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== Optionen ==
{| class="wikitable sortable options"
|-
! Option !! Beschreibung
|-
| -a || Alle Dateien anzeigen
|}
<nowiki>{| class="wikitable sortable options"</nowiki>
<nowiki>|-</nowiki>
<nowiki>! Option !! Beschreibung</nowiki>
<nowiki>|-</nowiki>
<nowiki>| -a || Alle Dateien anzeigen</nowiki>
<nowiki>|-</nowiki>
<nowiki>|}</nowiki>
{| class="wikitable sortable options"
|-
! Unix !! GNU !! Beschreibung
|-
| -d || --delay=delay || Delay between updates, in tenths of seconds (delay * 0.1s)
|-
| -h || --help || Print the help and exit.
|}
<nowiki>{| class="wikitable sortable options"</nowiki>
<nowiki>|-</nowiki>
<nowiki>! Unix !! GNU !! Beschreibung</nowiki>
<nowiki>|-</nowiki>
<nowiki>| -d || --delay=delay || Delay between updates, in tenths of seconds (delay * 0.1s)</nowiki>
<nowiki>|-</nowiki>
<nowiki>| -h || --help || Print the help and exit.</nowiki>
<nowiki>|}</nowiki>
== Float ==
== Float ==
  <nowiki> {| class="wikitable" style="float:right; margin-left: 10px;" </nowiki>
  <nowiki> {| class="wikitable" style="float:right; margin-left: 10px;" </nowiki>

Version vom 4. Januar 2024, 15:52 Uhr

Float

 {| class="wikitable" style="float:right; margin-left: 10px;" 

<br clear=all>

Protokoll-Header

Überschrift
SNMP-Paket-Header PDU-Header PDU-Body
Versionsnummer Community-Name Pakettyp (Get, GetNext …) RequestID Fehlerstatus Fehler-Index Variable Bindung 1 Variable Bindung 2 … Variable Bindung n 
{|border="2" cellspacing="0" cellpadding="5" style="border-collapse:collapse;"
|+ '''Überschrift'''
|-
! colspan="2" style="background-color:#ffffcc;" | SNMP-Paket-Header
! colspan="4" style="background-color:#ddffcc;" | PDU-Header
! colspan="4" style="background-color:#aaffaa;" | PDU-Body
|-
| style="background-color:#aaffcc;" | Versionsnummer 
| style="background-color:#aaddcc;" |  Community-Name 
| style="background-color:#aaeecc;" | Pakettyp (Get, GetNext …) 
| style="background-color:#aaffbb;" | RequestID 
| style="background-color:#aaffaa;" | Fehlerstatus 
| style="background-color:#abffcc;" | Fehler-Index 
| style="background-color:#acffcc;" | Variable Bindung 1 
| style="background-color:#adffcc;" | Variable Bindung 2 
| style="background-color:#aeffcc;" | … 
| style="background-color:#afffcc;" | Variable Bindung n
|}

IPv4

IPv4 (bit)

