Hitachi GR2000 Series Bedienungsanleitung Seite 127

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Confirmation of interface state and routing state
GR2K-GA-0015 5-27
Ver. 07-02
5.4.3.3 Transmission source route information
Execute a show ip dvmrp route command and confirm the transmission source route
information.
Figure 5-49 Result of show ip dvmrp route Command
5.4.4 Confirming the IGMP information
The contents of confirmation when a IGMP function is set using the IPv4 multicast
routing information of the router are as described below.
5.4.4.1 Interface information
Execute a show ip igmp interface command and confirm the following.
Ensure that the Interface in the target Address is appropriate. If no interface
name is shown, IGMP is not operating in that interface. Check the configuration
information to see if the corresponding interface is set to PIM enable (if the
interface is PIM) or is set to both IGMP enable and DVMRP enable (if the
interface is DVMRP). In addition, ensure that the interface is not failing.
Ensure that the Group Count (number of groups belonging to the own router) in
the target Interface is appropriate. If 0 is shown, there may be no corresponding
group or the group host PC may not have sent the IGMP-Report. Inspect the
group host PC.
DVMRP
Router
This Router
192.5.5.100
192.2.2.1
192.2.2.2
DVMRP
Router
Network
Server1
IP
multicast packet
DVMRP
Router
192.1.1.2
192.1.1.3
192.1.1.1
192.3.3
.
1
DVMRP
Router
192.1.1.4
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