2018年3月21日 · try and configure the VLAN with the highest possible priority: spanning-tree vlan 200 priority X (where X is the highest possible value that you can configure) 03-21-2018 10:19 AM. Hello Georg, thanks for your replay, i added the commend from conf t spanning-tree vlan 200 priority 61440 but nothing, i have shutted down the port and put gain on.

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2022年2月1日 · I've seen this behavior after upgrading NX-OS from major version 6 to 7. It seem like RPVST+ lost its downward compatibility to PVST+. Enabling RPVST+ on the older machines solved the Problem. You can check the version of spanning tree by running #show spanning-tree summary on both sides of the broken link. 09-23-2020 12:06 PM.

2012年7月22日 · The 3750v2 is connected to a Cisco IE3000 (Industrial Ethernet) switch. Everything works fine and routes as it should up to the 3750v2. I can ping the default gateway for VLAN 125 @ 10.5.125.1 /24.

Through a combination of lectures and lab experience in simulated network environments, you will learn to use Python basics to create useful and practical scripts with Netmiko to retrieve data and configure network devices.

There is a Cisco ISR 4451 connected with Portchannel to a Catalyst 3850 Stack and there are some VLANs enabled, but only one does not come up for a Portinconsistence. I figure out an Issue on the equipment behind my catalyst stack but do not know how to debug this issue.

2024年3月19日 · 最好用的CCNA学习模拟工具是Cisco的Packet Tracer，*.pka文件是由浅入深地一步步教你学习网络和配置,文件中包括了七个大类的思科网络技术学院教程中的pka模拟练习，只可惜是英文的。

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