dhcp | DHCPv4 packet library , client and server | Runtime Evironment library
kandi X-RAY | dhcp Summary
kandi X-RAY | dhcp Summary
DHCPv4 and DHCPv6 decoding/encoding library with client and server code, written in Go.
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dhcp Key Features
dhcp Examples and Code Snippets
def print_packet(packet):
# initialize these variables to None at first
target_mac, requested_ip, hostname, vendor_id = [None] * 4
# get the MAC address of the requester
if packet.haslayer(Ether):
target_mac = packet.getlayer(
def print_packet(packet):
target_mac, requested_ip, hostname, vendor_id = [None] * 4
if packet.haslayer(Ether):
target_mac = packet.getlayer(Ether).src
# get the DHCP options
dhcp_options = packet[DHCP].options
for item in
def listen_dhcp():
# Make sure it is DHCP with the filter options
sniff(prn=print_packet, filter='udp and (port 67 or port 68)')
Community Discussions
Trending Discussions on dhcp
QUESTION
I have imx7d-pico with Carrier board. This tiny computer was used a lot for Android Things. PDF (datasheet) easily found.
I stay (during the last two weeks) trying this tutorial: https://github.com/TechNexion/freertos-tn/tree/freertos_1.0.1_imx7d
...ANSWER
Answered 2022-Apr-01 at 19:14I solved with two changes in device-tree files:
in imx7d.dtsi
I put status = "okay";
in rpmsg: rpmsg{
in imx7d-pico-pi-qca-m4.dts
I put:
reserved-memory {
rpmsg_vrings: vrings0@0x8ff00000 {
reg = <0x8fff0000 0x10000>;
no-map;
};
};
&
&rpmsg{
memory-region = <&rpmsg_vrings>;
vdev-nums = <1>;
reg = <0x9fff0000 0x10000>;
status = "okay";
};
QUESTION
I have a bunch of CSV files containing information about DHCP scopes (100+ files, one for each server). I wish to merge the data from all into a new table. There are ways to merge the CSVs but that's not good enough, because one the most important piece of information is not included inside the individual CSV files...that of the server name. The server name is coming from the filename itself. Hence the approach to build a new table.
My issue is that the properties for SubnetMask, StartRange, EndRange, ScopeID and State are being output in the same "cell". I managed to do it for the ScopeName (i.e. managed to get one ScopeName per line), but not sure how to approach the rest.
...ANSWER
Answered 2022-Feb-07 at 14:25You can use a calculated property with Select-Object
to add the file's Name
as a new column of your Csv:
QUESTION
with a powershell script I'm exporting a list of all the DHCP Servers that exists and the scopes on the Server. The results has to be parsed in a second script in python. (Thats a system for our monitoring).
Here's the script:
...ANSWER
Answered 2022-Jan-25 at 10:29The DateTime.ToString()
method treats the forward slash and the colon as format specifiers. This means that they can be replaced by locale-specific characters.
From the documentation:
The "d", "f", "F", "g", "h", "H", "K", "m", "M", "s", "t", "y", "z", ":", or "/" characters in a format string are interpreted as custom format specifiers rather than as literal characters. To prevent a character from being interpreted as a format specifier, you can precede it with a backslash (), which is the escape character.
To enforce a fixed format just escape these characters by backslashes:
QUESTION
I am trying to establish WiFi connection on my Avenger96 (based on 96Boards STM32MP157) board. Goal is to automatically setup WiFi connection during boot time so that there is no need to manually configure WiFi after every boot.
Steps I have done:
Added
...network
section in wpa_supplicant.conf-sane as shown below:poky/meta/recipes-connectivity/wpa-supplicant/wpa-supplicant
:
ANSWER
Answered 2022-Jan-05 at 04:09The error unknown global field 'passphrase must be 8..63 characters'
is confusing.
If the passphrase is correct, then I think some configuration file consists of exactly the same string passphrase must be 8..63 characters
instead of some useful value and hence the error unknown global field 'passphrase must be 8..63 characters
.
You can search and validate the same using grep -rn "characters" /etc/
and remove the string from the configuration file that contains passphrase must be 8..63 characters
.
QUESTION
I am trying to loop over 2 different JSON array and filter only if the 2 key values are same.
I am comparing cidr from po-orig.json/po file and subnet from pocooling json. If the key values are same in both file, then print the pertaining details of pocooling json file as a list.
...ANSWER
Answered 2021-Dec-28 at 19:45Given the list
QUESTION
Problem: I want 2 IPs so that I can run two servers on my LAN. Apparently my ISP doesn't allow static IPs and I need to use DHCP to obtain my second IP.
