NETGEAR GS750E User Manual Download Page 72

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Diagnostics and Troubleshooting

This chapter covers the following topics:

•

Test cable connections

•

Resolve a subnet conflict to access the switch

Summary of Contents for GS750E

Page 1: ...User Manual 48 Port Gigabit Ethernet Plus Switch with 2 SFP Ports Model GS750E NETGEAR Inc 350 E Plumeria Drive November 2021 San Jose CA 95134 USA 202 11784 04 ...

Page 2: ...R s Privacy Policy visit https www netgear com about privacy policy By using this device you are agreeing to NETGEAR s Terms and Conditions at https www netgear com about terms and conditions If you do not agree return the device to your place of purchase within your return period Do not use this device outdoors Trademarks NETGEAR Inc NETGEAR and the NETGEAR Logo are trademarks of NETGEAR Inc Any ...

Page 3: ... connected to a network on page 8 Added Use the NETGEAR Switch Discovery Tool to access the switch on page 9 Added Access the switch from a Mac using Bonjour on page 11 Removed references to the resource CD Made multiple minor changes October 2018 202 11784 02 First publication July 2017 202 11784 01 3 48 Port Gigabit Ethernet Plus Switch with 2 SFP Ports Model GS750E ...

Page 4: ...based VLANs 18 Create 802 1Q based VLANs in a basic configuration 19 Create 802 1Q based VLANs in an advanced configuration 21 Add tagged or untagged ports to an 802 1Q based VLAN 23 Specify a port PVID for an 802 1Q based VLAN 24 Manage the voice VLAN 26 Specify the voice VLAN properties 26 Enable the voice VLAN mode for ports 27 Manage the OUI table 28 Chapter 3 Optimize Performance With Quality...

Page 5: ...Set Up LACP port priority and time out values 55 Chapter 6 Manage and Monitor the Switch Manage flow control 59 Manage the port speed and the port status 60 Enable loop prevention 61 Manage power saving options 62 Manually download and upgrade the firmware 63 Reboot the switch 64 Save the switch configuration 65 Restore a saved switch configuration 66 Restore factory default settings 66 Enable por...

Page 6: ...onjour Change the switch password Change the language of the device UI Register your product Note For more information about the topics covered in this manual visit the support website at netgear com support Note Firmware updates with new features and bug fixes are made available from time to time at netgear com support download You can check for and download new firmware manually If the features ...

Page 7: ...r a 64 bit Windows based computer you can use the NETGEAR Switch Discovery Tool to discover the switch in your network and access the local browser based management interface of the switch If your Mac supports Bonjour you can use Bonjour to discover the switch in your network and access the local browser interface of the switch For more information see the following sections Access the switch usin...

Page 8: ... browser to configure a switch that is connected to a network 1 Cable the switch to a network with a router or DHCP server that manages IP addresses 2 Power on the switch The DHCP server assigns the switch an IP address 3 Connect your computer to the same network as the switch 4 Determine the IP address of the switch By default the DHCP client of the switch is enabled Use the IP address that the D...

Page 9: ...the Login button You can now configure additional options for the switch through the device UI For information about setting up a fixed static IP address for the switch see Specify IP address settings for the switch on page 46 6 After you complete the configuration of the switch reconfigure the computer that you used for this process to its original TCP IP settings You can now connect your switch ...

Page 10: ...Power on the switch The DHCP server assigns the switch an IP address 6 Connect your computer to the same network as the switch You can use a WiFi or wired connection The computer and the switch must be on the same Layer 2 network 7 Open the Switch Discovery Tool To open the program double click the NETGEAR Switch Discovery Tool icon on your desktop The initial page displays a menu and a button 8 F...

Page 11: ...xx xx xx xx xx xx is the MAC address of the switch Bookmarks Bonjour GS750E xx xx xx xx xx xx Bookmarks Bonjour Webpages GS750E xx xx xx xx xx xx The login page of the local browser interface opens 7 Enter the switch password The default password is password The password is case sensitive The Switch Information page displays The page shows the IP address that is assigned to the switch Change the s...