00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Version IHL DSCP ECN Gesamtlänge H
e
a
d
e
r
Identifikation Flags Fragment Offset
TTL Protokoll Header-Prüfsumme
Sender-IP-Adresse
Empfänger-IP-Adresse
Optionen Padding
Payload 
{| class="header" border="1" cellpadding="4" cellspacing="0" style="text-align:center;margin:auto;"
! style="text-align:center !important; font-weight: normal;" "width="3%"| 00  
! style="text-align:center !important; font-weight: normal;" "width="3%"| 01
! style="text-align:center !important; font-weight: normal;" "width="3%"| 02
! style="text-align:center !important; font-weight: normal;" "width="3%"| 03
! style="text-align:center !important; font-weight: normal;" "width="3%"| 04
! style="text-align:center !important; font-weight: normal;" "width="3%"| 05
! style="text-align:center !important; font-weight: normal;" "width="3%"| 06
! style="text-align:center !important; font-weight: normal;" "width="3%"| 07
! style="text-align:center !important; font-weight: normal;" "width="3%"| 08
! style="text-align:center !important; font-weight: normal;" "width="3%"| 09
! style="text-align:center !important; font-weight: normal;" "width="3%"| 10
! style="text-align:center !important; font-weight: normal;" "width="3%"| 11
! style="text-align:center !important; font-weight: normal;" "width="3%"| 12
! style="text-align:center !important; font-weight: normal;" "width="3%"| 13
! style="text-align:center !important; font-weight: normal;" "width="3%"| 14
! style="text-align:center !important; font-weight: normal;" "width="3%"| 15
! style="text-align:center !important; font-weight: normal;" "width="3%"| 16
! style="text-align:center !important; font-weight: normal;" "width="3%"| 17
! style="text-align:center !important; font-weight: normal;" "width="3%"| 18
! style="text-align:center !important; font-weight: normal;" "width="3%"| 19
! style="text-align:center !important; font-weight: normal;" "width="3%"| 20
! style="text-align:center !important; font-weight: normal;" "width="3%"| 21
! style="text-align:center !important; font-weight: normal;" "width="3%"| 22
! style="text-align:center !important; font-weight: normal;" "width="3%"| 23
! style="text-align:center !important; font-weight: normal;" "width="3%"| 24
! style="text-align:center !important; font-weight: normal;" "width="3%"| 25
! style="text-align:center !important; font-weight: normal;" "width="3%"| 26
! style="text-align:center !important; font-weight: normal;" "width="3%"| 27
! style="text-align:center !important; font-weight: normal;" "width="3%"| 28
! style="text-align:center !important; font-weight: normal;" "width="3%"| 29
! style="text-align:center !important; font-weight: normal;" "width="3%"| 30
! style="text-align:center !important; font-weight: normal;" "width="3%"| 31
! style="text-align:center !important; font-weight: normal;" "width="3%"| 
|-
| style="background-color:#d6c4ff;" colspan="4"| [[IPv4/Header#Version|Version]]
| style="background-color:#dfffcb;" colspan="4"| [[IPv4/Header#IHL | IHL]]
| style="background-color:#ffbfc0;" colspan="6"| [[IPv4/Header#DSCP | DSCP]]
| style="background-color:#ffbfc0;" colspan="2"| [[IPv4/Header#ECN | ECN]]
| style="background-color:#b5bcff;" colspan="16"| [[IPv4/Header#Gesamtlänge|Gesamtlänge]]
! style="text-align:center !important; font-weight: normal;" "width="3%" rowspan="6"| H</br>e</br>a</br>d</br>e</br>r
|-
| style="background-color:#fff1b0;" colspan="16"| [[IPv4/Header#Identifikation|Identifikation]]
| style="background-color:#d6c4ff;" colspan="3"| [[IPv4/Header#Flags|Flags]]
| style="background-color:#fff1b0;" colspan="13"| [[IPv4/Header#Fragment Offset|Fragment Offset]]
|-
| style="background-color:#adfff6;" colspan="8"| [[IPv4/Header#TTL|TTL]]
| style="background-color:#efbcff;" colspan="8"| [[IPv4/Header#Protokoll|Protokoll]]
| style="background-color:#b5bcff;" colspan="16"| [[IPv4/Header#Header-Prüfsumme|Header-Prüfsumme]]
|-
|style="background-color:#d1ffac;" colspan="32"| [[IPv4/Header#Sender-IP-Adresse|Sender-IP-Adresse]]
|-
|style="background-color:#ffbfc0;" colspan="32"| [[IPv4/Header#Empfänger-IP-Adresse|Empfänger-IP-Adresse]]
|-
|style="background-color:#fff1b0;" colspan="24"| [[IPv4/Header#Optionen|Optionen]] 
|style="background-color:#d6c4ff;" colspan="8"| [[IPv4/Header#Padding|Padding]] 
|-
|style="background-color:#d9e4ff;" colspan="32" | [[IPv4/Header#Payload|Payload]]
|}


=== IPv4 (Felder)===
{| border="1" cellpadding="4" cellspacing="0" style="text-align:center;margin:auto;"
! width="12%"| 0–3
! width="12%"| 4–7
! width="16%"| 8–13
! width="8%"| 14–15
! width="9%"| 16–18
! width="15%"| 19–23
! width="12%"| 24–27
! width="12%"| 28–31
|-
| style="background-color:#d6c4ff;"| [[IP-Paket#Version|Version]]
| style="background-color:#dfffcb;"| [[IP-Paket#IHL (Internet Header Length)|IHL]]
| style="background-color:#ffbfc0;"| [[DSCP]]
| style="background-color:#ffbfc0;"| [[Explicit Congestion Notification|ECN]]
| style="background-color:#b5bcff;" colspan="4"| [[IP-Paket#Total Length|Gesamtlänge]]
|-
| style="background-color:#fff1b0;" colspan="4"| [[IP-Paket#Identification|Identifikation]]
| style="background-color:#d6c4ff;" | [[IP-Paket#Flags|Flags]]
| style="background-color:#fff1b0;" colspan="3"| [[IP-Paket#Fragment Offset|Fragment Offset]]
|-
| style="background-color:#adfff6;" colspan="2"| [[Time-to-live|TTL]]
| style="background-color:#efbcff;" colspan="2"| [[Protokoll (IP)|Protokoll]]
| style="background-color:#b5bcff;" colspan="4"| Header-[[Prüfsumme]]
|-
|style="background-color:#d1ffac;" colspan="8"| Quell-IP-Adresse
|-
|style="background-color:#ffbfc0;" colspan="8"| Ziel-IP-Adresse
|-
|style="background-color:#fff1b0;" colspan="6"| ''Optionen …''
|style="background-color:#d6c4ff;" colspan="2"| ''Padding …''
|}


