Zyxel XGS-4728F [345/491] Igmp overview

Zyxel XGS-4728F [345/491] Igmp overview
XGS-4526/4528F/4728F User’s Guide
345
CHAPTER 38
IGMP
This chapter shows you how to configure the Switch as a multicast router. See also
Section 24.4 on page 232 for information on IGMP snooping.
38.1 IGMP Overview
IP multicast is an IETF standard for distributing data to multiple recipients. The
following figure shows a multicast session and the relationship between a
multicast server, multicast routers and multicast hosts. A multicast server
transmits multicast packets and multicast routers forward multicast packets to
multicast hosts.
Figure 168 IP Multicast
A host can decide to join or leave a multicast group at any time. A host can also be
a member of more than one multicast group. Multicast groups are identified by IP
addresses in the Class D range (224.0.0.0 to 239.255.255.255). A multicast
server sends packets addressed to a particular multicast group (multicast IP
address).
Server
Multicast Routers
Hosts

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Здравствуйте! Свич Zyxel XGS-4728F в консоле видает : Bootbase Version: V1.00 | 10/22/2007 12:48:50RAM:Size = 128 MbytesDRAM POST: Testing:131072K OKDRAM Test SUCCESS !FLASH: Intel 64MCopyright (c) 1994 - 2011 ZyXEL Communications Corp.Data abort occuredFault Status = 0x000000F5Fault Addr = 0xE59FF570Current Task TCB = 0x0129ED10Current Task Name = PINICurrent Task Stack Start = 0x0129EDACCurrent Task Stack End = 0x012A5E2BAbnormal Stack Task List : NONE r0= 0x000000F5 r1= 0xE59FF570 r2= 0xE59FF018 r3= 0xE59FF000 r4= 0x00D135FC r5= 0xE59FF018 r6= 0x00D135FC r7= 0x00067FC0 r8= 0x00D135FC r9= 0x00000000 r10=0x00000004 fp= 0x012A5CD4 r12=0x00000000 sp= 0x012A5C14 lr= 0x00000564 pc= 0x0011DC40 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 12a5cc8: 01 2a 5d 08 01 2a 5c d8 00 11 e8 6c 00 11 d9 d8 .*]..*\.l. 12a5cd8: 00 00 00 00 00 00 00 00 01 1b 13 74 01 2a 5d 08 .t.*]. 12a5ce8: 00 d1 44 f8 00 cf a2 10 00 cf a3 38 00 00 00 00 ..D.8. 12a5cf8: 00 00 00 00 01 2a 5d 7c 01 2a 5d 0c 00 12 06 80 .*]|.*]. 12a5d08: 00 11 e7 90 00 08 c6 d4 00 65 7d 34 00 fe 12 b0 .e}4. 12a5d18: 01 2a 5d 34 01 2a 5d 28 00 09 b8 c4 00 08 c6 c8 .*]4.*]. 12a5d28: 01 2a 5d 4c 01 2a 5d 38 00 17 c9 3c 00 09 b8 c0 .*]L.*]8.<. 12a5d38: 00 fe 12 b0 00 00 00 00 01 2a 5d 64 01 2a 5d 50 .*]d.*]P 12a5d48: 00 17 c9 b8 00 09 bb e8 00 ae c1 58 00 ae c2 28 .X( 12a5d58: 01 2a 5d 7c 01 2a 5d 68 01 2a 5d 7c 00 d0 7b 44 .*]|.*]h.*]|..{D 12a5d68: 00 d0 7b 44 00 cf a2 10 01 2a 5e 10 01 2a 5d 80 ..{D.*^..*]. 12a5d78: 00 06 ff b8 00 12 06 5c 00 00 01 2c 23 f1 97 40 .\.,#..@ 12a5d88: 00 0e 68 c0 00 00 00 00 ef ef ef ef ef ef ef ef ..h. 12a5d98: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a5da8: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a5db8: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a5dc8: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a5dd8: ef ef ef ef ef ef ef ef 00 00 00 01 00 00 00 53 .S 12a5de8: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 . 12a5df8: 00 00 00 00 00 00 00 00 00 00 00 00 01 2a 5e 20 .*^ 12a5e08: 01 2a 5e 14 00 65 80 4c 00 06 fd d4 00 00 00 00 .*^..e.L. 12a5e18: 01 2a 5e 24 00 00 00 00 00 65 80 2c 00 00 00 00 .*^$.e.,. 12a5e28: ef ef ef ef 00 00 00 00 00 00 00 00 00 00 00 00 . 12a5e38: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 . 12a5e48: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 . 12a5e58: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 . 12a5e68: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 . 12a5e78: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 . 12a5e88: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 . 12a5e98: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 . 12a5ea8: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 . 12a5eb8: 00 00 00 00 00 00 00 00 00 00 00 00 54 48 52 44 .THRD 12a5ec8: 00 00 00 01 01 2a 7e a0 01 2a 5f 60 01 2a 7f 5f .*~..*_`.*._ 12a5ed8: 00 00 20 00 00 00 00 00 00 00 00 00 01 2a 5e c4 .. .*^. 12a5ee8: 01 2a 5e c4 00 93 0c 50 00 00 00 04 00 00 00 03 .*^.P. 12a5ef8: 00 00 00 00 00 00 00 00 00 00 00 04 00 00 00 10 . 12a5f08: 00 00 00 00 00 08 d4 4c 01 2a 5e c4 00 00 00 00 .L.*^. 12a5f18: 00 00 00 00 00 65 89 30 01 2a 5e c4 00 00 00 00 .e.0.*^. 12a5f28: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 . 12a5f38: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 . 12a5f48: 00 00 00 00 00 00 00 00 00 00 00 00 01 2a 7f f8 .*.. 12a5f58: 01 29 ed 10 00 00 00 00 ef ef ef ef ef ef ef ef . 12a5f68: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a5f78: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a5f88: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a5f98: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a5fa8: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a5fb8: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a5fc8: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a5fd8: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a5fe8: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a5ff8: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a6008: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a6018: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a6028: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a6038: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a6048: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a6058: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a6068: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a6078: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a6088: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a6098: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a60a8: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a60b8: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef . 12a60c8: ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef ef .Bootbase Version: V1.00 | 10/22/2007 12:48:50RAM:Size = 128 MbytesFLASH: Intel 64M Как устранить проблему? Спасибо.
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