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 [ dev NAME ] | help }
DESCRIPTION
ip netconf monitors and displays IPv4 and IPv6 network configuration parameters from /proc/sys/net/ipv[4|6]/conf/. It shows settings like forwarding status, RPF (Reverse Path Filtering) mode, MC forwarding, and proxy ARP/NDP status. If no interface is specified, the all entry is displayed.
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.
SEE ALSO
ip(8), ip-link(8), ip-address(8), sysctl(8)
