A route is the path through the network packets take in order to reach their destinations. The route command lets the user view and modify the IP routing table
Questions tagged [route]
351 questions
38
votes
1 answer
netplan generate: `gateway4` has been deprecated, use default routes instead
When using netplan generate I kept on getting an error message:
gateway4 has been deprecated, use default routes instead.
For static IP address assignments in netplan, I've always used the structure:
network:
version: 2
renderer: networkd
…
erwin
- 1,723
- 1
- 9
- 18
28
votes
2 answers
How to delete an IP route?
How to delete a route like the one below from a UNIX server?
122.252.228.38/255.255.255.255 122.252.228.38 UH 0 lan4 4136
Nagaraj Ganne
- 301
- 1
- 3
- 3
28
votes
2 answers
Which order is the route table analyzed in?
On my PC I have to following routing table:
Destination Gateway Genmask Flags MSS Window irtt Iface
0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 wlan0
192.168.1.0 0.0.0.0 255.255.255.0 …
zer0uno
- 1,273
- 4
- 16
- 15
24
votes
2 answers
How to add ipv6 default route
I have the following setup
Linux 1 Linux 0
eth1 eth0-------------------eth0
14.14.14.80 19.19.19.20 19.19.19.10
2005::5/64 2004::3/64 2001::3/64
From Linux0,…
kishore .
- 455
- 1
- 3
- 10
23
votes
6 answers
Why can't I ping Google?
I can't ping google.com (unknown host). But I can ping IP addresses. I tried to ping the IP address of Google but it doesn't work.
resolv.conf
nameserver 8.8.8.8 nameserver 209.139.209.33
ifconfig -a
eth0 Link encap:Ethernet HWaddr…
az93
- 857
- 4
- 9
- 9
22
votes
1 answer
What is the GNU/Linux equivalent of BSD's "route get ..."?
The BSD route command has a feature that will show what route will be selected for a given host. For example:
/Users/mhaase $ route get google.com
route to: iad23s07-in-f8.1e100.net
destination: iad23s07-in-f8.1e100.net
gateway: 10.36.13.1
…
Mark E. Haase
- 451
- 2
- 5
- 12
19
votes
1 answer
proper syntax to delete default route for a particular interface?
summary:
me@client:~$ sudo route del default ppp0
SIOCDELRT: No such process
me@client:~$ sudo route del default dev ppp0
SIOCDELRT: No such process
me@client:~$ sudo route del -net default dev ppp0
SIOCDELRT: No such process
me@client:~$ sudo route…
TomRoche
- 1,275
- 3
- 15
- 29
18
votes
2 answers
iptables --set-mark - Route diferent ports through different interfaces
Short story,
3 interfaces, eth0 (LAN), eth1(ADSL), eth2(4G).
eth0 -> eth1: Works
(ports 80, 443, 4070) eth0 -> eth2: Doesn't happen
This is a graphical representation of the idea:
Port 80 & 443 via eth2
ant the rest via eth1
Netscheme:
eth0: -ip…
Torxed
- 3,567
- 7
- 27
- 44
17
votes
2 answers
What is the best way to add a permanent route?
I need to add a route that won't be deleted after reboot. I read these two ways of doing it :
Add ip route add -net 172.X.X.0/24 gw 172.X.X.X dev ethX to the file /etc/network/interfaces
or
Create the file /etc/network/if-up.d/route…
Pozinux
- 1,305
- 5
- 16
- 27
14
votes
1 answer
Where is routing table stored internally in the Linux kernel?
When I execute route -n, from where exactly (from which structs) is the information displayed retrieved?
I tried executing strace route -n but I didn't help me finding the right place it's stored.
syntagma
- 12,091
- 21
- 57
- 74
13
votes
1 answer
Set persistent routing table on Debian
I have modified my routing table by deleting one rule, and adding two new rules for my second interface eth1:
route del -net 10.1.2.0 netmask 255.255.255.0
route add -host 10.1.2.51 eth1
route add -host 10.1.2.52 eth1
I want the rules to survive…
Martin Vegter
- 69
- 66
- 195
- 326
13
votes
2 answers
What's the meaning of `linkdown` and `onlink' in Linux Route?
When I typed ip route show:
What does linkdown actually mean?
Sometimes I can still see onlink. Also want to know what onlink means.
Does it affect the routing priority? For example, the case of two default routes in the picture
DanoR
- 143
- 1
- 1
- 4
13
votes
1 answer
How To Make All Traffic To Go Through One Interface In Linux
I have a self-written interface tun0 (TUN/TAP based) that outputs what it receives.
I need all traffic of the system to flow through this interface.
The role of the interface is:
To figure out packets likely to be censored and tunnel them.
Pass all…
ilyaigpetrov
- 143
- 2
- 11
12
votes
3 answers
Command route not found
I can' t use the command route:
route
bash: route: command not found
Why is it not found? (I'm using debian 9).
I tried to run it as root but it still does not work. However it is supposed to work also without root.
Additional…
Scorpion
- 737
- 1
- 7
- 18
11
votes
3 answers
how to ping & use specific network card
i have 3 network cards , 1 Lan (wired) , 1 wireless network card & 1 is wireless usb
how do i ping from specific network card ?
& how do i use specific network card for specific application
example
i want to ping google from wlan1
example for…
One Zero
- 211
- 1
- 2
- 5