Similar Questions

• N3000 (6.1.1.7) issue igmp snooping

  G ' Day!

  I am setting up a new N3048P switch and having a weird problem with multicast packets invaded to all ports in the Vlan ONLY when there is no one joined in this multicast group, IE. shows "show ip igmp snooping group' the table is empty"there are currently no entries in the table."

  If there is one or more hosts who have joined the multicast group that the IGMP Snooping works as expected - no flooding - multicasts packets arrive only on interfaces where the hosts 'asked' for it and in the IGMP Snooping table according to the output of the command 'show ip igmp snooping group'.

  Anyone seen this before? Is this a normal behavior?

  After the reading of the bible (tools.ietf.org/.../rfc4541) it comes to the behaviour expected of an 'unregistered package' in accordance with paragraph 3, of tools.ietf.org/.../rfc4541

• Multicast traffic stops flowing after a while when using IGMP snooping

  Hi all

  I have the following configuration:

  :

  Where host 1 is a multicast traffic source and host 2 is a customer of multicast traffic. IGMP snooping is configured on both switches.
  Host 2 boots and sends an IGMP report, in order to join the multicast host group 1. Given that SW2 does not know where the mrouter from the group, adds port Eth1/1 to the Group of snooping and removes the package, the IGMP packet. Once host 1 starts, it sends an IGMP query (which is flooded by the port channel), and multicast traffic starts to flow to host 2.
  When I ran 'show ip Mattia snooping groups' I've seen the same result on both switches: on the two switches of the groups the Eth1/1 and the channel port, but after a while, the switch connected to the host 2 deleted the channel of the port of the group.
  After consultation with the switch logs and sniff traffic on one of the channel port on SW1 interfaces, I came to the conclusion that happens since SW1 ceases to send queries generated by host 1 and responding to them locally (some proxy or something). I also noticed that IGMP reports generated by host 2 stop arriving on SW1 (since SW2 do not know that there a connected mrouter more across the channel of the port).

  My questions are:

  1. How does SW1 knows he should keep the channel port as part of the group, if it does not IGMP reports coming from SW2 more?

  2. what happens if the host 2 is not interested in multicast traffic, but do not send and IGMP leave message (a behavior that is supported according to the Protocol, to my knowledge)? How SW1 knows he should cease to IGMP sent from host 1 query response?

  Thanks in advance,

  Omer.

  Hello

  The problem is because you have not mrouter port sw1. It is well documented by virtue

  http://www.Cisco.com/c/en/us/support/docs/switches/Catalyst-6500-Series-...

  There are 3 ways you can solve this problem.

  1. enable Pim on Sw1.

  Or

  2. enable ip igmp snooping interrogator on Sw2

  Or

  3. create staitc mrouter port on sw2.

  ip igmp snooping vlan 1 mrouter interface PoX
  
  

• IP igmp snooping questioning?

  I have read these forums and noticed that many people have problems with multicast configuration. Basically, problems are bandwidth floods, no interrogator, confusing the router pim configuration...

  In addition, ive seen some promisses of technical stuff that next gen linksys switches will have #ip igmp snooping inquiringly, as cat. so I am interested if anyone can give me the answer.

  It's an interesting question for a lot of people who wouldn't be expensive switches chat for this kind of simple use.

  Kind regards

  David

  Hi David,

  You have much more options as seen in the GUI, so I though I'd put as simple network together and run you through a validation.

  But I guess you have the updated version of the switch SRW224G4P called SRW224G4P-K9-NA.

  If you have the old switch what follows is irrelevant for you.

  I implemented a simple network diagram showing my simple network topology used during my wee test;

  I chose the RV042 as my router from Layer 3 in this network.

  It was really to provide DHCP services, but shortly after that all devices have IP addresses, I removed the RV042, becauise, I noticed he was sending IP IGMP General queries.     Something that I didn't have in the next test.

  

  I was using a software based multicast Tester, produced by the wonderful people at Twisted Pair Solutions.  This software can send or receive multicasts to a defined group, and that correctly meets General IGMP queries. I'll call this software MCT (multicast test).

  I got the software MCT on PC C.  PC C is connected to the switch 10 port, it sends the multicasts in the switch at a rate of about 10 packages of multicast a second.

