Questions tagged [trunk]

For questions about trunks, layer-2 links across which traffic for multiple VLANs travel.

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5
votes
2answers
4k views

The best way to understand Vlans?

Every time i try reading about the configuration of a device and adding it to the network, i always face a problem. The problem is basically am not able to understand Vlan's, and how for example some ...
3
votes
1answer
2k views

spanning-tree port type edge trunk on port-channel vs physical interface

If i configure spanning-tree port type edge trunk on physical interface instead of port-channel does that work? Or i have to do spanning-tree port type edge trunk on port-channel ? Example: ...
5
votes
2answers
2k views

Juniper trunking with two links (not using LAG)

Some reason I'm drawing a blank on this. Let's say I have two EX switches connected together with 2 links to each other (xe-0/1/0 and xe-0/1/1 on both switches). I can easily setup a trunk on one of ...
4
votes
1answer
2k views

What happens with tagged traffic on access port of Cisco switch?

I am broading up more this unanswered question: VLAN tagging and access port Let's assume I am trying to accomplish Double Tagging Attack. From my understanding, prerequisites of this attack is to be ...
2
votes
1answer
293 views

HP V1910 - Why is tagged traffic going to VLAN1?

HP(3Com) V1910 switch with 2 vlans: VLAN1 (native) and VLAN191 The Trunk Port is configured like this: Why are frames tagged for '191' also being forwarded to VLAN1? Any ideas. Thanks
1
vote
1answer
773 views

VTP not working in all switches

In server: C3650-48TS, 03.03.05SE SW01#sh vtp sta VTP Version capable : 1 to 3 VTP version running : 1 VTP Domain Name : TEST VTP Pruning Mode : ...