Page 12: ...d in the New Password field and in the Re type New Password field 8 Click the Apply button Your settings are saved Keep the new password in a secure location so that you can access the switch in the future Change the language of the device UI By default the language of the device UI is set to Auto so that the switch can automatically detect the language However you can set the language to a specif...

Page 13: ... your product through the device UI 1 Connect your computer to the same network as the switch You can use a WiFi or wired network connection Note You must access the switch while connected to the network on network to register the switch 2 Launch a web browser 3 In the address field of your web browser enter the IP address of the switch If you do not know the IP address of the switch see Access th...

Page 14: ...7 Follow the onscreen process to register your product User Manual 14 Get Started 48 Port Gigabit Ethernet Plus Switch with 2 SFP Ports Model GS750E ...

Page 15: ...ate basic port based VLANs Assign ports to multiple port based VLANs Create 802 1Q based VLANs in a basic configuration Create 802 1Q based VLANs in an advanced configuration Add tagged or untagged ports to an 802 1Q based VLAN Specify a port PVID for an 802 1Q based VLAN Manage the voice VLAN 15 ...

Page 16: ...orts that are not in the VLAN However for you to be able to use an 802 1Q VLAN you must know the VLAN ID Create basic port based VLANs A port based VLAN configuration lets you assign ports on the switch to a VLAN The number of VLANs is limited to the number of ports on the switch In a basic port based VLAN configuration ports with the same VLAN ID are placed into the same VLAN You can also assign ...

Page 17: ... pop up window closes 8 Click the Apply button Your settings are saved The Basic Port based VLAN Group table displays 9 Under each port to be added to a VLAN enter the ID of the VLAN You can enter a VLAN ID from 1 to the maximum number of ports that your switch supports If all the VLANs share an uplink to the Internet or servers enter all in the VLAN ID field for the port that you want to use for ...

Page 18: ...the IP address of the switch If you do not know the IP address of the switch see Access the switch using a web browser on page 7 The login page displays 4 Enter the switch password The default password is password The password is case sensitive The Switch Information page displays 5 Select VLAN The Basic Port based VLAN Status page displays 6 If this is the first time that you are accessing this p...

Page 19: ... button Your settings are saved In the VLAN Membership table the ports display as members of the VLAN 11 To select ports for another VLAN repeat Step 9 and Step 10 Create 802 1Q based VLANs in a basic configuration A 802 1Q based VLAN configuration lets you assign ports on the switch to a VLAN with an ID number in the range of 1 4093 By default all ports are members of VLAN 1 In an advanced 802 1Q...

Page 20: ... password The default password is password The password is case sensitive The Switch Information page displays 5 Select VLAN 802 1Q The Basic 802 1Q VLAN Status page displays 6 If this is the first time that you are accessing the Basic 802 1Q VLAN Status page or if you are changing the VLAN assignment method select the Enable radio button and continue with Step 7 Otherwise see Step 9 A pop up wind...

Page 21: ...iguration In an advanced 802 1Q based VLAN configuration you can assign ports on the switch to a VLAN with an ID number in the range of 1 4093 and you can add tagged or untagged ports to a VLAN In addition you can use port VLAN IDs PVIDs By default all ports are untagged members of VLAN 1 To create 802 1Q based VLANs in an advanced configuration 1 Connect your computer to the same network as the s...

Page 22: ... the Enable radio button and continue with Step 7 Otherwise see Step 9 A pop up window opens informing you that the current VLAN settings will be lost 7 Click the OK button The pop up window closes 8 Click the Apply button Your settings are saved The VLAN Identifier Setting table displays 9 In the VLAN ID field enter a VLAN ID You can enter a VLAN ID from 1 to 4093 10 Click the Add button The new ...

Page 23: ... untagged ports to an 802 1Q based VLAN 1 Connect your computer to the same network as the switch You can use a WiFi or wired network connection or connect directly to a switch that is off network using an Ethernet cable 2 Launch a web browser 3 In the address field of your web browser enter the IP address of the switch If you do not know the IP address of the switch see Access the switch using a ...

Page 24: ...bers of the VLAN 9 To select ports for another VLAN repeat Step 7 and Step 8 10 To verify your selections select VLAN 802 1Q Advanced VLAN Configuration The Advanced 802 1Q VLAN Status page displays In the VLAN Identifier Setting table the ports display next to the VLAN or VLANs to which they were added Specify a port PVID for an 802 1Q based VLAN A default port VLAN ID PVID is a VLAN ID tag that ...

