All Questions
50
questions
0
votes
1
answer
21
views
Define route for some protocols
I'm on windows 10.
My default gateway is blocking ICMP, but if I change the route to some specific one (which pass through one VPN), ping is working. I can change ping to specific IP with route add ...
- 157
0
votes
0
answers
142
views
Ping not leaving linux VM
Firstly, only just learning Linux and networking, so please assume I have minimal knowledge!
Perhaps a week ago I was working on a small python script that involved pinging devices from the Kali Linux ...
0
votes
0
answers
20
views
Direct ping is not working
ping -I eth1 10.5.48.2 is working but ping 10.5.48.2 is not working
this is my route
Destination Gateway Genmask Flags Metric Ref Use Iface
default Docsis-Gateway. 0.0.0....
- 101
0
votes
1
answer
88
views
What routing setting do to ping other machines on other subnets through VPN?
To help explain my problem, I drew a diagram:
net draw
What I've managed to do so far is: I can ping the 192.168.200.101 machine from the 192.168.100.200/192.168.50.1 machine. To do this, I run the ...
- 3
0
votes
0
answers
189
views
Can not ping two endsystems each connected to a separate router
I have two routers and two end systems configured as shown below:
Also I have configured the routing table correctly, I believe, like,
On Router2:
Destination IP: 192.168.1.0
Subnet: 255.255.255.0
...
- 1
1
vote
1
answer
850
views
two devices on same WiFi network unable to see each other unless ARP table set manually
I have recently started having issues with a laptop device (running Ubuntu 22.04) on the local WiFi network being unable to connect to two separate Android devices (both running SSHelper). On my ...
- 2,764
1
vote
1
answer
1k
views
What network interface does a packet get to when it is routed to the IP of the machine itself?
I configured my machine like so:
eth0 - 192.168.70.128/24, default gw 192.168.70.128
When trying to send an ICMP request, for example, such that it would route through the default gateway, I get an ...
- 13
3
votes
0
answers
699
views
Why cannot veth-pair I created ping through each other
I created veth pair
ip link add veth0 type veth peer name veth1
ip addr add 1.2.3.101/24 dev veth0
ip addr add 1.2.3.102/24 dev veth1
ip link set veth0 up
ip link set veth1 up
485: veth1@veth0: <...
- 31
0
votes
1
answer
455
views
Forward ICMP to a tun interface
I’m creating a ICMP over DNS program.
Here is what works: I read tun0 interface, fragment and send to the server the ping (tunneling), process the ping on the server, get the answer and tunnel and ...
- 1
0
votes
1
answer
2k
views
Ping IP address routed to wrong destination
In short, what are the possible reasons that ping 192.168.1.18 will be redirected to 192.168.1.199 (or some other random IP addresses in 192.168.1.x)?
--
So here is the full story.
I have a network ...
- 14k
0
votes
0
answers
369
views
Time to Live(ttl) value in IP DATAGRAM computer networks
I have a query regarding TTL in computer networks
according to JAMES F. KUROSE in the book COMPUTER NETWORKING-a top-down approach
Time -to-live- The time-to-live (TTL) field is included to ensure ...
0
votes
0
answers
194
views
Not getting response from ICMP echo request, all routing tables seems correct
The data network shown below is experiencing a communications failure between the
Network A and Network B.
Data Network
Also, here you can see the routing tables of all the routers: Routing Tables
It ...
- 35
1
vote
1
answer
2k
views
Windows and Linux machines on network cannot ping each other- One reports Destination Host Unreachable, other reports Request timed out
I have two Windows 10 PCs and one Fedora 33 Linux machine (all physical machines) on my home wireless network, using ASUS RT-AC3200 router powered by Asuswrt Merlin version 384.13_10.
I am attempting ...
- 11
1
vote
0
answers
105
views
Multi-machine Network Setup: Cannot ping machine on different subnet but the reverse ping works
[Ubuntu 18.04]
My connection setup is as follows:
Laptop (Wifi: 192.168.43.181) <---> Jetson 1 [ROS MASTER] (Wifi: 192.168.43.2) | (Ethernet: 10.42.0.1) <--> Jetson 2 (Ethernet: 10.42.0.2)
...
- 11
0
votes
0
answers
509
views
Not able to ping between two routers
I have a network setup in my house as shown in the picture. The green arrow show that I am able to ping and the red arrow show that I am not able to ping. The IP addresses and subnet are given. I have ...
