0
votes
0answers
3 views

Output packet drops on Cisco 3850 switches

i am getting output drops on switch actually i have ethercannel bundleing 4 ports and those are connecting to our hyperV server. We have schedule mirror images to one of our another server everyday ...
0
votes
0answers
18 views

DHCP lease times [on hold]

I have and IP phone via and Ethernet cable and after an hour in call or even just on the internet I'm cut out completely, so the lease time is set to 8 hours but the max client lead time is set yo 1, ...
0
votes
0answers
10 views

OpenWRT - Port forwarding doesn't work while OpenVPN client is running [on hold]

I'm trying to do SSH port forwarding from my WAN interface to 10.0.0.2 (LAN) but I'm facing an issue whenever the OpenVPN client is running on the router then I cannot ping my WAN IP or connect to my ...
2
votes
1answer
41 views

PoE losses: Cat5e vs Cat6

Just a simple physics question: per this link, Cat5e twist rate is lower than that of Cat6, and Cat6 cables are (on average) thinner. A higher twist rate means a longer copper wire per length of cable....
0
votes
0answers
11 views

How do I access a network drive that won't upgrade past SMBv1 w/ devices that have been Updated to SMBv2 & v3? [on hold]

I am getting Network drive error code 0x80070035 because the network drive is no longer being updated or supported by the manufacturer. I still want to use the drive since its a good drive, but I don'...
0
votes
0answers
14 views

How do I set up a shielded cat6 cable? [on hold]

I am extending a home computer network about 120 feet to a workshop. The 110v, three phase power will also be run as well. There will be about a 4” separation going through the foundation. Separate ...
0
votes
0answers
10 views

Cisco IP phones [on hold]

There are 10 Floors in building A, each all having meeting rooms with Cisco IP phones, I’ve set them all to be configured with the default IP and all the phones work on every floor except floor 5, so ...
0
votes
0answers
10 views

Is there a SDN bachelor project that an IT system integrator can sponsor? [on hold]

can an IT system integrator company help a student in a bachelor project and at the same time the company benefit from it, if possible, what topics can the bachelor project be about?
0
votes
0answers
25 views

ZyWALL 300 Port Forward Through Modem+Router Not Working

I have a Comcast business class router with a ZyWall 300 behind it. The network is in transition, but eventually the router in the modem will be turned off, however, we can't quite do that yet. The ...
0
votes
0answers
20 views

Many routers behind main router cause slow internet? [on hold]

I don't know if this is the correct place to ask, but here i go. We live with 10 people in 10 rooms in a 3 floor student house. Every room has an ethernet connection. When I do a speedtest I get an ...
0
votes
0answers
19 views

Domain Name not Pointing at Server [on hold]

I own the name Gitship.com. I have configured it with my DigitalOcean droplet and set up the DNS records. However, when I navigate to the site, it returns the following domain: http://wordpress-209295-...
0
votes
0answers
14 views

Cisco Wifi phones unregistration from CUCME

I have: two Cisco Wifi access points AIR-AP1832I-E-K9 (AP1 and AP2) and two Cisco wireless phones CP-8821 (P1 and P2). Phone P1 P1 usually connects to AP1 and never connects to AP2 except if it is ...
0
votes
0answers
54 views

Intra-VLAN communication between wired and wireless devices

I am trying to get a very simple VLAN with WIFI network experiment up. I have been searching online (including on this site) for sometime hoping to find an experiment similar to mine. However, most ...
0
votes
1answer
30 views

Is it possible to back up network devices configs on a RADIUS server (automatically or manual)

My question is about back up on RADIUS server. Is it possible to back up network devices configs on a RADIUS server (automatically or manual)
1
vote
1answer
20 views

Are there any advantage of using multiple threads for a file upload, for an internet connected node? [on hold]

I got asked in an intervew recently to design a file upload feature. After initial discussion, The interviewer asked if I can design for multiple threads. My thought was, As the network bandwidth is ...
0
votes
0answers
22 views

VPN server setup for technical assistant [on hold]

i am try to connenct to an office to provide them technical assistant, and this connection will be on daily basis from 9 to 5... so what type of VPN should i setup and what are the steps
1
vote
2answers
348 views

What is a “rotary dialer” in the context of dialup connections?

