Tagged Questions

0
votes
0answers
39 views

Always get “SIOCADDRT: File exists” when restarting networking on ubuntu

I have a problem very similar to getting error "SIOCADDRT: File exists" when trying to restart network on ubuntu, but it is not a duplicate for reasons explained below. My ...
3
votes
1answer
140 views

ip command vs route command, what's the difference?

I see both ip and route commands used for configuring the kernel routing tables. What's the difference? It seems to me that the ip command is preferred more. Is it so, and why?
0
votes
2answers
156 views

How do I configure dd-wrt to forward IP Protocol ID 50 & 51 traffic to an internal machine?

Please note, I'm not talking about TCP or UDP traffic. Rather IP traffic with the protocol ids of 50 and 51. The point of this being that I can then pass IPsec traffic thru to the internal machine ...
0
votes
1answer
71 views

Assigning Multiple IPs to VM

I have created a VM in XenServer and I'm trying to assign three IPs (local and public) to it. Now as i read from google that I can create three files like ifcfg-eth0, ifcfg-eth0:0 and ifcfg-eth0:1 and ...
0
votes
2answers
951 views

How to route UDP traffic from one public IP (linux) to another public IP(Windows)

I want to prevent direct access of my Windows Machine and want to expose some programs running on it via my Linux Machine (which again is accessible by a Public IP). Is there a way where-in I can ...
1
vote
2answers
60 views

Is it safe to call ip address add from more than one process at the same time?

I have a service which binds many NBD servers to a network interface at startup, each with their own IPv6 address. In order to do this, the addresses first need to be added to the correct interface. ...
7
votes
3answers
19k views

Why ip route add doesn't work, but ip route add with less details and then change works?

I have a problem with ip route add. Surprisingly, I can add the route then change it, but I cannot directly add it: # ip route add 192.168.0.0/16 via 192.168.255.254 src 192.168.1.101 RTNETLINK ...
0
votes
1answer
192 views

ip_queue: full on an SUSE application server. What to do?

An application server (SUSE 64bit) that has my app. on it is emitting "ip_queue: full" message and is refusing connection (e.g. can't ping). My app. is an EJB application that uses JBoss5, and it ...
4
votes
3answers
268 views

Access server via IP v6?

Question: I'm playing with IPv6 and converting it to IPv4 and vice-versa. I wanted to access http://127.0.0.1/ And did the standard ipv4 to ipv6 calculation: AA = 127 BB = 0 CC = 0 DD = 1 with the ...