  I got the software MCT on PC PC a. is plugged into the switch port 1.  She is set to receive and count of multicasts from switch

  I got B PC connected to the switch port 2. PC B check switch statistics, but do not try to receive multicasts of 3 PC.

  I had Setup multicast snooping on VLAN 1 and mark according to the screenshot of GUI.

  Note: I had only one vlan on the switch.

  

  In a composite of two screenshots below, you can see that the status between the IGMP queries is enabled.

  

  I removed the RV042 out of the network, because I noticed in an on PC A wireshark capture, the RV042 sent General group queries.  I wanted to switch to reprise this role

  I waited a few minutes and only displays the igmp activity.

  It can be clearly seen in the screenshot below;

  • Switch series SG300 sent General queries (2 minutes) of the IP source 172.16.1.100.
  • He waited for the general query router mcast, but when none came, 60 seconds later sent it's own general request.  Fair enough, he had to assume that a router mcast can send general queries every minute.

  

  Statistics of the switch can be seen below, it showed.

  • B PC on the switch port that G2 was not invaded by the multicasts, in other words snooping works;
  • Port 10, PC C sends to 2962 of multicast to switch packets.
  • Port 1, PC A 2900 receives multicast switch packets
  • port 2B, PC is not part of the multicast group 234.55.66.77 and as such is not invaded by the multicasts.

  All three PCs are windows based products, and some of the multicasts emanate from these devices.

  See the interafce County property

  Port InUcastPkts InMcastPkts InBcastPkts InOctets

  ---------------- ------------ ------------ ------------ ------------

  gi1             12           9            6           3493

  247 237 6 43733 IG2

  gi3             0            0            0            0

  gi4             0            0            0            0

  gi5             0            0            0            0

  gi6             0            0            0            0

  gi7             0            0            0            0

  gi8             0            0            0            0

  gi9             0            0            0            0

  GI10 26 2962 3 850881

  gi11            0            0            0            0

  gi12            0            0            0            0

  gi13            0            0            0            0

  gi14            0            0            0            0

  gi15            0            0            0            0

  gi16            0            0            0            0

  gi17            0            0            0            0

  gi18            0            0            0            0

  gi19            0            0            0            0

  gi20            0            0            0            0

  gi21            0            0            0            0

  gi22            0            0            0            0

  gi23            0            0            0            0

  gi24            0            0            0            0

  gi25            0            0            0            0

  gi26            0            0            0            0

  gi27            0            0            0            0

  gi28            0            0            0            0

  Port OutUcastPkts OutMcastPkts OutBcastPkts OutOctets

  ---------------- ------------ ------------ ------------ ------------

  Article IG1 13 2900 9 839691

  IG2 233 9 90453 343

  gi3             0            0            0            0

  gi4             0            0            0            0

  gi5             0            0            0            0

  gi6             0            0            0            0

  gi7             0            0            0            0

  gi8             0            0            0            0

  gi9             0            0            0            0

  GI10 24 343 12 47165

  gi11            0            0            0            0

  gi12            0            0            0            0

  gi13            0            0            0            0

  gi14            0            0            0            0

  gi15            0            0            0            0

  gi16            0            0            0            0

  gi17            0            0            0            0

  gi18            0            0            0            0

  gi19            0            0            0            0

  gi20            0            0            0            0

  gi21            0            0            0            0

  gi22            0            0            0            0

  gi23            0            0            0            0

  gi24            0            0            0            0

  gi25            0            0            0            0

  gi26            0            0            0            0

  gi27            0            0            0            0

  gi28            0            0            0            0

  If I look at the groups of multicast on switch, it shows that only two ports were involved in the 234.55.66.77 multicast group.  This is the correct behavior.

  switch4cf17c #sh ip igmp snooping group

  Group VLAN Source include Ports Ports Exclude Comp.

  Address mode address

  ---- ------------ ------------ -------------------- -------------------- -----

  1 234.55.66.77 * article IG1, gi10 v2

  1 239.255.255. *            gi1-2,gi10                                v2

  250

  Just to complete the display, here's the CLI command (highlighted) to enable the feature in the interrogator on the switch.

