Multi-VLANs (tagged) over LAG/LACP link on T2600G-28TS 3.0

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Multi-VLANs (tagged) over LAG/LACP link on T2600G-28TS 3.0

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
Multi-VLANs (tagged) over LAG/LACP link on T2600G-28TS 3.0
Multi-VLANs (tagged) over LAG/LACP link on T2600G-28TS 3.0
2024-03-07 13:19:57 - last edited 2024-03-07 13:40:32
Hardware Version: V3
Firmware Version: 3.0.3 Build 20181101 Rel.42543(s)

Hello,

I successfully configured my switch to use LAG(LACP) with 1 untagged VLAN per LAG, and everything works quite fine.

The problem is that I cannot make it work with multi-VLAns (tagged) per LAG: I'm starting to suspect this is not supported.

Can anybody confirm (or debunk) my suspect?

Here is my current config (only relevant parts):

#############################################
!T2600G-28TS
#
vlan 22
 name "lab"
#
vlan 33
 name "storage"
#
hostname "garage"
location "DK"
contact-info "GFcyborg"
serial_port baud_rate 38400
#
logging file flash
logging file flash level 4
#
...
#
jumbo-size 9216
#
...
#
spanning-tree
spanning-tree mode rstp
#
ipv6 routing
#
#
port-channel load-balance src-dst-ip
lacp system-priority 0
#
loopback-detection
#
#
interface port-channel 1
  description "Reserved:uplink"
  duplex auto
  shutdown
#
...
#
interface port-channel 3
  description "NASo/vlan33"
  duplex auto
  switchport general allowed vlan 33 untagged
  switchport pvid 33
  no switchport general allowed vlan 1
  spanning-tree
  loopback-detection
#
...
#
interface port-channel 5
  description "Prolax/vlan33"
  duplex auto
  switchport general allowed vlan 33 untagged
  switchport pvid 33
  no switchport general allowed vlan 1
  spanning-tree
  loopback-detection
#

interface vlan 1
  ip address-alloc dhcp
  description "family net"
  ipv6 enable
#
interface vlan 22
  ip address 10.22.2.4 255.255.255.0
  description "lab net"
  ipv6 enable
#
interface vlan 33
  ip address 10.33.3.4 255.255.255.0
  description "storage net"
  ipv6 enable
#

interface gigabitEthernet 1/0/1
  description "Up: UDM/p2_eth1"
  eee
  spanning-tree
  
  ip igmp snooping immediate-leave
  loopback-detection
#
interface gigabitEthernet 1/0/2
  description "Up: UDM/p3_eth2"
  eee
  switchport general allowed vlan 22 untagged
  switchport pvid 22
  no switchport general allowed vlan 1
  spanning-tree
  
  ip igmp snooping immediate-leave
  loopback-detection
#
...
#
interface gigabitEthernet 1/0/5
  description "Naso/p1_eth0"
  eee
  spanning-tree
  
  ip igmp snooping immediate-leave
  loopback-detection
#
interface gigabitEthernet 1/0/6
  description "Naso/p2_eth1"
  eee
  switchport general allowed vlan 22 untagged
  switchport pvid 22
  no switchport general allowed vlan 1
  spanning-tree
  
  ip igmp snooping immediate-leave
  loopback-detection
#
interface gigabitEthernet 1/0/7
  description "Naso/p3_eth2"
  eee
  switchport general allowed vlan 33 untagged
  switchport pvid 33
  spanning-tree
  
  ip igmp snooping immediate-leave
  channel-group 3 mode active
  lacp port-priority 0
  loopback-detection
#
interface gigabitEthernet 1/0/8
  description "Naso/p4_eth3"
  eee
  switchport general allowed vlan 33 untagged
  switchport pvid 33
  spanning-tree
  
  ip igmp snooping immediate-leave
  channel-group 3 mode active
  lacp port-priority 0
  loopback-detection
#
...
#
interface gigabitEthernet 1/0/13
  description "Prolax/enp3s0f0"
  eee
  spanning-tree
  
  ip igmp snooping immediate-leave
  loopback-detection
#
interface gigabitEthernet 1/0/14
  description "Prolax/enp3s0f1"
  eee
  switchport general allowed vlan 22 untagged
  switchport pvid 22
  no switchport general allowed vlan 1
  spanning-tree
  
  ip igmp snooping immediate-leave
  loopback-detection
#
interface gigabitEthernet 1/0/15
  description "Prolax/enp4s0f0"
  eee
  switchport general allowed vlan 33 untagged
  switchport pvid 33
  spanning-tree
  
  ip igmp snooping immediate-leave
  channel-group 5 mode active
  lacp port-priority 0
  loopback-detection
#
interface gigabitEthernet 1/0/16
  description "Prolax/enp4s0f1"
  eee
  switchport general allowed vlan 33 untagged
  switchport pvid 33
  spanning-tree
  
  ip igmp snooping immediate-leave
  channel-group 5 mode active
  lacp port-priority 0
  loopback-detection
#
...
end
##################################
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#1
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3 Reply
Re:Multi-VLANs (tagged) over LAG/LACP link on T2600G-28TS 3.0
2024-03-07 13:27:20

  @GFcyborg 

 

My goal would be to create an uplink LAG/LACP (with gigabitEthernet 1/0/1-2) carrying many tagged VLANs (1, 22 and 33).

I couldn't get to make this work. I had to pick only 1 untagged vlan per LAG.

:-(

help!

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#2
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Re:Multi-VLANs (tagged) over LAG/LACP link on T2600G-28TS 3.0
2024-03-07 13:31:54 - last edited 2024-03-07 13:32:45

  @GFcyborg 

This official guide: https://www.tp-link.com/us/support/faq/2396/

seems to confirm my suspects: only 1 untagged VLAN per LAG :-(

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#3
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Re:Multi-VLANs (tagged) over LAG/LACP link on T2600G-28TS 3.0
2024-03-08 01:23:40

Hi @GFcyborg 

Thanks for posting in our business forum.

GFcyborg wrote

  @GFcyborg 

This official guide: https://www.tp-link.com/us/support/faq/2396/

seems to confirm my suspects: only 1 untagged VLAN per LAG :-(

There has to be AN UNTAGGED network on the port. Or this port is completely useless?

And you cannot remove the PVID on a port.

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