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centos 7 persistent static route
Bonding and default gateway problem (CentOS)help with a static route on centos 5.6 pleasePersistent static route stops working after VPN drops and reconnectsAdd Persistent Static Route in Centos 5CentOS 7 (Dracut) - Network boot with gateway in different subnetRoute traffic through private IP for only certain hosts - CentOS 6.6Can't bridge traffic between a wireless and wired interface of a windows 7 laptopConfigure network for Firewall serverConfiguring a Hurricane Electric IPv6 tunnel without being the default gatewayStatic routing in Linux (as a router)
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I have a centos 7 server, with 4 interfaces. i am trying to give each of these interfaces a different ip, gateway and netmask.
I want each interface to respond requests itself. so if a request has came in on interface enp2s0, i want enp2s0 to respond to request.
I have one interface for Management (guess enp2s0) and it should be only available in internal network and stuff like that.
So, i have a default gateway set in /etc/sysconfigs/network :
GATEWAY=192.168.0.1
in the test case, 192.168.0.1 has access to internet.
then, i have my interfaces setup this way:
enp2s0 (static ip: 192.168.0.176):
192.168.0.0/24 via 192.168.0.176 dev enp2s0
enp3s0(static ip: 192.168.50.40):
default via 192.168.0.1 dev enp3s0
192.168.50.0/24 via 192.168.50.1 dev enp3s0
enp4s0 (static ip: 192.168.30.40):
192.168.30.0/24 via 192.168.30.1 dev enp4s0
and this is my ip route show all command:
default via 192.168.0.1 dev enp2s0 proto static metric 100
default via 192.168.0.1 dev enp4s0 proto static metric 101
192.168.0.0/24 dev enp2s0 proto kernel scope link src 192.168.0.176 metric 100
192.168.0.1 dev enp4s0 proto static scope link metric 100
192.168.30.0/24 dev enp4s0 proto kernel scope link src 192.168.30.40 metric 100
192.168.50.0/24 dev enp3s0 proto kernel scope link src 192.168.50.40 metric 100
what should i change? i want to be able to respond to all requests coming in, from the same interface that got the request.
all of the interfaces are connected to a router, so i don't have ip range matching problem, and can receive all the traffic.
centos centos7 static-routes
asked Jun 13 '18 at 5:00
senapssenaps
1137
add a comment |
I have a centos 7 server, with 4 interfaces. i am trying to give each of these interfaces a different ip, gateway and netmask.
I want each interface to respond requests itself. so if a request has came in on interface enp2s0, i want enp2s0 to respond to request.
I have one interface for Management (guess enp2s0) and it should be only available in internal network and stuff like that.
So, i have a default gateway set in /etc/sysconfigs/network :
GATEWAY=192.168.0.1
in the test case, 192.168.0.1 has access to internet.
then, i have my interfaces setup this way:
enp2s0 (static ip: 192.168.0.176):
192.168.0.0/24 via 192.168.0.176 dev enp2s0
enp3s0(static ip: 192.168.50.40):
default via 192.168.0.1 dev enp3s0
192.168.50.0/24 via 192.168.50.1 dev enp3s0
enp4s0 (static ip: 192.168.30.40):
192.168.30.0/24 via 192.168.30.1 dev enp4s0
and this is my ip route show all command:
default via 192.168.0.1 dev enp2s0 proto static metric 100
default via 192.168.0.1 dev enp4s0 proto static metric 101
192.168.0.0/24 dev enp2s0 proto kernel scope link src 192.168.0.176 metric 100
192.168.0.1 dev enp4s0 proto static scope link metric 100
192.168.30.0/24 dev enp4s0 proto kernel scope link src 192.168.30.40 metric 100
192.168.50.0/24 dev enp3s0 proto kernel scope link src 192.168.50.40 metric 100
what should i change? i want to be able to respond to all requests coming in, from the same interface that got the request.
all of the interfaces are connected to a router, so i don't have ip range matching problem, and can receive all the traffic.
centos centos7 static-routes
asked Jun 13 '18 at 5:00
senapssenaps
1137
By default Linux uses a single TCP/IP stack and routing table shared by all interfaces on your system. That is usually very efficient, but it sounds like you want to have each interface completely independent from the others, with their own ip-address and different (default) routes. You usually achieve that by creating separate network namespaces. See for instance man7.org/linux/man-pages/man8/ip-netns.8.html
– HBruijn
Jun 13 '18 at 7:15
@HBruijn since no one answered, is there anyway to do it with persistent routes? i am trying to code a script that does it, so we can change networking settings instantly and easily, we have previously have done it with route tables in eachifcfg-Xfile, but i came up with static routes.
