5
votes
3answers
186 views

Detect IP Conflicts on Network

I have a Wireless WAN network that I am managing devices on. We recently had an IP conflict that took us over 10 months to find (we had no idea there was even a conflict until we were pinging a ...
0
votes
1answer
173 views

How to force to send data to router (on L3) instead sending directly? (on L2)

I have a public IP-addr on one machine: a.b.c.156/32 The GW is a.b.c.133 (which is in the /27 network with its gateway a.b.c.129) I statically added an arp route: sudo arp -an a.b.c.133 at ...
4
votes
1answer
930 views

Does the order of entries in the routing table matter?

Does the routing order matter: > route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 123.x.x.151 0.0.0.0 255.255.255.255 UH ...
3
votes
4answers
3k views

Why do we need IP addresses to communicate within the local network segment?

Because MAC addresses are only usable across the local network segment, we use IP addresses to communicate with other segments via routers. Meanwhile, for local targets, ARP is used to translate IPs ...
1
vote
1answer
163 views

Two network routers on the same IP

I have a network with several routers serving as accesspoint connected trough a switch to a central DLS/router/AP. One of the slave router have been somehow partially reset (SSID changed to 'default' ...
1
vote
3answers
11k views

What is the I.P. address 224.0.0.22 for? [duplicate]

Possible Duplicate: What are the purposes of the addresses in this ARP table? I notice that ANY computer that I go to, if I do a arp -a command from a command line, I receive a reply back ...