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Networking

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Networking is the process of connecting computing devices, peripherals and terminals together through a system that uses wiring, cabling or radio waves that enable their users to communicate, share information and interact over distances. Often associated are issues regarding operating systems, hardware and equipment, cloud and virtual networking, protocols, architecture, storage and management.

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I'm looking for utilities/methods to monitor my organization's Server 2016 network that will let me know (via email alerts) any time that these items go offline:

- Server 2016 AD domain controllers
- Wireless Access Points (WAPs)
- Network Attached Storage Device (NAS)
- SonicWALL firewall
- Primary internet service
- Fail over internet service

I am also interested in any monitoring solutions that will let me know if the Server 2016 hard drives are running low on space, etc.

What are some good website services or other software that will allow this to be done using methods such as pings or SNMP monitoring?
0
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Hello - we currently backup all of our VMs and Vcenter Server, but do not have any type of backup running for our Hosts themselves.  is this something we should be doing? or is it even possible?  If a host crashed, is it easy enough to rebuild a new ESXi host and restore our VMs to that one?  Just seeing what the experts think on this.

Thanks
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We have two sites with a Cisco 1921 router at each.  Each has a VDSL HWIC and a batch of 8 IP addresses assigned by the ISP, with the inside interface (GigabitEthernet 0/0) connected to a pfSense firewall.  We have it working with a single IP assigned to the pfSense using the config below, but would like to make use of more IP addresses.  How can we configure the Cisco 1921 to allow this?  It's not possible to configure the inside and outside interfaces on the same subnet, so we split the 8 address subnet into two.

For this config, the assigned IP range is xxx.xxx.xxx.8/29, and the IP being automatically assigned by the ISP is xxx.xxx.xxx.9/32.  The pfSense firewall is on xxx.xxx.xxx.14/30.

version 15.1
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname Router
!
boot-start-marker
boot-end-marker
!
!
enable secret 4 ######
!
no aaa new-model
!
no ipv6 cef
ip source-route
ip cef
!
!
!
!
!
multilink bundle-name authenticated
!
crypto pki token default removal timeout 0
!
!
license udi pid CISCO1921/K9 sn #####
!
!
username ##### secret 4 #####
!
!
controller VDSL 0/0/0
 operating mode vdsl2
!
!
!
!
!
interface Embedded-Service-Engine0/0
 no ip address
 shutdown
!
interface GigabitEthernet0/0
 ip address xxx.xxx.xxx.13 255.255.255.252
 duplex auto
 speed auto
!
interface GigabitEthernet0/1
 no ip address
 shutdown
 duplex auto
 speed auto
!
interface ATM0/0/0
 no ip address
 shutdown
 no atm 

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First, let me describe our network.  Our domain is running at 2008 R2 functional level.  We have four sites.  There were a total of six DC's prior to Monday.  Dc's are a mix of Server 2008 R2 and 2012.  This past Monday, I promoted a member server, running Server 2016, to be a second DC in the site which holds the PDC.  Everything seems to be working okay, except that it's not showing the full replication reports when running repadmin /showrepl.   If I run the command form the PDC, I get answers from all DC's.  if I run it from any of the other DC's, I get answers from all DC's EXCEPT the new one.  If I run it from the new DC, I get answers from the PDC only.  I don't know if this is because it's the PDC, or because they're both in the same site, but I suspect the latter.  Repadmin /showrepl shows correctly from all servers.

Also, while the new server is listed under the correct site in AD Sites and Services,  under its NTDS section, there are no other servers listed, nor does it show up under any other server's NTDS settings except for the PDC, (which, as mentioned before, is in the same site).

Your thoughts and ideas would be most appreciated.  I'm pretty sure that it's a small thing that I missed, but it's eluding me just now.
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Hi,

Just wanted some details on re-configuring(changing) ip address details on the management port on a WAE-674-K9?

THe system management port is an Ethernet port and i need to change the ip address and vlan details.

Any help would be much appreciated.

Thanks
0
I have a domaincontroller in my network that also acts as a DNS server for my clients. DNS server is given out by the DHCP server.

