGMP member groups*** 256 per router
No. of neighbor multicast routers 256 per router
No. of static member groups**** 128 per router
No. of DVMRP tunnel interface ( Tunneling interface can be defined
only with DVMRP.)** 32 per router