ICMP Destination Unreachable (Fragmentation Needed) messages
GPTKB entity
Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
ICMP message type
|
| gptkbp:alsoKnownAs |
ICMP Type 3 Code 4
|
| gptkbp:codeValue |
4
|
| gptkbp:contains |
Next-hop MTU value
|
| gptkbp:definedIn |
gptkb:RFC_792
|
| gptkbp:features |
May be filtered by firewalls
|
| gptkbp:field |
gptkb:MTU
|
| https://www.w3.org/2000/01/rdf-schema#label |
ICMP Destination Unreachable (Fragmentation Needed) messages
|
| gptkbp:importantFor |
Essential for efficient packet delivery in IP networks
|
| gptkbp:purpose |
Notify sender that fragmentation is needed but the DF (Don't Fragment) bit is set
|
| gptkbp:recipient |
Packet sender
|
| gptkbp:relatedTo |
Network troubleshooting
|
| gptkbp:replacedBy |
ICMPv6 Packet Too Big message (in IPv6)
|
| gptkbp:sentBy |
Routers
|
| gptkbp:supportsProtocol |
gptkb:ICMP
|
| gptkbp:triggeredBy |
Router unable to forward packet due to MTU restriction
|
| gptkbp:typeValue |
3
|
| gptkbp:usedFor |
gptkb:Path_MTU_Discovery
|
| gptkbp:usedIn |
gptkb:IPv4
|
| gptkbp:bfsParent |
gptkb:Path_MTU_Discovery
|
| gptkbp:bfsLayer |
7
|