IP Phones constantly rebooting (DHCP ACK)

[tac84]

Hey all,

I know typically the above is usually a result of having two active DHCP servers. I'm very new to networking (I'm more telco) but spent a lot of time researching when I was setting up my Avaya ERS3510GT-PWR+ for my home network and established VLANS for Data & Voice. I'm running IP Office R11.0.4.5 and have a mix of J169, J179 and a 9641GS on the system.

I was attempting to use port mirroring with wireshark to monitor one of the phones but I haven't been able to catch it happening yet.

Background of VLANS:

VLAN 1 (Data) DHCP Range: 192.168.0.1XX - 192.168.0.199 (VLAN 1 IP Address: 192.168.0.11)- All customised options set
VLAN 10 (Voice) DHCP Range: 192.168.10.1XX - 192.168.10.199 (VLAN 10 IP Address: 192.168.10.1)- All customised options set

DHCP Relay: 192.168.10.1 to 192.168.0.0 <--- not actually sure I need this because the phones automatically go over to VLAN 10 due to my LLDP MED settings, however I did originally need this when the IPO was on VLAN 1. I've since moved the IPO to VLAN 10 and given it the IP Address 192.168.10.10

Router/Modem Interface/Subnet 1: 192.168.0.1/ 255.255.255.0
Router/Modem Interface/Subnet 2: 192.168.10.2/ 255.255.255.0
DHCP disabled on the Router/Internet.

IP Office:
LAN 1 IP Address: 192.168.10.10
LAN 2: Not in use.

Route in IPO: 0.0.0.0/ 0.0.0.0/ 192.168.10.2

I've made some adjustments to VLAN settings, such as setting the default VLAN for the port for IP Office to the Voice VLAN 10. This alone has made a big improvement. Other than changing the IP Address of the IPO (Small inconvenience) to bring it into the VLAN 10 range, it's actually resolved the another issue i was having with call quality alarms.

The IP Office DHCP server is disabled.

I was also having a strange issue I raised on another post where sometimes the Passthrough port on the back of the J100 series SIP phones was giving out a strange DHCP Address, again which could be caused by too many DHCP servers.

I just feel like there is something I'm overlooking (due to my experience no doubt on the Networking side). Any suggestions would be greatly appreciated so these phones stop rebooting on their own!

Thanks for your help as always.


Thanks, Tim
Adelaide, Australia

 

[tac84]

I managed to capture some log information which might explain what is happening that a network admin would recognise?

Phones rebooting in the middle of the night hearing the Avaya chime throughout the whole house drives me crazy!


