Questions tagged [default-gateway]
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21 questions
3
votes
4
answers
266
views
Why does a (default) gateway use a layer 3 address?
It seems to me that it would make a lot more sense to specify a default gateway with a layer 2 address.
As I understand it, the default gateway is only used to find which MAC address should be filled ...
- 139
0
votes
1
answer
86
views
Packet loss between Host B and Router, but no packet loss between Host B and Host A or Host A and Router [closed]
I'm troubleshooting a packet loss issue with my IT department and am all out of ideas. I currently have the layer 2 folks blaming the layer 3 folks and vice versa - I'm just the guy caught in the ...
- 333
1
vote
1
answer
126
views
access to the switch from another network does not work
Eve ng development environment.
There is no access from another subnet to the switch.
The switch has an int vlan 100 with an ip address, trunk port and ip default-gateway 192.168.100.1.
The router has ...
1
vote
0
answers
63
views
Why I can't have 2 default gateway in /etc/network/interface [closed]
My Debian server has 2 NICs with 2 VLANs:
Nic1 = vlan10 = 192.168.10.5 (static)
Nic2 = vlan20 = 192.168.20.5 (static)
/etc/network/interface:
auto ens192
iface ens192 inet static
address 192.168....
- 111
0
votes
2
answers
145
views
Multiple computers disconnect from the network randomly at mostly random times; only fixed by renewing IP
I have recently been made the IT administrator in our organization. We have in-house servers; DNS, Windows Authentication, etc, and we have 2 switches with around 25 computers and devices connected to ...
0
votes
1
answer
49
views
If I am connected with two network then which network will be used for communication? [closed]
First I connect with a WIFI (to get internet connectivity) and then I connect with my company's network using Pulse Secure. When I do ipconfig then I get an output something like below:
C:\Users\...
- 165
0
votes
2
answers
129
views
Hop 1 of the traceroute to Internet is not the gateway [closed]
I'm assigned to a public IP address from my organization. Here is my default route:
IP: 45.150.164.x
Gateway: 45.150.164.1
netmask: 255.255.255.0
And here is the result of traceroute 8.8.8.8 from my ...
- 9
0
votes
3
answers
303
views
One layer 2 switch in the middle of router network
In general,
The connection should be like
PC---SW---ROUTER---Many ISP router---Router---SW---PC
so the packet will be from
layer 2 ---layer 3---layer 2
What if I put one layer 2 switch in the network
...
- 163
0
votes
2
answers
632
views
Is it possible to assign a default gateway per routing interface on a layer 3 switch
Here is the scenario. Currently there is a flat layer 2 network with a single /24 subnet. The intent is to segment that /24 using a layer 3 switch. On the /24 network there exists clients with ...
- 103
1
vote
4
answers
4k
views
Communication between different VLANs
In my previous understanding, there is no way to communicate between two VLANs using only layer 2.
After all, this is the purpose of having VLAN.
I found a forum that claims the following.
1.VLANs can ...
- 163
0
votes
1
answer
68
views
WAP configuration consistency
Simple question, are WAPs always configured from the default gateway's web interface? Do you ever have to go somewhere else?
0
votes
0
answers
27
views
How does a host use its default gateway? [duplicate]
Each host has its own default gateway and uses that to send packets outside of its network. But in each packet, there is only 1 header field for the destination IP address. So, how can that host send ...
0
votes
1
answer
935
views
How can I test if the subnet mask and default gateway are set for a device? [closed]
I understand how subnet masks work mechanically and how to convert from the mask to the CIDR bits notation, and I understand the concept of a default gateway. What I don't understand is what setting ...
- 101
-1
votes
1
answer
91
views
Apply Interface Default Gateway to Entire Device
I feel there may be a very simple term for what I trying to do, but I'm not sure what it is, and it is difficult to search for it in concise words.
The shortest description I can come up with: "I ...
- 1
0
votes
2
answers
1k
views
How does one determine what the default gateway should be in a multi-router setup?
Trying to set up a network with multiple routers, very similar to what's depicted in this diagram from the FreeBSD handbook:
In particular, regarding this specific diagram, what should the default ...
