cancel
Showing results for 
Search instead for 
Did you mean: 
cancel
181
Views
0
Helpful
3
Replies

VOIPS and PCs randomly shutting off and on.

jose-cedillo-1
Level 1
Level 1

We recently installed new Cisco 9300 switches and randomly, users have complained that their Avaya phones restart and PCs go off and on. I started running the show logs and noticed the following:

 

 

049632: Nov 14 13:11:06: %PM-4-ERR_RECOVER: Attempting to recover from arp-inspection err-disable state on Gi1/0/33
049633: Nov 14 13:11:08: %ILPOWER-5-DETECT: Interface Gi1/0/33: Power Device detected: IEEE PD
049634: Nov 14 13:11:09: %ILPOWER-5-POWER_GRANTED: Interface Gi1/0/33: Power granted
049635: Nov 14 13:11:16: %SW_DAI-4-DHCP_SNOOPING_DENY: 1 Invalid ARPs (Req) on Gi1/0/33, vlan 2.([c85a.cf76.d1e1/169.254.223.207/0000.0000.0000/169.254.223.207/13:11:15 UTC Thu Nov 14 2024])
049636: Nov 14 13:11:17: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/33, changed state to up
049637: Nov 14 13:11:18: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/33, changed state to up


interface GigabitEthernet1/0/33
switchport access vlan 2
switchport mode access
switchport block unicast
switchport voice vlan 6
switchport port-security maximum 2
switchport port-security mac-address sticky
switchport port-security mac-address sticky c85a.cf76.d1e1
switchport port-security mac-address sticky 001b.4f5d.d2c7 vlan voice
switchport port-security
spanning-tree portfast
spanning-tree bpduguard enable
spanning-tree guard root


We have opened up a case and thru some troubleshooting the reps suggested a recommended a different OS ver.

Any suggestions

Jose A cedillo

3 Replies 3

1- check if PC Mac add to correct vlan (vlan2)

2- connect pc directly do you see same error?

3- check dhcp snooping binding' it have correct mac of iphone and pc with correct IP?

Mostly this issue of pc it have bad programs start l2 secuirty attack.

MHM

balaji.bandi
Hall of Fame
Hall of Fame

check mac address any where learning ?

check some guide lines :

https://community.cisco.com/t5/networking-knowledge-base/the-quot-sw-dai-4-dhcp-snooping-deny-quot-error-message-is/ta-p/3132652

or you may try as suggested different IOS XE code if that is bug on that version running.

BB

***** Rate All Helpful Responses *****

How to Ask The Cisco Community for Help

Thank You

Review Cisco Networking for a $25 gift card