  [Kswitch4cf17c #sh run

  Bridge multicast filtering

  IP igmp snooping

  IP igmp snooping vlan 1

  applicant ip igmp snooping vlan 1

  interface vlan 1

  172.16.1.100 IP address 255.255.255.0

  output

  interface vlan 1

  no ip address dhcp

  output

  hostname switch4cf17c

  No complexity of passwords allow

  No server snmp Server

  The telnet server IP

  Hope this helps you and others

  Best regards, Dave

• VSAN interrogator multicast with igmp snooping active requirement

  When the switch is "igmp snooping" enabled, I do not understand why VSAN Articles and book require a mrouter or interrogator to define.

  Nexus switch igmp debugs and newspapers, VSAN will send members unsolicited reports every 90 seconds at the address of the group 224.1.2.3 and 224.2.3.4. It is without worrying whether or not we have configured for VLAN mrouter or igmp snooping querier. As long as VSAN is coded so as to send the membership periodically reports, should we not there so a "questioning" on the virtual LAN to send Group/General requests.

  As in my tests, I have no igmp mrouter or defined vlan VSAN and VSAN applicant all communicate are good with igmp snooping enabled (default for NX - OS).

  DIA-N5K-02 # show ip igmp snooping-history of events vlan. I have 10.16.127.111

  2014, August 5, 21:31:46.915356 igmp [3465]: [3917]: SN: < 127 > v2 received report: Group 10.16.127.111 on Eth1/21 224.2.3.4

  2014, August 5, 21:31:46.915011 igmp [3465]: [3917]: SN: < 127 > v2 received report: group 224.1.2.3 10.16.127.111 on Eth1/21

  2014, August 5, 21:30:17.037868 igmp [3465]: [3917]: SN: < 127 > v2 received report: Group 10.16.127.111 on Eth1/21 224.2.3.4

  2014, August 5, 21:30:17.037606 igmp [3465]: [3917]: SN: < 127 > v2 received report: group 224.1.2.3 10.16.127.111 on Eth1/21

  2014, August 5, 21:28:46.950748 igmp [3465]: [3917]: SN: < 127 > v2 received report: Group 10.16.127.111 on Eth1/21 224.2.3.4

  2014, August 5, 21:28:46.950273 igmp [3465]: [3917]: SN: < 127 > v2 received report: group 224.1.2.3 10.16.127.111 on Eth1/21

  2014, August 5, 21:27:17.073420 igmp [3465]: [3917]: SN: < 127 > v2 received report: Group 10.16.127.111 on Eth1/21 224.2.3.4

  2014, August 5, 21:27:17.073042 igmp [3465]: [3917]: SN: < 127 > v2 received report: group 224.1.2.3 10.16.127.111 on Eth1/21

  2014, August 5, 21:25:46.985909 igmp [3465]: [3917]: SN: < 127 > v2 received report: Group 10.16.127.111 on Eth1/21 224.2.3.4

  DIA-N5K-02 # show ip igmp snooping vlan 127

  IGMP Snooping information vlan 127

  IGMP snooping active

  Search mode: IP

  Optimized multicast Flood (OMF) disabled

  Applicant IGMP no

  Switch-interrogator disabled

  Tracking explicit IGMPv3 is enabled

  IGMPv2 leave quickly disabled

  Delete report IGMPv1/v2 on

  Disabled removal of IGMPv3 report

  Removing local groups link activated

  Detection of router port using PIM Hello, queries IGMP

  Number of ports in the router: 1

  Number of groups: 2

  Function of vPC VLAN enabled

  Active ports:

  Eth1/21 Eth1/22 Eth1/23 Eth1/27

  Ros

  DIA-N5K-02 # show ip igmp snooping groups vlan 127

  Type: S - static, D - dynamic, R - port of the router, F - Fabricpath base port

  Group VLAN address worm Type port

  127   */*                -    R     Po1

  127 224.1.2.3 v2 D Eth1/22 Eth1/21 Eth1/23

  Eth1/27

  127 224.2.3.4 v2 D Eth1/21 Eth1/22 Eth1/27

  Eth1/23

  We found that for some providers of network switch, an interrogator is required when you enable IGMP snooping. If espionage works without an interrogator for your specific provider, then this is ideal. In all cases, we recommend that you consult your provider for their specific recommended configuration of switch of layer 2 multicast switch.

• Question of multicast and Microsoft NLB

  Hello

  I just set up our first server of Microsoft using multicast NLB cluster.

