Bonjour across VLANS

I have a segmented network with Multiple VLANs. I would like to configure the network in such a way as to have the Macbooks on VLAN 1 autodiscover services on the Macbooks, airports, and timecapsules on VLAN 2.
So I found the www.dns-sd.org site, and I added the following to our dns zone:
; Add PTR records telling clients that they can browse and register here
b.dns-sd.udp IN PTR @
lb.dns-sd.udp IN PTR @
r.dns-sd.udp IN PTR @
I then set each client to have the correct search domain.
With these in place, I still can not get the Bonjour devices to scan each other across the VLANS.
This is not an IP issue, since I can still manually add the hosts, but I need assistance with the autodiscover features. Any suggestions?

You are asking the wrong question. Bonjour is how iTunes advertises it availability (daap.tcp) on the local LAN. However, even if you managed to see those advertisement on a remote LAN, iTunes also is programmed NOT to service any requests originating from outside of it local LAN (otherwise people could share their music across the Internet.) So, Bonjour advertisements is only half the story.
If you really wanted to accomplish this you'd need to:
1) have a proxy on the local LAN with iTunes to access the iTunes daap share.
2) simulate the Bonjour advertisement on the remote LAN to point to that proxy.
I made this work once with router port forwarding and a program called Rendezvous Proxy -- because my home network used to have the wireless on a separate VLAN for security. However, the hassle of separate segments with Bonjour, etc., eventually just led me to flatten out my network into a single broadcast domain.

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How do I get my ARD/AppleTV to work through bonjour across multiple vlans?

I am having a heck of a time, I have 200 iMacs running 10.9 and a 10.9 server. We also have 30 apple TVs. These are spread over 5 distinct vlans and I am having a heck of a time getting them all to see each other. I found some information that started getting over my head about adding a bunch of dns entries for each device which would not scale well, and all seemed to be for printers anyways so I have turned here for some hopeful assistance.

Bonjour is designed to stay on the local LAN and not go across routers, with VLANs you have split your network up and Bonjour normally will not cross the splits even if you enable TCP/IP routing between VLANs.
There are various schemes aimed more for site-to-site situations to force Bonjour across links but in your case you might want to look at some newer devices specifically made to 'manage' Bonjour traffic.
Note: Bonjour is the same thing as mDNS i.e. multicast DNS.
See
http://www.cisco.com/c/en/us/td/docs/wireless/technology/bonjour/7-5/Bonjour_Gat eway_Phase-2_WLC_software_release_7-5.html
http://www.aerohive.com/products/software-management/bonjour-gateway
http://www.xirrus.com/Products/Network-Management/Network-Services/Bonjour-Direc tor
http://www.merunetworks.com/products/technology/bonjour/index.html
Apple's AirPort Extreme can also do 'Wide Area' Bonjour between two or more sites but I don't feel it is suited to your case.

Bonjour multicast across vlans?

We have Linksys SRW2048s and i'm wondering if anyone here has any experience configuring the Multicast options to allow iTunes sharing across VLANs.
Thanks,
Joel

You are asking the wrong question. Bonjour is how iTunes advertises it availability (daap.tcp) on the local LAN. However, even if you managed to see those advertisement on a remote LAN, iTunes also is programmed NOT to service any requests originating from outside of it local LAN (otherwise people could share their music across the Internet.) So, Bonjour advertisements is only half the story.
If you really wanted to accomplish this you'd need to:
1) have a proxy on the local LAN with iTunes to access the iTunes daap share.
2) simulate the Bonjour advertisement on the remote LAN to point to that proxy.
I made this work once with router port forwarding and a program called Rendezvous Proxy -- because my home network used to have the wireless on a separate VLAN for security. However, the hassle of separate segments with Bonjour, etc., eventually just led me to flatten out my network into a single broadcast domain.

Airprint across VLANs

I have a WLC 5508 controller in my environment. I'm trying to use AirPrint to attach and print to a Xerox device on a different subnet. If I statically assign an IP address to the Xerox device on my WiFi subnet, I can print to it. How should I configure the WLC and/or my Catalyst 4500/6500 switches to allow AirPrint across VLANs?

Refer the guide :
http://www.cisco.com/c/en/us/td/docs/wireless/technology/bonjour/Bonjour74/Printer_Services.html

SGE Series - Multicast Across VLANs

Does anyone know if the SGE series switches support multicast across VLANs?
If so, how do you configure it?
I have IGMP snooping enabled globally and for each VLAN.
Bridge multicast filtering is enabled as well.

