https://www.cisco.com/c/en/us/support/docs/lan-switching/8021q/17056-741-4.html
Inter-Switch Link and IEEE 802.1Q Frame Format - Cisco
This document provides the basic information and a summary of the frame fields for Inter-Switch Link (ISL) and IEEE 802.1Q encapsulation.
inter switch linkieee 802 1qframeformatcisco
https://www.dlink.com/hu/hu/support/faq/switches/layer-3-gigabit/des-series/the-des-1228-1228p-1252-switches-supports-ieee-8021q-vlan-how-many-vlan-entries-does-it-support
The DES-1228/1228P/1252 switches supports IEEE 802.1Q VLAN. How many VLAN entries does it support?...
https://www.rfc-editor.org/rfc/rfc9895
RFC 9895: Dynamic Link Exchange Protocol (DLEP) IEEE 802.1Q Aware Credit Window Extension
This document defines an extension to the Dynamic Link Exchange Protocol (DLEP) that enables an Ethernet IEEE 802.1Q aware credit window scheme for...
https://www.dlink.com/uk/en/support/faq/switches/layer-3-gigabit/des-series/the-des-1228-1228p-1252-switches-supports-ieee-8021q-vlan-how-many-vlan-entries-does-it-support
The DES-1228/1228P/1252 switches supports IEEE 802.1Q VLAN. How many VLAN entries does it support?...
https://www.cisco.com/en/US/docs/ios/lanswitch/configuration/guide/lsw_ieee_802.1q.html?ref=blog.sensando.mx
IEEE 802.1Q-in-Q VLAN Tag Termination [Cisco IOS Software Releases 12.4 Mainline] - Cisco Systems
https://www.dlink.com/ba/hr/support/faq/switches/layer-3-gigabit/des-series/the-des-1228-1228p-1252-switches-supports-ieee-8021q-vlan-how-many-vlan-entries-does-it-support
The DES-1228/1228P/1252 switches supports IEEE 802.1Q VLAN. How many VLAN entries does it support?...