  The entry door of the VLAN is a 5540 Cisco and servers are connected on a pile of Cisco 3750.

  In order to let the ASA before executives for this multicast group I put static arp resolution in this cluster's multicast MAC address.

  No static MAC entry on our switches.

  All work purposes and multicast works but...

  (1) using the wireshark on our NLB nodes I found that frames are intended for machine unicast mac address. IF I ping from the ASA to the Cluster IP, ICMP is sent just for ALL NLB nodes.

  (2) all images are nodes NBL has the MAC address (physical) of unicast.

  (2) other hosts in the same VLAN do not receive all the emissions associated with this group (multicast works)

  (3) on our Cisco 3750 stack, multicast MAC address is not in the cam.

  Since only the NLB nodes receive this traffic, my question is:

  HOW the multicast can work only if the switch doesn't know anything about this group?

  Thank you

  Paolo

  Paolo,

  I really thought that you were using the IGMP option because of your statement:

  "(2) other hosts in the same VLAN do not receive all the emissions associated with this group (multicast works).

  Without the IGMP option, NETWORK load balancing uses a locally administered multicast MAC address with the format 03:BF:. Thus, this isn't an IANA-assingend (01-00-5E) multicast MAC address, IGMP Snooping can avoid flooding of these frameworks throughout the entire VLAN, which is the only way a switch can manage these frameworks. The recommendation to avoid/container this flood is the configuration of the static entries from MAC because the MAC of Cluster multicast (linking exclusively for the required ports). These static entries then also appear in the output of "show the mac address table.

  With the option IGMP, you can make use of the IGMP snooping to prevent flooding, so the static MAC entries are not required in this case and cluster multicast THAT MAC can be dynamically learned by IGMP snooping. It should then be listed in the output of 'show mac address-table multicast '.

  HTH

  Rolf

• Airport of broadcast cross?

  I have an Apple Airport Extreme current network interview the two CAT6 wired and wireless devices configured in DHCP/NAT. I have a DLink 24 - port external switch connected to the Airport Extreme. A new device that is wired to the switch, connects a - OK for the wired Mac Mini, running a program of the new device management. The new device also has a program of control of iOS for my iPad, but the iPad can not communicate with the new cable system. Any suggestions?

  Is your AirPort Extreme Base Station a 802.11ac model? It is currently configured with IGMP Snooping enabled?

  • AirPort utility > select the extreme > change > Network tab > Network Options... > enable IGMP Snooping

  

  What version of iOS of the iPad is running? A is the control of the iOS program? He was able to work before or never worked?

• Network: 2 routers Apple broadcasting separate wireless networks; one (Xfinity/Comcast) cable modem

  Hello community!  Need help, I want to use two routers to establish two separate wireless networks on a cable modem connection.  I searched for my answer and see some other threads on this topic, but all are either a bit too technical for me, are incomplete on the answers to my questions - and all seem to be locked.  I have also searched YouTube and only see videos to extend a network with two routers - not my goal.  So here is a long, but a detailed post on what I need someone help with - thank you very much in advance if anyone can all small-not me-I hope it will be useful to others in the future.

  The program installation/hardware: I have internet Comcast/Xfinity that runs to a Motorola surfboard cable modem (SB6141).  I also have two routers apple - a Time Capsule from Apple AirPort (to end 2013) and a new (2016) AirPort Extreme.

  Purpose: This is what I need--I need two separate wireless networks.  Before going further, by using the guest account and 5 GHz of a single router isn't an option for me.  I need to have both wireless networks separate (one of each router), do not talk to each other, or allow access between the two - the only is that they share the Comcast internet gateway.

  My plan is to have the cable modem Surfboard connect to airport Time Capsule, which will then connect to AirPort Extreme (even if it could be reverse - no difference, except that the data that I show below comes from the time Capsule, which is currently connected to the modem cable).

  To read the previous discussions, it seems that the starting point would be: modem router #1 Ethernet WAN, then a router cable #1 LAN Ethernet to the Router #2.

  First issue of clarification - the connecting cable should go to the Ethernet WAN port on the Router #2 or a LAN Ethernet port?