Of course when the DNS server is down, our clients can't connect to the internet anymore.

I tried in the past to add a second google DNS to the DHCP, but that caused more problems than solutions.

Is there a way to enable a setting so the clients only connect to the internal DNS server when needed (like logging in) and use the google DNS for internet only?
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Browstst.exe WAS the way to see the master browser ...
Now there is NO obvious way to find the answer.
Why did a bunch of computers lose the ability to see all of the others in network of file explorer?
Why did microsoft take away the support tools?

Can anybody help!
1
I got folder redirection(desktop,documents,pictures) enabled in 2011 SBS server.
I got a laptop. when i take my laptop out of network, all my files disappear from desktop, documents , pictures. I know this is how it should work.

But why my offline files are not working ? and if i take my laptop out how do i work on my files wjhich are saved in desktop. is there any other suggestions to make it work ? does vpn to my network will make my files appear again  ?

Thanks guys
0
Up until now most all of the group policies I have created have been assigned to all authenticated users.

I'm now looking for guides and references on how to create group policy exclusions within Server 2016 so certain users or computers can be excluded from certain group policies.

Please provide me with references and guides on how to do this.
0
What kinds of group policies can be assigned to computers only (and not to users) within Server 2016?
0
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So I walked into this newly built server room and see a water sprinklers hanging right on the top of the racks.

I never seen sprinklers in the server rooms before in my career.  Is it acceptable for the server rooms or absolutely no no?   Wonder other's opinions before I push back hard.  I understand this is not a data center but a server room for 100 users office floor.
Thanks in advance.
0
We have a Dell server running ESXi 6.5 connected to an iSCSI SAN using four paths on Round Robin, the SAN has dual controllers for failover but the iSCSI sessions are connecting to the failover path rather than the preferred primary path although there are no issues with the networking equipment via the preferred path.

I have attempted to make configuration changes via vCenter to get the iSCSI sessions back on to the preferred primary paths but it keeps reverting to the failover path causing an error light on our SAN (caused by error "Virtual Disk(s) Not On Preferred Path").  So in an attempt to correct this error light on our SAN, I've removed the static targets and the discovery targets on the ESXi server, removed the iSCSI sessions via SSH, then did a rescan.  The failover paths are still being reconnected after a rescan of the HBA's although those failover paths do not seem to be saved anywhere.  Why are failover paths being rediscovered

Dell PowerEdge R710 using Broadcom NetXtreme II BCM5709 for iSCSI initiators
Dell MD3220i SAN
ESXi 6.5 connected to vCenter Server 6.5
Gigabit Ethernet connections between host and SAN
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Both websites are on the same network, one is an intranet, one is an internet. We want to display some content (XML) from the Intranet site on the Internet site. Can the internet site serve content from the Intranet site if it's given permissions. Any suggestions?
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Let's say I've bought a domain called "mynicedomain.org"

Now I want to have a mail service. Let's say office 365 or gsuite so I can have an email address called "ben@mynicedomain.org"

Beyond that I want to buy a web hosting (like GoDaddy) service to serve "http://mynicedomain.org".

Maybe I also want an intranet service hosted by AWS virtual machine at "http://wwwin.mynicedomain.org".

Can this be accomplished? If so how it works? Who is going to be nameserver for my domain?
0
In the past I've been able to access a Server 08 R2 share \\server\data\sharename from a Windows 7 workstation. Now I have one PC that cannot. I receive message "Network Error: Windows cannot access \\server \data\sharename. However it CAN access \\server\sharename just fine. Which is useless because the software requires \\server\data\sharename. Other PC DON'T have this problem.

I can access \\server just fine. Can access \\server\data just fine. Can access \\server\share just fine. But not \\server\data\share.

I've copied that folder and renamed it to the original folder and share. Same problem. I've rejoined the domain as a new domain user. Same problem.

The software people say the easiest thing to do is get Windows to be able to navigate to the \\server\data\sharename or else they will have to spend 8 hours rewriting alot of things
0
Hi,

I have a SAN Network isolated from the reset of the network and I have a Single Windows 2012 server I am using as a gateway for monitoring and updating.

