All Questions
10 questions
2
votes
2
answers
4k
views
General: What is a dynamic gateway, how does it work, where is it used?
I saw this option in my OPNsense gateway configuration, and was hoping someone could shed light on what it is, exactly:
Dynamic gateway policy: [YES/NO]
This interface does not require an ...
- 121
0
votes
1
answer
131
views
Discovering public ip from wifi signals, shodan, parent router NAT [closed]
MAC addresses innately do not change right?
and you're able to scan for broadcasting APs where you'll be able to detect different nearby mac addresses of each AP..
Public IP addresses change, ...
user48462
0
votes
4
answers
28k
views
What is the difference between DHCP and NAT?
Both seem the same to me. I don't see how DHCP is different from Dynamic NAT. Can anyone please help?
1
vote
1
answer
2k
views
Should DHCP relay and destination NAT work together?
Topology:
[PC1]---lan----[RT1 / DHCP relay / DNAT]---wan---[DHCP server]
[PC2]---------/ /
[PC3]----------/
DHCP relay makes the a DHCP broadcast into a unicast and
Forwards it to the DHCP server ...
1
vote
1
answer
110
views
Why is my Cisco MMS891 assigning IP addresses with static NAT entries to devices via DHCP?
I have a Cisco MMS891 ISR as my edge router with several static NAT entries, which are set up to NAT my LAN IP addresses (which are statically assigned to printers) to access an externally hosted ...
- 13
1
vote
1
answer
1k
views
Simple networking behind a router without NAT and DHCP
I am novice to network engineering. I have two questions :
Is it possible to assign a fixed public Ip address to a pc directly connected to a router without a dhcp and a NAT and having access to ...
- 11
2
votes
1
answer
1k
views
PPPoE setup Cisco 881W
I've been trying to fix this myself but I'm afraid I can't.
I've tried basically every tutorial already, but it still doesn't work.
Can someone here write a tutorial on how to get PPPoE working with ...
user39855
1
vote
2
answers
498
views
VLAN with PAT cannot get past router
I'd like to start off saying that I'm out of my scope here, but I could really use some help. Our ISP gave us the following to connect to our business class internet services.
Network: 97.105.48.72
...
- 13
4
votes
1
answer
951
views
The role of DHCP and NAT in assigning IP addresses
I'm a little confused about the meaning of DHCP and NAT in Internet.
I know NAT is used to translate local IP address and ports to a public IP and port. So your local network has IP looking like 192....
- 143
1
vote
1
answer
110
views
Addressing guest hosts
Suppose one wishes to provide guests with access to the Internet (and only the Internet) over one's network. For obvious reasons, switch ports will be assigned to a private VLAN created specifically ...
- 475