All Questions

Filter by
Sorted by
Tagged with
0 votes
0 answers
7 views

How to prevent a remote WireGuard server establishing new connections to my local computers? [closed]

Goals: I want to allow all my local traffic to go through a WireGuard tunnel, so I set my allowed IPs to 0.0.0.0/0. I want to prevent my VPN provider's server from initiating any connections to my ...
Async's user avatar
  • 1
0 votes
0 answers
8 views

Why some domains like google.com allow ping response but other does not? [closed]

I have observed that many network administrators block ping requests on some servers or domains to prevent potential attacks. However, domains like google.com typically do not block ping requests. How ...
Milan's user avatar
  • 1
0 votes
0 answers
7 views

How do I connect a TP Link Router to Unifi Express [closed]

I am very new to networking. I got a Unifi Express which I have configured and is working. I am able to connect all the computers and IoT devices in my house. However, the range is limited and I would ...
forrest's user avatar
  • 101
0 votes
0 answers
11 views

Blocking SSH Connection Using Scheduled Task [closed]

I have a Python script to block SSH connection. When I keep running the program in CMD console, it successfully blocks port 22. But when I set the script as a scheduled task (run as administrator in ...
Saga Harby's user avatar
0 votes
1 answer
25 views

juniper-security answer

[edit firewall filter test ] term 1 { from { source-address { 10.0.0.0/8; } } then { log; next term; } } term 2 { then { reject ; } } How is traffic, sourced ...
Marghli Dhikra's user avatar
0 votes
0 answers
11 views

Where is 1.1.1.1 really located? [duplicate]

I'm courious how this works: When ping-ing 1.1.1.1 I get results of roundabout 15 ms, where 1.1.1.1 is located in California, according to iplocation.net. When ping-ing a random ISP from California I ...
Justin Time's user avatar
0 votes
0 answers
10 views

answer code block juniper table routage [duplicate]

want some one expert juniper help me for this question user@router> show route 192.168.100.2 inet.O: 15 destinations, 17 routes (15 active, 0 holddown, 0 hidden) Limit/Threshold: 1048576/1048576 ...
Marghli Dhikra's user avatar
0 votes
0 answers
16 views

code block juniper need to be answer [closed]

i want some one expert juniper help me for this question user@router> show route 192.168.100.2 inet.O: 15 destinations, 17 routes (15 active, 0 holddown, 0 hidden) Limit/Threshold: 1048576/1048576 ...
Marghli Dhikra's user avatar
0 votes
0 answers
10 views

Cisco Aironet 2800i Mobility-Express missing option for conversion

I hope this is an easy one. I'm scractching my head as there are 10-20 articles on how to convert from a capwap firmware to mobilty express for 2800/3800 all using the command: ap-type mobilty-express ...
techjockeynet's user avatar
0 votes
0 answers
15 views

Windows 10 Host pc doesnt load after logon sometimes! [closed]

We are using Windows 2019 Server in our office, the host pc uses Windows 10 mostly. Sometimes after the login credentials are entered, the OS doesnt load completely, it keeps trying to load or just a ...
Tanvir's user avatar
  • 101
-1 votes
0 answers
18 views

Hotel Networking Guide [closed]

I need to set up a new network for hotel, The idea is to provide internet access for all customers in all floors. The hotel has 7 floors, 10 rooms in every floor. Please I need step by step guide on ...
Memo11 Shal's user avatar
0 votes
2 answers
21 views

Transitioning to Stacked Switches

We're in the process of installing multiple Dell MX7000 Chassis that uplink at 100Gb to a pair of Dell S5232F-ON Switches. We use VLT to interlink the S5232 Switches. Above the S5232 Switches are ...
Steve Crook's user avatar
0 votes
0 answers
9 views

Connect managed switch to main orouter [closed]

I have home router and i want to create multiple vlans on the switch(liksys lgs310) does when i a make static route on the switch all the vlans will have accesss to it? And the port that is connected ...
banoosh's user avatar
  • 11
0 votes
1 answer
25 views

Baffled: No continuity but excellent speed on six new Cat6 runs

For my first post on Stack Exchange I have a situation that seems to be impossible: fast internet on cables that show no continuity. I just installed 16 Cat6 ethernet runs in an office. All of them ...
WolfeWires's user avatar
0 votes
0 answers
16 views

when was Rapid PVST+ introduced [closed]

I googled this and no answer. What year was it introduced? https://www.ciscopress.com/articles/article.asp?p=2832407&seqNum=5
user242114's user avatar
0 votes
0 answers
11 views

Ubiquiti UDMP Wireguard server + IPSec site-to-site [closed]

Our UDMP has a few VLANs : 10.92.10.0/24 , 10.92.41.0/24, 10.92.42.0/24 We have added a Wireguard server, which uses 192.168.4.0/24, and works wonderfully (clients can connect and access resources on ...
Nick Andriopoulos's user avatar
0 votes
0 answers
26 views

