All Questions
21 questions
-1
votes
1
answer
374
views
List all active devices in different subnets?
My company has a class A network that contains various subnets. I need to automate a way to produce a list of all online devices (in all the subnets). To start, just a list of responsive private IPs ...
- 11
0
votes
1
answer
1k
views
Unable to ping between two devices in two subnets connected via router
I have two systems running on Windows, the first one S1 in subnet 192.168.3.0 and the second one S2 in subnet 192.168.2.0. Both are connected to my Linux box, say R1, which I want to act as router for ...
0
votes
0
answers
534
views
Can't ping PetaLinux machine if both NICs on same subnet and unplug eth0
I have a PetaLinux machine (Embedded Linux on a Xilinx Zynq device, debian fork, kernel 4.19). If the two NICs are on different subnets, then I can disconnect one NIC, and the other will continue ...
- 291
0
votes
1
answer
2k
views
One IP address does not respond to ping
Ok so here's the situation: I have a DMZ subnet, x.x.x.x, and this IP address( x.x.x.63 | 255.255.255.0 | gateway x.x.x.1) fails every ping request by any other device in the network but still works ...
- 1
1
vote
0
answers
5k
views
Proxmox VM can't ping outside but host
I'm trying to configurate my proxmox but something is faulty and I cannot see what really it is.
I hit almost every google search result and almost every post on the forum and still can't see what ...
- 21
0
votes
0
answers
418
views
Failure to ping two devices on the same subnet
Need some help with Routing. I do not understand how to make this work
I have 2 Devices configured. One of the devices(somebox1) is configured with 2 interfaces and the Routing table looks similar as ...
1
vote
0
answers
4k
views
IPv6 Routing: Destination unreachable: Beyond scope of source address
I need a help with IPv6 routing, I have setup a Linux box with a IPv6 interface on eth2, and this interface is bonded with interface bond0
Details as below
cat /etc/sysconfig/network-scripts/ifcfg-...
2
votes
0
answers
2k
views
Why would I get ping replies from a private IP outside of my subnet?
I have a computer with 2 network adapters, each on its own subnet. One is our private LAN, 192.168.1.0/24, the other is for the internet. The internet subnet is 10.251.85.161/27.
When I ping-...
- 21
12
votes
2
answers
4k
views
I am able to ping a device on a different subnet without passing through a L3 device. How?
I have two devices in the same broadcast domain. My PC and an Avaya IP Control Unit.
My IP is 10.168.10.154/22.
Avaya Device IP is 192.168.10.99/23.
I am able to ping this device and don't ...
- 734
-2
votes
1
answer
3k
views
Cannot ping DNS servers
I'm in abit of a situation, here is what I'm up against:
So I have two server, on different subnets.
Both servers can ping each other.
Server one 10.0.1.*
Server two 192.168.2.*
Server one can ...
7
votes
3
answers
45k
views
Linux : Ping all the host in the subnet
There is one solaris command to ping all the hosts in the subnet by issuing :
ping -s 255.255.255.255
Is there anything similar to this one in linux ? My intention is to find one mac address as ...
- 127
3
votes
0
answers
2k
views
Ping problems with two interfaces, same subnet, direct connections to two separate hosts
I have a configuration of a client machine (Ubuntu 14.04.2 LTS) that directly connects to two server machines. The server machines--while on the same subnet--cannot route to each other. Packets must ...
- 31
2
votes
1
answer
187
views
Accessing a server with wrong IP out of segment range
I have run into a similar problem as in this question about a wrong IP in LAN. However, the standard addr alias trick on the NIC did not help. I have no direct access to the server console, I might ...
- 131
4
votes
1
answer
471
views
OpenVPN Access Server: Remote Subnet Cannot Access Client's Resources
I have OpenVPN Access Server running on AWS. Here's the configuration:
172.18.16.0/20
Client (172.18.16.101) ----- OpenVPN Server (172.16.0.0/20)
|
...
- 61
-2
votes
2
answers
39k
views
Ping PC in Different Subnet / Network [closed]
I am new to practical aspects of networking. So what I was trying is to ping two PC which are connected to two (wireless) routers which are taking internet through LAN.
So Router 1 IP : 10.100.98.25
...
- 151
1
vote
1
answer
1k
views
Unable to connect to device across subnet
I have a network printer (Sharp copier) that I am unable to contact from a different subnet . I am on 192.168.100.x. The printer is on 192.168.200.x. I can ping (or remotely connect to) every other ...
- 119
1
vote
0
answers
2k
views
Calculating the round trip time for ping packets
I am currently practicing for my network & communications course and have managed to confuse myself slightly on a question about packet round trip time. I have made a start but am now a bit stuck!
...
- 119
0
votes
2
answers
3k
views
While using Nmap and sweep the network with a ping
I'm studying up on using Nmap, and there is a command that sweeps the network with a simple Ping scan to determine which hosts are online.
The command is this:
1 [ignore_this]# nmap -sP 10.0.0.0/24
...
- 101
1
vote
1
answer
2k
views
Can't connect to server, others can
I've set up a Webserver(port 80) and a Minecraft server. Me and my friends play on this server regularly and haven't had any problems connecting before this.
Now, one friend complains about not being ...
- 23
0
votes
3
answers
4k
views
Cannot connect to computers on same subnet
Newbie question. I have a motorola surfboard router and two computers running windows 7 64bit Pro. Both can connect to the internet fine, but they cannot see each other. I need to remote desktop from ...
- 101
4
votes
4
answers
8k
views
Are network and broadcast IPs supposed to respond?
I have a /24 network that is subnetted into a bunch of small chunks.
I have recently gone into each router on the network (mostly Cisco) in order to document how this network had been divided. Now ...
- 1,618