A trunk is a connection between switches where multiple VLAN's pass.
0
votes
0answers
18 views
link (trunk )2 home switch together [migrated]
Can i link two home switch (not professional like cisco) togeher in this way:
router 1 -> switch 1 -> switch 2
router 1 -> switch 2 -> switch 1
I want that when switch 1 goes down i still have ...
-3
votes
1answer
40 views
How do I configure my PBX? [closed]
I have two PBX, one has setup a sip trunk, but I have to get another trunk calls from the other pbx,
I have two Elastix PBX;
How do I configure my PBX "A" then my pbx calls "B" for the SIP trunk
...
0
votes
0answers
12 views
nortels switch and bonding interfaces (ifenslave)
I have an host with 2 NIC connected to two switches(nortels) and these switches are connected to the same nortel 5530 with 2 different MLT (Nortel proprietary trunking protocol).
I want to perform ...
1
vote
0answers
25 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 ...
1
vote
3answers
196 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 ...
-4
votes
1answer
60 views
0
votes
2answers
93 views
VLAN centralised management
I wonder if there is a proper way to setup a 10 DLINK switches VLAN system. My aim is to have one computer/central switch that would broadcast the whole VLAN setting across the other switches and as ...
1
vote
0answers
125 views
TP-LINK to HP switch connectivity issue
I have purchased 2 TP-LINK SG3424P switches to power PoE access points. Half of them are connected to one TP-LINK switch that is then connected through a trunk port to a Cisco 3560X and the other half ...
4
votes
1answer
247 views
Procurve Primary VLAN
I'm trying to depreciate usage of VLAN 1 on my ProCurve switches; 1 is unused. I understand that VLAN 1 must exist, but I want to remove it from all ports, especially trunks between switches.
The ...
1
vote
0answers
69 views
SMC Tigerswitch and HP Procurve wouldn't connect with fiber
the first thing that I don't understand is why the SMC switch considers the pair of single mode fibers as one port,one link, but the HP switch sees the two fibers as two ports.
when I wanted to ...
-1
votes
1answer
174 views
link aggregation in esxi5 + aggregation on the switch + freebsd9 = an aggregated link that do not work
i have a 6 port intel server nic. under the settings on ESXi5, i aggregated 4 of the ports.
i have ZFSGuru running on the VM, which is based off of FreeBSD 9, iirc. this VM has two interfaces, an ...
1
vote
1answer
166 views
Asterisk outbound calls hanging up imediatellly on Zap trunks
The inbound calls work fine. Outbound calls fail as follows:
Dial("SIP/xxxxxxxxx","ZAP/g0/14442223333|300|")
Couldn't call g0/14442223333
Hungup 'Zap/2-1'
Everyone is busy/congested at this time
...
1
vote
0answers
406 views
Windows 8 Hyper-V & VLANs
I'm trying to setup Windows 8's Hyper-V so that I have:
Switch which has 2 VMS connected to it
Vyatta box which is connected to said switch and set as trunk (native vlan 1, allowed vlans 1-4000)
...
0
votes
2answers
2k views
VLAN trunking between Juniper EX -> Cisco Catalyst -> and Cisco Router
I have the following scenario:
EX2200 Switch whit
ge-0/0/8 set as an access port on VLAN 80
ge-0/0/0 set as a trunk
port connected to a catalyst switch and various vlans allowed to pass includin ...
-2
votes
2answers
116 views
Linux OS with GUI based multiple vlan support [closed]
Is there a distribution of Linux that includes support in the gui for managing 802.1q (trunks)
We have techs in the field that may need to change from one vlan to another but don't know Linux CLI at ...
1
vote
0answers
538 views
Cisco 891w multiple VLAN configuration
I'm having trouble getting my guest network up. I have VLAN 1 that contains all our network resources (servers, desktops, printers, etc). I have the wireless configured to use VLAN1 but authenticate ...
2
votes
1answer
1k views
Configuring Sonicwall to route VLAN traffic to internet
I have a Sonicwall NSA 2400 that had its configuration reset and I'm having trouble reconfiguring it.
The Sonicwall's WAN port (X1) connects to the internet. Its LAN port (X0) connects to a 3Com ...
0
votes
1answer
227 views
VLAN with trunk to avoid broadcast storm in a network with redundant paths
I have 6 Juniper switches (EX - 2200) connected to each other as shown in the network topology.
I have two PC's that I am using
PC1 - (used for configuring the 6 switches via minicom)
PC2 - to ...