– senaps
Jun 17 '18 at 6:09
add a comment |
I have a centos 7 server, with 4 interfaces. i am trying to give each of these interfaces a different ip, gateway and netmask.
I want each interface to respond requests itself. so if a request has came in on interface enp2s0, i want enp2s0 to respond to request.
I have one interface for Management (guess enp2s0) and it should be only available in internal network and stuff like that.
So, i have a default gateway set in /etc/sysconfigs/network :
GATEWAY=192.168.0.1
in the test case, 192.168.0.1 has access to internet.
then, i have my interfaces setup this way:
enp2s0 (static ip: 192.168.0.176):
192.168.0.0/24 via 192.168.0.176 dev enp2s0
enp3s0(static ip: 192.168.50.40):
default via 192.168.0.1 dev enp3s0
192.168.50.0/24 via 192.168.50.1 dev enp3s0
enp4s0 (static ip: 192.168.30.40):
192.168.30.0/24 via 192.168.30.1 dev enp4s0
and this is my ip route show all command:
default via 192.168.0.1 dev enp2s0 proto static metric 100
default via 192.168.0.1 dev enp4s0 proto static metric 101
192.168.0.0/24 dev enp2s0 proto kernel scope link src 192.168.0.176 metric 100
192.168.0.1 dev enp4s0 proto static scope link metric 100
192.168.30.0/24 dev enp4s0 proto kernel scope link src 192.168.30.40 metric 100
192.168.50.0/24 dev enp3s0 proto kernel scope link src 192.168.50.40 metric 100
what should i change? i want to be able to respond to all requests coming in, from the same interface that got the request.
all of the interfaces are connected to a router, so i don't have ip range matching problem, and can receive all the traffic.
centos centos7 static-routes
asked Jun 13 '18 at 5:00
senapssenaps
1137
I have a centos 7 server, with 4 interfaces. i am trying to give each of these interfaces a different ip, gateway and netmask.
I want each interface to respond requests itself. so if a request has came in on interface enp2s0, i want enp2s0 to respond to request.
I have one interface for Management (guess enp2s0) and it should be only available in internal network and stuff like that.
So, i have a default gateway set in /etc/sysconfigs/network :
GATEWAY=192.168.0.1
in the test case, 192.168.0.1 has access to internet.
then, i have my interfaces setup this way:
enp2s0 (static ip: 192.168.0.176):
192.168.0.0/24 via 192.168.0.176 dev enp2s0
enp3s0(static ip: 192.168.50.40):
default via 192.168.0.1 dev enp3s0
192.168.50.0/24 via 192.168.50.1 dev enp3s0
enp4s0 (static ip: 192.168.30.40):
192.168.30.0/24 via 192.168.30.1 dev enp4s0
and this is my ip route show all command:
default via 192.168.0.1 dev enp2s0 proto static metric 100
default via 192.168.0.1 dev enp4s0 proto static metric 101
192.168.0.0/24 dev enp2s0 proto kernel scope link src 192.168.0.176 metric 100
192.168.0.1 dev enp4s0 proto static scope link metric 100
192.168.30.0/24 dev enp4s0 proto kernel scope link src 192.168.30.40 metric 100
192.168.50.0/24 dev enp3s0 proto kernel scope link src 192.168.50.40 metric 100
what should i change? i want to be able to respond to all requests coming in, from the same interface that got the request.
all of the interfaces are connected to a router, so i don't have ip range matching problem, and can receive all the traffic.
centos centos7 static-routes
centos centos7 static-routes
asked Jun 13 '18 at 5:00
senapssenaps
1137
asked Jun 13 '18 at 5:00
senapssenaps
1137
asked Jun 13 '18 at 5:00
senapssenaps
1137
asked Jun 13 '18 at 5:00
senapssenaps
1137
asked Jun 13 '18 at 5:00
senapssenaps
1137
1137
By default Linux uses a single TCP/IP stack and routing table shared by all interfaces on your system. That is usually very efficient, but it sounds like you want to have each interface completely independent from the others, with their own ip-address and different (default) routes. You usually achieve that by creating separate network namespaces. See for instance man7.org/linux/man-pages/man8/ip-netns.8.html
– HBruijn
Jun 13 '18 at 7:15
@HBruijn since no one answered, is there anyway to do it with persistent routes? i am trying to code a script that does it, so we can change networking settings instantly and easily, we have previously have done it with route tables in eachifcfg-Xfile, but i came up with static routes.