Page 25: ...page 7 The login page displays 4 Enter the switch password The default password is password The password is case sensitive The Switch Information page displays 5 Select VLAN 802 1Q Advanced VLAN Configuration The Advanced 802 1Q VLAN Status page displays The menu on the left displays more options 6 Select Port PVID You can select Port PVID only if you already enabled the advanced 802 1Q VLAN optio...

Page 26: ...f Service CoS value is 6 You can change the voice VLAN properties only if you enable the 802 1Q VLAN mode see Create 802 1Q based VLANs in a basic configuration on page 19 or Create 802 1Q based VLANs in an advanced configuration on page 21 The voice VLAN can be effective only if you enable the voice VLAN mode for individual interfaces see Enable the voice VLAN mode for ports on page 27 The voice ...

Page 27: ... button Your settings are saved Enable the voice VLAN mode for ports You can enable the voice VLAN mode for individual ports so that these ports become members of the voice VLAN By default the voice VLAN mode is disabled for all ports To enable the voice VLAN mode for one or more ports 1 Connect your computer to the same network as the switch You can use a WiFi or wired network connection or conne...

Page 28: ...isted OUI is forwarded on the voice VLAN You can add and remove OUIs The maximum number of OUI entries in the table is 15 The first 3 bytes of the MAC address contain a manufacturer identifier while the last 3 bytes contain a unique station ID You must add an OUI prefix in the format AA BB CC To manage the OUI table 1 Connect your computer to the same network as the switch You can use a WiFi or wi...

Page 29: ...Table 6 Take one of the following actions To add an OUI prefix to the table do the following a In the Telephony OUIs field enter an OUI in the format AA BB CC b In the Description field enter a description with a maximum of 32 characters c Click the Add button The OUI is added to the table To delete one or more OUI prefixes from the table do the following a Select one or more OUIs b Click the Dele...

Page 30: ... OUI b Change the OUI in the Telephony OUIs field change the description in the Description field or change both c Click the Apply button Your settings are saved User Manual 30 Use VLANS for Traffic Segmentation 48 Port Gigabit Ethernet Plus Switch with 2 SFP Ports Model GS750E ...

Page 31: ... Performance With Quality of Service This chapter covers the following topics Enable 802 1p DSCP based quality of service Configure port based quality of service Set up rate limiting Set up broadcast filtering 31 ...

Page 32: ...same network as the switch You can use a WiFi or wired network connection or connect directly to a switch that is off network using an Ethernet cable 2 Launch a web browser 3 In the address field of your web browser enter the IP address of the switch If you do not know the IP address of the switch see Access the switch using a web browser on page 7 The login page displays 4 Enter the switch passwo...

Page 33: ...field of your web browser enter the IP address of the switch If you do not know the IP address of the switch see Access the switch using a web browser on page 7 The login page displays 4 Enter the switch password The default password is password The password is case sensitive The Switch Information page displays 5 Select QoS The Quality of Service page displays 6 If this is the first time that you...

Page 34: ...ta and the rate that it retransmits outgoing data Rate limiting can be set for a port in addition to other QoS settings If the port rate limit is set the switch restricts the acceptance or retransmission of data to the values configured To set up rate limiting 1 Connect your computer to the same network as the switch You can use a WiFi or wired network connection or connect directly to a switch th...

Page 35: ...12 Mbit s By default no limit is set c In the Egress Rate menu select the maximum rate You can set a rate from 512 Kbit s to 512 Mbit s By default no limit is set d Click the Apply button Your settings are saved 7 To set different rates for one or more other ports repeat Step 6 Set up broadcast filtering You can configure the switch to block broadcast storms massive transmission of broadcast packe...

Page 36: ...address field of your web browser enter the IP address of the switch If you do not know the IP address of the switch see Access the switch using a web browser on page 7 The login page displays 4 Enter the switch password The default password is password The password is case sensitive The Switch Information page displays 5 Select QoS Broadcast Filtering The Broadcast Filtering page displays 6 If th...