What I have learned so far:
- In order to get two distinct IP addresses with DHCP, you need two different MACs (or client IDs?)
- You can't have two MACs on a single interface, so you need to put your internet facing interface into promiscuous mode and somehow get that traffic to a virtual interface with its own MAC.
- Once the traffic gets to my virtual interface, I can just assign it to WAN firewall zone (OpenWRT thingie, not so important) for ez profit.
But here is the hard part: In order to separate my LAN from WAN there is by default two different VLANs configured in OpenWRT. LAN VLAN is eth0.1 and WAN VLAN is eth 0.2.
The final question is: How do I configure my system? Do I put eth0 in promisc or eth0.2 or both? Or is my premise completely wrong? How do I create the said virtual interface? Below is my ip addr extract.
...ANSWER
Answered 2021-Dec-02 at 20:40QUESTION
I had a private repo for 6 months that I worked on. Today I finally made it public after submitting a paper. Is it possible to make the activity (those green square) visible? I tried clicking on contribution setting
and got the message Visitors will now see your public and anonymized private contributions
, but the activity still doesn't show.
Update 1:
I noticed that only changes I did on GitHub (the website rather than pushing code from my machine) were recorded. That is, only the readme
file shows as I often updated it on the website.
Update 2:
I ran git --no-pager log -s --format="%ae"
to see which emails were used for the commits and got the following:
Some emails are the primary
email under GitHub, some are of the form 43555163+Penguin@users.noreply.github.com
, some are Penguin@Penguin-MacBook-Pro.local
, some are Penguin@econ2-204-32-dhcp.int.university_name.edu
.
Also, as I mentioned in one of the comments below, if I go to my repo and specifically look at commits I can see something like: Penguin authored and Penguin committed on May 27 1 parent 1d71ac3 commit cb95c2870de67383ee653849b4c7b40a062f5fd3
. But this does not show on my activity.
Lastly, some comments mentioned creating a new repo on GitHub and pushing my previous commits (after filtering the emails somehow which I didn't quite understand). However, I already have several Stargazers
on this repo and would like to keep them. By making a new repo I believe these will disappear.
Update 3:
I used git filter-repo
to change all the emails to my primary email and now all my previous commits emails appear to be my primary email when I call git --no-pager log -s --format="%ae"
. However, I still don't see the activity showing. For example, if I go to my repo I can see that one of the commits says Penguin authored and Penguin committed on Apr 8
, but this doesn't show in the activity.
ANSWER
Answered 2021-Oct-11 at 22:43Contributions should still be shown in that case. Here are some of the reasons your contributions might not be being shown:
GitHub isn't aware of the email address you used in your commit messages
The commit wasn't made in the default or gh-pages branch
The repo is a forked repo, not a standalone repo
GitHub also mentions that it will not show commits that were made less than 24 hours ago, so it seems like they have some sort of caching mechanism going on with their contribution graph. It may help to wait 24 hours since you made the repo public, to ensure that cache has a chance to roll over.
QUESTION
I am trying to deploy VM via terraform on KVM.
I want my VM to get an IP in the Host network, my host is 10.100.86.180. so I am using Bridge (which works well when I deploy VM manually)
but with terraform- it can't get an IP after "terraform apply",
what am I doing wrong?
here is my main.tf :
...ANSWER
Answered 2021-Nov-13 at 11:30how can I install the Qemu guest agent on the domain?
QUESTION
I have a cluster of 4 raspberry pi 4 model b, on which Docker and Kubernetes are installed. The versions of these programs are the same and are as follows:
Docker:
...ANSWER
Answered 2021-Nov-10 at 16:28Posting comment as the community wiki answer for better visibility:
Reinstalling both Kubernetes and Docker solves the issue
QUESTION
I'm sure this one is an easy fix. I'm working with Terraform in AWS, deploying a VPC, Subnets, a Security Group (this looks like the issue) along with a single EC2 instance.
SymptomsWhen deploying using terraform apply
the first time everything creates as expected, however, immediately following up with another terraform apply
or terraform plan
shows that there are changes to the EC2 instance that required a redeploy of the EC2 instances. There are no changes to the underlying Terraform Code.
Upon applying again the EC2 instance is redeployed as reported by a terraform plan
.
I would like this to not re-deploy every EC2 instance when running additional terraform apply
commands. I'm not sure if it's possible, but I'm sure if it is it's something easy I'm just missing in the documentation.
ANSWER
Answered 2021-Oct-22 at 00:28This probably happens because your security groups are incorrect.
So it should be:
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