Zyxel XGS-4728F [150/491] Multiple stp
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Zyxel XGS-4728F [150/491] Multiple stp

Zyxel XGS-4728F [150/491] Multiple stp
Chapter 13 Spanning Tree Protocol
XGS-4526/4528F/4728F User’s Guide
150
Note: Each port can belong to one STP tree only.
13.1.5 Multiple STP
Multiple Spanning Tree Protocol (IEEE 802.1s) is backwards compatible with STP/
RSTP and addresses the limitations of existing spanning tree protocols (STP and
RSTP) in networks to include the following features:
• One Common and Internal Spanning Tree (CIST) that represents the entire
network’s connectivity.
• Grouping of multiple bridges (or switching devices) into regions that appear as
one single bridge on the network.
• A VLAN can be mapped to a specific Multiple Spanning Tree Instance (MSTI).
MSTI allows multiple VLANs to use the same spanning tree.
• Load-balancing is possible as traffic from different VLANs can use distinct paths
in a region.
13.1.5.1 MSTP Network Example
The following figure shows a network example where two VLANs are configured on
the two switches. If the switches are using STP or RSTP, the link for VLAN 2 will be
blocked as STP and RSTP allow only one link in the network and block the
redundant link.
Figure 57 STP/RSTP Network Example
A
B
VLAN 1
VLAN 2

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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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