Loading... <!-- wp:paragraph --> <p>最近项目上遇到使用华为Huawei交换机,vSphere虚拟化vMotion后虚拟机网络丢失的现象。ping大量丢包,等待很久后,网络会自行恢复。</p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p>交换机为华为S7700交换机,使用的是万兆板卡</p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p>华为交换机配置如下:</p> <!-- /wp:paragraph --> <!-- wp:code --> <pre class="wp-block-code"><code>interface XGigabitEthernet2/0/0 port link-type trunk port trunk allow-pass vlan 2 to 4094 stp disable </code></pre> <!-- /wp:code --> <!-- wp:paragraph --> <p>经过反复测试,排除虚拟化故障后,将问题定位在华为交换机之上。最终发现问题原因</p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p>原因:Vmotion迁移虚拟机后,虚拟交换机一般会发送RARP给交换机,但是华为交换机默认丢弃了ARP包。</p> <!-- /wp:paragraph --> <!-- wp:image {"id":1749,"sizeSlug":"large"} --> <figure class="wp-block-image size-large"><img src="https://www.crazycen.com/usr/uploads/2020/08/Snipaste_2020-08-10_14-39-06.png" alt="" class="wp-image-1749" style=""></figure> <!-- /wp:image --> <!-- wp:paragraph --> <p></p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p>解决方案:</p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p>华为交换机配置MAC刷新ARP功能</p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p>命令配置如下:</p> <!-- /wp:paragraph --> <!-- wp:code --> <pre class="wp-block-code"><code><Quidway> system-view [Quidway] mac-address update arp</code></pre> <!-- /wp:code --> <!-- wp:paragraph --> <p>感谢VMTN论坛的帖子:</p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p><a href="https://communities.vmware.com/message/2862922#2862922" target="_blank" rel="noreferrer noopener">Huawei Switches vSphere 6.5 Regular Loss of Connectivity using LACP and LBT</a></p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p>同时参考:</p> <!-- /wp:paragraph --> <!-- wp:paragraph --> <p><strong><a href="https://support.huawei.com/enterprise/zh/knowledge/EKB1000067952?idAbsPath=7919710" data-type="URL" data-id="https://support.huawei.com/enterprise/zh/knowledge/EKB1000067952?idAbsPath=7919710" target="_blank" rel="noreferrer noopener">FAQ-MAC地址刷新ARP是什么</a></strong></p> <!-- /wp:paragraph --> Last modification:October 6, 2023 © Allow specification reprint Support Appreciate the author AliPayWeChat Like 如果觉得我的文章对你有用,请随意赞赏