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Questions tagged [trunk]

A trunk is a connection between switches where multiple VLAN's pass.

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1answer
15 views

Trunk Group in Aruba Switches

Please help to clarify a doubt I have. I need to configure a Aruba JL357A 2540-48G-PoE+-4SFP+ Switch that will be connected with 4 other switches using the SFP ports. So each port will be set to ...
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60 views

VLAN tagging on bridged Xen VM

I am a little confused regarding VLAN tagging and how it works on bridged virtual machines. I am testing an XCP-ng Hypervisor (Xen type-1) that I run as guest VM on Windows and VMware Workstation. ...
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1answer
42 views

Edge-Core selective QinQ and tagged vlans

I'm trying to pack some vlans with selective QinQ. I need to inject VID 19,18 to VID 15. #Port facing SP interface ethernet 1/18 switchport allowed vlan add 15 tagged switchport dot1q-tunnel mode ...
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17 views

Communication is not happening after configured multiple VLAN's on a trunk port of raspberry pi device

I have configured multiple vlan's on a trunk port of Raspberry pi device. but whenever i try to connect these vlan's from the MHN server then i am not able to connect. I can able to ping all VLAN's ...
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1answer
278 views

Configuring Data and Voice VLAN Cisco SG300

I have a Cisco SG300 managed switch I am attempting to configure to handle two VLANs one for data (VLAN1) and another for voice (VLAN20). Ports 1 and 52 are configured to trunk to the router/...
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1answer
106 views

Why do I need to configure a Trunk port?

I am relatively new to networking; I love to learn, but like to firmly grasp a concept before I move on. This being said, I researched what a trunk port is and I found this definition: [It ...
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1answer
36 views

How to configure second wireless router via VLAN trunk? [closed]

I am trying to figure how to configure the second wireless router, but I got stuck while trying to get the following configuration: For all VLANs (0-3), the primary router is the DHCP server for IPv4 ...
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1answer
1k views

configure trunk interface in linux centos7

I have connected 2 trunk interface to server(centos 7 server) nic port for setup vlan tagging. And have enabled 8021q module in server. Configure two physical interfaces as bonding as below ...
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125 views

Cisco IOS Switch Native VLAN

I have a Cisco switch (2960x) that connects a wireless access point to the network. It has 3 SSIDs, 1 that is forwarded on the native vlan (untagged etc) and 1 (guest network) that's forwarded tagged ...
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2answers
102 views

Combine two ports into one

I have a Cable Modem which an approx. 1200 Mbit download speed connection to the internet. Unfortunately the modem splits the download into across ethernet ports - i.e. 600 MBit each. The Cable Model ...
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0answers
233 views

Trunk port from Cisco Catalyst to EnGenius

I'm having trouble creating a trunk port on a Cisco Catalyst 3750 to uplink to an EnGenius wireless controller. The old setup used Port-channels to connect to the old Cisco controller and to other ...
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1answer
500 views

Trunk mode with HP Switches

I am facing a problem within my network. The scenario is this. I have two HP 2920-24G Switch (J9726A). They are connected with each other and also both are connected to a HP V1910-24G Switch (JE006A)...
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1answer
43 views

Is Level One's Trunking feature like LAG/Etherchannel or is it used for VLANs?

I have a couple of Level One GSW-2476 switches. They allow setting a port's membership in one of eight trunks. Up until now, I thought of trunking as being like LAG groups, i.e. load balancing/...
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2answers
1k views

ESXi Trunk Load-Balancing with two Switches

My ESXi hosts are connected to two switches as described in figure 1. When i configure the Load-Balancing method of the trunks to "IP-Hash" the virtual hosts are flapping in between the portchannel-...
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1answer
82 views

Vlan Trunk between SonicWall Soho Wireless N and Allied Telesis Switch

Hi I have the same problem I have SonicWall Soho Wireless N router, I made 3 Vlans ont the interface X0, I Created dynamic DHCP for each Vlan; I have Allied Telesis Switch where I create the same 3 ...
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1answer
3k views

SIP registration timed out

I am facing trouble in registering asterisk to sip trunk. When i do >sip show registry, it shows SIP request is send but never gets response back. I cannot even ping sip.flowroute.com. My firewall is ...
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1answer
974 views

Is it possible to trunk ESXi 6.5 with HP 1820-48G?