Yes, the sg300 can, and yours probably can too. It's either the settings or the application. What are you trying to accomplish with the multicast over vlan? I had a situation where I was trying to get a DNLA tv to find a DNLA media server (Dnla uses multicast broadcasts for discovery) on a different vlan/subnet. While multicast across vlan worked, the Samsung tv would only look for media servers on its own subnet, regardless of the multicast. You may be facing some limitation of your application, rather than the switch. How about you post some screenshots of the multicast config, then generate some multicast traffic on one vlan and use wireshark to see if you can see it on the other.
Best,
David
Sent from Cisco Technical Support iPad App
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NetInstall across vlans

I've just migrated from 10.7 to 10.8 Server. While mosrt of the services are running well NetInstall is being a pain in the neck..
In 10.7 the server had a static address assigned to the Ethernet pot and also had a VLAN with a static address. With this setup I was able to NetInstall any mac on that VLAN.
I've done the same with 10.8 but I can't NetInstall any Macs that are on the VLAN. Also the NetInstall Service only lists Ethernet as the avalible interface.
Has anyone managed to get NetInstall working across VLANs?
Thanks

We have this working just fine at my company. What we had to do was politely ask the Network Admins to add the IP of our server to the Helper Address list on the switches and routers. It only needs to be added to the first network device that is subneting the network that the client is on. (could be switch or router, most likely not a hub)
The Helper Address list is used for various discovery protocols, DHCP being one of them.
What this does is when the client is looking for the server, the switch/router takes that request and knows that at xxx.xxx.xxx.xxx (the server) there might be a device to help the client and passes that request on to the server on the other part of the network. So for every subnet of computers that needs access to the server you must add the IP of the server to the first device that divides that subnet.
sidenote DO NOT add the IP of the server to the Helper list for the subnet it is actually on, only for subnets that the server is NOT ON. This one drove me crazy for diskless booting. The server ends up getting the request from the client twice. Network guy got overly excited when he was helping us.

Remote Management across VLANs

I can remote manage fine on my VLAN. The workstation on another VLAN did
register its IP address under the Network Address. However, when I try to
remote manage across VLANs it does not get past Authentication.

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RV320 Bonjour Discovery across VLANs?

Hi
I have a network consisting of 2 VLANs - one for the "main" network and one for a "guest" network setup using an RV320 router. I have a couple of Apple TVs and a Sony smart TV setup on the main network VLAN. I would like these devices to be discoverable and usable on the guest VLAN as well. After reading various articles about Bonjour, it seems that this is not easily done.
Can anyone confirm whether or not it is possible to provide this functionality on the RV320 router? Any advice would be most appreciated.
Regards.

Hi Richard,
My name is Andrew and I am a content developer for the Cisco knowledge base.
There is bonjour discovery on the RV320. According to the admin guide, page 61, under the System Management tab. " When this feature is enabled, the device
periodically multicasts Bonjour service records to the LAN to advertise its
existence." According to the photo I provided, it does allow you to enable bonjour on different VLANs.
From there, you can enable or disable bonjour for specific VLANs.
It seems like your configuration would be similar to this topology below,
Where the RV320 can route traffic across different VLANs (with bonjour enabled). You might want to check your Port Management tab if inter-vlan routing is enabled.
I hope this answers your question.

How to setup Wide Area Bonjour across multiple Subnets?

Hi Gents,
It's been painful trying to get this up and i feel i am almost there, but can seem to complete the last bit
I have this network i am helping to manage
OS X Lion Server running
     DNS
     RADIUS
     Open Directory
So the wifi network is in a seperate subsnet from the LAN on which the Mac Server is connected to which posses the problem of Bonjour not routed between the two subnets. So i decided to enable Wide-Area bonjour browsing and create a Service record for afp share folders. So i have got to the point where it's coming up on devices on the seperate subnet under the network icon, however when i try to connect to the service it just says connection failed. Authentication is occuring because if i use wrong credentials it doesn't attempt to connect.
I believe it might be the way i am defining TXT. I have little experience here, any assistance would be appreciated
This is the configruation in DNS Settings on Server Admin
Service Name: Work\03****\03\you
Service Type: _afpovertcp._tcp.
Host: work.damnyou.org.
Port: 548
Priority: 1
Weigth: 0
TXT: "path=PUBLIC/"
Anytime i attempt to connect, it just says Connection Failed
Thanks,
DeeBeeMac

DeeBeeMac,
Did you get things working good for you? I also have a wired VLAN and a WiFi VLAN that I have a implementation with Aruba network for my WiFi, they have an option called airgroup and printers seem to come and go.   I really don't want to use the Aerohive solution, so I was thinking of a Mac mini with an interface on both VLANS.   Do you need to setup anything to get os x to announce services it see's on both networks?   I also tried avahi and turned on reflector, however it seems spotty as well.

Unable to communicate with time clock across VLANS

I have a situation where i am installing SGE2000Ps to replace my old switches and configuring VLANS. The time clock will not communicate across the VLANS. If I unplug the network cable and plug it back in I will get two successful pings. If i use a PC configured with the same network settings as the time clock and plug it into the port for the time clock it communcates fine. Have any one come across this problem?