 <nowiki>{| border="1" cellpadding="4" cellspacing="0" style="text-align:center;margin:auto;"
! width="12%"| 0–3
! width="12%"| 4–7
! width="16%"| 8–13
! width="8%"| 14–15
! width="9%"| 16–18
! width="15%"| 19–23
! width="12%"| 24–27
! width="12%"| 28–31
|-
| style="background-color:#d6c4ff;"| [[IP-Paket#Version|Version]]
| style="background-color:#dfffcb;"| [[IP-Paket#IHL (Internet Header Length)|IHL]]
| style="background-color:#ffbfc0;"| [[DSCP]]
| style="background-color:#ffbfc0;"| [[Explicit Congestion Notification|ECN]]
| style="background-color:#b5bcff;" colspan="4"| [[IP-Paket#Total Length|Gesamtlänge]]
|-
| style="background-color:#fff1b0;" colspan="4"| [[IP-Paket#Identification|Identifikation]]
| style="background-color:#d6c4ff;" | [[IP-Paket#Flags|Flags]]
| style="background-color:#fff1b0;" colspan="3"| [[IP-Paket#Fragment Offset|Fragment Offset]]
|-
| style="background-color:#adfff6;" colspan="2"| [[Time-to-live|TTL]]
| style="background-color:#efbcff;" colspan="2"| [[Protokoll (IP)|Protokoll]]
| style="background-color:#b5bcff;" colspan="4"| Header-[[Prüfsumme]]
|-
|style="background-color:#d1ffac;" colspan="8"| Quell-IP-Adresse
|-
|style="background-color:#ffbfc0;" colspan="8"| Ziel-IP-Adresse
|-
|style="background-color:#fff1b0;" colspan="6"| ''Optionen …''
|style="background-color:#d6c4ff;" colspan="2"| ''Padding …''
|}

IPv6

IPv6 (bit)

Byte/Bit 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
1 Version Traffic Class Flow Label H
e
a
d
e
r
2 Payload Length Next Header Hop Limit
3 Sender-IP-Adresse
4
5
6
7 Empfänger-IP-Adresse
8
9
10
11+ Payload

IPv6 (Felder)

Byte/Nibble 00–03 04–07 08–11 12–15 16-19 20–23 24–27 28–31
01 Version Traffic Class Flow Label H
e
a
d
e
r
02 Payload Length Next Header Hop Limit
03 - 06 Quell-IP-Adresse
07 - 10 Ziel-IP-Adresse
11+ Payload

128 Bit

0–7 8–15 16–23 24–31 32–39 40–47 48–55 56–63 56–63 56–63 56–63 56–63 56–63 56–63 56–63 56–127
0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000

16 Byte

01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

MAC-Adresse

48 Bit

0–7 8–15 16–23 24–31 32–39 40–47
cccc ccUG cccc cccc cccc cccc xxxx xxxx xxxx xxxx xxxx xxxx
Adresse 0–7 8–15 16–23 24–31 32–39 40–47
MAC-Adresse (48 Bit) cccc ccUG cccc cccc cccc cccc xxxx xxxx xxxx xxxx xxxx xxxx

64 Bit

0–7 8–15 16–23 24–31 32–39 40–47 48–55 56–63
cccc ccUG cccc cccc cccc cccc xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxxx
Adresse 0–7 8–15 16–23 24–31 32–39 40–47 48–55 56–63
IEEE EUI-64 Adresse (64 Bit) cccc cc0G cccc cccc cccc cccc xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxxx
IPv6-Interface ID Adresse (64 Bit) cccc cc1G cccc cccc cccc cccc xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxxx xxxx

RFC

RFC Titel
950 Internet Standard Subnetting Procedure
3021 Using 31-Bit Prefixes on IPv4 Point-to-Point Links
5942 IPv6 Subnet Model: The Relationship between Links and Subnet Prefixes


OSI-Modell

Router

7 7
6 6
5 5
4 4
3 3 3
2 2 2 2
1 1 1 1

Protokollbox

IP (Internet Protocol)
Familie Internetprotokolle
Einsatzgebiet Datenpaketversendungsowohl lokal als auchweltweit über verschiedeneNetzwerke

IP im TCP/IP-Protokollstapel:

Anwendung HTTP IMAP SMTP DNS …
Transport TCP UDP
Internet IP (IPv4, IPv6)
Netzzugang Ethernet TokenBus TokenRing FDDI …
Standards RFC 8200 (IPv6, 2017)RFC 791 (IPv4, 1981)


IP (Internet Protocol)
Familie Internetprotokolle
Einsatzgebiet: Datenpaketversendungsowohl lokal als auchweltweit über verschiedeneNetzwerke

IP im TCP/IP-Protokollstapel:

Anwendung HTTP IMAP SMTP DNS …
Transport TCP UDP
Internet IP (IPv4, IPv6)
Netzzugang Ethernet TokenBus TokenRing FDDI …
Standards: RFC 8200 (IPv6, 2017)RFC 791 (IPv4, 1981)


Protokollbox
QUIC im TCP/IP-Protokollstapel
Anwendung HTTP/3 DNS over QUIC …
Transport QUIC
Transport UDP
Internet IP (IPv4, IPv6)
Netzzugang Ethernet Token
Bus 		Token
Ring 		FDDI …


Anwendung HTTP IMAP SMTP DNS …
Transport TCP/UDP
Internet IP (IPv4, IPv6)
Netzzugang Ethernet Token Bus Token Ring FDDI …


Verkapselung

HTTP-Nachricht
TCP-Segment
IP-Datagram
Ethernet-Frame


Normen

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