September 2020
Intermediate to advanced
570 pages
14h 31m
English
book
CCNP Enterprise Design ENSLD 300-420 Official Cert Guide: Designing Cisco Enterprise Networks
by Anthony Bruno, Steve Jordan
Content preview from CCNP Enterprise Design ENSLD 300-420 Official Cert Guide: Designing Cisco Enterprise Networks
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Appendix D. Memory Tables
Chapter 1
Table 1-2 IP Protocol Numbers
Protocol Number |
IP Protocol |
1 |
Internet Control Message Protocol (ICMP) |
2 |
Internet Group Management Protocol (IGMP) |
6 |
|
|
User Datagram Protocol (UDP) |
|
IPv6 encapsulation |
50 |
|
51 |
|
|
ICMPv6 |
|
|
89 |
Open Shortest Path First (OSPF) |
103 |
|
|
Virtual Router Redundancy Protocol (VRRP) |
Table 1-3 IPv4 Header Fields
Field |
Length |
Description |
|
4 bits |
Indicates the IP header’s format, based on the version number. Set to 0100 for IPv4. |
IHL |
|
|
|
|
QoS parameters. |
Total Length |
|
Length of the packet, in bytes, including header and data. |
Identification |
16 bits |
Identifies a fragment. |
|
3 bits |
|
Fragment Offset |
13 bits |
|
|
8 bits |
Decremented ... |
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