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20 

Figure 23 Configuring port settings 

 

 

Port Info 

1. 

From the navigation pane, select 

Switch Settings

 > 

Port Settings

. 

2. 

You can view port information in the 

Port Info

 area. 

Port Mirroring 

Overview 

Port mirroring copies the packets passing through a port to the destination port that connects to a 
data monitoring device for packet analysis. 

Concepts 

Mirroring source 

Monitored port on the device. Packets of the monitored  port  will be copied and sent to the 
destination port. 

Mirroring destination 

Port that connects to the data monitoring device. Packets of the source port will be copied and sent 
to the destination port. 

Mirroring direction 

Direction of packets copied on a mirroring source. 

•

 

Rx

—Copies only packets received by the source port. 

•

 

Tx

—Copies only packets sent by the source port. 

•

 

Both

—Copies packets sent and received by the source port. 

Summary of Contents for S1600V2 Series

Page 1: ...H3C S1600V2 Switch Series Web Configuration Guide New H3C Technologies Co Ltd http www h3c com Software version Release 8806 and later Document version 6W100 20240307...

Page 2: ...H3C Technologies Co Ltd any trademarks that may be mentioned in this document are the property of their respective owners Notice The information in this document is subject to change without notice A...

Page 3: ...t you replace with actual values Square brackets enclose syntax choices keywords or arguments that are optional x y Braces enclose a set of required syntax choices separated by vertical bars from whic...

Page 4: ...generic network device such as a router switch or firewall Represents a routing capable device such as a router or Layer 3 switch Represents a generic switch such as a Layer 2 or Layer 3 switch or a...

Page 5: ...ardware model configuration or software version It is normal that the port numbers sample output screenshots and other information in the examples differ from what you have on your device Documentatio...

Page 6: ...ection 12 Overview 12 Restrictions and guidelines 12 Procedure 13 Loop Prevention 13 Overview 13 Procedure 14 Configuration examples 16 Example Configuring basic loop detection functions 16 Switch Set...

Page 7: ...39 Configuring port VLAN settings 40 Displaying port VLAN information 41 Configuration example 42 Network configuration 42 Procedure 42 QoS Settings 46 Port Rate Limit 46 Overview 46 Configuring port...

Page 8: ...k whether the PC is enabled with the proxy service If the PC uses a proxy server to access the Internet disable the proxy service 4 Open the browser enter http 192 168 0 233 in the address bar and the...

Page 9: ...will read every piece of feedback carefully and continuously optimize our product based on your opinions Thank you for your support and understanding Webpage layout Figure 2 Webpage layout 1 Navigatio...

Page 10: ...on the port Fiber port The port is disconnected The port is connected A loop was detected on the port and loop protection was triggered A loop was detected on the port Top level menu items and featur...

Page 11: ...formation Port Isolation Enable disable port isolation Display port isolation information Static MAC Add and delete static MAC address entries Configure source MAC blocking Display MAC address informa...

Page 12: ...e Table 6 to navigate to the tasks you can perform from the QoS Settings menu Table 6 QoS Settings menu navigator Menus Tasks Port Rate Limit Enable disable port rate limiting Display port bandwidth i...

Page 13: ...on and port information Port Statistics 1 From the navigation pane select Home 2 In the port statistics area you can view port statistics information including port physical state packets sent success...

Page 14: ...em IP Settings 2 Configure the DHCP enabling state By default DHCP is enabled 3 Select the management VLAN 4 Enter the management IP address subnet mask and gateway address 5 Click Submit 6 In the dia...

Page 15: ...select System Account 2 In the New Password field enter a new password The default password is admin 3 Enter the new password again in the Confirm Password field 4 Click Submit Figure 6 Configuring ac...

Page 16: ...pgrade 1 From the navigation pane select System System Upgrade 2 Click Select File and then select the target local file 3 Click Upgrade 4 In the dialog box that opens click OK Refresh the webpage aft...

