The broadcast tag has no wiki summary.
5
votes
1answer
72 views
Can a limited broadcast packet contain destination MAC address other than FF:FF:FF:FF:FF:FF?
Can a limited broadcast contain destination MAC address other than FF:FF:FF:FF:FF:FF?
If the answer is true, could you provide an example of a protocol that uses a packet like this.
Ok, to elaborate ...
1
vote
0answers
17 views
Is there a way to use Sharepoint 2010 Central Admin to send an email to all connected users to alert about a System Restart?
We have Sharepoint 2010 Server running in a test mode on one of the servers in our intranet (LAN) and I would like to broadcast an email to all connected users if any are currently using Sharepoint.
...
0
votes
0answers
27 views
Broadcast packet routing on Windows 7 to VirtualBox VMs?
I have VirtualBox 4.1.14 on a Windows 7 machine, running a VM with Linux 2.6.26 installed. The network connection is bridged, and I am able to connect across the bridge in both directions, so it ...
0
votes
2answers
89 views
How to configure samba to workaround UDP broadcast problems?
I have a problem that NetBIOS name of my Ubuntu laptop connected through WiFi cannot be resolved from other machines. Using a packet sniffer and nmblookup I figured out that the wlan interface doesn't ...
0
votes
0answers
85 views
broadcast network connection on ubuntu through virtualbox
I'm developing a website using ubuntu as a host web-server through virtualbox.
when I first set this up, I was broadcasting the ip address so that on my tablet, I could navigate to the ip address of ...
0
votes
1answer
120 views
255.255.255.255 broadcast address meaning
Lets suppose we have a computer with three NICs:
NIC_1: 172.16.1.1/24
NIC_2: 192.168.1.1/24
NIC_3: 103.55.34.32/24
We send a packet with the destination IP address being 255.255.255.255.
1) if ...
1
vote
0answers
76 views
psad, alarm for host scanning broadcast address
I've set up psad 2.1.5-3 in Ubuntu 10.10. I keep receiving emails like this
=-=-=-=-=-=-=-=-=-=-=-= Wed Oct 19 17:26:57 2011 =-=-=-=-=-=-=-=-=-=-=-=
Danger level: [4] (out of 5)
Scanned ...
0
votes
0answers
111 views
How may one configure Windows Firewall to block outbound multicast and broadcast traffic?
Blocking outbound connections by default and disabling all outbound rules does not prevent all traffic from being sent on the network interfaces.
Some broadcast traffic is of course necessary for ...
5
votes
1answer
86 views
Network bridge and broadcast ethernet frames
Let R1 and R2 be two (wireless) routers. Both R1 and R2 have one wired interface eth0 and one wireless interface wlan0. On each router, both interfaces are bridged on br0. So:
R1.br0 = R1.eth0 + ...
0
votes
1answer
122 views
How to configure a network router to forward (rebroadcast) wcf discovery
I can't perform wcf discovery through a network router.
I have a client and server app. When deploying these two apps to any two computers on the same lan it works perfectly. The client app finds ...
-1
votes
1answer
77 views
Live Stream to iPhone [closed]
I have a simple setup:
Server with Intel Duel Core Xeon with 8 GB of RAM
Fitted with a Ospray 440 hardware.
Have a software for capturing, encoding and streaming live TV. (probably VLC Player or ...
1
vote
1answer
145 views
Using SLP (service location protocol) in an environment without multicast (OpenSLP)
Is it possible to use SLP (service location protocol) in an environment which does not support multicasts but just broadcasts? From what I've read it should be possible, but I can't get it to work.
...
1
vote
1answer
145 views
Limiting broadcast traffic illogically. What are the downsides?
We've been thinking through re-arranging the end-user network and VLAN configuration. We're currently doing things in a way that isn't quite typical, but given that it is working, we're hesitant to ...
2
votes
1answer
245 views
Forward broadcast to fixed IP using IPTables
I need to forward (route) broadcast packets from several wireless clients to a single server in the fixed network. The wireless and fixed network are not bridged for security reasons.
With the ...
0
votes
1answer
425 views
Broadcast storm [closed]
Possible Duplicate:
How managed switches handle Broadcast Multicast and Unicast?
An application published broadcast message to a network, and caused network switch to drop packet. I have ...
5
votes
2answers
755 views
How managed switches handle Broadcast Multicast and Unicast?
Under typical scenarios, a network switch needs to handle broadcast, multicast and unicast messages at the same time.
I'd like to understand
On a typical managed switch (1Gb Ethernet/10Gb Ethernet), ...
2
votes
2answers
133 views
Stop unwanted network traffic on second nic
I work for a company who make a networking product.
The device we create is attached to the testing PC via a second NIC and is on a seperate subnet to the primary nic on the corporate lan.
We are ...
3
votes
1answer
161 views
one particular laptop does not receive UDP broadcast messages
I am trying to debug a problem with a particular laptop which is running Ubuntu. We have a service which uses broadcast UDP messages, and this laptop is not receiving them on its wireless interface, ...
1
vote
1answer
271 views
Passing Wake On LAN traffic across subnets with Dell PowerConnect 62xx
I am working on an SCCM project that requires powering on computers in the middle of the night to run updates. SCCM can send the WoL packets, but I am struggling to figure out how to pass this across ...