Page 37: ...Control Rate menu select the maximum rate You can set a rate from 512 Kbit s to 512 Mbit s By default no limit is set c Click the Apply button Your settings are saved 9 To set a different rate for one or more other ports repeat Step 8 User Manual 37 Optimize Performance With Quality of Service 48 Port Gigabit Ethernet Plus Switch with 2 SFP Ports Model GS750E ...

Page 38: ...4 Manage Security This chapter covers the following topics Manage access control Set the switch management mode Disable Bonjour for discovery Manage automatic denial of service 38 ...

Page 39: ...number from 0 to 255 and the mask is 255 255 255 0 any device in the range from 192 168 100 0 to 192 168 100 255 can access the local browser interface If the host IP address in the Source IP Address field is 192 168 100 y in which y can be any number from 0 to 7 and the mask is 255 255 255 248 any device in the range from 192 168 100 0 to 192 168 100 7 can access the local browser interface CAUTI...

Page 40: ...p 7 for each device or range of devices that you want to add to the Access Control table Remove devices from the Access Control table You can remove a device from the Access Control table If you remove all devices from the table access control is disabled To remove devices from the Access Control table 1 Connect your computer to the same network as the switch You can use a WiFi or wired network co...

Page 41: ... management mode so that only management through the local browser interface is enabled and access through the ProSAFE Plus Utility is disabled Even if you disable management through the ProSAFE Plus Utility the switch and its IP address on the network are still discoverable through the ProSAFE Plus Utility To set the switch management mode 1 Connect your computer to the same network as the switch...

Page 42: ... default the Bonjour protocol is enabled on the switch to allow for native discovery on macOS devices For additional security you can disable Bonjour on the switch preventing macOS devices from discovering the switch To disable Bonjour on the switch 1 Connect your computer to the same network as the switch You can use a WiFi or wired network connection or connect directly to a switch that is off n...

Page 43: ...n mode 1 Connect your computer to the same network as the switch You can use a WiFi or wired network connection or connect directly to a switch that is off network using an Ethernet cable 2 Launch a web browser 3 In the address field of your web browser enter the IP address of the switch If you do not know the IP address of the switch see Access the switch using a web browser on page 7 The login p...

Page 44: ...7 Click the Apply button Your settings are saved User Manual 44 Manage Security 48 Port Gigabit Ethernet Plus Switch with 2 SFP Ports Model GS750E ...

Page 45: ...ettings This chapter covers the following topics Specify IP address settings for the switch Use browser based access to specify the switch IP address Manage multicast traffic with IGMP snooping Set up link aggregation 45 ...

Page 46: ...witch as well as the address of the gateway device used by the switch Use browser based access to specify the switch IP address To specify IP address settings for the switch 1 Connect your computer to the same network as the switch You can use a WiFi or wired network connection or connect directly to a switch that is off network using an Ethernet cable 2 Launch a web browser 3 In the address field...

Page 47: ... on the IGMP query and report messages the switch forwards traffic only to the ports that request the multicast traffic This feature prevents the switch from broadcasting the traffic to all ports and possibly affecting network performance The switch maintains a map that shows which links need which IP multicast streams The switch forwards multicast traffic only to the links that requested them and...

Page 48: ...assword The default password is password The password is case sensitive The Switch Information page displays 5 Select System Multicast 6 Select the IGMP Snooping Status Enable radio button By default the Enable radio button is selected 7 Make sure that a VLAN ID between 1 and 4094 is stated in the VLAN ID Enabled for IGMP Snooping field You can specify a VLAN for IGMP snooping only if you enabled ...

Page 49: ...default setting Any IGMP Join and Leave packets are sent to every port of the switch Static Select one port as the dedicated IGMP snooping static router port by selecting the check box that is associated with the port number All IGMP Join and Leave reports are forwarded to the selected port 11 Click the Apply button Your settings are saved Specify a VLAN for IGMP snooping You can specify a VLAN fo...

Page 50: ...utton Your settings are saved Enable the Auto Video configuration You can enable the Auto Video VLAN for IGMP snooping only if you enabled port based or 802 1Q based VLANs see Use VLANS for Traffic Segmentation on page 15 By default the Auto Video VLAN is disabled The default ID of the Auto Video VLAN is ID 3 which you cannot change To enable the Auto Video VLAN 1 Connect your computer to the same...