0 2021-02-01 15:35:19 GMT+10:30 155 2021-02-01 15:35:19 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Inserts = 34
0 2021-02-01 15:35:17 GMT+10:30 154 2021-02-01 15:35:17 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 4 Class = 1
0 2021-02-01 15:35:16 GMT+10:30 153 2021-02-01 15:35:16 GMT+10:30 Current Informational 16 Link Up Trap for Port: 6
0 2021-02-01 15:35:13 GMT+10:30 152 2021-02-01 15:35:13 GMT+10:30 Current Informational 16 Link Down Trap for Port: 6
0 2021-02-01 15:35:11 GMT+10:30 151 2021-02-01 15:35:11 GMT+10:30 Current Informational 16 Link Up Trap for Port: 6
0 2021-02-01 15:32:04 GMT+10:30 149 2021-02-01 15:32:04 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Inserts = 33
0 2021-02-01 15:32:04 GMT+10:30 150 2021-02-01 15:32:04 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Deletes = 28
0 2021-02-01 15:32:01 GMT+10:30 147 2021-02-01 15:32:01 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 15:32:01 GMT+10:30 148 2021-02-01 15:32:01 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 15:31:34 GMT+10:30 146 2021-02-01 15:31:34 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Inserts = 32
0 2021-02-01 15:31:33 GMT+10:30 145 2021-02-01 15:31:33 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 15:31:24 GMT+10:30 143 2021-02-01 15:31:24 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Deletes = 27
0 2021-02-01 15:31:24 GMT+10:30 144 2021-02-01 15:31:24 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Ageouts = 10
0 2021-02-01 15:31:23 GMT+10:30 142 2021-02-01 15:31:23 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 15:23:54 GMT+10:30 140 2021-02-01 15:23:54 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Inserts = 31
0 2021-02-01 15:23:54 GMT+10:30 141 2021-02-01 15:23:54 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Deletes = 26
0 2021-02-01 15:23:53 GMT+10:30 138 2021-02-01 15:23:53 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 15:23:53 GMT+10:30 139 2021-02-01 15:23:53 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 15:23:29 GMT+10:30 136 2021-02-01 15:23:29 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Inserts = 30
0 2021-02-01 15:23:29 GMT+10:30 137 2021-02-01 15:23:29 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Deletes = 25
0 2021-02-01 15:23:24 GMT+10:30 132 2021-02-01 15:23:24 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Inserts = 29
0 2021-02-01 15:23:24 GMT+10:30 133 2021-02-01 15:23:24 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Deletes = 24
0 2021-02-01 15:23:24 GMT+10:30 134 2021-02-01 15:23:24 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 15:23:24 GMT+10:30 135 2021-02-01 15:23:24 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 15:23:23 GMT+10:30 130 2021-02-01 15:23:23 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 15:23:23 GMT+10:30 131 2021-02-01 15:23:23 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 15:22:54 GMT+10:30 129 2021-02-01 15:22:54 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Inserts = 28
0 2021-02-01 15:22:53 GMT+10:30 127 2021-02-01 15:22:53 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 15:22:53 GMT+10:30 128 2021-02-01 15:22:53 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 15:22:49 GMT+10:30 125 2021-02-01 15:22:49 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Deletes = 23
0 2021-02-01 15:22:49 GMT+10:30 126 2021-02-01 15:22:49 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Ageouts = 9
0 2021-02-01 15:22:45 GMT+10:30 123 2021-02-01 15:22:45 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 15:22:45 GMT+10:30 124 2021-02-01 15:22:45 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 15:17:17 GMT+10:30 121 2021-02-01 15:17:17 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Inserts = 26
0 2021-02-01 15:17:17 GMT+10:30 122 2021-02-01 15:17:17 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Deletes = 21
0 2021-02-01 15:17:16 GMT+10:30 119 2021-02-01 15:17:16 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 15:17:16 GMT+10:30 120 2021-02-01 15:17:16 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 14:19:17 GMT+10:30 115 2021-02-01 14:19:17 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 14:19:17 GMT+10:30 116 2021-02-01 14:19:17 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 14:19:17 GMT+10:30 117 2021-02-01 14:19:17 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Inserts = 25
0 2021-02-01 14:19:17 GMT+10:30 118 2021-02-01 14:19:17 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Deletes = 20
0 2021-02-01 12:19:17 GMT+10:30 111 2021-02-01 12:19:17 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 12:19:17 GMT+10:30 112 2021-02-01 12:19:17 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 12:19:17 GMT+10:30 113 2021-02-01 12:19:17 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Inserts = 24
0 2021-02-01 12:19:17 GMT+10:30 114 2021-02-01 12:19:17 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Deletes = 19
0 2021-02-01 12:18:47 GMT+10:30 109 2021-02-01 12:18:47 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 12:18:47 GMT+10:30 110 2021-02-01 12:18:47 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Inserts = 23
0 2021-02-01 12:16:58 GMT+10:30 108 2021-02-01 12:16:58 GMT+10:30 Current Informational 16 Link Up Trap for Port: 3
0 2021-02-01 12:16:55 GMT+10:30 107 2021-02-01 12:16:55 GMT+10:30 Current Informational 16 Link Down Trap for Port: 3
0 2021-02-01 03:30:27 GMT+10:30 105 2021-02-01 03:30:27 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Inserts = 22
0 2021-02-01 03:30:27 GMT+10:30 106 2021-02-01 03:30:27 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Deletes = 18
0 2021-02-01 03:30:23 GMT+10:30 103 2021-02-01 03:30:23 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 03:30:23 GMT+10:30 104 2021-02-01 03:30:23 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 03:29:57 GMT+10:30 102 2021-02-01 03:29:57 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Inserts = 21
0 2021-02-01 03:29:56 GMT+10:30 101 2021-02-01 03:29:56 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 03:29:47 GMT+10:30 99 2021-02-01 03:29:47 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Deletes = 17
0 2021-02-01 03:29:47 GMT+10:30 100 2021-02-01 03:29:47 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Ageouts = 7
0 2021-02-01 03:29:46 GMT+10:30 98 2021-02-01 03:29:46 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 03:21:47 GMT+10:30 96 2021-02-01 03:21:47 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Inserts = 20
0 2021-02-01 03:21:47 GMT+10:30 97 2021-02-01 03:21:47 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Deletes = 16
0 2021-02-01 03:21:45 GMT+10:30 94 2021-02-01 03:21:45 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 03:21:45 GMT+10:30 95 2021-02-01 03:21:45 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 03:21:44 GMT+10:30 92 2021-02-01 03:21:44 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 03:21:44 GMT+10:30 93 2021-02-01 03:21:44 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 03:21:17 GMT+10:30 91 2021-02-01 03:21:17 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Inserts = 18
0 2021-02-01 03:21:15 GMT+10:30 90 2021-02-01 03:21:15 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 03:21:14 GMT+10:30 89 2021-02-01 03:21:14 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 03:21:12 GMT+10:30 87 2021-02-01 03:21:12 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Deletes = 14
0 2021-02-01 03:21:12 GMT+10:30 88 2021-02-01 03:21:12 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Ageouts = 6
0 2021-02-01 03:21:08 GMT+10:30 85 2021-02-01 03:21:08 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 03:21:08 GMT+10:30 86 2021-02-01 03:21:08 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 03:19:12 GMT+10:30 83 2021-02-01 03:19:12 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Inserts = 16
0 2021-02-01 03:19:12 GMT+10:30 84 2021-02-01 03:19:12 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Deletes = 12
0 2021-02-01 03:19:09 GMT+10:30 81 2021-02-01 03:19:09 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 03:19:09 GMT+10:30 82 2021-02-01 03:19:09 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 03:19:08 GMT+10:30 79 2021-02-01 03:19:08 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-02-01 03:19:08 GMT+10:30 80 2021-02-01 03:19:08 GMT+10:30 Current Informational 16 Trap: lldpXMedTopologyChangeDetected, Subtype = 5 Class = 3
0 2021-01-31 18:13:52 GMT+10:30 77 2021-01-31 18:13:52 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Deletes = 10
0 2021-01-31 18:13:52 GMT+10:30 78 2021-01-31 18:13:52 GMT+10:30 Current Informational 16 Trap: lldpRemTableChange Ageouts = 4
0 2021-01-31 18:13:50 GMT+10:30 76 2021-01-31 18:13:50 GMT+10:30 Current Informational 16 Link Down Trap for Port: 6


Thanks, Tim
Adelaide, Australia