2
votes
2answers
73 views
Need confirmation on layer 2 security question
I need confirmation on a question regarding layer 2 security. I've been doing research and I just need to know that I understand it correctly.
Basically, if you have a LAN with a few machines ...
0
votes
4answers
557 views
How can I “kill” a computer network services on my lan?
I'm in a strange situation...
A customer has a huge network based on static ip.
All machine names are not useful to identify a computer location and network switches are not managed.
One of the ...
2
votes
2answers
623 views
what should be the destination MAC address for a limited broadcast address(255.255.255.255)
configuration: host(H1-10.10.10.55/24) has a default gateway(g1) 10.10.10.1/24.
Question 1:H1 sends a packet to 255.255.255.255. What should be the destination MAC address in the outgoing frame?
...
0
votes
2answers
369 views
How to route broadcast packets from machine with two network interfaces on same subnet
I run RHEL 5 and have two NICs on one machine connected to the same subnet:
eth0 192.168.100.10
eth1 192.168.100.11
My application needs to receive and transmit UDP packets (both unicast ...
23
votes
4answers
922 views
2
votes
2answers
247 views
Rebroadcasting videostream from IP-camera
The problem is the following: I have a camera D-Link securicam dcs-2121 (http://www.dlink.com.sg/products/?idproduct=310) it has its own web-server and works perfectly with a few connected users, but ...
1
vote
1answer
613 views
Iptables - Allowing only a single dhcp (relay) client
I am trying to create a firewall rule on an Ubuntu 10.04 server running isc-dhcpd. I only want dhcp to be accessible by a single relay host (172.1.1.1). I have iptables set up like so:
# iptables ...
1
vote
2answers
161 views
Microsoft Networking - WINS, DHCP, considerations for moving from a flat to routed network
We are moving our network from a flat 192.168.x.x/16 to a routed network to be composed of several /24 subnets and a layer 3 switch.
It is a Windows network, active directory integrated, standard ...
3
votes
5answers
660 views
HP switches sending multi-cast ping requests
I'm not our normal network guy... I've just been drafted to help with this issue, so please bear with me.
We have a fairly large (~4,000 devices?) network mostly comprised of HP Procurve gear. From ...
0
votes
1answer
75 views
Getting apache to respond to http broadcasts
I was wondering if there is a way to configure Apache to respond to http requests sent to the broadcast address (ie. 192.168.1.255). Thanks
0
votes
1answer
1k views
RV042 - how to broadcast UDP through VPN
I setup a gateway to gateway vpn connection with linksys RV042 router.
i was able to ping each other, access file sharing ( with netbios enabled ).
They are having same subnet mask 255.255.255.0,
...
2
votes
2answers
3k views
Bonjour/mDNS Broadcast across subnets
I have just setup a new OSX Server in our office and verified that everything is working fine over our wired network (192.168.126.0/24).
The problem that I am having is that our clients (Mac Laptops) ...
1
vote
2answers
1k views
Broadcast UDP over VPN
I have OpenVPN configured and have 5 dd-wrt router clients. I would like the machines on those routers to be-able to UDP Broadcast across all 5 networks.
I cannot bridge the interfaces(to my ...
0
votes
1answer
178 views
Local Live Quicktime Video Broadcast, latency?
I'm looking into the feasibility of using a local server to distribute live video of a conference to delegates in the same room. They would still hear the live audio coming from the speaker, so only ...
1
vote
2answers
2k views
broadcast ping on windows LAN
I have a LAN of windows machine some running XP some running 2000, my broadcast ping times out all the time.
is it due to firewall? or some other setting in registry?
0
votes
4answers
114 views
How is frequency multiplexing implemented?
How is frequency multiplexing implemented?
I understand that in time division multiplexing the feed of each channel just uses its own time interval for sending out data over the same medium.
But how ...
1
vote
1answer
197 views
Broadcast message
I had a ssh connection to a remote server and just got a message
Broadcast message from foo@foo
(/dev/tty2) at 19:17 ...
The system is going down for reboot NOW!
Connection to foo closed by remote ...
3
votes
2answers
6k views
How to alter the global broadcast address (255.255.255.255) behavior on Windows?
Desired behavior
When an application sends a packet to the global broadcast IP address 255.255.255.255, I would like that the packet be sent to the Ethernet global broadcast address ...
1
vote
2answers
878 views
Cisco 1242 WAP Configuration to broadcast SSIDs
OK, one would think this would be an easy question to answer. But searching online yields no results to our particular issue. We have Cisco WAPs that require configuration to broadcast the SSID of our ...
3
votes
4answers
514 views
What happens if I ask 127.0.0.1 via arp broadcasting?
Will all the computers on the network will answer me?
1
vote
2answers
957 views
Unicast video streaming on FreeBSD
I need to broadcast one live video stream from Windows machine (captured by TV tuner) to many viewers in the Internet.
Because bandwidth is limited on this machine it should be forwarded to FreeBSD ...
2
votes
4answers
687 views
What is responsible of setting up the default broadcast address?
The broadcast address is apparently misconfigured on some (old) Linux embedded device that I setup (but that I don't own anymore) because it doesn't match the expected value given the IP address and ...
