Last Updated on August 12, 2021 by Admin
Which of the following fields in the IPv6 header is decremented by 1 for each router that forwards the packet?
- Flow label
- Next header
- Traffic class
- Hop limit
Explanation:
The hop limit field in the IPv6 header is decremented by 1 for each router that forwards a packet. The packet is discarded when the hop limit field reaches zero.
Answer option B is incorrect. Next header is an 8-bit field that specifies the next encapsulated protocol.
Answer option A is incorrect. Flow label is a 20-bit field that is used for specifying special router handling from source to destination for a sequence of packets.
Answer option C is incorrect. Traffic class is an 8-bit field that specifies the Internet traffic priority delivery value.
The hop limit field in the IPv6 header is decremented by 1 for each router that forwards a packet. The packet is discarded when the hop limit field reaches zero.
Answer option B is incorrect. Next header is an 8-bit field that specifies the next encapsulated protocol.
Answer option A is incorrect. Flow label is a 20-bit field that is used for specifying special router handling from source to destination for a sequence of packets.
Answer option C is incorrect. Traffic class is an 8-bit field that specifies the Internet traffic priority delivery value.