I am trying to setup trunk between those two (ESXi 6.5 with HP 1820-48G) and nothing seems to work. I have read vmware kb article (can not insert link) and no luck. These are my setup options, brute ...
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0answers
306 views

Hyper-V VLANS working, but VLAN trunk does not. Native VLAN works.. WEIRD,

Trying to get VLAN & Trunking to work in Hyper-V. I have two VM's on the same Network. SCVMM and Host1. Host1 should be a Trunk for VLAN 7-12 and Native VLAN 10. I then put SCVMM on VLAN7 via the ...
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0answers
76 views

Setting up an Inter VLAN for new building

Have added a building to our existing motel business setup and looking to utilise a fibre trunk to share a single internet connection between an open guest network (LAN and WiFi to guest rooms) and ...
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1answer
604 views

how to make Windows server 2012R2 NIC connect to trunk,but with a VLAN ID

Windows Server 2012R2 ,with hyper-v. for hyper-v 's guest os connecting to multi vlan, host 's NIC connect to trunk port on switch hub. but I want set host os with VLAN ID(VLAN 10) ,for with a VLAN 10 ...
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1answer
83 views

Lync 2013 SIP Trunk with credentials?

We have a Lync 2013 installation and are currently in the process of testing SIP functionality. Our current SIP trunk requires a username and password to authenticate. I can't find an awful lot of ...
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0answers
199 views

VLANs with mixed MTUs trunked over a LAG

I'm contemplating enabling Jumbo frames for a specific network/VLAN (a dedicated storage network). Ports are spread across two switches, linked together using a LAG, which is configured to carry all ...
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1answer
905 views

Cisco 3750G: Tagging and untagging traffic on a port

I have the following setup: [phone]-~-~-~-(port-10)[Cisco 3750](port-24=trunk)----[servers] I want the phone to talk only on vlan (say 1940), where-as Cisco switch to untag/tag its traffic, as goes ...
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1answer
596 views

Manage Windows Server 2012 and trunk the Hyper-V VM (same physical NIC)

I'm trying to use Hyper-V to deploy a pfSENSE box inside of it. But, the scenario is: 3 VLANs VID: 1000 VID: 2000 VID: 3000 On a physical switch port, I've tagged the Server physical port with ...
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1answer
662 views

Can not ping from specific vlan tagging interface

On my box I have following interfaces(vlan tagging): eth2.556: 172.16.1.17 eth2.201: 192.168.208.143 All default route via 172.16.1.1 I can ping all other IP using 192.168.208.x, but can not ping ...
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1answer
260 views

VMWARE: How to trunk 4 x 1Gbit Ports for a Virtual Machine Port Group

Yesterday i asked this Question: VMware NIC Teaming - How to gain more than 1Gbit/s copy speed between two VMs? I had a missunderstanding about the "NIC Teaming" --> "Load Balancing" options in ...
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1answer
1k views

D-link DAP-2695 VLAN configuration

Well... I thought I had this all figured out... I am essentially reopening this same question I had 2 years ago (Reference: D-link DAP-2590 VLAN configuration) I got it all figured out back then and ...
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1answer
440 views

vlan tagging between l3 and l2 switches

I have three layer 2 swtiches, and 2 layer 3 switches. g40 on layer 3 switch (which is used to talk to a Layer2 dell switch). Is currently set up as an access port. I have a series of access points ...
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1answer
203 views

Bond on top of VLANs or VLANs on Top of Bond

Both ways seem possible. What is the better approach within Linux? Better means more efficient assuming my switch doesn't know about LACP+Tagging. Thanks!
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1answer
524 views

Asterisk Dialplan Siptrunk dial user input

I have an SIP Trunk on my Asterisk box. So my Asterisk box has one public number and 100 internal numbers. external number: 0030XXXXXXXX internal numbers: 2000, 2001, 2002, 2003 ... and so on I ...
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2answers
3k views

Can't dial through SIP trunk: FreePBX/Asterisk

I set up a SIP TRUNK in FreePBX/Asterisk that works perfectly for incoming calls. Here' s the relevant configuration: type=friend host=201.217.31.10 callerid=mynumber username=595XXYYZZZZZZ@prepago....
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0answers
291 views

Can pvlan-trunk Ports Carry normal vlans too on Juniper EX8208?

