{"id":4505,"date":"2026-05-13T03:45:10","date_gmt":"2026-05-13T03:45:10","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/common-network-issues-data-link-layer-solutions\/"},"modified":"2026-05-26T02:27:02","modified_gmt":"2026-05-26T02:27:02","slug":"common-network-issues-data-link-layer-solutions","status":"publish","type":"post","link":"https:\/\/lp.szlogic.cn\/ru\/knowledge-center\/common-network-issues-data-link-layer-solutions","title":{"rendered":"Common Data Link Layer Issues: Troubleshooting Network Connectivity"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1c7cf6305eb24d878df017761ba1ff5f.webp\" alt=\"Common Network Issues at the Data Link Layer\" class=\"wp-image-4503\" srcset=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1c7cf6305eb24d878df017761ba1ff5f.webp 1200w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1c7cf6305eb24d878df017761ba1ff5f-300x178.webp 300w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1c7cf6305eb24d878df017761ba1ff5f-1024x608.webp 1024w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1c7cf6305eb24d878df017761ba1ff5f-768x456.webp 768w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1c7cf6305eb24d878df017761ba1ff5f-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>Data Link Layer<\/strong> (Layer 2 of the <a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/glossary\/open-system-interconnect-osi-model-seven-layers-networking\"><strong>OSI model<\/strong><\/a>) is the unsung hero of network communication. Acting as the essential bridge between the raw physical transmission of bits and the logical network layer above, it is responsible for node-to-node delivery, frame synchronization, and error control. When this layer is healthy, data flows smoothly. When it&#8217;s not, you face a cascade of connectivity problems that can be notoriously difficult to diagnose.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In this guide, we will delve into the most common network issues at the Data Link Layer, providing you with the knowledge to identify and resolve them. We&#8217;ll also explore how physical components, like <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>optical transceivers<\/strong><\/a>, play a critical role and how choosing the right hardware, such as <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a>&#8216;s reliable products, can be a game-changer for your network infrastructure stability.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>&#x1f527; Understanding the Data Link Layer&#8217;s Core Functions<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Before we jump into the problems, let&#8217;s quickly recap what the Data Link Layer does. Its two main sub-layers are:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Logical Link Control (LLC):<\/strong> Manages frame synchronization, flow control, and error checking.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Media Access Control (MAC):<\/strong> Handles how devices gain access to the data and permission to transmit it, using unique MAC addresses.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Its primary responsibilities include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Framing:<\/strong> Packaging data from the network layer into frames.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Physical Addressing:<\/strong> Adding the source and destination MAC addresses to each frame.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Error Control:<\/strong> Detecting and sometimes correcting errors that occur during transmission using mechanisms like <strong>CRC (Cyclic Redundancy Check)<\/strong>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Flow Control:<\/strong> Ensuring a sending node does not overwhelm a receiving node.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">When any of these functions fail, the symptoms become apparent across your entire network.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>&#x1f527; Common Data Link Layer Issues and Their Symptoms<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Here are some of the most pervasive issues that plague Layer 2.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" ><strong>&#x1f537; MAC Address Table Overflow<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Network switches maintain a <strong>MAC address<\/strong> table that maps MAC addresses to specific physical ports. This is fundamental for efficient <strong>switching and forwarding of data frames<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>The Problem:<\/strong> In a malicious attack or due to a misconfigured device, a switch can be flooded with a massive number of fake MAC addresses. This fills its CAM (Content-Addressable Memory) table.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>The Symptom:<\/strong> Once the table is full, the switch can no longer learn new legitimate addresses. It then reverts to behaving like a hub, broadcasting traffic out of all ports. This leads to severe <strong>network performance degradation<\/strong>, slow data transfer, and a major security risk as data is visible across the network segment.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" ><strong>&#x1f537; MAC Address Flapping<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">This occurs when a switch sees the same MAC address rapidly alternating between two or more ports.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>The Problem:<\/strong> This is often caused by a <strong>Layer 2 loop<\/strong> in the network (where Spanning Tree Protocol, STP, is misconfigured or disabled) or a faulty network interface card (NIC).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>The Symptom:<\/strong> The switch&#8217;s MAC address table is constantly being updated, causing instability, intermittent connectivity, and high CPU utilization on the switch. Troubleshooting <strong>MAC address flapping<\/strong> is a key skill for any network administrator.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" ><strong>&#x1f537; Duplex Mismatch<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">This is a classic and very common issue.