Web1. When using the show version command, you will see "Base ethernet MAC address: 0007.ECE1.5D18" in the output. This is the mac address that is used in i.e STP. Normally, the vlan1 interface has this same MAC address. 2. Yes, each switchport has it's own MAC address, I think this is how the switch itself (ASICS) makes forwarding decisions. WebOct 10, 2012 · In your Cisco config, you don't show these 2 config parms in the interface: switchport trunk allowed vlan 1 to 2. switchport nonegotiate . In my tests of 802.1Q (tagging aka trunking), I had to have these in order for the 802.1Q tags to be in pkts. Another good source of info, the HP Networking and Cisco CLI Reference Guide.
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WebNov 17, 2024 · Cisco Catalyst switch ports use DTP by default and attempt to negotiate a trunk link. To display the status of the trunk, determine the native VLAN used on that trunk link and verify trunk establishment using … WebAug 22, 2013 · Nov 20th, 2011 at 9:21 PM. Useful Commands. General commands. sh ip traffic - all traffic through the Cisco. sh controllers ethernet-controller gi1/0/1 phy - … dewalt cordless pole chain saw
cisco - About "show interface switchport" output - Network Engineering
WebThis lesson will demonstrate how to configure a trunk between Cisco Catalyst switches. Let me show you the topology that we’ll use: Above, you see a topology with a computer connected to each switch. We’ll put the computers in the same VLAN and create a trunk between the two switches. SW1 (config)# vlan 50 SW1 (config-vlan)# name Computers ... WebI can configure devices on Client-Server, P2P, IP, and Database Networking, Programming, Unix, Linux, MAC, and Windows OS, Layer 2 & 3 (OSI/TCP-IP) Routers, switch port & Cisco Infrastructure. WebThe show interface switchport command shows a specific row Pruning VLANs Enabled. The field description is Lists the VLANs that are pruning-eligible but I cannot understand what that row is meaning. cisco switch vlan cisco-commands Share Improve this question Follow edited Dec 12, 2024 at 3:08 Ron Maupin ♦ 97.3k 26 112 188 dewalt cordless pin nailer 23 gauge