I'm trying to implement pvlan on Juniper EX8208 which will span across multiple switches (to a Cisco nexus 7000 Series) and need to know if the Inter-Switch-Link Port with "pvlan-trunk" will allow ...
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1answer
41 views

Migrating existing clustered virtual network to a trunk

We have a 3-host VMWare vSphere v4.1 cluster that has a connection to an untagged network (let's call it 192.168.10.0) using two physical adapters, vmnic1 and vmnic2. Both are currently marked as "...
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1answer
296 views

“Dynamic” access point and port authentication

Here is the context of the question: I have multiple switches with port-authentication (MAC based or 802.1X). Each switch are connected with a trunk port statically configured. One vlan for ...
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1answer
5k views

Configuring trunk port on Cisco Catalyst switch to serve DHCP settings for multiple VLANs

I am trying to configure a trunk port to serve single DHCP settings for multiple VLANs. I tried the following configuration, but to no avail. switchport mode trunk switchport trunk allowed vlan 10,...
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2answers
4k views

Allow specific SIP connection FreePBX

Hey I am using FreePBX with firmware: 5.211.65-14 and service pack 1.0.0.0 On this asterisk server I have everything up and running, but inbound phone calls might be rejected: WARNING[56522][C-...
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0answers
521 views

Untangle running on ESXi sending tagged VLAN to Cisco switch not working

basically here is my setup: [Host A] = A hypervisor running ESXi 5.0 [Switch A] = A Cisco 2960-S Series 48 port switch [Switch B] = A Cisco 2960-S Series 48 port switch [P-Router] = A physical ...
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0answers
163 views

Do you need STP on ProCurve trunks?

We have 3 switches - a Core Switch, and 2 downstream switches. Each downstream switch has a 3 cable Trunk direct to the core switch. However - when we disconnected one cable in that trunk group (...
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1answer
231 views

ProCurve Trunking

We have 3 switches at the moment - see the diagram below for NOW. Essentially the CORE switch is 7, and 8 and 9 have a 3 cable trunk each to 7. Now, we want to add Switch 5 to the equation - see ...
2
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1answer
437 views

Tagged Packets on native VLAN General Port

Scenario a) I have a Switchport (g1) in General-Mode. Say g1 is member of VLAN1 (native, untagged) and VLAN2 (tagged). Another Port (g2) is in Trunk-Mode, and member of VLAN1 and VLAN2 If i send a ...
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1answer
12k views

Multiple, different VLAN trunks to KVM guests (Linux)

I've hit a roadblock of sorts with an architectural challenge. I've got a server running KVM - which will feature a number of guests, some running virtualised firewalls and others, just plain web ...
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1answer
3k views

HP Procurve Core Switch Architecture

I want to build a new 'core' for our network. We currently have a 3com 4060 switch acting as the core, connecting all the other TOR and access switches together. The goal is to add resilience into ...
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1answer
2k views

ESXI 5.1 - Losing access to management interface on vSwitch1 when vSwitch0 loses network access

I'm probably missing something obvious here, but, I am trying to make some adjustments to the Vkernel Port management interface on vSwitch0 that is set to VLAN ID: All (4095). So I don't disconnect ...
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1answer
5k views

ESXI 5.1 - Unable to trunk to cisco switch

I have configured my esxi host vSwitch1 to use the secondary NIC on my VMware host. On vSwitch1 configuration I have set the VLAN to 4095 which specifies to allow all VLANs. If my cisco switch port ...
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2answers
20k views

Setting Up VLANS between a Dell PowerConnect 2824 and 2716

Goals: - Have two Dell switches trunked together with 1 cat5 cable. - Have VLANs of the same number/name passing traffic from switch to switch. - Not allowing any traffic from one VLAN to pass to a ...
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5answers
33k views

Difference between trunk and tagged port

I am reading some wikipedia articles and RFC 5517, studying VLANs, and I don't recognize the difference between a trunk port and a tagged port. From what the material I am reading says, a tagged ...
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1answer
1k views

Asterisk trunk SIP

I have a problem with trunk SIP when I connect my Asterisk to my provider and the Internet connection is lost, the trunk SIP will be unreachable, the problem consist is all local extension are ...
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0answers
170 views

intel MFSYS25 blade server- trunk port configuration

Can any one help me configure the Intel blade MFSYS25 switch module to communicate to Cisco devices through trunk? I tried for many hours, seems it doesn't work! There seems to be no documentation on ...
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3answers
3k views

Cisco 2960 trunking issue

I have a Cisco 2960 running 12.2(58) SE2 with four VLANs configured (10.10.10.0/24 - 10.10.40.0/24) plus one uplink on a 192.168.1.0/24 network. I have enabled ip routing and the VLANs can talk ...
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1answer
164 views

Difference between GBIC and SFP [closed]

What is the difference between GBIC, SFP, SFP+?