Some friends and I have discussed setting up a PPP dialup Internet gateway (solely for private use) for fun/nostalgia purposes. I've been reading through the Linux-PPP Howto at TLDP (old, I know, but ...
-2
votes
0answers
10 views

Unsing IOS CLI with switch MAC address Table [on hold]

On ethernet networks with few computers, data is delivered to devices by their mac addresses, what are the problems on a large network?
0
votes
1answer
46 views

Vlan cannot get DHCP address from using Router and L3 Switch

Simplified diagram of a larger network, but I'm having trouble getting DHCP from the router. Going into simulation mode in packet tracer, I'm seeing an error on the layer 3 switch saying "There is no ...
0
votes
0answers
7 views

Archer C3200 not routing between LAN ports [on hold]

I am wondering if anyone has a solution for this issue. I am using a TP-LINK Archer C3200 WiFi router as an Access Point, like this: Internet-------wan:mainrouter:lan-------lan:Archer_C3200 ))))) (((...
0
votes
0answers
9 views

What specs required for my devices to reach 100Mbps for download? [on hold]

I just upgraded my fiber internet from 50Mbps to 100Mbps for download. But then found out that most of my devices are not able to reach the full speed. I used CAT 6 Ethernet cable to connect a desktop ...
0
votes
0answers
11 views

libvirt virsh attach-interface error [on hold]

I have a VM nsyedVM1 and I have created a network in bridge mode whose configuration file is displayed in the image. When I use net-list it is getting displayed, but using brctl, I am not able to find ...
0
votes
0answers
11 views

GNS3 emulator issue

I have faced a problem after using GNS3 emulator which is downloaded on a bootcamped windows 10 to built a network topology and trying to configure it. the problem was when i have tried to config ...
-2
votes
0answers
27 views

why does CISCO IOS devices has 16 VTY lines? [on hold]

The newest CISCO IOS devices has 16 VTY lines. why does they make 16 vty line ?. i mean whats the point on having 16 vty line on devices that are controlled only by administrator.(only 5 enough).
0
votes
0answers
18 views

Would IPv6 adoption result in lower latency VoIP? [on hold]

Let's say I'm making a call with my computer or smartphone using a service like Whatsapp, Skype or FaceTime. As far as I know the voice data first goes to a server and then goes to the receiver. I ...
0
votes
2answers
25 views

Why does zxc.io goes to 127.0.0.5? [on hold]

So i was searching for an .io domain but suddenly i tried going to zxc.io and suddenly my local server shows. A trace route shows this Tracing route to zxc.io [127.0.0.5] over a maximum of 30 hops: ...
-2
votes
0answers
13 views

How can I do amp installation? [on hold]

I will create amp site. Please help me. e.g site: https://www.mehmetdem.com/wordpress-amp-kurulumu/ Please help me with amp creation...
0
votes
0answers
17 views

design - Cisco ACI and Nexus 7ks - best choice OSPF or EBGP

We have two data centers as shown in the picture. Data center 1 and data center 2. At each data center 1) Nexus 7ks have 3 VDC's configured . WAN_VDC is connected to Cisco ACI using L3 Port ...
0
votes
0answers
18 views

Regarding ARP in Networking in public cloud [on hold]

In public clouds, i read in one of the blogs that there is no support for multicast and broadcast ? But ARP traffic is broadcast. How does a host learn the MAC address of another host ?
0
votes
0answers
15 views

Interface Masters Niagara 32264 Bypass Mode issues [on hold]

We have several deployments of ClearOS 7 servers (hardware: Dell PowerEdge T30) on our clients' networks functioning as gateways. Recently I've been having a problem getting the Interface Masters ...
0
votes
0answers
12 views

How to force an AP roam (same SSID) on Windows 10 and / or Mac OS X High Sierra (10.13)? [on hold]

I'm testing out the performance of AP roams on a corporate Wi-Fi network. Is there a way I can force an AP roam on a Windows 10 or a Mac OS X High Sierra (10.13) workstation provided that both APs ...
0
votes
0answers
14 views

What happens when I hook two computers up via an Ethernet cable? [on hold]

There are a couple of steps I don't understand about what happens on a low level when I hook up two computers directly to each other, via an Ethernet cable, when neither has Internet access. It seems ...
0
votes
1answer
16 views

DHCP relay on Juniper MX

Hi I got a problem with bootp relay on a juniper router(s). I got helpers bootp interface configured with: irb.10 broadcast server 10.20.1.10 server 10.20.1.11 theres several irb ...
-1
votes
0answers
10 views

Installed 70m cat6 cable with fiber! But it did not reach the maximum speed [on hold]

Installed 70m cat6 cable with fiber! But it did not reach the maximum speed, I suppose to get 300 mp”/ but i get only 100 mega bit , i spoke with the provider company they said because of the length ...
-1
votes
0answers
14 views

How to find the last valid host IP number allowed for a network. (Linux Networking) [on hold]

I'm doing a Linux Networking homework course and I'm stuck on a question. `Your device "item2" is connected to the network. With a network ip of 192.168.1.0 and netmask of 255.255.255.0, what is the ...
44
votes
7answers
9k views

Why are IPv4 addresses running out?