Dell VLT (MLAG) and Root Bridge Priority

I'm not a network guy... We'll be deploying some Dell switches configured for VLT soon. From what I understand, this is just Dell's version of MLAG. Correct me if I'm wrong, but I'm pretty sure that I ...
DOSed_And_Confused's user avatar
0 votes
0 answers
14 views

iputils ping: -N (IPv6 node info query): purpose, usage, examples

What is the purpose of IPv6 node info query and how is used in ping-N ...?
pevik's user avatar
  • 137
0 votes
1 answer
37 views

should I go multiple switch or one big switch

So I have a 2.5Gbps NIC on my server PC, but my main questions are: note: I'm using consumer grade switches will a 2.5Gbps switch split the load with two 1 Gbps switch? will the 1Gbps be better on ...
randomaire's user avatar
0 votes
1 answer
18 views

ASDM 7.20 doesn't work with script that works with ASDM 7.13

I have a script I wrote for Linux that enables me to use ASDM with Oracle Java 8. One version I know for sure works is 7.13.1 on an ASA 5516, but when I try the same script with 7.20.1 on an FPR 2110 ...
elyograg's user avatar
  • 101
0 votes
1 answer
33 views

Hosts behind PAT not able to communicate with each other

Suppose I have the following network layout, with two routers connected directly, with Port Address Translation (PAT) setup on both of them. The first router labelled Router PAT 1 have been configured ...
Jarrett's user avatar
  • 101
1 vote
2 answers
63 views

STP related question

Hi this is a portion of my current set up.. All vlan ports are untagged. Everything works and communicates fine until a connection is made between the 2 switches it takes down the network and the pc ...
Blake's user avatar
  • 13
0 votes
1 answer
18 views

9410r Supervisor engines aren't operating redundantly

We have a newly installed 9410R that has a dual supervisor and when powering on the switch it boots up normally and when the secondary supervisor powers on and takes over as the primary and shuts off ...
R3ne's user avatar
  • 41
0 votes
0 answers
9 views

When the router shows the same SINR parameter at two different times, but the internet quality is weak , which router parameter should I check? [closed]

When in two different times, the router shows the same SINR parameter, but the internet quality is weaker in one of these two times, so that the browser cannot load the sites, which parameter should I ...
SEPEHR's user avatar
  • 1
4 votes
1 answer
70 views

Why does `show rsvp neighbor` show every neighbour twice?

When I configure MPLS and RSVP on various Juniper devices, label-switched paths are successfully setup and seem to generally work, but the output of show rsvp neighbor always show each neighborship ...
miho's user avatar
  • 234
1 vote
0 answers
35 views

Trouble configuring BGP policy 'next-hop self' in JunOS

Networking Community, Problem: I am struggling with applying the correct BGP “next-hop self” policies in JunOS. Background: I have been brushing up setting BGP policies, e.g. ‘direct’, ‘next-hop self’,...
dynamicruss's user avatar
1 vote
1 answer
93 views

IEEE 802.3 Clause 28

Where in clause 28 of the IEEE 802.3 standard does it define what should happen when auto-negotiation fails? I thought this would be defined but can't find reference to it in the standard? Thanks.
Lunch's user avatar
  • 13
0 votes
1 answer
41 views

avoid announcing longer prefixes to the Internet without compromising on reliability

Let's say, that there is an enterprise network with four IP transit providers: As seen above, two of those IP transit providers connect to routers in one data center and other two connect to routers ...
Martin's user avatar
  • 1,229
1 vote
1 answer
32 views

Using a switch and a pc to test the ports of another switch that resides in a device I wish to test

I have a PC and a switch, lets call it the Tester. There is a device I wish to test which has an internal computer and a network switch. Let's call it the Device. The Device has 16 network ports that ...
George Palickar's user avatar
0 votes
1 answer
32 views

Reset and Login Issues with C9500-48Y4C Switch

I have a Cisco C9500-48Y4C Switch, but I forgot the login credentials while configuring it, which has resulted in me being unable to access the Switch. Could you please guide me on how to reset this ...
berniecheniitt 's user avatar
1 vote
1 answer
33 views

Pinging packets greater than 1500 between two proper configured machines on proper configured networks, always possible?

Given the following 3 subnet topology, I will give names to them to simplify it, I am using planets, I see it as a perfect geographic enumeration. Sites Office on Earth 172.1.x FiOS, default MTU ...
Sam Washington's user avatar
-1 votes
1 answer
24 views

VLSM Error on Cisco Distribution Switch [duplicate]

I have created 3 VLANS which should not overlap but somehow are giving me overlapping problems. Any reasons why? Is the switch buggy? VLAN 10 10.1.1.0/28 255.255.255.240 Usable:10.1.1.0 to 10.1.1.15 ...
Xavier Lim's user avatar
0 votes
1 answer
21 views

cisco N9K-C93180LC-EX port configuration

i have a N9K-C93180LC-EX and refering to the cisco website it is showing that this device support " Nexus 9K Fixed with up to 32p 40/50G QSFP+ or up to 18p 100G QSFP28" i want to know can i ...
Blackmetal's user avatar
0 votes
1 answer
17 views

How can a router that can connect to both a TD-LTE network and a mobile phone network determine which type of equipment to connect to?

