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Troubleshooting SFP Connectivity Issues Between Zyxel XGS1930 and USG Flex 700
This FAQ addresses a specific connectivity issue encountered when connecting a Zyxel XGS1930 switch and a Zyxel USG Flex 700 firewall using SFP ports. Background SFP (Small Form-factor Pluggable) ports offer high-speed connectivity options for networking devices. While they are generally designed for seamless…
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What is the difference between Auto and fixed speed settings on the XGS1250-12 Switch?
Selecting Auto allows the port to automatically negotiate the best possible connection speed with the connected device. Fixed speed settings (e.g., 10M-Full Duplex, 100M-Full Duplex, 1G-Full Duplex) set the port to operate at a specific speed and duplex mode, which requires the peer port to be set to the same speed and…
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How to forward the BPDU packet on layer 2 switches.
In some Wi-Fi scenarios, it may be necessary to use the Spanning Tree Protocol to build a mesh system. If you're using layer 3 or layer 3 lite devices (such as XGS4600, XS3800, XGS2220, XS1930), we have bridge control protocol transparency to forward this protocol (as discussed in this thread). However, if you're using a…
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Are there any ways to drop untagged packets on Zyxel GS1200 switches?
A practical workaround is to create a dedicated VLAN that is not used for any other network traffic and set this VLAN as the PVID on ports where you want to drop untagged packets. This ensures that incoming untagged packets are isolated in this unused VLAN, keeping them separate from your main network traffic.
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What speeds and types can I configure for each port on the XGS1250-12 Switch?
The XGS1250-12 Switch supports various speeds and types depending on the port: Ports 1-8: Auto (up to 1G) 10M-Full Duplex 10M-AN (auto-negotiation) 100M-Full Duplex 100M-AN (auto-negotiation) 1G-Full Duplex Ports 9-11: Auto (up to 10G) 100M-Full Duplex 100M-AN (auto-negotiation) 1G-Full Duplex 1G-AN (auto-negotiation)…
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How does IEEE802.3x Flow Control work in the XGS1250-12 Switch?
IEEE802.3x flow control operates in full duplex mode. When the receiving port's memory buffers are full, it sends a pause signal to the sending port, temporarily halting data transmission to prevent data loss.
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What is Flow Control in the XGS1250-12 Switch?
Flow control is a feature that regulates the transmission of data signals to match the bandwidth of the receiving port. It helps prevent packet discards and frame losses by controlling the data flow when the receiving port's buffer memory is full.
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How can I configure Link Aggregation on a GS1200 series switch?
Link Aggregation, also known as port trunking, is a method of combining multiple physical network connections into one logical link to increase bandwidth and provide redundancy in case one of the links fails. On the GS1200 series switch, you would use Link Aggregation to utilize multiple lower-speed links to achieve a…
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How to configure a MAC-Based VLAN?
What is MAC-Based VLAN? MAC-based VLAN is a feature that allows the assignment of incoming untagged packets to specific VLANs based on the source MAC address of the packet. This classification of traffic enables efficient network segmentation and management. How does MAC-Based VLAN work? When untagged packets reach the…
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When should I configure Port Isolation in a VLAN environment on my GS1200 series switch?
You should configure Port Isolation on your switch within a VLAN environment when you want to prevent direct communication between computers within the same VLAN. This is particularly useful in scenarios where computers are intended to communicate only with servers or the internet, not interact with each other, such as in…
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Can I use Port Isolation in conjunction with Link Aggregation on my GS1200 series switch?
No, Port Isolation cannot be used simultaneously with Link Aggregation on the same port. They are mutually exclusive features because Port Isolation is intended to restrict port-to-port communication, while Link Aggregation is used to increase bandwidth by combining multiple ports.
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How do I configure Port Isolation on a Zyxel GS1200 series switch?
Scenario: Imagine you have a group of computers in an office that all connect to the same network switch. You want each computer to access the internet or a central server but not to interact with each other for privacy or security reasons. Port Isolation is perfect for this situation. It's like giving each computer its…
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How do I configure a trunk port on a web-managed switch?
A trunk port is known as a single switch port that allows multiple VLANs to traverse through, enabling the efficient management of network traffic between switches and routers. While Zyxel switches like the GS1200 series may not have a direct 'trunk port' feature like Cisco, you can achieve similar functionality by…
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Which devices benefit most from being connected to GS-105B v3/ GS-108B v3's HIGH ports?
Devices needing consistent and reliable bandwidth, like IP phones for clear voice calls, greatly benefit from HIGH priority ports on Zyxel switches, ensuring they operate smoothly with minimal disruptions.
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Do Zyxel GS-105B v3/GS-108B v3's MED ports provide the slower speeds?
No, MED ports do not inherently offer slower speeds; they simply have lower priority in traffic management compared to HIGH ports. This means that in a scenario where the network is busy, and there is a lot of data being transmitted, the switch will prioritize traffic on HIGH ports over MED ports.
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What is the difference between MED and HIGH ports on GS-105B v3/GS-108B v3 switches?
MED and HIGH ports refer to the pre-configured priority levels assigned to traffic through the Port-based QoS feature. The key difference is HIGH ports have higher priority over MED ports for bandwidth access.
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How to configure the switch to improve voice traffic quality (V4.80 firmware version)
The example shows administrators how to use Voice VLAN to improve Voice traffic. Like the introduction in other FAQs, Voice VLAN not only groups voice traffic into an assigned VLAN, but also assign the voice traffic a certain priority. Administrators can use this priority to improve Voice traffic quality. The Voice VLAN…
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How to configure Voice VLAN on Zyxel Switch (V4.80 firmware version)
Hi guys, let's have an example scenario using voice VLAN to separate voice packets from other service packets, and prioritize the voice packet to enhance the voice quality to users. Scenario: Nowadays IP phones are commonly used in office environments, to give voice traffic a higher priority is an important consideration…
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Why doesn't my GS1100 switch have EEE button?
The availability of an EEE button to enable/disable EEE may vary among different versions. It's worth noting that earlier revisions of this series included an EEE button, which can be verified through the product photo page and user guide.
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Is the EEE function enabled by default on the GS1100 series switches?
Yes, EEE is typically enabled by default on GS1100 series switches. It is designed to operate efficiently and reduce power consumption when the network traffic load is light.