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##
IP
##
System configuration commands
-----------------------------
.. cfgcmd:: set system ip disable-forwarding
Use this command to disable IPv4 forwarding on all interfaces.
.. cfgcmd:: set system ip disable-directed-broadcast
Use this command to disable IPv4 directed broadcast forwarding on all
interfaces.
If set, IPv4 directed broadcast forwarding will be completely disabled
regardless of whether per-interface directed broadcast forwarding is
enabled or not.
.. cfgcmd:: set system ip arp table-size <number>
Use this command to define the maximum number of entries to keep in
the ARP cache (1024, 2048, 4096, 8192, 16384, 32768).
.. cfgcmd:: set system ip multipath layer4-hashing
Use this command to use Layer 4 information for IPv4 ECMP hashing.
Zebra/Kernel route filtering
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Zebra supports prefix-lists and Route Mapss to match routes received from
other FRR components. The permit/deny facilities provided by these commands
can be used to filter which routes zebra will install in the kernel.
.. cfgcmd:: set system ip protocol <protocol> route-map <route-map>
Apply a route-map filter to routes for the specified protocol. The following
protocols can be used: any, babel, bgp, connected, eigrp, isis, kernel,
ospf, rip, static, table
.. note:: If you choose any as the option that will cause all protocols that
are sending routes to zebra.
Operational commands
--------------------
show commands
^^^^^^^^^^^^^
See below the different parameters available for the IPv4 **show** command:
.. code-block:: none
vyos@vyos:~$ show ip
Possible completions:
access-list Show all IP access-lists
as-path-access-list
Show all as-path-access-lists
bgp Show Border Gateway Protocol (BGP) information
community-list
Show IP community-lists
extcommunity-list
Show extended IP community-lists
forwarding Show IP forwarding status
groups Show IP multicast group membership
igmp Show IGMP (Internet Group Management Protocol) information
large-community-list
Show IP large-community-lists
multicast Show IP multicast
ospf Show IPv4 Open Shortest Path First (OSPF) routing information
pim Show PIM (Protocol Independent Multicast) information
ports Show IP ports in use by various system services
prefix-list Show all IP prefix-lists
protocol Show IP route-maps per protocol
rip Show Routing Information Protocol (RIP) information
route Show IP routes
reset commands
^^^^^^^^^^^^^^
And the different IPv4 **reset** commands available:
.. code-block:: none
vyos@vyos:~$ reset ip
Possible completions:
arp Reset Address Resolution Protocol (ARP) cache
bgp Clear Border Gateway Protocol (BGP) statistics or status
igmp IGMP clear commands
multicast IP multicast routing table
route Reset IP route
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