ip-netconf
displays network configuration parameters for interfaces
TLDR
Show all network configuration
$ ip netconf
Show config for specific interface$ ip netconf show dev eth0
Show only IPv4 configuration$ ip -4 netconf
Show only IPv6 configuration$ ip -6 netconf
SYNOPSIS
ip [OPTIONS] netconf { show | help }
DESCRIPTION
ip netconf displays network configuration parameters for interfaces. It shows settings like forwarding status, RPF (Reverse Path Filtering) mode, MC forwarding, and proxy ARP/NDP status.
PARAMETERS
show
Show network configuration (default if omitted)dev NAME
Show configuration for specific interfacehelp
Display help information
OUTPUT FIELDS
forwarding
Whether IP forwarding is enabledrp_filter
Reverse Path Filtering mode (0=off, 1=strict, 2=loose)mc_forwarding
Whether multicast forwarding is enabledproxy_neigh
Whether proxy neighbor (ARP/NDP) is enabledignore_routes_with_linkdown
Ignore routes when link is down
CAVEATS
Use -4 or -6 to filter by address family. Configuration can only be changed through sysctl or interface-specific tools, not through ip netconf directly.
HISTORY
ip netconf is part of iproute2, providing network configuration management for Linux systems.