PVID 0 on HP Procurve 5412 and no untagged vlan 1

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Hello,

configuration a new switch and adding ports to vlans

I am little confused with - no untagged vlan on a port - I am seeing pvid of 0 - i assume it vlan 0 and how is this different from vlan 1?

can someone explain?

har-core-01(vlan-222)# [b]display port trunk[/b]

Interface    PVID  VLAN passing
A1                   0     2, 10
A2                   1     2, 10, 16, 40, 44, 48, 52, 81, 100, 222, 400, 630, 666
A3
A4

B1
B2                   0     2, 10, 21-22, 40, 44, 48, 52, 81, 102, 222, 400, 666
B3                   2     21-22, 52
B4
B5                   1     2, 10, 16, 40, 44, 48, 52, 81, 100, 102, 222, 400, 630, 666
B6
B7                   1     2, 10, 32, 40, 48, 52, 100, 222, 251-254, 400

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and

note below - port A1 is no untagged to vlan 1 - thus defaulted to vlan 0

vlan 1

   name "DEFAULT_VLAN"

   no untagged

 A1,B2-B4,B6,B9-B24,C1-C5,C7-C11,C13-C15,C18-C19,C22-C23,D1-D11,D13-D17,D19,D21,D24,E3,E11-E14,E16-E24,F1-F2,F7-F9,F11,F13-F24,G1,G3-G6,G9,G11-G13,G15,G17-G20,G22,G24,H1,H3-H8,H11-H24,Trk2

   untagged

 A2-A4,B5,B7,C6,C12,C16-C17,C20,C24,D12,D18,D20,D22-D23,E1-E2,E4-E9,F3-F6,F10,G2,G7-G8,G10,G14,G21,G23,H9-H10,Trk1

   no ip address

   exit

vlan 2

   name "MANAGEMENT"

   untagged B3,B6,B9-B13,B17-B19,B22-B23,C1,C13,D2,D19,D21,E22-E23,G5,G24,H12,H16,H19

   tagged

 A1-A2,B2,B5,B7,C6,C12,C16-C17,C20,C24,D12,D18,D20,D22-D23,E1-E2,E4-E9,F3-F6,F10,G2,G7-G8,G10,G14,G23,H9-H10,Trk1

   ip address 172.31.2.3 255.255.255.0

   exit

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Don JohnstonInstructor
Top Expert 2015
Commented:
VLAN 0 is an invalid VLAN number.  Basically it means that the port is not configured for any VLAN.
SYN ACKSnr Analyst

Author

Commented:
Ok what about traffic? Port is tagged with say vlan 20 and 10 and I guess all traffic with end up on default vlan?
Instructor
Top Expert 2015
Commented:
Tagged traffic should still flow through the port.  It just won't have a native VLAN.

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