Page 51: ...h increases fault tolerance and load sharing Configure LAG membership before you enable the LAG The switch supports both static link aggregation port trunking and Link Aggregation Control Protocol LACP groups through IEEE 802 3ad Link Aggregation The switch can support eight LAGs Set up link aggregation in the following order 1 Set up the LAG on the switch 2 Connect the ports that you made members...

Page 52: ... If you do not know the IP address of the switch see Access the switch using a web browser on page 7 The login page displays 4 Enter the switch password The default password is password The password is case sensitive The Switch Information page displays 5 Select System LAG LAG Membership 6 In the LAG ID menu select the LAG ID You can select a LAG ID from 1 to 8 7 Enter a name in the LAG Name field...

Page 53: ...ort eight LAGs which can be a combination of Link Aggregation Control Protocol LACP groups and static link aggregation groups To specify an LACP group 1 Connect your computer to the same network as the switch You can use a WiFi or wired network connection or connect directly to a switch that is off network using an Ethernet cable 2 Launch a web browser 3 In the address field of your web browser en...

Page 54: ...10 To enable the LAG as an LACP LAG do the following a Select System LAG LAG Configuration b Select the LAG ID of the LAG for which you just set up the port membership c In the Admin Mode menu select Enable d In the LAG Type menu select LACP The Port Member field for the selected LAG ID shows the ports that you selected inStep 8 The LAG Status field for the selected LAG ID shows whether the LAG is...

Page 55: ...r web browser enter the IP address of the switch If you do not know the IP address of the switch see Access the switch using a web browser on page 7 The login page displays 4 Enter the switch password The default password is password The password is case sensitive The Switch Information page displays 5 Select System LAG LACP Configuration The LACP Configuration page displays 6 In the LACP System P...

Page 56: ...a web browser on page 7 The login page displays 4 Enter the switch password The default password is password The password is case sensitive The Switch Information page displays 5 Select System LAG LACP Port Configuration 6 Select one or more ports 7 In the LACP Priority field enter a new value You can enter a value from 1 to 65535 A higher value indicates a lower priority The default value is 128 ...

Page 57: ...Your settings are saved User Manual 57 Manage Network Settings 48 Port Gigabit Ethernet Plus Switch with 2 SFP Ports Model GS750E ...

Page 58: ...atus Enable loop prevention Manage power saving options Manually download and upgrade the firmware Reboot the switch Save the switch configuration Restore a saved switch configuration Restore factory default settings Enable port mirroring View switch information or change the switch device name View or clear the port statistics 58 ...

Page 59: ...t is off network using an Ethernet cable 2 Launch a web browser 3 In the address field of your web browser enter the IP address of the switch If you do not know the IP address of the switch see Access the switch using a web browser on page 7 The login page displays 4 Enter the switch password The default password is password The password is case sensitive The Switch Information page displays 5 Sel...

Page 60: ... same network as the switch You can use a WiFi or wired network connection or connect directly to a switch that is off network using an Ethernet cable 2 Launch a web browser 3 In the address field of your web browser enter the IP address of the switch If you do not know the IP address of the switch see Access the switch using a web browser on page 7 The login page displays 4 Enter the switch passw...

Page 61: ... Mbps with half duplex 100M Full The port is forced to function at 100 Mbps with full duplex 8 To configure more ports repeat this procedure from Step 6 on 9 Click the Apply button Your settings are saved Enable loop prevention If loop prevention is enabled and the switch detects a loop the switch blocks one of the ports that are part of the loop and both LEDs of that port blink at a constant spee...

Page 62: ...plays 6 Select the Enable radio button By default the Disable radio button is selected 7 Click the Apply button Your settings are saved Manage power saving options You can manage the IEEE 802 3az Energy Efficient Ethernet EEE function cable length power saving or link up and link down power saving or a combination of these features Short Cable Power Saving Dynamically detects and adjusts power tha...

