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Unknown-duplex

 
eXPlosion_
Advisor

Unknown-duplex

Hi,

in switch logs we are getting unknown-duplex

%%10LLDP/5/LLDP_DUPLEX_INCONSISTENT(l): -Slot=2; The mode of duplex mismatch discovered on GigabitEthernet2/0/7 (Full-duplex), with @▒▒V▒ (Unknown-duplex).

Are these symbols normal switch behaviour? Thanks

5 REPLIES

Re: Unknown-duplex

What model switch do you have?

eXPlosion_
Advisor

Re: Unknown-duplex

Comware Software, Version 5.20.99, Release 2222P08
Copyright (c) 2010-2017 Hewlett Packard Enterprise Development LP
HP A5120-48G-PoE+ EI Switch with 2 Interface Slots 

eXPlosion_
Advisor

Re: Unknown-duplex

Anyone?

It started to show after firmware upgrade, here are one more line:

%%10LLDP/5/LLDP_DUPLEX_INCONSISTENT(l): -Slot=2; The mode of duplex mismatch discovered on GigabitEthernet2/0/30 (Full-duplex), with  (▒DM ▒ (Unknown-duplex).

Trackhappy
Occasional Visitor

Re: Unknown-duplex

I am also getting this on random ports. HP A5120-48G-PoE+ EI Switch. Comware Software, Version 5.20.99, Release 2222P07. Started happening after upgrading to this version. 

%Apr 23 08:12:15:928 2018 ***_Edge_Stack LLDP/5/LLDP_DUPLEX_INCONSISTENT: -Slot=2; The mode of duplex mismatch discovered on GigabitEthernet2/0/17 (Full-duplex), with  D[xú (Unknown-duplex).

%Apr 23 08:05:09:255 2018 ***_Edge_Stack LLDP/5/LLDP_DUPLEX_INCONSISTENT: The mode of duplex mismatch discovered on GigabitEthernet1/0/5 (Full-duplex), with  D[x! (Unknown-duplex).

MichaelM55
Trusted Contributor

Re: Unknown-duplex

 

Similar issue. User reports problems:

HPE Comware Platform Software
Comware Software, Version 5.20.99, Release 2222P10
Copyright (c) 2010-2018 Hewlett Packard Enterprise Development LP
HP A5500-24G EI Switch with 2 Interface Slots uptime is 12 weeks, 4 days, 12 hours, 15 minutes
%Nov 26 08:35:55:716 2018 netz-service.sys.swch.roacf21m LLDP/5/LLDP_DUPLEX_INCONSISTENT: -Slot=1; The mode of duplex mismatch discovered on GigabitEthernet1/0/11 (Full-duplex), with  ▒ʸ\▒w (Unknown-duplex).
>dis int gig 1/0/11
 GigabitEthernet1/0/11 current state: UP
 IP Packet Frame Type: PKTFMT_ETHNT_2, Hardware Address: 4001-c65e-65a1
 Description: GigabitEthernet1/0/11 Interface
 Loopback is not set
 Media type is twisted pair
 Port hardware type is  1000_BASE_T
 1000Mbps-speed mode, full-duplex mode
 Link speed type is autonegotiation, link duplex type is autonegotiation
 Flow-control is not enabled
 The Maximum Frame Length is 9216
 Broadcast MAX-ratio: 100%
 Unicast MAX-ratio: 100%
 Multicast MAX-ratio: 100%
 Allow jumbo frame to pass
dis mac-address | inc 1/0/11
f8ca-b85c-8261 1        Learned        GigabitEthernet1/0/11    AGING

 => Dell laptop