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>The Problem:<\/strong> One side of a connection is set to full-duplex (can send and receive simultaneously) while the other is set to half-duplex (can only send or receive at a time). Modern networks should use auto-negotiation, but sometimes hard-coding speeds or faulty auto-negotiation leads to this mismatch.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>The Symptom:<\/strong> The connection will be established, but you will experience chronic <strong>late collisions<\/strong> and frame check sequence (FCS) errors, resulting in extremely poor performance and packet loss.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" ><strong>&#x1f537; VLAN Configuration and Trunking Issues<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/glossary\/vlan-network-segmentation-security-management-basics\"><strong>Virtual LANs (VLANs)<\/strong><\/a> are used to create separate broadcast domains at Layer 2.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>The Problem:<\/strong> Misconfigured VLAN assignments on switch ports or incorrect trunk configuration (e.g., missing the correct VLAN on a trunk link) can prevent devices from communicating.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>The Symptom:<\/strong> Devices that should be able to talk can&#8217;t, even if they are on the same physical switch. This is a common culprit when <strong>troubleshooting VLAN connectivity<\/strong>.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" ><strong>&#x1f537; Frame Errors: CRC, Giants, and Runts<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>Data Link Layer<\/strong> is responsible for checking the integrity of each frame.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>CRC Errors:<\/strong> Caused by collisions or electrical interference, corrupting the frame and causing the CRC check to fail. The frame is discarded.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Giants:<\/strong> Frames that exceed the maximum transmission unit (MTU) size.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Runts:<\/strong> Frames that are smaller than the minimum size, often due to collisions.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>The Symptom:<\/strong> High rates of these errors indicate physical layer problems (cabling, connectors) or duplex mismatches, leading to retransmissions and sluggish network performance.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The table below summarizes these common issues for a quick reference:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Issue<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Primary Cause<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Key Symptom<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>MAC Address Table Overflow<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>CAM table flooded with fake MACs<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Network-wide slowdowns, security breaches<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>MAC Address Flapping<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Layer 2 loop or faulty NIC<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Intermittent connectivity, switch instability<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Duplex Mismatch<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Incorrect speed\/duplex settings<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Late collisions, FCS errors, poor performance<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>VLAN Misconfiguration<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Incorrect port or trunk settings<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Devices in same VLAN cannot communicate<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Excessive Frame Errors<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Bad cabling, interference, duplex mismatch<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Packet loss, retransmissions, slow data transfer<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>&#x1f527; The Optical Transceiver: A Critical Link in the Data Link Chain<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Often overlooked, the <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>optical transceiver<\/strong><\/a> (or module) is a vital physical component that directly impacts Data Link Layer performance. It serves as the interface between the electronic switch and the optical fiber. A failing or low-quality transceiver can mimic many of the software-based issues we&#8217;ve discussed.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"719\" src=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d071a6999b424e728eaa2d494e076b8f.jpg\" alt=\"optical transceiver\" class=\"wp-image-4504\" srcset=\"https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d071a6999b424e728eaa2d494e076b8f.jpg 1200w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d071a6999b424e728eaa2d494e076b8f-300x180.jpg 300w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d071a6999b424e728eaa2d494e076b8f-1024x614.jpg 1024w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d071a6999b424e728eaa2d494e076b8f-768x460.jpg 768w, https:\/\/lp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d071a6999b424e728eaa2d494e076b8f-18x12.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>How a Bad Transceiver Causes Data Link Layer Problems:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>High <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/glossary\/understanding-what-is-bit-error-rate\"><strong>Bit Error Rate (BER)<\/strong><\/a><strong>:<\/strong> A degraded transceiver can introduce errors into the light signal, leading directly to the <strong>CRC and FCS errors<\/strong> we see at the Data Link Layer. The switch receives corrupted frames and discards them.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Signal Degradation and Intermittent Links:<\/strong> A weak laser can cause the link to flap\u2014constantly going up and down. This creates chaos, leading to <strong>MAC address flapping<\/strong> and routing instability as the network topology appears to be changing rapidly.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Incompatibility Issues:<\/strong> Using a non-genuine or poorly coded transceiver can lead to unstable links, even if the physical specifications seem correct.