  Now that the first easy question is the road, I need help to configure two routers connected to allow two separate networks.  A lot of discussions about the positions of static IP addresses, cascade, etc..  I need specific help with AirPort Utility on what to change on what router.  It seems obvious that the settings under the 'Internet' and 'Network' tabs are those who need to set - the 'wireless' tabs simply treats the name of the wireless network and settings - these, at least I can understand!

  I'll organise this tabbed - here go us.

  First of all, the "Internet" tab/window Airport utility. Here are the options:

  Connect using: Router #1 has currently DHCP (which I think is OK?) What should it be set to Router #2?

  This tab lists also the current address in IPv4, the (255.255.254.0) subnet mask and the router address.

  It has grayed out information in the boxes for the DNS servers; Name of domain and DNS IPv6 servers.  At the bottom of the window, there is an IPv6 Internet WAN address listed.

  If I click on the "Internet Options" button at the bottom of the window, it takes me to the 'Internet Options' window. Here, there are various IPv6 information - it seems that I can choose the configuration of IPv6 and the IPv6 mode using the drop down boxes/selections were also chosen.  There is also a checkbox 'Enable IPv6 connection sharing'. Are the current settings for these for Router #1: configure IPv6: automatically; IPv6 mode: Native; and check/yes to enable sharing of IPv6.

  Next up, the 'Network' tab utility AirPort/window.

  Here, there is a drop-down menu "Router Mode", a DHCP range listed, and the ability to add or remove reservations DHCP and Port settings.  The DHCP range listed for Router #1 is 10.0.1.2 to 10.0.1.200.  There is currently no reserves DHCP or specified Port settings.  Finally, there is a checkbox to the bottom to "Activate the access control" - it is not currently checked/enabled.

  If I click on the 'Network Options' button at the bottom of the window, it takes me to the "Networking Options" window Here I have areas of entry to specify the DHCP lease duration, can specify the DHCP IPv4 range, as well as part of the extended DHCP IPv4 comments.  There are checkboxes: enable NAT Port Mapping Protocol. Select the host by default (with input if selected text box); Enable the IGMP Snooping; Block incoming IPv6 connections; Allow the Teredo Tunnels; and allow inbound IPSec authentication.

  For this window, here is the current settings on the Router #1:

  DHCP lease is 1 day; Beach DHCP IPv6 is 10.1.2 to 200; Hosts IPv4 DHCP Range is 172.16.42.2 to 200.  The following check boxes are enabled/checked: enable NAT Port Mapping Protocol. Block incoming IPv6 connections; And allow inbound IPSec authentication.

  Who can help me? What parameters, if all do I need to change the #1 router?  How to set up router #2 to make a second wireless network?

  Purpose: This is what I need--I need two separate wireless networks.  Before going further, by using the guest account and 5 GHz of a single router isn't an option for me.  I need to have both wireless networks separate (one of each router), do not talk to each other, or allow access between the two - the only is that they share the Comcast internet gateway.

  What you really need is a combination router / Ethernet switches that s supports VLANdedicated. Given that Apple routers do not, at best, you can potentially get the results that you are looking for, but at a performance cost. In other words, you can have two separate WiFi networks where clients connected to a network can not 'see' those related to another and both routers will always provide access to the Internet through Comcast modem. Note: Arris / Motorola SB6141 isn't a gateway device. Instead, it's a simple modem. A gateway is a router modem combination.

  To do this, should do the following:

  • The Time Capsule (TC) would need to be directly connected to the modem using an Ethernet cable. This base station would remain in its default configuration of the router. In other words, the router Mode (in AirPort Utility) would establish: DHCP and NAT.
  • AirPort Extreme would be directly linked to TB by Ethernet. The cable must be connected to one of the LAN ports on the TC on the WAN port to the extreme. It must also be configured as a router. However, there are differences in the extreme:
    • Use a different name to the Wi - Fi network.
    • Use another range of IP DHCP address. By default, Apple base stations use IP addresses in the 10.0.x.x range. I suggest that you set the base station of the second on 192.168.x.x range.

  There is a major drawback with this configuration. The second base station will be in a State of "Double NAT". Although this "separating" the two networks on different subnets, this condition is not very effective and connected to this network of customers will get lower throughput performance. There is no way around it and it is not recommended.

  First of all, the "Internet" tab/window Airport utility. Here are the options:

  Connect using: Router #1 has currently DHCP (which I think is OK?) What should it be set to Router #2?

