All Questions
13 questions
3
votes
1
answer
3k
views
Why is Linux policy-based routing (PBR) not working for ping?
First of all, it seems as if this question is about Linux, but it seems to me that it is about basic routing concepts.
I happen to have the following configuration:
What I am trying to do is to ...
- 33
2
votes
1
answer
570
views
How to force `ip route get` to ignore a specific device?
How can I do ip route get, but force it to ignore a specific device?
When I start my VPN, I run ip route get <vpn_server_ip> to determine what interface to use to connect to the VPN. Then I add ...
- 121
0
votes
1
answer
97
views
Routing between two networks
Basically I would like to know what should I do to connect two PCs in different networks and make them to see each other.
The diagram is like the following
linux-pc-1-1 (192.168.0.2 eth0) <---> (...
0
votes
1
answer
2k
views
ip route and rule on boot
I'm trying to have the following rule and route added automaticaly on boot.
Adding them manually make things work.
I'm running CentOS.
ip rule add from 10.1.10.10/10 dev my-tun table my-table
ip ...
- 419
0
votes
2
answers
119
views
Why is the order of routing commands important in this case?
Why is the result different between this
ip tuntap add dev tun1 mode tun
ip link set up tun1
ip route add 1.2.3.4 via 192.168.0.1 dev eth0
ip addr add 10.0.0.1 peer 1.2.3.4 dev tun1
and this (last ...
- 161
0
votes
1
answer
2k
views
does the src field in an ip route entry have any effect on forwarding traffic?
does the src field in ip route have any affect on forwarding traffic? or is it only significant for output traffic?
what is the significance of an ip route entry that specifies both dev and src, ...
- 13
0
votes
2
answers
508
views
router's ip on subnet1 conflicts with identical host ip on subnet2
i'm trying to setup a linux machine as router for the following subnets:
+--------------------------------------------+ host3
...
- 13
0
votes
1
answer
696
views
IP routing table with non unique ID?
Is it possible to have multiple routing tables with the same ID? the name of the table would still be unique.
I cant find the information about this, seems is focusing on ip rule and add addr to the ...
- 103
0
votes
1
answer
318
views
routing multiple IPs on a single bond device - debian linux
I'm using linux server with nginx and additional IP-addresses for various web-sites.
It has main eth0 device with ipv4 (xx.xxx.210.245) and ipv6 (xxxx:xxxx:xxxx:xxxx:xxxx:ffff:6189:d2f5) and bond0 (xx....
0
votes
0
answers
294
views
How to set up a Linux gateway for multiple WAN networks?
I have a network with the following IPv4 and IPv6 addresses:
eth0 Link encap:Ethernet Hardware Adresse 30:85:a9:42:3e:60
inet Adresse:109.2xx.239.145 Bcast:109.2xx.239.255 Maske:255.255....
- 131
0
votes
2
answers
4k
views
Failed to ping through gateway which is not default gateway
I have the following network interface configuration,
eth0: 192.168.78.1/24
eth1: 192.168.254.76/24 (Gateway 192.168.254.1)
eth2: 192.168.253.131/24 (Gateway 192.168.253.1)
where both gateways have ...
- 101
1
vote
1
answer
420
views
Special setup for a linux server to route to itself
I've got two linux servers in question. When one server initiates a request for a specific IP address that the other server has, I would like the initiating server to route the request back to itself ...
- 444
10
votes
1
answer
34k
views
Static route without knowing the nexthop (linux)
I have an eth3 interface in a linux router, with an adsl modem. This adsl modem is in bridged mode, so the public IP is assigned to eth3 (say 11.22.33.44), and the modem is just not seen by my server.
...
- 473