IP-NETCONF(8) Linux IP-NETCONF(8)NAME
ip-netconf - network configuration monitoring
SYNOPSIS
ip [ ip-OPTIONS ] netconf show [ dev NAME ]
DESCRIPTION
The ip netconf utility can monitor IPv4 and IPv6 parameters (see /proc/sys/net/ipv[4|6]/conf/[all|DEV]/) like forwarding, rp_filter or
mc_forwarding status.
If no interface is specified, the entry all is displayed.
ip netconf show - display network parameters
dev NAME
the name of the device to display network parameters for.
SEE ALSO ip(8)AUTHOR
Original Manpage by Nicolas Dichtel <nicolas.dichtel@6wind.com>
iproute2 13 Dec 2012 IP-NETCONF(8)
Check Out this Related Man Page
IP-MONITOR(8) Linux IP-MONITOR(8)NAME
ip-monitor, rtmon - state monitoring
SYNOPSIS
ip monitor [ all | OBJECT-LIST ] [ file FILENAME ] [ label ] [ all-nsid ] [ dev DEVICE ]
OPTIONS -t, -timestamp
Prints timestamp before the event message on the separated line in format:
Timestamp: <Day> <Month> <DD> <hh:mm:ss> <YYYY> <usecs> usec
<EVENT>
-ts, -tshort
Prints short timestamp before the event message on the same line in format:
[<YYYY>-<MM>-<DD>T<hh:mm:ss>.<ms>] <EVENT>
DESCRIPTION
The ip utility can monitor the state of devices, addresses and routes continuously. This option has a slightly different format. Namely,
the monitor command is the first in the command line and then the object list follows:
ip monitor [ all | OBJECT-LIST ] [ file FILENAME ] [ label ] [ all-nsid ] [ dev DEVICE ]
OBJECT-LIST is the list of object types that we want to monitor. It may contain link, address, route, mroute, prefix, neigh, netconf, rule
and nsid. If no file argument is given, ip opens RTNETLINK, listens on it and dumps state changes in the format described in previous sec-
tions.
If the label option is set, a prefix is displayed before each message to show the family of the message. For example:
[NEIGH]10.16.0.112 dev eth0 lladdr 00:04:23:df:2f:d0 REACHABLE [LINK]3: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast state DOWN
group default
link/ether 52:54:00:12:34:57 brd ff:ff:ff:ff:ff:ff
If the all-nsid option is set, the program listens to all network namespaces that have a nsid assigned into the network namespace were the
program is running. A prefix is displayed to show the network namespace where the message originates. Example:
[nsid 0]10.16.0.112 dev eth0 lladdr 00:04:23:df:2f:d0 REACHABLE
If the file option is given, the program does not listen on RTNETLINK, but opens the given file, and dumps its contents. The file should
contain RTNETLINK messages saved in binary format. Such a file can be generated with the rtmon utility. This utility has a command line
syntax similar to ip monitor. Ideally, rtmon should be started before the first network configuration command is issued. F.e. if you
insert:
rtmon file /var/log/rtmon.log
in a startup script, you will be able to view the full history later.
Nevertheless, it is possible to start rtmon at any time. It prepends the history with the state snapshot dumped at the moment of starting.
If the dev option is given, the program prints only events related to this device.
SEE ALSO ip(8)AUTHOR
Original Manpage by Michail Litvak <mci@owl.openwall.com>
Manpage revised by Nicolas Dichtel <nicolas.dichtel@6wind.com>
iproute2 13 Dec 2012 IP-MONITOR(8)
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