Questions tagged [trunk]
For questions about trunks, layer-2 links across which traffic for multiple VLANs travel.
187
questions
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access to the switch from another network does not work
Eve ng development environment.
There is no access from another subnet to the switch.
The switch has an int vlan 100 with an ip address, trunk port and ip default-gateway 192.168.100.1.
The router has ...
0
votes
0
answers
72
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Configuring VLAN Trunk on JunOS
I have a Juniper EX-4300-48P and I was trying to test out connecting it to a TP-LINK TL-SG108E and the intended network flow is as follows:
EX-4300-48P Interface ge-0/0/0 set to trunk VLAN 121,125,126 ...
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1
answer
174
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SOLVED - Quanta LB6M Trunk and Vlan
I have 2 Quanta LB6M and a Juniper EX4200 and need to create vlan and trunk
For vlan interface i have this:
interface 0/27
vlan pvid 31
vlan participation exclude 1
vlan participation include 31
exit
...
- 11
0
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1
answer
140
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Non VLAN Tagged Traffic Not Going Through Trunk Between Cisco Switches
Good day all.
I am running through a packet tracer exercise and am stuck on where to go next. Forgive me if I am missing something obvious, I have not touched any cisco networking or networking in ...
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1
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85
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Switch Configuration - Change the trunk allow VLAN
May i know any service interruption if i issue the command on changing the trunk allowed vlan on both end:
switchport trunk allowed vlan 10, 20, 30 to switchport trunk allow vlan 10, 20, 30, 40
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1
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1
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286
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Why its need to use trunking when using etherchannel? [duplicate]
what's the reason to use trunking by using the 2 below commands:
switchport trunk encap dot1q
change the mode to trunk
between EtherChannel ports
the second question why to make native vlan under ...
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0
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341
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Cannot tag an interface for a specific VLAN : % Error: Tagged flag mis-match Te 0/3
I trying to tag an interface for a specific VLAN on a Dell S4810 :
S4810#show run int ten 0/3
!
interface TenGigabitEthernet 0/3
no ip address
mtu 12000
switchport
flowcontrol rx on tx on
no ...
- 135
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1
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59
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what is the relation between DTP and VTP?
the ideas behind VTP & DTP are different, then why do we need to make sure that the VTP domain on both sides is the same otherwise the DTP will not work?
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0
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250
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Can't Pass 1 VLAN Through Trunk
I have 2 Cisco switches running IOS with VLANS 20,30,40,50. On SWITCH1 I have servers on Ports 1,2&3 on VLAN 30. I also have a laptop on port 5 on the same VLAN 30 and can ping the servers. They ...
- 461
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1
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317
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No Ping Through Cisco Trunks
I am trying to ping on my management VLAN across a trunk between 2 Cisco switches. Both switches have the following configs
interface TenGigabitEthernt1/1/1
switchport trunk native vlan 5
switchport ...
- 461
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4
answers
3k
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Communication between different VLANs
In my previous understanding, there is no way to communicate between two VLANs using only layer 2.
After all, this is the purpose of having VLAN.
I found a forum that claims the following.
1.VLANs can ...
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0
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895
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Nexus 7706 - switchport trunk allowed vlan not working - all VLANs are being allowed
I noticed that my two Nexus 7706 do not limit the trunk VLANs to what switchport trunk allowed vlan is set to.
Sample configuration:
interface Ethernet1/15
switchport
switchport mode trunk
...
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2
votes
1
answer
671
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How do you drop (or ignore or filter) all untagged traffic on an 802.1q trunk port?
This answer says "[a] trunk has optionally one untagged VLAN and many tagged VLANS."
I always thought specifying switchport mode trunk would drop untagged frames at that port, but that ...
- 189
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3
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491
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What does `switchport trunk native <n>` do when in `switchport mode trunk`?
According to this article Cisco recommends VLAN 99 for the "native VLAN".
But what is the point when operating under switchport mode trunk?
Doesn't switchport mode trunk filter all tagged ...
- 189
-1
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1
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78
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aggregating Cisco 2960 ports with Cisco 3850
I'm new to networking. I have two switches: Cisco 2960 & Cisco 3850. I want to connect 4 Trunk ports of these switches to each other. Since Cisco 2960 port speed is 1G and Cisco 3850 is 10G, I ...
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