Hi Wayne,
Thank you for contacting Cisco Small Business forum.
I am sorry that you experience this issue.
I have a question for you. What is providing clocking on your network?
The switch operates only as an SNTP client, and cannot provide time services to other systems. So, you can configure it time manually by going:
System > System Management > Time > System Time;
To avoid any issues on your network. I would suggest to use one common SNTP server for all of your network devices. On the switch you can configure it here:
System > System Management > Time > SNTP Settings. If you do not have SNTP server on your network, you can use publicly available one.
Let me know if that helped.
Sincerely,
Alena Patterson
Cisco Small Business Engineer
CCNA

How to configure netboot across vlans/DHCP when already a windows bootp server in the mix?

Hi All,
We just moved to multiple VLAN's for our Mac's in a mostly WIndows environment. DHCP option 66 points to a Windows Deployment Server & option 67 to the WDS file.
I've tried "sudo bless –netboot –server bsdp://10.2.0.1" on a client but get "Netboot scheme bspd not supported on EFI systems".
I can get changes to the DHCP scopes if needed -except for the boot server, so I was thinking using something like using DHCP Vendor Class Identifier to specify a different bootp server but have no clues how...
Any ideas?
Cheers
Steve

You might check out the "How to boot across subnets" page at <http://afp548.com/mactips/>. It has a bunch of info.

DLNA Across VLANS

Hi Everyone,
I currently have my home lab setup with 3 vlans. the problem i am having is getting my DLNA server to show up on wireless TV's.
the current setup is vlan 10 is wired and vlan 20 is wireless. i have cisco 3750g and using cisco 1142n AP in autonomous mode.
the DLNA server is in a server 2012 essential machine on vlan 10. all the cisco AP are in vlan 20 making all wireless devices in vlan 20.
i have tried a few configurations changes on the switch and AP to allow multicast but no luck. rather then continue to bang my head against the wall i deiced to check and see if anyone has run into this or has any ideas on how to go about fixing it.
if any more information is need please let me know.
This topic first appeared in the Spiceworks Community

Refer the guide :
http://www.cisco.com/c/en/us/td/docs/wireless/technology/bonjour/Bonjour74/Printer_Services.html

AirPort Utility Across VLANs

I'm trying to connect to all my Airport Extremes at the same time via Aiport Utility. We have 10 VLAN's set up and I'm only able to see the airports on the VLAN I'm connected to. I can ping all the airports so I know I have access to them but they don't all show up in the Airport Utility. All airports are on the same sub-net as well.
Example: I'm hooked up to our 120 VLAN, I can see all airports on that VLAN but can see the one's on the 121 VLAN.
I'm using Lion 10.7.3 and the newest AirPort Utility 6.0. All Airports are less than a year old. I'm trying to run firmware updates without having to run all over the place to connect. Any suggestions or answers would be appreciated.

Provided you don't have any firewall restrictions between VLANs, you should be able to connect to your other airport base stations by going to "File > Configure Other" or hitting Command - Shift - O.
Then you just need to enter the IP address and password of your base station.
Obviously you'll need to know the addresses of the base stations first.
The reason you can't see this is that to discover the base stations, the AirPort utility uses bonjour on a mulitcast address.
Unless you have an mDNS Reflector service running on a machine that's in both VLANs, you won't be able to discover the base stations from a different subnet as mutlicast traffic is not routed between subnets.
Hope this helps.
Regards,
Chris

Dhcp offers leaking across vlans

I have a 2960 poe switch connecting a number of voip phones and an Egdemark voip router on access ports on a dedicated voice vlan. It also connects several trunked access points. The 2960 is trunked to an upstream 3560 that provides ip routing for data vlans.
The Edgemark acts as dhcp server for the voip phones. I'm seeing bootps broadcasts from the Edgemark leak onto the data vlans.
Why is this happening? I fixed this by applying on the 3560 an inbound acl denying bootps originating from 2960.
Appreciate any insight

Hi there,
I´m not sure what the Edgemark voip router does, please attach a link or something so I can have a look :-)
In short
Your 3560 will probably have the vlan and ip configuration. Have you specified "ip helper address" that directs dhcp requests to the edgemark?
The requests are not bound to any vlan and can traverse many networks to get to the destination and back. Depending on you size and design of the nework, the requests can take odd paths to reach the dhcp. Anyway, if you specify the helper address the router will send the request the best way to reach the dhcp. At least, they should not "leak" to any other network that is not specified in the helper address command
If the edgemark is placed locally on the same vlan it will catch the requests anyway so you do not have to do this if the phones are just local as well.
Not sure if that answered your question, but that´s how it works.

Mapping across VLANs

We had part of one building burn early Tuesday morning. We are relocating the departments that were affected. 3 people need to be able to map to a particular server on vlan 10. Currently they can map to another server on vlan 10, but not this one. Does anyone have any suggestions as to what could be wrong? Any help would be appreciated. Laruie Coles

Hello CHJamey,
I just saw your post and I'd like to try to help.
As long as all the VLAN's are known objects in the vSphere, the VIN shouldn't have any issues with mapping out which VMs are communicating with other VMs.
You mentioned applications, could you perhaps be a little more specific? Did you mean Automatic Applications, Manual Applications, or the applications running inside the VMs?
-Michael.

Bonjour across VLANS

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