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Investing in Quality: The LINK-PP Solution<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To avoid these hidden pitfalls, it&#8217;s crucial to use high-quality, reliable optical transceivers. <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a> manufactures a range of MSA-compliant transceivers known for their durability and performance, making them an excellent choice for preventing <strong>network downtime due to hardware failure<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For example, the <strong>LINK-PP <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/475415.htm\"><strong>SFP-10G-SR<\/strong><\/a> is a high-performance 10GBASE-SR module designed for multi-mode fiber. It features advanced <a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/glossary\/ddm-dom-in-optical-transceivers\"><strong>digital diagnostics monitoring (DDM)<\/strong><\/a> capabilities, allowing you to proactively monitor temperature, voltage, and optical power levels. This helps in <strong>proactive network monitoring and maintenance<\/strong>, enabling you to identify a degrading module <em>before<\/em> it causes widespread Data Link Layer errors and network outages.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>&#x1f527; Proactive Measures and Troubleshooting Tips<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Prevention is always better than cure. Here\u2019s how to fortify your Data Link Layer:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Leverage Spanning Tree Protocol (STP):<\/strong> Ensure STP (or its faster variants, RSTP\/MSTP) is correctly configured on all switches to prevent Layer 2 loops.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Enable Port Security:<\/strong> Use port security features on your switches to limit the number of MAC addresses learned on a port, mitigating MAC table overflow attacks.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Standardize Auto-Negotiation:<\/strong> Unless you have a specific reason, allow switches and devices to auto-negotiate speed and duplex. If you must hard-code, ensure it&#8217;s done identically on both ends.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Document Your VLAN Plan:<\/strong> Maintain clear documentation of your VLAN IDs, names, and assigned ports to avoid configuration drift and errors.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Monitor Interface Statistics:<\/strong> Regularly check switch ports for CRC errors, collisions, and discards. A sudden increase is a red flag.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Invest in Quality Hardware:<\/strong> Using reliable equipment from the start saves countless hours of troubleshooting. This includes everything from cables to switches and, as highlighted, optical transceivers from trusted vendors like <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a>.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>&#x1f527; Conclusion: Building a Stable Foundation<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>Data Link Layer<\/strong> forms the fundamental foundation of your local network. Understanding its common failure modes\u2014from <strong>MAC address<\/strong> instability to physical transceiver issues\u2014is key to maintaining a high-performance, secure, and reliable network environment. By implementing proactive management strategies and choosing quality components, you can eliminate these common headaches and ensure your data flows unimpeded.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>&#x1f527; FAQ<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >What is the Data Link Layer?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">You use the Data Link Layer to move data between devices on the same network. This layer checks for errors and controls how devices share the network.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >How can you spot a duplex mismatch?<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Look for slow speeds, dropped packets, or unstable connections. You may see errors on your switch port. Matching duplex settings on both devices fixes this issue.<\/p><\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" >Why do MAC address conflicts happen?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">MAC address conflicts happen when two devices use the same MAC address. This can cause lost connections or data sent to the wrong device. Always use unique MAC addresses.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >What tools help you find network issues at Layer 2?<\/h3>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Tool<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Use Case<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Wireshark<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Packet analysis<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Cable Tester<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Check cables<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Switch Logs<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Find port errors<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">You can use these tools to spot and fix problems fast.<\/p>","protected":false},"excerpt":{"rendered":"<p>Solve network issues at the data link layer, including frame collisions, MAC conflicts, and ARP errors, to keep your connections stable and secure.<\/p>","protected":false},"author":1,"featured_media":4503,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[24,26],"class_list":["post-4505","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-link-pp","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/posts\/4505","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/comments?post=4505"}],"version-history":[{"count":2,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/posts\/4505\/revisions"}],"predecessor-version":[{"id":7815,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/posts\/4505\/revisions\/7815"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/media\/4503"}],"wp:attachment":[{"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/media?parent=4505"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/categories?post=4505"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lp.szlogic.cn\/ru\/wp-json\/wp\/v2\/tags?post=4505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}