From what I understand so far, the equipment installed on the BTS that TD-LTE routers receive internet from is different from the equipment that mobile phones receive internet from. I want to know how ...
SEPEHR's user avatar
  • 1
0 votes
1 answer
22 views

Is there a null EtherType for packets that are only going to be handled at Layer 2?

I'm sending data into a VM via a Virtio interface, and for whatever reason I want to do Layer 2 routing with the interfaces in promiscuous mode. I know what to use as the source and destination ...
Ken Y-N's user avatar
  • 101
1 vote
2 answers
88 views

point-to-point or broadcast network : concrete case

What concrete rule or layer of the OSI model should be used to decide whether a network is a point-to-point network or a broadcast network? A general definition (*) seems clear, but in practice it ...
PanCho's user avatar
  • 53
0 votes
1 answer
38 views

iperf3 why is transfered data same but different bandwith

I want to test a device for its throughput. Therefore, I am using iperf3. After sending data for 10 seconds, my server reports receiving the same amount of data but at a lower speed than the client. ...
Jakob's user avatar
  • 1
-1 votes
1 answer
42 views

Why is there overlap with two interfaces?

I am trying to configure router0, I assigned ip 192.168.26.1 to gigabitEthernet 0/0 and I tried to assign this ip: 192.168.26.33 to interface serial 0/0/0 but this error appears: 192.168.26.0 overlaps ...
mohdh34m's user avatar
0 votes
1 answer
35 views

Network configuration for isolated subnetwork with Internet Access

I have been tasked with helping set up a subnetwork for my office, and due to limited experience with networking, wanted to get suggestions / recommendations for the best way to do this based on our ...
Bryan Matthews's user avatar
0 votes
1 answer
38 views

Lot of packet retransmission with bonding (802.3ad) on switch between two servers

I am currently working on setting up a 2 node-storages network with Mellanox 2x 10Gbit cards, connected through one mikrotik switch CRS326-24S+2Q+RM. I have configured bonding in mode 802.3ad with ...
enp4s0f0np0's user avatar
0 votes
0 answers
31 views

Zabbix with Fortimanager

I am seeking assistance with configuring Zabbix to monitor FortiGates that are managed by FortiManager. Despite configuring FortiManager with SNMP and adding a host for it in Zabbix, I am not seeing ...
Hanaa Alaoui Belghiti's user avatar
0 votes
1 answer
54 views

Problem with Configuring Selective DNAT for HTTP Traffic on Fortigate Firewall

I'm currently in the process of setting up a new Fortigate Firewall and have run into an issue while configuring DNAT. From what I understand, this is done through Virtual IPs in Fortigate. My goal is ...
Mischa-H's user avatar
0 votes
1 answer
113 views

SOLVED - Quanta LB6M Trunk and Vlan

I have 2 Quanta LB6M and a Juniper EX4200 and need to create vlan and trunk For vlan interface i have this: interface 0/27 vlan pvid 31 vlan participation exclude 1 vlan participation include 31 exit ...
Ertu Kocak's user avatar
0 votes
1 answer
33 views

conntrack expectation on directed broadcast [closed]

I'm testing out a setup that I would reproduce in a production environment if I get it work. What I have: A wireless network 192.168.88.0/24 An IoT device X in the wireless network A Teltonika router ...
path's user avatar
  • 3
-1 votes
0 answers
15 views

What does this IP address represent: 172.10.85.60/22? [duplicate]

In questions about classless interdomain routing you are given an IP address like maybe 172.10.85.60/22 and you are asked to calculate the network ID. It’s clear to me that the subnet mask for 172.10....
alienCred's user avatar
0 votes
0 answers
50 views

Cisco ASA OCSP configuration

Can anyone help me understand how to configure OCSP on my Cisco ASA? I have AnyConnect Over IKEv2 to ASA with AAA and Certificate Authentication. As RootCA server I have OpenSSL. Now I want to ...
John's user avatar
  • 812
0 votes
1 answer
51 views

How is network virtualization useful?

I am trying to understand various virtualization techniques, and I am struggling to wrap my head around the concept of Network Virtualization. I don't have a networking background(mostly programming). ...
Max's user avatar
  • 139
0 votes
0 answers
14 views

GSM and LTE-M connection with SIM7070G for MQTT data transmission

I am working on a tracker project using the SIM7070G modem from SIMCOM. The objective is to maximize the connection by working with both LTE-M and GSM, aiming to send location data via MQTT. I have ...
Santiago Mercante's user avatar
0 votes
1 answer
26 views

iperf3 download and upload test simultaniously giving abnormal results

I have a server (Lenovo using Ubuntu) and 2 clients (both Mac). The server is connected with a Wi-Fi router over Eth interface. The two clients are connected with Wi-Fi router over WLAN interface. All ...
SAM's user avatar
  • 3
0 votes
2 answers
37 views

Forward traffic from one WAN port to the other WAN port on the same triple WAN port router

So here's the situation that I have at my workplace (local municipality): I have received from my ISP a static IP address with a provided gateway, which all works normally when I input it into my ...
NetworkAmateurEnthusiast33's user avatar

15 30 50 per page
1
2 3 4 5
333