  The two should be: DHCP.

  This tab lists also the current address in IPv4, the (255.255.254.0) subnet mask and the router address.

  These leave it as what. The TC is information of IP address of the modem. The extreme, he'll get the TC.

  It has grayed out information in the boxes for the DNS servers; Name of domain and DNS IPv6 servers.  At the bottom of the window, there is an IPv6 Internet WAN address listed.

  These leave it as what.

  If I click on the "Internet Options" button at the bottom of the window, it takes me to the 'Internet Options' window. Here, there are various IPv6 information - it seems that I can choose the configuration of IPv6 and the IPv6 mode using the drop down boxes/selections were also chosen.  There is also a checkbox 'Enable IPv6 connection sharing'. Are the current settings for these for Router #1: configure IPv6: automatically; IPv6 mode: Native; and check/yes to enable sharing of IPv6.

  Unless your ISP provides your IPv6 service, change the IPv6 configuration option to: 'Link-local only' on two base stations.

  Here, there is a drop-down menu "Router Mode", a DHCP range listed, and the ability to add or remove reservations DHCP and Port settings.  The DHCP range listed for Router #1 is 10.0.1.2 to 10.0.1.200.  There is currently no reserves DHCP or specified Port settings.  Finally, there is a checkbox to the bottom to "Activate the access control" - it is not currently checked/enabled.

  Router mode should be: DHCP and NAT to two base stations. Ignore the DHCP reservations and Port settings for now. Let the current DHCP range for the TC. Change the DHCP range for extreme for: 192.168.1.2 a.200. At this point do not access control for each base station.

  Since you seem to need the step by step instructions or need help to understand the different terms networking, I highly recommend that you help you to become familiar with networking, specifically on Apple systems. I suggest you consider taking the e-Book to the next control: take control of your Wi - Fi Applehttps://www.takecontrolbooks.com/apple-wifi network

• R7000-can not get to work with iptv

  Hi, I have problems to make my r7000 working with plusnets iptv... Recently signed to it and they sent me their shitty router that feeds their iptv perfectly but I can't figure out how to get the nighthawk for this...

  Current firmware 1.0.4.30. in advanced settings, there is an option allowing to the VLAN / bridge I had some success using: iptv works for a bit, but not internet traffic outside of iptv is passed to the youview box - so can't watch netflix etc. It stops also work after I have change the channel so it does not seem in any case the right fix

  PlusNet cannot provide me details for tag vlan, so don't know not where to go from there... every time I have activate the Internet is not just connect - tried VLAN 10, 101, 301 and the thing that I could think of...

  I read that there is an option to enable the VLAN / IPTV on some firmwares, but I don't see "enable VLAN / Bridge" on mine.
  This feature is still supported on the R7000? or would be running DD - WRT work?
  I hope someone can help
  Thank you

  bill1228 wrote:
  Cannot talk about DD - WRT and IPTV, but later XVortex firmware supports IPTV and is made to work. Of course, there is the matter of that will work with your provider?
  Link to this info:
  http://www.linksysinfo.org/index.php?threads/asuswrt-Merlin-on-NETGEAR-r7000.71108/page-11#post-2636...

  Link to the news of the firmware:
  http://www.linksysinfo.org/index.php?threads/asuswrt-Merlin-on-NETGEAR-r7000.71108/

  Works fine on my r7000.
  -Bill

  And we have a solution! Flashed the CFW, a quick reboot of the router, and a bit of higgery pokery - work with enabled IPTV YouView.

  Here's a note in case others run into this forum and fall into the same obstacle. These are the settings you need once you have flashed the CFW:

  You must configure 'Enable VPN + connection DHCP' to 'No' to the terms of the WAN option.

  Parameters used were:

  -Have the router to the latest firmware: 3.0.0.4.374.130

  -Use the following settings in the LAN > IPTV:

  -"Select the ISP profile" = None

  'Choose the Port STB IPTV' = None

  -"Use DHCP routes" = Microsoft

  -"Enable routing multicast (IGMP Proxy) = enable".

  'Enable the effective transfer of multicast (IGMP Snooping) = enable ".

  -' UDB Proxy (Udpxy) = 0

  I hope this proves use for others in the future and thank you for all your help.