0
votes
2answers
627 views
VLAN support on Juniper EX - 2200 switches
I have 6 Juniper switches (EX - 2200) connected to each other as shown in the network topology.
![enter image description here][1]
I have two PC's that I am using
PC1 - (used for configuring the 6 ...
2
votes
1answer
433 views
Setup VLAN agnostic ports on HP ProCurve 1810G (Ingress Filter, Trunking)
I am wondering if it is possible to configure some ports of the web managed ProCurve Switch 1810G to participate in all VLAN traffic. Even if no VLAN with that ID has been set up inside the switch.
...
0
votes
0answers
748 views
Trunking between Cisco 1800 router and Cisco Catalyst 2960 switch
I would like to establish trunk between Cisco router 1812 and Catalyst 2960 switch. What I would like to have is that router gets ip address on his fe0 interface and on fe2 provides trunk with 3 VLANs ...
1
vote
0answers
308 views
HP E3800 switch to switch LACP connection dropping
I have a problem with 2 sets of stacked (2 switches in each stack) HP E3800 48 port switches. One set of stacked switches per rack for a total of 4 switches. I have a 4 port static LACP connection ...
0
votes
2answers
3k views
How to configure Cisco SG 300-28 for Trunking?
I just picked up two Cisco SG 300-28 switches. I'd like to trunk ports 25-28 for trunking between the two units. I'm just not sure how to do this.
The reason for trunking is that we're using a ...
-2
votes
1answer
297 views
Inbound Caller gets Fast Busy and Extension gets ringing
Inbound caller (1636) calls a sipstation direct dial to my phone on my desk.
Cellphone sounds like fast busy but then desk phone rings.
Cant connect the call. then when desk phone hangs up It ...
0
votes
1answer
300 views
What are the possible reasons for a SIP register failure?
I have setup an Elastix box (asterisk/freepbx based) and added a trunk for an external VoIP provider.
When I get to the Asterisk command line interface and type sip show registry I always get the same ...
2
votes
2answers
2k views
Stacking two Netgear GS748TS switches via HDMI - only 1Gbps trunk bandwidth?
I have two Netgear GS748TS 48 port gigabit stackable switches, which when stacked via two HDMI cables allow hosts on one of the switches to talk to hosts on the other.
Netgear claim that the HDMI ...
0
votes
1answer
89 views
How to place KVM VMs on several hosts in the same network, with one of the VMs as the DHCP server
I have a KVM host running on Centos. I have 3 Virtual machines installed on this host. Host is connected to a Nexus (Cisco). Virtual machine is able to get Internet. Everything is working fine. Now I ...
1
vote
1answer
2k views
Is it possible to have 802.1Q trunk port on Windows Server 2008?
I would like to have multiple vlans on Windows Server 2008 machine. Is there any way how to configure trunk port on Broadcom NetXtreme adapter on this OS ? Thank you.
0
votes
1answer
268 views
What is the best way to connect a dual LAN server to two trunked switches?
In an older quetion "Best practice to trunk two GB switches?" I asked about how to trunk two switches. I now used a static link to connect them and it runs well. Now I am not sure on how to connect ...
2
votes
4answers
350 views
Trunk fiber ports on switches
We are planning to purchase new switches for our network. We have three buildings in the same area that are all connected by fiber. Our main building is very large and needs to be connected by fiber ...
8
votes
3answers
904 views
HP Procurve Issue Passing Multiple VLANs over a link
Just to start off with I am a Cisco guy that got placed into an HP project.
Basic topology overview from outside in:
ASA 5505 with two Ethernet connections to a 2610 switch.
This switch is then ...
1
vote
1answer
292 views
Possible to connect (trunk?) two Cisco 3560 switches from remote locations?
Disclaimer: I'm not a network guru but I do learn quickly! Bear with me.
Situation: I have a colo setup which is comprised of several servers, a iscsi SAN, connected with a Cisco 3560G switch, ...
1
vote
1answer
1k views
How do you configuring vlans/trunk on a Cicso ASA 5510
I have a Cicso ASA 5510 that I want to connect to 2 Dell PowerConnect 5500 linked in a Switch Stack. I want to connect a trunking line to each switch so if one switch dies the other works. The ...
0
votes
1answer
209 views
Multiple ethernet interfaces without PCI LAN cards
I want to have multiple Ethernet ports on my Ubuntu server 10.04. As multi port LAN PCI card are expensive, I am planning to use a cheap managed switch. The cheapest one I found was Netgear GS108T. ...
