FS S5500-48T8SP Configuration Manual
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- Configuration manual (7 pages) ,
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Summary of Contents for FS S5500-48T8SP
- Page 1 Loopback Detection Configuration Guide Model: S5500-48T8SP...
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Page 2: Table Of Contents
S5500-48T8SP LOOPBACK DETECTION CONFIGURATION GUIDE Contents Chapter 1 Setting Loopback Detection ....................1 1.1 Intro of Loopback Detection ....................1 1.1.1 Format of Loopback Detection Packet ..............1 1.2 Loopback Detection Configuration Tasks ................2 1.3 Setting Loopback Detection ....................2 1.3.1 Configuring Loopback Detection Globally .............. -
Page 3: Chapter 1 Setting Loopback Detection
S5500-48T8SP LOOPBACK DETECTION CONFIGURATION GUIDE Chapter 1 Setting Loopback Detection 1.1 Intro of Loopback Detection The loopback in a network may trigger the repeated transmission of broadcast, multicast or unicast packets, wasting network resources and even leaving network breakdown. To avoid the above-mentioned troubles, it is necessary to provide a detection mechanism to promptly notify users of detecting network connection and configuration at the occurrence of loopback and to take troubled ports under control. -
Page 4: Loopback Detection Configuration Tasks
S5500-48T8SP LOOPBACK DETECTION CONFIGURATION GUIDE 0x8100, VLAN tag type TPID Specific value of the VLAN tag, priority, VLAN ID TYPE Protocol type, which ranges from 0 to 9001 CODE Protocol sub-type, which represents loopback detection and is 0x0001 VERSION 0x0000 (currently reserved) -
Page 5: Configuring Port Loop Check
S5500-48T8SP LOOPBACK DETECTION CONFIGURATION GUIDE [no] loopback-detection Sets loopback detection globally. 1.3.2 Configuring Port Loop Check If you want to enable or disable loopback detection on a specified port, you should first enable loopback detection globally. Command Purpose [no] loopback-detection enable Configures port loopback detection. -
Page 6: Configuring Port Control
S5500-48T8SP LOOPBACK DETECTION CONFIGURATION GUIDE transmission time; if the transmission time is set to be a very small value, you'd better set the recovery time to be at least 10 seconds longer than the transmission time. 1.3.5 Configuring Port Control... -
Page 7: Displaying The Configuration Of Global Loopback Detection
S5500-48T8SP LOOPBACK DETECTION CONFIGURATION GUIDE When a port is up and port loopback detection takes effect, the command above is used to set whether loopback exists on this port. When a port is in shutdown state, this port is not suitable to set to have loopback, for the port in shutdown state cannot forward packets. - Page 8 S5500-48T8SP LOOPBACK DETECTION CONFIGURATION GUIDE Configuration of interface GigaEthernet0/1: switchport trunk vlan-untagged 1-3 switchport mode trunk loopback-detection enable loopback-detection control block loopback-detection vlan-control 1-5 Global Configuration loopback-detection vlan 1-3 Switch S2: Configuration of interface GigaEthernet0/1: switchport mode trunk Configuration of interface GigaEthernet0/2:...
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