– senaps
Jun 17 '18 at 6:09
add a comment |
By default Linux uses a single TCP/IP stack and routing table shared by all interfaces on your system. That is usually very efficient, but it sounds like you want to have each interface completely independent from the others, with their own ip-address and different (default) routes. You usually achieve that by creating separate network namespaces. See for instance man7.org/linux/man-pages/man8/ip-netns.8.html
– HBruijn
Jun 13 '18 at 7:15
@HBruijn since no one answered, is there anyway to do it with persistent routes? i am trying to code a script that does it, so we can change networking settings instantly and easily, we have previously have done it with route tables in eachifcfg-Xfile, but i came up with static routes.
– senaps
Jun 17 '18 at 6:09
By default Linux uses a single TCP/IP stack and routing table shared by all interfaces on your system. That is usually very efficient, but it sounds like you want to have each interface completely independent from the others, with their own ip-address and different (default) routes. You usually achieve that by creating separate network namespaces. See for instance man7.org/linux/man-pages/man8/ip-netns.8.html
– HBruijn
Jun 13 '18 at 7:15
By default Linux uses a single TCP/IP stack and routing table shared by all interfaces on your system. That is usually very efficient, but it sounds like you want to have each interface completely independent from the others, with their own ip-address and different (default) routes. You usually achieve that by creating separate network namespaces. See for instance man7.org/linux/man-pages/man8/ip-netns.8.html
– HBruijn
Jun 13 '18 at 7:15
@HBruijn since no one answered, is there anyway to do it with persistent routes? i am trying to code a script that does it, so we can change networking settings instantly and easily, we have previously have done it with route tables in each
ifcfg-X file, but i came up with static routes.– senaps
Jun 17 '18 at 6:09
@HBruijn since no one answered, is there anyway to do it with persistent routes? i am trying to code a script that does it, so we can change networking settings instantly and easily, we have previously have done it with route tables in each
ifcfg-X file, but i came up with static routes.– senaps
Jun 17 '18 at 6:09
add a comment |
1 Answer
1
active
oldest
votes
I have configured static and persistent rule using nmtui utility. You can play around with route metric to give proper gateway precedence. Attached an example of route config across two NICs. And here is the sample o/p:
[root@demo-host ~]# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 172.15.1.1 0.0.0.0 UG 100 0 0 ens224
10.10.0.0 192.168.7.254 255.255.255.0 UG 0 0 0 ens192
10.70.0.0 192.168.7.254 255.255.255.0 UG 0 0 0 ens192
172.15.1.0 0.0.0.0 255.255.255.0 U 100 0 0 ens224
192.168.7.0 0.0.0.0 255.255.255.0 U 100 0 0 ens192
192.168.8.0 192.168.7.254 255.255.255.0 UG 0 0 0 ens192
192.168.122.0 0.0.0.0 255.255.255.0 U 0 0 0 virbr0
[root@demo-host ~]#
nmtui edit ens192
answered May 29 at 17:50
m_r_nadhm_r_nadh
113
I needed a way to change the routes from the code. while this method of yours works, is not the correct answer to my question. thank you for the answer, I gave you a + for the question.
– senaps
Jun 1 at 4:47
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
I have configured static and persistent rule using nmtui utility. You can play around with route metric to give proper gateway precedence. Attached an example of route config across two NICs. And here is the sample o/p:
[root@demo-host ~]# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 172.15.1.1 0.0.0.0 UG 100 0 0 ens224
10.10.0.0 192.168.7.254 255.255.255.0 UG 0 0 0 ens192
10.70.0.0 192.168.7.254 255.255.255.0 UG 0 0 0 ens192
172.15.1.0 0.0.0.0 255.255.255.0 U 100 0 0 ens224
192.168.7.0 0.0.0.0 255.255.255.0 U 100 0 0 ens192
192.168.8.0 192.168.7.254 255.255.255.0 UG 0 0 0 ens192
192.168.122.0 0.0.0.0 255.255.255.0 U 0 0 0 virbr0
[root@demo-host ~]#
nmtui edit ens192
answered May 29 at 17:50
m_r_nadhm_r_nadh
113
I needed a way to change the routes from the code. while this method of yours works, is not the correct answer to my question. thank you for the answer, I gave you a + for the question.
