03-13-2013
Static route not added
Hello Guys..
I am facing this weird problem of static route not added after reboot!!
Following is my route-<interface> file..
HTML Code:
[root@SERVER ~]# cat /etc/sysconfig/network-scripts/route-eth0
ADDRESS0=172.31.0.1
NETMASK0=255.255.255.255
GATEWAY0=192.168.208.1
ADDRESS1=172.31.15.2
NETMASK1=255.255.255.255
GATEWAY1=192.168.208.1
ADDRESS2=172.31.0.41
NETMASK2=255.255.255.255
GATEWAY2=192.168.208.1
ADDRESS2=10.27.2.111
NETMASK2=255.255.255.255
GATEWAY2=192.168.208.1
ADDRESS3=10.27.2.112
NETMASK3=255.255.255.255
GATEWAY3=192.168.208.1
[root@SERVER ~]#
after the server was rebooted, following was the routing table...
HTML Code:
[root@SERVER ~]# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
10.27.2.112 192.168.208.1 255.255.255.255 UGH 0 0 0 eth0
172.31.15.2 192.168.208.1 255.255.255.255 UGH 0 0 0 eth0
172.31.0.1 192.168.208.1 255.255.255.255 UGH 0 0 0 eth0
10.27.2.111 192.168.208.1 255.255.255.255 UGH 0 0 0 eth0
192.168.208.0 0.0.0.0 255.255.254.0 U 0 0 0 eth0
10.2.4.0 0.0.0.0 255.255.252.0 U 0 0 0 eth1
169.254.0.0 0.0.0.0 255.255.0.0 U 1002 0 0 eth0
169.254.0.0 0.0.0.0 255.255.0.0 U 1003 0 0 eth1
0.0.0.0 10.2.4.1 0.0.0.0 UG 0 0 0 eth1
[root@SERVER ~]#
As can be seen in output of route command, following route is not added after reboot!!
ADDRESS2=172.31.0.41
NETMASK2=255.255.255.255
GATEWAY2=192.168.208.1
I had to add it manually.. What could be the reason of this static route not being added after reboot?
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LEARN ABOUT OPENSOLARIS
tc-route
Route classifier in tc(8) Linux Route classifier in tc(8)
NAME
route - route traffic control filter
SYNOPSIS
tc filter ... route [ from REALM | fromif TAG ] [ to REALM ] [ classid CLASSID ] [ action ACTION_SPEC ]
DESCRIPTION
Match packets based on routing table entries. This filter centers around the possibility to assign a realm to routing table entries. For
any packet to be classified by this filter, a routing table lookup is performed and the returned realm is used to decide on whether the
packet is a match or not.
OPTIONS
action ACTION_SPEC
Apply an action from the generic actions framework on matching packets.
classid CLASSID
Push matching packets into the class identified by CLASSID.
from REALM
fromif TAG
Perform source route lookups. TAG is the name of an interface which must be present on the system at the time of tc invocation.
to REALM
Match if normal (i.e., destination) routing returns the given REALM.
EXAMPLES
Consider the subnet 192.168.2.0/24 being attached to eth0:
ip route add 192.168.2.0/24 dev eth0 realm 2
The following route filter will then match packets from that subnet:
tc filter add ... route from 2 classid 1:2
and pass packets on to class 1:2.
NOTES
Due to implementation details, realm values must be in a range from 0 to 255, inclusive. Alternatively, a verbose name defined in
/etc/iproute2/rt_realms may be given instead.
SEE ALSO
tc(8), ip-route(8)
iproute2 21 Oct 2015 Route classifier in tc(8)