Page 17: ...Figure 9 System upgrade page Figure 10 Confirming operation Restore to Factory 1 From the navigation pane select System Restore to Factory 2 Click Restore to Factory Wait for the restoration to comple...

Page 18: ...11 Figure 11 Restoring factory default settings Figure 12 Prompt page...

Page 19: ...stics page Cable Detection Overview Table 7 Cable detection results Detection result Description Error Failed to obtain data Short Circuit Verify whether a loop exists or change the cable Disconnected...

Page 20: ...verview Background The loop detection mechanism performs periodic checks for Layer 2 loops The mechanism immediately generates a log message when a loop occurs so that you are promptly notified to adj...

Page 21: ...te This process is the automatic port state recovery process Procedure Configure Loop Prevention 1 From the navigation pane select Monitoring Loop Prevention 2 To configure loop protection Select Loop...

Page 22: ...15 Figure 16 Loop prevention page Figure 17 Loop protection...

Page 23: ...y shut down the interface on which a loop is detected Figure 19 Network diagram Procedure 1 From the navigation pane select Monitoring Loop Prevention 2 Select Loop Protection from the Loop Feature li...

Page 24: ...e 20 Loop prevention page Figure 21 Loop protection Verifying the configuration As shown in Figure 22 when a loop is detected on port 3 you can view that port 2 is blocked and its icon is displayed in...

Page 25: ...18 Figure 22 Port loop information...

Page 26: ...duplex mode The interface can send and receive packets simultaneously Half duplex mode The interface can only send or receive packets at a given time Auto negotiation mode The interface negotiates a d...

Page 27: ...acket analysis Concepts Mirroring source Monitored port on the device Packets of the monitored port will be copied and sent to the destination port Mirroring destination Port that connects to the data...

Page 28: ...tion pane select Switch Settings Port Mirroring 2 You can view port mirroring information in the Port Mirroring Info area 3 To clear port mirroring information click the delete icon Port Isolation Ove...

Page 29: ...A MAC address entry includes a destination MAC address an outgoing interface and a VLAN ID When the device receives a frame it uses the destination MAC address of the frame to look for a match in the...

Page 30: ...s the outgoing interface and overwrites the old entry for MAC A Forwards frames destined for MAC A out of Port B to the illegal user As a result the illegal user obtains the data of Host A To improve...

Page 31: ...n pane select Switch Settings Static MAC 2 You can view the static MAC addresses in the Static MAC Info area Filtering MAC addresses 1 From the navigation pane select Switch Settings MAC Search 2 Ente...

Page 32: ...25 Figure 28 MAC address filtering Figure 29 MAC address filtering result MAC List 1 From the navigation pane select Switch Settings MAC List 2 You can view the MAC address information...

Page 33: ...usted port can forward DHCP messages correctly to make sure the clients get IP addresses from authorized DHCP servers Untrusted An untrusted port discards received DHCP ACK and DHCP OFFER messages to...

Page 34: ...ect the trusted or untrusted port state By default all ports on the device are trusted ports after DHCP snooping is enabled b Select the target ports from the port list c Click Submit Figure 31 DHCP s...

Page 35: ...er twisted pair cables PoE system As shown in Figure 34 a PoE system includes the following elements PoE power supply A PoE power supply provides power for the entire PoE system PSE A power sourcing e...

Page 36: ...Switch Settings PoE Settings 2 In the PoE Info area configure the PoE state for the target port By default PoE is enabled for a port 3 In the dialog box that opens click OK Figure 35 PoE settings page...

Page 37: ...al port mirroring in source port mode to enable the server to monitor the bidirectional traffic of the two departments Figure 37 Network diagram Destination port Device Server The Marketing Port 1 Por...

Page 38: ...erifying the configuration As shown in Figure 40 the port mirroring direction is both the monitor port is port 2 and the source port is port 1 Verify that you can monitor the incoming packets and outg...

Page 39: ...ce connects to the Internet through Port 4 Configure the device to provide Internet access for all the hosts and isolate them from one another Figure 41 Network diagram Procedure 1 From the navigation...

