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User’s Manual of WGS Managed Series
176
Figure 4-7-5
IGMP Snooping Multicast Stream Control
IGMP Versions 1 and 2
Multicast groups allow members to join or leave at any time. IGMP provides the method for members and multicast routers to
communicate when joining or leaving a multicast group.
IGMP version 1 is defined in RFC 1112. It has a fixed packet size and no optional data.
The format of an IGMP packet is shown below:
IGMP Message Format
Octets
0
8 16
31
Type
Response Time
Checksum
Group Address (all zeros if this is a query)
The IGMP Type codes are shown below:
Type
Meaning
0x11
Membership Query (if Group Address is 0.0.0.0)
0x11
Specific Group Membership Query (if Group Address is
Present)
Содержание WGS-4215-8T2S
Страница 1: ...User s Manual of WGS Managed Series 1...
Страница 40: ...User s Manual of WGS Managed Series 40 WGS 4215 8T Dimensions W x D x H 148 x 25 x 134mm...
Страница 41: ...User s Manual of WGS Managed Series 41 WGS 4215 8T2S Dimensions W x D x H 178 x 25 x 134mm...
Страница 42: ...User s Manual of WGS Managed Series 42 WGS 4215 8P2S Dimensions W x D x H 178 x 25 x 134mm...
Страница 43: ...User s Manual of WGS Managed Series 43 WGS 804HPT Dimensions W x D x H 245 x 140 x 24 4 mm...
Страница 151: ...User s Manual of WGS Managed Series 151 VLAN ID 3 Port 4 5 Untagged Port 6 7 Tagged Port 1 3 Excluded...
Страница 175: ...User s Manual of WGS Managed Series 175 Figure 4 7 3 Multicast Service Figure 4 7 4 Multicast Flooding...