– senaps
Jun 1 at 4:47
add a comment |
I have configured static and persistent rule using nmtui utility. You can play around with route metric to give proper gateway precedence. Attached an example of route config across two NICs. And here is the sample o/p:
[root@demo-host ~]# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 172.15.1.1 0.0.0.0 UG 100 0 0 ens224
10.10.0.0 192.168.7.254 255.255.255.0 UG 0 0 0 ens192
10.70.0.0 192.168.7.254 255.255.255.0 UG 0 0 0 ens192
172.15.1.0 0.0.0.0 255.255.255.0 U 100 0 0 ens224
192.168.7.0 0.0.0.0 255.255.255.0 U 100 0 0 ens192
192.168.8.0 192.168.7.254 255.255.255.0 UG 0 0 0 ens192
192.168.122.0 0.0.0.0 255.255.255.0 U 0 0 0 virbr0
[root@demo-host ~]#
nmtui edit ens192
answered May 29 at 17:50
m_r_nadhm_r_nadh
113
I needed a way to change the routes from the code. while this method of yours works, is not the correct answer to my question. thank you for the answer, I gave you a + for the question.
– senaps
Jun 1 at 4:47
add a comment |
I have configured static and persistent rule using nmtui utility. You can play around with route metric to give proper gateway precedence. Attached an example of route config across two NICs. And here is the sample o/p:
[root@demo-host ~]# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 172.15.1.1 0.0.0.0 UG 100 0 0 ens224
10.10.0.0 192.168.7.254 255.255.255.0 UG 0 0 0 ens192
10.70.0.0 192.168.7.254 255.255.255.0 UG 0 0 0 ens192
172.15.1.0 0.0.0.0 255.255.255.0 U 100 0 0 ens224
192.168.7.0 0.0.0.0 255.255.255.0 U 100 0 0 ens192
192.168.8.0 192.168.7.254 255.255.255.0 UG 0 0 0 ens192
192.168.122.0 0.0.0.0 255.255.255.0 U 0 0 0 virbr0
[root@demo-host ~]#
nmtui edit ens192
answered May 29 at 17:50
m_r_nadhm_r_nadh
113
I have configured static and persistent rule using nmtui utility. You can play around with route metric to give proper gateway precedence. Attached an example of route config across two NICs. And here is the sample o/p:
[root@demo-host ~]# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 172.15.1.1 0.0.0.0 UG 100 0 0 ens224
10.10.0.0 192.168.7.254 255.255.255.0 UG 0 0 0 ens192
10.70.0.0 192.168.7.254 255.255.255.0 UG 0 0 0 ens192
172.15.1.0 0.0.0.0 255.255.255.0 U 100 0 0 ens224
192.168.7.0 0.0.0.0 255.255.255.0 U 100 0 0 ens192
192.168.8.0 192.168.7.254 255.255.255.0 UG 0 0 0 ens192
192.168.122.0 0.0.0.0 255.255.255.0 U 0 0 0 virbr0
[root@demo-host ~]#
nmtui edit ens192
answered May 29 at 17:50
m_r_nadhm_r_nadh
113
answered May 29 at 17:50
m_r_nadhm_r_nadh
113
answered May 29 at 17:50
m_r_nadhm_r_nadh
113
answered May 29 at 17:50
m_r_nadhm_r_nadh
113
113
I needed a way to change the routes from the code. while this method of yours works, is not the correct answer to my question. thank you for the answer, I gave you a + for the question.
– senaps
Jun 1 at 4:47
add a comment |
I needed a way to change the routes from the code. while this method of yours works, is not the correct answer to my question. thank you for the answer, I gave you a + for the question.
– senaps
Jun 1 at 4:47
I needed a way to change the routes from the code. while this method of yours works, is not the correct answer to my question. thank you for the answer, I gave you a + for the question.
– senaps
Jun 1 at 4:47
I needed a way to change the routes from the code. while this method of yours works, is not the correct answer to my question. thank you for the answer, I gave you a + for the question.
– senaps
Jun 1 at 4:47
add a comment |
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By default Linux uses a single TCP/IP stack and routing table shared by all interfaces on your system. That is usually very efficient, but it sounds like you want to have each interface completely independent from the others, with their own ip-address and different (default) routes. You usually achieve that by creating separate network namespaces. See for instance man7.org/linux/man-pages/man8/ip-netns.8.html
– HBruijn
Jun 13 '18 at 7:15
@HBruijn since no one answered, is there anyway to do it with persistent routes? i am trying to code a script that does it, so we can change networking settings instantly and easily, we have previously have done it with route tables in each
ifcfg-Xfile, but i came up with static routes.– senaps
Jun 17 '18 at 6:09