NBMA Address Resolution Protocol
This page provides IP protocol information on the NBMA Address Resolution Protocol (NARP) detected by the Netify DPI engine. Please see the IP protocol catalog for information on other IP protocols.
NARP is the NBMA Address Resolution Protocol, used to resolve IP addresses to hardware addresses across non-broadcast multi-access networks such as ATM.
IP Protocol Details
- Name
- NBMA Address Resolution Protocol
- Abbreviation
- NARP
- Status
- Inactive
- IANA Number
- 54
- IANA Keyword
- NARP
- Network Policy
- Drop
- Reference
- NBMA Address Resolution Protocol
IP Protocol Status - Inactive
NARP was standardized in RFC 1735 (1994) for ATM and similar networks, and became largely obsolete as NBMA network technologies fell out of favor.
IP Protocol Network Policy
IP protocol #54 - NBMA Address Resolution Protocol - is typically dropped by edge routers and firewalls. Advanced threat actors and malware families can use these non-standard IP protocol numbers for lateral movement (east-west communication) inside internal networks.