Mahindra publications monthly magazine
Mahindra publications monthly magazine published this article page no 6 you know that the default vlan is also known as the native vlan, and another drawback to isl is that isl does not use the concept of the native vlan. this means that every single frame transmitted across the trunk will be encapsulated.the 26-byte header that is added to the frame by isl contains the vlan id; the 4-byte trailer contains a cyclical redundancy check (crc) value. the crc is a frame validity scheme that checks the frames integrity.in turn, this encapsulation leads to another potential issue. isl encapsulation adds 30 bytes total to the size of the frame, potentially making them too large for the switch to handle. (the maximum size for an ethernet frame is 1518 bytes mahendra publication monthly magazine free download.
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