• drops game

  So let me explain my situation. I'm an apple guy. I have everything Apple. 5K iMac, iPad pro, alll iPhones retina 6 +, Apple TV 2nd Gen and have just received the new AppleTV, Apple Time Capsule 2 TB, multiple Airport extreme,... My problem is I have a big house and want to play music throughout the House. I understand that apple switched things around when my older Apple TV might take is no longer more than one speaker at a time. My older AppleTV could make each Airport Extreme as well as the AppleTV.

  My problem is multiple then let me try and break it down so I can get help.

  1. Since the airport/appletv new switch on 2-3 years where you can purchase multiple speakers is no longer, and a single by AppleTV or an iOS device I was seen fall issues. My AppleTV will play and then suddenly pick up and I have to restart to operate devices. I NEVER had this problem before the update a few years ago.
  2. "My computer (retina 5K 27") I bought because I thought that our 24 "iMac was dated, but still everyday I get airtunes drops when I choose more than one speaker in the iTunes menu. Man, I bought this new computer to get by for the problems of airtime. My wife is n = angry with me because it is the same as for the iMac 24 "older.
  3. I bought the new time capsule ac band without change.
  4. iPad Pro by using for example WHAALE always the problems of drop on the AppleTV but slightly better than the iMac of the retina.

  Here is what I was asking. If I get for ind = position as an Apple product

  Will of AC3200 Tri - Band Gigabit router wifi & NETGEAR speed DOCSIS 3.0 Cable Modem together high Nighthawk NETGEAR X 6 that help?

  In any case, here's the deal.

  These drops airtunes are ruining my social gatherings. My wife thinks I don't know no * because our music stops in the middle of our parties. Please can someone help me please please please.

  There are a large number of messages on airplay stall.

  I have to admit that I am more a guy from network to a man of music... but let me tell you the media streaming more wireless is a very bad idea... He has not never worked properly when I tried... and I simply decided to avoid it.

  Execution of ethernet... everything wirelessly you are using must be single hop... That is to say

  iMac - wireless - airport - without thread - ATV

  Double jump is wireless... each package goes through double treatment. The speed is extremely small because the without thread can't Tx and Rx at the same time... or he can talk to more than one client at a time... This means that if there are a few clients, you can't have a workflow.

  Since the airport/appletv new switch on 2-3 years where you can purchase multiple speakers is no longer, and a single by AppleTV or an iOS device I was seen falling issues

  Then why he has worked in the past... I think it was because he was using the multicast and apple had IGMP snooping works well in the older router.

  http://routerguide.NET/enable-IGMP-snooping-on-or-off/

  But they have made some significant changes in the newer routers that have caused a lot of problems.

  Here is the very general corrections to apple...

  Get help using AirPlay and AirPlay Mirroring on your iPhone, iPad or iPod touch - Apple Support

  The most important I think is just to unload wireless and connect by ethernet things wherever possible.

  I doubt buy a different router will solve the problem... I think you better buy in the Sonos or one of the other systems that use iTunes but to their own networks of him.

• IMAQdx timeout with camera JAI multicast

  We have a JAI camera connected to a GigE card, displaying the image in a LabVIEW program, and it has worked reliably for months.  We would now like to save the image for short periods of time as well.  We have added a second computer on the GigE network to capture and save the image with a dedicated software stream.  We put the camera JAI multicast so that both computers receive the same image.  Now, we're getting timeout errors in the LabVIEW program: error-1074360293 to IMAQdx to Image.vi.  Increase the length of the timeout to 10 seconds (default is 5) has not helped.  No idea why IMAQdx does not multicast, but works correctly in unicast?  Y at - it a setting I missed?

  Hi nathand.

  It seems IMAQdx 3.9 added a bug that will leave multicast mode not working correctly (the camera is silently configured for unicast in some cases mode - Interior CAR # 318906). Can you confirm if you use this version, or if you use an earlier version? If you say it works for a little while but fails, I guess it's _not_ this bug.

  Do you know what type of switch you use between the camera and the two PC? If it is a managed switch he may use IGMP snooping to determine which of your interfaces is listening for multicast addresses. It is possible that a bug in implementation of this Protocol switch can cause the association to give up after a while. You may disable this Snooping and either assign manually multicast addresses are transmitted or move it to all ports.