I dont have any budget so using FreeProxy Internet Suite to route internet traffic and SMTP traffic for updates and monitoring alerts.

the issue I have is that the storage will not send using the Proxy and also DNS is not working for updates.

What is the best solution to all my Windows 2012 R2 Gateway machine to pass all traffic out keeping the network isolated.

thanks
0
Recently I have created new DFS Namspace (in preparation to move users redirected folders to different server share)

Until now users folders were redirected to

 \\server\USERS\username\...

After implementing DFS Namespace users folders are still pointing to the same place but it is now showing as

\\domain.local\shares\users\username\...

The issue is that when users click on to files  located in the new DFS namspace they get this message every time they try to open file:

Open File - Security Warning
We can't verify who created this file. Are you sure you want to open this file:

"..filename..."

This file is in a location outside your local network. Files from locations you don't recognize can harm your PC. Only open this file if you trust the location.

error.JPG
How do I fix this annoyance?
0
I have a simple (old) Punch Time Clock device on the network and having issue to poll the clock - experiencing all kinds of network disconnects etc. while connecting from Virtual Machine.

I suspect that it has to do with the fact that the network adapter used by this VM is part of a TEAM (NIC teaming enabled - TEAM is made of 3x 1GB NICs).

My Host OS is Windows Server 2012 R2.

I wonder if there is anything that can be tweaked on the advanced features of the network adapder assigned to VM that could make it more reliable (network speed is not a concern for this particular VM)
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Okay, so I'm trying to use the runas with smart card credentials.  It works, but only through the command line window.  Instead I would like it to automatically bring up the standard GUI that shows the smart cards.

Example:  I want to use getmac to grab a mac address of a computer on the network.  I can only do this with credentials.  We use smart cards only.  I'm trying to get that info, redirect it to a simple text file, and then display that text file later.  Yes, I can get it to work in the command line window, but I want to select the smart card from the GUI instead.  Any way to do this??

VBA Code:

Shell "runas /smartcard getmac /s " & ipaddress & " >>MACINFO.TXT"
Shell "notepad MACINFO.TXT"
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Hi,

I'm currently encountering the issue, that my java-program, which is running as a windows 7 service does not know any mounted network shares, even if the windows service is loged on by a valid domain user and share access rights are configured.

However, when running the java program manually and not as a windows service, mounted network shares are known and access works.

Does anybody  have an idea, how I can accomplish, that a windows service knows mounted network shares or a workound for this problem?

Any hints appreciated - Thanks,

BR Klaus
0
Hi all,

I've got a subinterface on gig0/0/2.1 with a VLAN of 100 and an IP of 10.10.10.1 255.255.255.0 with a DHCP scope to give out IP's in the range of 10.10.10.0 255.255.255.0 and a default gateway of 10.10.10.1 which it IS giving out to devices connecting to our Guest Wifi but i cannot get access to the internet. Is there anything i'm missing on a basic setup of this ?

Thanks
0
Hi Expert

I getting a situation here I having issue to login to the Web portal of the Ubuntu box . After communicating to the vendor it need to ssh to box to reset the password Please note is a Ubuntu box.

Question how to reset the password in the Ubuntu box ?
0
Hi,
I have Xerox 6204 Wide format (Print,Copy,Scan) stop working and became off line ? after uploading the file firmware to the Web Printer Management Tool  FreeFlow Accxes controller the printer lost billing meter and serial number
I can't change IP address it back to 13.240.20.38 after Restart or shutdown and visible to network
What should I do to solve it ?
0
A bank using san of HP MSA p2000 would like a affordable HA solution for its servers (physical /virtual , windows /Linux) at network and data level..
please help me determine the needed devices as well as needed software ,
0
What are the steps necessary to create a VPN on a SonicWALL TZ600 router?
0

Networking

90K

Solutions

66K

Contributors

Networking is the process of connecting computing devices, peripherals and terminals together through a system that uses wiring, cabling or radio waves that enable their users to communicate, share information and interact over distances. Often associated are issues regarding operating systems, hardware and equipment, cloud and virtual networking, protocols, architecture, storage and management.