Page 63: ...age displays 5 Select System Management Power Saving Mode The Power Saving Mode page displays 6 Select the one of the following radio buttons Enable The power saving options are enabled This is the default setting Disable The power saving options are disabled 7 Click the Apply button Your settings are saved Manually download and upgrade the firmware You can manually check for the latest firmware v...

Page 64: ...itch Information page displays 9 Select System Maintenance Firmware Upgrade The Firmware Upgrade page displays 10 Click the Browse button and locate and select the new firmware image file 11 Click the Apply button WARNING To avoid the risk of corrupting the firmware do not interrupt the upgrade For example do not turn off the switch or disconnect it When the upgrade is complete your switch restart...

Page 65: ...f you change the settings and then decide to return the switch to its previous settings To save the switch configuration 1 Connect your computer to the same network as the switch You can use a WiFi or wired network connection or connect directly to a switch that is off network using an Ethernet cable 2 Launch a web browser 3 In the address field of your web browser enter the IP address of the swit...

Page 66: ...browser enter the IP address of the switch If you do not know the IP address of the switch see Access the switch using a web browser on page 7 The login page displays 4 Enter the switch password The default password is password The password is case sensitive The Switch Information page displays 5 Select System Maintenance Restore Configuration The Restore Configuration page displays 6 Click the Br...

Page 67: ... check box 7 Click the Apply button The switch returns to its factory settings The switch reboots to load the restored configuration Enable port mirroring Port mirroring lets you mirror the incoming ingress and outgoing egress traffic of one or more ports the source ports to a single predefined destination port To enable port mirroring 1 Connect your computer to the same network as the switch You ...

Page 68: ...ation port that is a member of a LAG 7 In the Source Port section select one or more source ports by selecting the check boxes that are associated with the port numbers You can select more than one source port You cannot select a source port that is a member of a LAG 8 In the Mirroring menu select Enable By default mirroring is disabled 9 Click the Apply button Your settings are saved User Manual ...

Page 69: ... You can use a WiFi or wired network connection or connect directly to a switch that is off network using an Ethernet cable 2 Launch a web browser 3 In the address field of your web browser enter the IP address of the switch If you do not know the IP address of the switch see Access the switch using a web browser on page 7 The login page displays 4 Enter the switch password The default password is...

Page 70: ... switch You can use a WiFi or wired network connection or connect directly to a switch that is off network using an Ethernet cable 2 Launch a web browser 3 In the address field of your web browser enter the IP address of the switch If you do not know the IP address of the switch see Access the switch using a web browser on page 7 The login page displays 4 Enter the switch password The default pass...

Page 71: ... Port Statistics 6 To clear the port statistics click the Clear Counters button All statistics counters change to 0 User Manual 71 Manage and Monitor the Switch 48 Port Gigabit Ethernet Plus Switch with 2 SFP Ports Model GS750E ...

Page 72: ...7 Diagnostics and Troubleshooting This chapter covers the following topics Test cable connections Resolve a subnet conflict to access the switch 72 ...

Page 73: ...your computer to the same network as the switch You can use a WiFi or wired network connection or connect directly to a switch that is off network using an Ethernet cable 2 Launch a web browser 3 In the address field of your web browser enter the IP address of the switch If you do not know the IP address of the switch see Access the switch using a web browser on page 7 The login page displays 4 En...

Page 74: ...subnet used in your network You might see the following message if you try to access the switch The switch and manager IP address are not in the same subnet To resolve this subnet conflict 1 Disconnect the Ethernet cable between the switch and your network 2 Shut down power to the switch 3 Reconnect the Ethernet cable between the switch and your network 4 Reapply power to the switch The switch pow...

Page 75: ...rd Switch password 192 168 0 239 if the switch is not connected to a network with a DHCP server IP address 255 255 255 0 Subnet mask Enabled DHCP mode Enabled IGMP snooping None configured LAGs Disabled If enabled by default all ports are members of VLAN 1 If enabled the default voice VLAN is VLAN 2 If enabled the default Auto Video VLAN is VLAN 3 VLANs Enabled 802 1p DSCP based QoS Disabled Port ...

Page 76: ...Table 1 Factory default settings Continued Setting Feature Enabled Power saving mode Enabled Bonjour Enabled Auto DoS mode 76 ...

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