-3
votes
1answer
75 views

Bandwidth requirement to live broadcast an event on the internet [closed]

I am assigned on project to live broadcast an event on the internet which may have 50,000 user s. This will be a broadcast so all users will see same live video. My query is what would be my bandwidth ...
0
votes
0answers
229 views

How to configure Linux to send broadcast packets via a specific network interface?

I've read that OS sends broadcast packets via the 1st interface with IFF_BROADCAST and that you can set/clear this flag with ifconfig [-]broadcast (without an address). But this doesn't work. In my ...
1
vote
1answer
961 views

How do I add a broadcast IP to the loopback interface under os/x using ifconfig when my machine has no network? [duplicate]

I'm new to advanced network administration and I would like to do some testing with UDP broadcasting, so I need a broadcast address on my loopback interface. The machine is offline, in other words, ...
-1
votes
2answers
127 views

What is the equivalent of 127.255.255.255 for OS/X machines so I can test broadcast udp packets without a network? [duplicate]

I am trying to test my program that makes use of broadcast UDP (not multicast!). In Linux, I can use the 127.255.255.255:64651 address and everything works beautifully, in other words, I send a packet ...
4
votes
1answer
264 views

How does broadcasting work on a server with multiple IPs?

Say you have two dhcp servers, A and B. Server A has two IP addresses, 10.0.0.1 and 10.0.0.2. Server B has one IP address, 10.0.0.3. Server A has two instances of isc-dhcp running, one specifying a ...
1
vote
1answer
508 views

Setting ip helper-address to a broadcast address, bad idea?

Info: A number of vlans running on a 16 bit subnet All DHCP servers are on the same subnet (10.1.0.0/16) All switches and routers are Cisco If I was to set the ip helper-address in our ...
0
votes
0answers
61 views

IP Helper Policies

So I'm fairly new in the higher-end Firewall market - but recently have purchased a Sonicwall (2nd hand for lab) for lab purposes. I have a LAN interface configured on 192.168.0.1 and a Wireless AP ...
0
votes
2answers
1k views

Broadcast traffic on large vlan in numbers [closed]

I'm looking for the magic number of how many clients make sense to have on a single VLAN, before the broadcast traffic becomes a real issue. Preferably, I'd also like to know what a good number of ...
0
votes
1answer
434 views

arp across subnets which devices can be detected?

i have some devices connected in the same physical network (LAN) but in different subnets. I want to detect them all with the ARP from my computer. My Computer is also in the same physical network but ...
1
vote
4answers
111 views

Just one client bound to address and port: does it make a difference broadcast versus unicast in terms of overhead?

Scenario: I am implementing failed over for a network node, so my idea is to make the master node listens on a broadcast ip address and port. If the master node fails, another failover node will ...
2
votes
2answers
2k views

Can I test broadcast packets on a single machine?

I want to have a server sending broadcast UDP packets and two other clients, in the same machine, receiving them. Can I do that somehow? What IP address would I use? @gravyface gave me hope but I ...
0
votes
1answer
672 views

Broadcast between VLANs

I have a network with 2 VLANs running on a Cisco SGE2010 with the switch acting as the gateway for each vlan: 192.168.10.0/24 VLAN 10 192.168.20.0/24 VLAN 20 Servers live on VLAN 10 and Desktops on ...
5
votes
1answer
591 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 + ...
1
vote
1answer
607 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. ...
2
votes
2answers
520 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 ...
1
vote
1answer
705 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 ...
-1
votes
4answers
2k 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 ...
0
votes
2answers
1k 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 ...
3
votes
5answers
1k 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 ...
1
vote
3answers
3k 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
1answer
4k views

broadcast ping on windows LAN [closed]

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
128 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 ...
8
votes
2answers
12k 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 ...
3
votes
4answers
733 views

What happens if I ask 127.0.0.1 via arp broadcasting?

Will all the computers on the network will answer me?
2
votes
4answers
1k 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 ...