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08-18-2017 06:13 AM - edited 08-18-2017 06:23 AM
08-18-2017 06:13 AM - edited 08-18-2017 06:23 AM
Receiving PVID mismatch messages on all HP Pro-Curve switches
Hi
2 Core Switch HP 5412zl and multiple Acces switches HP 3500YL are configured in a Network with Cisco IP Phone and Huawei Access Point. i am getting the Log messages PVID Mismatch in all switches although configuration is Ok on all switches and applictaion are working fine but these messages are very annoying and facing network slowness.
these messages are appearing on all switches. all switches are Pro-Curve
Sample message on CORE-2
I 08/18/17 00:55:33 00828 lldp: PVID mismatch on port B10(VID 1)with peer device
port 24(VID unknown)(197024)
I 08/18/17 00:55:33 00828 lldp: PVID mismatch on port B9(VID 1)with peer device
port 23(VID unknown)(197024)
Sample message on Access Switch
I 08/17/17 03:11:10 00828 lldp: PVID mismatch on port 24(VID 0)with peer device
port 34(VID 1)(37508)
I 08/17/17 03:11:10 00828 lldp: PVID mismatch on port 23(VID 0)with peer device
port 33(VID 1)(37508)
default vlan is vlan 1 and configured on all switches trunk as Untagged VLAN. but i am still receiving messages
CORE-2 Sample Config
trunk B9-B10 trk17 trunk
vlan 1
name "NMS"
no untagged C1-C24,D1,D3-D12,D20,E13-E24
untagged B17-B24,D2,D13-D19,E5-E12,F3-F4,Trk1-Trk22,Trk51-Trk52
ip address 172.16.0.1 255.255.240.0
ip helper-address 172.30.10.5
vrrp vrid 1
owner
virtual-ip-address 172.16.0.1 255.255.240.0
show vlans ports Trk1 detail
Status and Counters - VLAN Information - for ports Trk17
VLAN ID Name | Status Voice Jumbo Mode
------- -------------------- + ---------- ----- ----- --------
1 NMS | Port-based No No Untagged
12 WLAN | Port-based No No Tagged
13 ADMIN | Port-based No No Tagged
14 VOIP | Port-based Yes No Tagged
15 CCTV | Port-based No No Tagged
Access Switch Sample Config
trunk 23-24 Trk1 Trunk
vlan 1
name "DEFAULT_VLAN"
untagged 4-5,8-12,15-22,A1-A4,Trk1
ip address 172.16.11.12 255.255.240.0
no untagged 1-3,6-7,13-14
VLAN ID Name | Status Voice Jumbo Mode
------- -------------------- + ---------- ----- ----- --------
1 DEFAULT_VLAN | Port-based No No Untagged
11 VLAN11 | Port-based No No Tagged
12 WLAN | Port-based No No Tagged
13 ADMIN | Port-based No No Tagged
14 VoIP | Port-based No No Tagged
15 CCTV | Port-based No No Tagged
plese give me advice as switches configuration seems to me OK but receiving PVID Mismatch Log on all swicthes
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08-22-2017 10:49 PM
08-22-2017 10:49 PM
Re: Receiving PVID mismatch messages on all HP Pro-Curve switches
It is best-practice to not have any of your real VLANs untagged on any switch to switch link.
I wonder if tagging VLAN1 would be better?
It's best practice to not use VLAN1 as well though.
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11-02-2017 03:07 AM
11-02-2017 03:07 AM
Re: Receiving PVID mismatch messages on all HP Pro-Curve switches
You will get PVID mismatch log entries if the VLAN IDs for the untagged/native/PVID are not the same on each end. An untagged VLAN 1 connected to an untagged VLAN 24 will generate that message.
If the VLAN IDs cannot be matched for some reason (and they don't *have* to be - the messages are just annoying), you can disable the info being sent so the messages don't appear - see http://h22208.www2.hpe.com/eginfolib/networking/docs/switches/K-KA-KB/15-18/5998-8160_ssw_mcg/content/ch06s13.html
dot1TlvEnable