Page 40: ...the configuration 1 From the navigation pane select Switch Settings Port Isolation 2 Verify that Port 1 Port 2 and Port 3 are isolated from one another at Layer 2 and Host A Host B and Host C cannot c...

Page 41: ...Add a static MAC address entry with destination address 00 0f e2 35 dc 71 outgoing interface Port 1 and VLAN ID 1 1 From the navigation pane select Switch Settings Static MAC 2 Enter MAC address 00 0f...

Page 42: ...35 Figure 47 Adding a static MAC address entry Figure 48 Adding a static MAC address entry and blocking it Verifying the configuration Verify that the MAC address entries are displayed in the list...

Page 43: ...net port 3 and to the DHCP client through Ethernet port 2 Configure only the port connected to the authorized DHCP server to forward the responses from the DHCP server Figure 50 Network diagram Proced...

Page 44: ...Settings DHCP Snooping 2 Select the port state to trusted 3 Select port 1 from the port list 4 Click Submit Figure 52 Configuring DHCP snooping settings Verifying the configuration Verify that the DH...

Page 45: ...yer 2 VLAN features Overview If you disable the VLAN feature the device forwards received packets without processing VLAN tags Procedure 1 Access the VLAN members or VLAN settings page 2 Enable or dis...

Page 46: ...packets only from one VLAN and send these packets untagged An access port is typically used in the following conditions Connecting to a terminal device that does not support VLAN packets In scenarios...

Page 47: ...e Removes the tag and sends the frame if the frame carries the PVID tag and the port belongs to the PVID Sends the frame without removing the tag if its VLAN is carried on the port but is different fr...

Page 48: ...default link type is access 4 Select native and permit VLANs 5 Click Submit Displaying port VLAN information 1 From the navigation pane select VLAN Settings VLAN Settings 2 You can view port VLAN inf...

Page 49: ...VLANs to isolate Layer 2 traffic of different departments Configure department A to use VLAN 100 and configure department B to use VLAN 200 Figure 55 Network diagram Procedure Configuring Device A Cr...

Page 50: ...lect port 1 from the port list b Select the access link type c Select VLAN 100 from the access VLAN list d Click Submit Figure 57 Configuring VLAN settings for port 1 3 Assign port 2 to VLAN 200 a Sel...

Page 51: ...t and assign it to VLANs 100 and 200 so that Device A can send packets from VLAN 100 and VLAN 200 to Device B a Select port 3 from the port list b Select the trunk link type c Select VLAN 1 from the n...

Page 52: ...A and Host C to the same subnet for example 192 168 100 0 24 Assign Host B and Host D to the same subnet for example 192 168 200 0 24 Verifying the configuration Verify that Host A and Host C can succ...

Page 53: ...s from the port list 3 Select Tx or Rx from the type list 4 Select a port rate limit state By default port rate limit is disabled 5 If you enable port rate limit enter the rate limit 6 Click Submit Fi...

Page 54: ...device performance than traffic threshold control After packets of a protocol are added to the storm suppression and storm control allowlist storm suppression and storm control do not take effect on...

Page 55: ...up If the port can come up you can determine that the peer port fails Replace the peer port with a new port operating correctly If the port cannot come up you can determine that the local port fails...

Page 56: ...l power meter to verify that the Tx power and Rx power of the transceiver module are stable and are within the correct range For more information about transceiver modules and cables see the installat...

Page 57: ...that the local port is operating correctly Replace the local port with a new one to verify that the local port is operating correctly Verifying that the peer port is operating correctly Replace the pe...

Page 58: ...supply 2 Verify that the PoE port is operating correctly Replace the PoE port with a new one to verify that the PoE port is operating correctly If the PoE port is not operating correctly replace and p...

Page 59: ...dule Verify that the cable connector is not damaged In case of any damages replace it 2 Verify that the transceiver module is operating correctly Error packets were collected on a port Port and cable...

Page 60: ...port and send the fault information to H3C Support 4 Verify that the transmission link is operating correctly Use a tester to test the transmission link Poor link quality or excessive optical signal...

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