iproute2 (ip) is a tool used to manipulate network configurations.

learn more… | top users | synonyms

113
votes
4answers
29k views

Should I quit using Ifconfig?

With the servers that mount Infiniband cards, when I use the ifconfig command, I get this warning: Ifconfig uses the ioctl access method to get the full address information, which limits hardware ...
3
votes
3answers
4k views

Advanced routing problem

I have 2 internet links using 2 ADSL routers and I need to give access to the Internet for the 192.168.0.0/24 network. I have to route outgoing traffic based on port number, protocol, … using ...
5
votes
2answers
4k views

Routing selection: specificity vs metric

I understand that Linux chooses the most specific route to the destination when it does routing selection. But what about a route's metric? Does it have a higher priority than route's specificity? A ...
1
vote
1answer
4k views

Linux split access (multiple internet connections w/ load balancing)

Short story: I've got a faulty cisco 1811 on my hands. It's a dual wan fixed configuration router. I had it setup with route maps to do load balancing. It works but every couple of hours it shits ...
3
votes
2answers
3k views

TC hashing filters - single rule deletion

For traffic shaping I'm currently using a setup that looks exactly like the setup from LARTC, on this page: http://lartc.org/howto/lartc.adv-filter.hashing.html I have a simple problem with that - ...
3
votes
1answer
448 views

Change source IP address based on the system user

I would like to make a certain user have a specific source IP address. For this purpose, I added a secondary IP address to the network interface and tried to enforce the source IP using ip6tables and ...
1
vote
3answers
5k views

Linux policy routing - packets not coming back [closed]

i am trying to set up policy routing on my home server. My network looks like this: Host routed VPN gateway Internet link through VPN 192.168.0.35/24 ---> 192.168.0.5/24 ---&...
1
vote
7answers
320 views

Create new subnet over existing subnet

I have three servers that currently have ips 192.168.1.1, 192.168.1.2, and 192.168.1.3. They can see each other and talk to each other. I would like to create a second subnet, on top of the 192.168....
0
votes
1answer
2k views

IP/GRE compiled in kernel but gre0 interface doesnt exist

Im trying to create IP over GRE tunnel but i get No such device: ip tunnel add gre0 mode gre remote 192.168.152.22 local 192.168.152.21 ttl 255 ioctl: No such device I have compiled GRE support in ...