Searching for Command Rejected In Port Channel Only Support Dot1q Trunk Encapsulation information? Find all needed info by using official links provided below.
https://learningnetwork.cisco.com/thread/75167
Mar 19, 2016 · Command rejected: An interface whose trunk encapsulation is "Auto" can not be configured to "trunk" mode. I put in a Cisco 2960 switch and type the same thing and everything is good. I've searched using google and didn't find anything that seemed to help.
https://networklessons.com/switching/how-to-configure-trunk-on-cisco-catalyst-switch
This is where you can choose between 802.1Q or ISL encapsulation. By default our switch will negotiate about the trunk encapsulation type. SW1(config-if)#switchport trunk encapsulation dot1q SW2(config-if)#switchport trunk encapsulation dot1q. Let‟s change it to 802.1Q by using the switchport trunk encapsulation command.
https://www.howtonetwork.net/public/708
In the below example we will configure a basic “router on a stick” configuration. First, we will configure the port connected to 2611XM’s Fa0/1 interface to be a trunk on the switch. Routers only support …
https://www.cisco.com/c/en/us/support/docs/switches/catalyst-3750-series-switches/69979-cross-stack-etherchannel.html
Sep 18, 2007 · This document provides a sample configuration for the configuration of cross-stack EtherChannel on a Cisco Catalyst 3750 Switch that runs Cisco IOS? system software. EtherChannel can be called Fast EtherChannel or Gigabit EtherChannel. This depends on the speed of the interfaces or ports that are used to form the cross-stack EtherChannel.
https://www.petenetlive.com/KB/Article/0001167
Petes-Switch(config-if)# switchport mode trunk Command rejected: An interface whose trunk encapsulation is "Auto" can not be configured to "trunk" mode. Solution I don’t know if this is a throwback to when we had ISL trunking and 802.1q, but you need …
https://www.learncisco.net/courses/icnd-2/vlans-and-spanning-tree/trunk-operations.html
Yes, you can see it on the screen. So you would say switchport trunk encapsulation and then you would choose dot1q. Now if I look at this switch, the only way that this command switchport mode trunk would be allowed by default is if there wasn't the option of running ISL, and that is the case on 2960. It will let you do that command and not ...
https://www.cisco.com/c/en/us/td/docs/ios/lanswitch/command/reference/lsw_book/lsw_b1.html
Because the Catalyst 6500 series switch ATM modules support PVST+ only, ... You must also use the encapsulation dot1q command on the subinterface to specify the trunk VLAN to use on outgoing packets. ... interface statistics for IEEE 802.1Q-in-802.1Q (QinQ) translation on one or all Gigabit Ethernet WAN interfaces and port-channel interfaces.
https://www.freeccnaworkbook.com/workbooks/ccna/configuring-trunk-ports-using-isl-or-802-1q
At first trunk links can be hard to grasp but the nature of a trunk is only to multiple vlan traffic between 2 or more switches over a single link. This is done by the cisco proprietary Inter-Switch Link (ISL) trunk encapsulation protocol or the IEEE Standard 802.1q (dot1q) trunk encapsulation protocol.
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