I understand that we are running out (or ran out already?) of IPv4 addresses, but I don't really understand why that is. Right now, every home has its own IP address (dynamically assigned, but still, ...
0
votes
0answers
8 views

Network throttling using lighthouse [on hold]

lighthouse is a good example of web application monitoring tools. How to throttle network using lighthouse commands. Eg. lighthouse https://ehealth.kerala.gov.in/ --output=json --output-path=./...
0
votes
0answers
9 views

How do i calculate utilization of a link at a steady state [on hold]

I am trying to solve this homework question.Looks like lecturer didnt teach us about utilization so it confused me a little bit Consider a direct link with capacity 12 Kbps (12000 bits per second) ...
0
votes
0answers
8 views

Why a particular site is timing out on my chrome ? [on hold]

I have problem browsing news.ycombinator.com for almost a day. There are couple of other sites which are also erring out, while the others are working fine. What can be the reason ? Ping is ...
0
votes
1answer
22 views

Leased 1GB fibre firewall with multiple IP LANS & tenants [on hold]

I’m in desperate need of some unbiased advice and suggestions. Everyone I ask seems to want to sell me a £2-5,000 firewall appliance and £1500+ per year of support/licencing. I have a 1gb leased ...
0
votes
0answers
20 views

Creating a fast path directly to FPGA fabric [on hold]

We're developing a system based on a Xilinx Zynq 7000 FPGA/Cortex A9 ARM SoC. The device has a hard gigabit MAC which connects to the ARM core, but it is also possible to implement a MAC in the FPGA ...
0
votes
0answers
12 views

Automatic port number assignment using getaddrinfo() [on hold]

*(Socket programming)*C-code for server and client (passing messasge through UDP are given below).We can automatically assign port number to socket by (1.)not calling bind() before sendto() (2.)...
0
votes
0answers
19 views

Riverbed - Optimization/Acceleration traffic of VPN client [on hold]

I have got Riverbed Steelhead appliances between Site A and Site B. My inpath rules optimize traffic between sites. Lets say that traffic between onsite client in site A and Fileserver in Site B is ...
1
vote
1answer
28 views

Optimal network topology for diskless setup [on hold]

I need advice on which of the following options would be best, plus their pros and cons. I already have an idea but I need expert opinions and experience to validate if these are even possible and if ...
1
vote
1answer
37 views

trunk between two switches on different network

I have a trunk setup between the 172.16.64.2 and 172.16.128.2 switches, but I can't ping them. I can only ping their default gateways which is their .1 on the router. What am I doing wrong?
0
votes
3answers
45 views

Cisco Switch ports and MAC addresses

Good morning, How do I find out which port on a Cisco switch is connected to a particular MAC address? I recently took over Network Administrator position and trying to clean up and organize. Thank ...
0
votes
0answers
24 views

CNAME and A Record Confusion [on hold]

My question is about CNAME and A records. As far as I know, CNAME(Canonical Name) simply points a domain/subdomain to another domain/subdomain. For example, www.foo.com -> foo.com Also, A(...
0
votes
0answers
30 views

“MAC address change detection” in “Wireless Sensor Network”?

According to this answer : https://networkengineering.stackexchange.com/a/53058/36813 in a Cisco environment, we can use port-security to prevent hosts from changing MAC address on a port. Assume we ...
0
votes
1answer
18 views

What is fast_bandwidth_feedback RTP extension [on hold]

In my Skype for business log I found that it uses two RTP extension: extmap:1 http:\\www.webrtc.org\experiments\rtp-hdrext\abs-send-time extmap:3 http:\\skype.com\experiments\rtp-hdrext\...
0
votes
0answers
18 views

How can i measure data transfer of video file in server? [on hold]

I host my website on linux server, and host video file on my server and I using video file in other server. Is it possible to measure data transfer or bandwidth of my video file? or are there any ...

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