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

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624 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 ...
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4answers
2k 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 ...
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2answers
3k 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 ...
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1answer
734 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, ...
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1answer
4k 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 ...
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1answer
248 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. ...
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1answer
794 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 ...
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2answers
15k 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 ...
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3answers
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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 ...
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3answers
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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 ...
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1answer
261 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 ...
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1answer
626 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 ...
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1answer
2k 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 ...
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2answers
6k 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 ...
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1answer
2k 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 ...
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3answers
24k 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 ...
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1answer
1k 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 ...
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2answers
78k 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 ...
3
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1answer
197 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 ...
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2answers
14k 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, ...
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2answers
620 views

Planning trunk capacity for multiple GbE switches [duplicate]

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 ...
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2answers
226 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 ...
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2answers
776 views

Netgear FS726TP Internal VLAN

I have some Netgear FS726TP switches that are tied to a core switch using VLAN trunking. I have the switch split up so that certain ports are on certain VLANs, but we also have an "administrative" ...