1
vote
1answer
196 views
vlan 1 and 1002-1005 in a trunk connection-should they be allowed?
If I have a trunk connection that should allow only two VLANs(100 and 200 for example), is it neccessary to also allow the default vlan 1 or VLANs 1002-1005. I am trying to configure a switch port for ...
3
votes
1answer
4k views
HP Procurve 1800 Switch-to-Switch Trunks and LACP (and VLANs too!)
I am considering connecting two (and possibly three) HP Procurve 1800 switches together with trunks or with LACP. I can't find any substantial answer to my questions via Google or here.
I did find ...
19
votes
3answers
2k views
What happens when a consumer switch receives a VLAN-tagged Ethernet frame?
Suppose you connect a trunk port from a VLAN capable network switch to a (VLAN incapable) consumer-grade network switch via a direct cable. Now the former switch send the later switch a 802.1Q-tagged ...
7
votes
3answers
2k views
Cisco and Linux and Vlans
I appear to have some fundamental misunderstanding of how VLANs work on Linux, and I'm hoping the good people here can educate me.
Cast: One Cisco 3560, one VLAN, and one Linux box [1].
Cisco ...
1
vote
1answer
168 views
Trunk port wont accept the Printer vlan
I have three switches daisy-chained together and I have a printer vlan serviced with a print server off the core (1st) switch. the middle switch trunk port will not accept the printer vlan. I issue ...
0
votes
1answer
397 views
VLAN Trunk (Dell 6248 & SMC 8748M)
I have managed to make my VLAN work on both switches :
Computer #1 from Dell Switch port #20 (VLAN #2) can ping Computer #2 from SMC Switch port #21 (VLAN #2)
What I need to do is :
Laptop on ...
2
votes
1answer
498 views
Cicso ASA 5505 with 2 trunk interfaces
(Updated with config, see bottom).
I've a question regarding the ability of a Cisco ASA 5505 to handle two trunked interfaces when sitting between two switches.
I've gone to the trouble of drawing a ...
1
vote
1answer
2k views
Best practice to trunk two GB switches?
I already read some similar questions but I still have no clue on how to do it the right way. I have a D-Link DGS-1248T 48 port GB-switch with 4 mini GBIC ports and I want to connect it to another ...
0
votes
1answer
492 views
How to change root directory of a SVN repository to trunk without moving all files?
Ok, here is my issue. I created a repository long time ago when I was not familiar with administrating a subversion server. I knew that it would be a good idea to have a "trunk" folder to work in. So ...
2
votes
3answers
4k views
How to setup dual-wan trunking but keep one as main… (Weighted round robin, Least load first, spillover)
I'm working on setting up a zywall USG-100 firewall.
I can get everything to work but now I'm trying to get the 2 wans to work correctly.
They both work individually but I'm having trouble with the ...
1
vote
1answer
800 views
Trixbox won't accept incoming calls on IAX trunk
any trixbox/asterisk experts out there?
I have a trixbox installation that refuses to accept incoming calls via IAX2 from a certain VoIP provider. Initially, I thought it was a firewall problem but I ...
29
votes
2answers
16k views
How do VLANs work?
What are VLANs? What problems do they solve?
I'm helping a friend learn basic networking, as he's just become the sole sysadmin at a small company. I've been pointing him at various questions/answers ...
2
votes
1answer
150 views
Network topology, clearing congestion
Our networking components consist of (3) x D-Link DGS 1248T Switches, and a router.
We have 4-5 servers running as VMWare Host, HTTPD, and Storage.
The clients on the network are connected to the ...
2
votes
2answers
8k views
VLANs through a trunk between Dell Powerconnect 6248 and 2848?
I have a Powerconnect 6248 connected to a 2848 and I am trying to get VLANS working on the 2848.
VLANS work and receive DHCP addresses, traffic routes correctly and DNS works on the 6248.
The DHCP, ...
2
votes
2answers
460 views
Planning trunk capacity for multiple GbE switches
Without measuring throughput (it's at the top of the list; this is just theoretical), I want to know the most standard method for trunking VLANs on multiple Gigabit (GbE) switches to a core Layer 3 ...
1
vote
1answer
171 views
What is SIP trunking?
Can someone explain to me in plain English what SIP trunking is, please? I've read about it on Google, but I don't really grasp it yet. Does it allow a VoIP call to be placed outside of the LAN? So ...