  Eric

• LAPAC1200 of Chromecast on track to disappearance

  I seem to have issues using a Chromecast on my LAPAC1200 access point. Previously, I was using a wifi router D - Link DIR-855, and everything worked well. I upgraded my installation to a LAPAC1200 and a wired router only. In general, Chromecast works correctly to lighting, but after 10 or two minutes, it seems to become inactive on the network and invisible for compatible devices Chromecast (Android tablet or phone)

  I'm running the 1.0.08.000 latest firmware on the access point. UPnP is enabled on my router, and the LAPAC1200 and Chromecast have static DHCP leases.

  Specifically, these are the symptoms...

  Scenario 1: Plug Chromecast (lights and connects to the Wifi, no problem). Chromecast icon appears on the tablet. Connect to the Chromecast and start a video. After 10 to 15 minutes, I check the Tablet, and it has disconnected. Chromecast icon does not appear again.

  Scenario 2: Chromecast grip. Launch Chromecast Android app and you connect to it to check the settings. Wait 15 minutes. Launch app again and Chromecast does not appear on the network.

  Are there settings on the LAPAC1200 I should change?

  "IGMP Snooping" used for the Linksys LAPAC1200 algorithm is originally the Chromecase to disappear. After a period of time, the LAPAC1200 stops let pass the multicasts packets. After that I disabled "IGMP Snooping", my Chromecast works very well.

  This solution is courtesy of users of another network-product forum.

• HP officjet 7500 has mac osx mountain lion

  Three weeks ago, I bought a HP OfficeJet 7500 a AIO printer. I have an iMac and MacBook Pro computer both running Mac OSX Mountain Lion 10.8.4.

  I tried to install the printer, connect to my router by Ethernet cable and iMac after a lot of frustration and Wifi the printer has been identified and I printed a document successfully.

  The next day, after it off the computer at night, I tried to print without success. I reinstalled the printer and print a document. The same thing happened every day! Then I found this file on HP's Support site: HP_Mountain_Lion_Ink_SW_v12.23.18 and I successfully installed and print a document.

  Today, once more, the iMac can't find the printer! I followed the instructions over and over again and as I client I'm frankly NOT interested if it's a problem of HP Apple or Apple HP problem. Mountain Lion OS has been available for years as a printer. It's also a shame that when you buy an HP printer new at Office Depot in Israel that you get an obsolete installation disc!

  Surely someone at HP does not have an iMac with Mountain Lion and is ready to take the problem to solve the problem or HP he expects visitors to reinstall the printer every day?

  I don't hold my breath that a response from the HP HP. doesn't have its customers when Windows 8 is out with drivers for laptops and it seems that HP is not always interested in the customer service!

  You are welcome Frank,.

  Try to access the web page of your router, then go to Advanced > Network Tools and enable IGMP Snooping:

  http://screenshots.PortForward.com/routers/Dlink/DSL-6740U/IGMP.htm

  URL of the router is the gateway listed for your printer listed in the summary of the network cable to the printer.

  Then restart the router and check if that can help by using the Hello-add print queue, which is of course assuming that everyhing works fine using the queue of Jetdirect-socket

• All Iphones and Ipads can not find via AirPrint printers.

  
  

  Hi Bill,

  Believe that the problem is related with your router multicast support, it is essential to support the mulitple packages to use AirPrint.

  The following discussion about the choice of your router IGMP Snooping can help solve the problem:

  https://discussions.Apple.com/message/22131110#22131110

  I would ensure that iOS devices are connected to the 2.4 GHz wireless network, the printer does not support the connection of 5 GHz and two devices must be connected to the broadcast wireless in the same range.

  Hope that helps,

  Shlomi

• impression on m1212nf air

  I have my HP m1212npf MFP netrowked on a netrowk wireless, and eprint works very well.  My apple devices cannot find the printer on the network for AirPrint.  I watched throgh all the settings and updated the firmware.  Am I missing something?

  Thank you.

  The sympthoms you describe seems exactly that the absence of multicast support.

  From my own experience, routers Belkin does not support multicast (maybe the changes, at least that what I have been confirmed by the Belkin support on a year ago)

  I suggest call Belkin support and check if the router supports Hello, who can also appear under IP or multicast DNS, mDNS, IGMP snooping or good morning on different routers.

  Shlomi