09-14-2015
Centos-quick way to check if static routes are persistent
Hi All,
Is there a quick way to check whether the current routes on my centos are
persistent or not before rebooting ?
i can take a route -n output but i may completely lost access to my server if the routes are gone.
thanks.
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LEARN ABOUT SUSE
ocf_heartbeat_route
OCF_HEARTBEAT_ROUTE(7) OCF resource agents OCF_HEARTBEAT_ROUTE(7)
NAME
ocf_heartbeat_Route - Manages network routes
SYNOPSIS
Route [start | stop | monitor | reload | meta-data | validate-all]
DESCRIPTION
Enables and disables network routes. Supports host and net routes, routes via a gateway address, and routes using specific source
addresses. This resource agent is useful if a node's routing table needs to be manipulated based on node role assignment. Consider the
following example use case: - One cluster node serves as an IPsec tunnel endpoint. - All other nodes use the IPsec tunnel to reach hosts in
a specific remote network. Then, here is how you would implement this scheme making use of the Route resource agent: - Configure an ipsec
LSB resource. - Configure a cloned Route OCF resource. - Create an order constraint to ensure that ipsec is started before Route. - Create
a colocation constraint between the ipsec and Route resources, to make sure no instance of your cloned Route resource is started on the
tunnel endpoint itself.
SUPPORTED PARAMETERS
destination
The destination network (or host) to be configured for the route. Specify the netmask suffix in CIDR notation (e.g. "/24"). If no
suffix is given, a host route will be created. Specify "0.0.0.0/0" or "default" if you want this resource to set the system default
route. (required, string, no default)
device
The outgoing network device to use for this route. (optional, string, no default)
gateway
The gateway IP address to use for this route. (optional, string, no default)
source
The source IP address to be configured for the route. (optional, string, no default)
table
The routing table to be configured for the route. (optional, string, no default)
SUPPORTED ACTIONS
This resource agent supports the following actions (operations):
start
Starts the resource. Suggested minimum timeout: 20.
stop
Stops the resource. Suggested minimum timeout: 20.
monitor
Performs a detailed status check. Suggested minimum timeout: 20. Suggested interval: 10.
reload
Suggested minimum timeout: 20.
meta-data
Retrieves resource agent metadata (internal use only). Suggested minimum timeout: 5.
validate-all
Performs a validation of the resource configuration. Suggested minimum timeout: 20.
EXAMPLE
The following is an example configuration for a Route resource using the crm(8) shell:
primitive example_Route ocf:heartbeat:Route
params
destination=string
op monitor timeout="20" interval="10" depth="0"
SEE ALSO
http://www.linux-ha.org/wiki/Route_(resource_agent)
AUTHOR
Linux-HA contributors (see the resource agent source for information about individual authors)
resource-agents 1.0.3 07/05/2010 OCF_HEARTBEAT_ROUTE(7)