H31-161 · Question #54
<Quidway>display igmp group IGMP interface group report information of VPN-Instance: public net Ethernet6/1/1(40.1.1.1): Total 1 IGMP Group reported Group: 232.0.0.1 Uptime: 00:00:22 Expires: off…
The correct answer is B. IGMP sends two messages. In one message, the multicast source is 20.1.1.56 and the S flag is. See the full explanation below for the reasoning.
Question
<Quidway>display igmp group IGMP interface group report information of VPN-Instance: public net Ethernet6/1/1(40.1.1.1):
Total 1 IGMP Group reported Group: 232.0.0.1 Uptime: 00:00:22 Expires: off Last reporter: 40.1.1.3 Last-member-query-counter: 0 Last-member-query-timer-expiry: off Group mode: include Version1-host-present-timer-expiry: off Version2-host-present-timer-expiry: off Source list:
Source: 20.1.1.56 Uptime: 00:00:22 Expires: 00:05:08 Last-member-query-counter: 3 Last-member-query-timer-expiry: 00:00:01 Source: 20.1.1.57 Uptime: 00:00:22 Expires: 00:00:17 Last-member-query-counter: 3 Last-member-query-timer-expiry: 00:00:01 The preceding information shows the entry states in the IGMP interface table on Ethernet 6/1/1. Which statement is true when IGMP sends source/group query messages?
Options
- AIGMP sends two messages. In one message, the multicast source is 20.1.1.56 and the S flag is
- BIGMP sends two messages. In one message, the multicast source is 20.1.1.56 and the S flag is
- CIGMP sends one message in which the multicast sources are 20.1.1.56 and 20.1.1.57 and the S
- DIGMP sends one message in which the multicast sources are 20.1.1.56 and 20.1.1.57 and the S
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- D3% (1)
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