[cisco-voip] Trying to troubleshoot switch

Fri Apr 27 16:53:14 EDT 2007

Do the phones ever register?  or just continuously reboot.

In your config I don't see the VLANs referenced in your access and voice
vlan port config.  can you post a sho interface trunk?

On 4/27/07, Voll, Scott <Scott.Voll at wesd.org> wrote:
>
>  I'm really going to show how dumb I am but I'm too close to the problem.
>
>
>
> I have a 3560 48 port 10/100 PoE switch that connects about 6 phone back
> to an other 3560 via SX.
>
>
>
> The switch / phones I'm having problems with keep loosing connections and
> therefore the phones keep reseting.
>
>
>
> I found the one switch with err-disable do to flapping.  So I replaced the
> SX and put it in a different Gig sfp slot.
>
>
>
> Still having the issue.
>
>
>
>  Look to be a broadcast storm by the link lights.  So I unplugged ports
> until the lights went back to normal.  Follow the cable back to a phone àPC.  Plug it back in and the lights still looked fine.
>
>
>
> telnet into the switch and I'm seeing the gig link Broadcast and multicast
> increment at a rate of `100 per sec.  NO other switch ports are incrementing
> anywhere close to this.
>
>
>
> Is this a bad switch?  Do I have a bad run of fiber?  What can I do to
> trouble shoot more?
>
>
>
> Scott
>
>
>
> PS.  Here is the conifg:
>
>
>
> version 12.2
>
> no service pad
>
> service timestamps debug uptime
>
> service timestamps log uptime
>
> service password-encryption
>
> !
>
> hostname GeorgeFox
>
> !
>
> enable secret 5 <removed>
>
> !
>
> no aaa new-model
>
> clock timezone PST -8
>
> clock summer-time PDT recurring
>
> ip subnet-zero
>
> !
>
> !
>
> mls qos map cos-dscp 0 8 16 26 32 46 48 56
>
> mls qos srr-queue input bandwidth 90 10
>
> mls qos srr-queue input threshold 1 8 16
>
> mls qos srr-queue input threshold 2 34 66
>
> mls qos srr-queue input buffers 67 33
>
> mls qos srr-queue input cos-map queue 1 threshold 2  1
>
> mls qos srr-queue input cos-map queue 1 threshold 3  0
>
> mls qos srr-queue input cos-map queue 2 threshold 1  2
>
> mls qos srr-queue input cos-map queue 2 threshold 2  4 6 7
>
> mls qos srr-queue input cos-map queue 2 threshold 3  3 5
>
> mls qos srr-queue input dscp-map queue 1 threshold 2  9 10 11 12 13 14 15
>
> mls qos srr-queue input dscp-map queue 1 threshold 3  0 1 2 3 4 5 6 7
>
> mls qos srr-queue input dscp-map queue 1 threshold 3  32
>
> mls qos srr-queue input dscp-map queue 2 threshold 1  16 17 18 19 20 21 22
> 23
>
> mls qos srr-queue input dscp-map queue 2 threshold 2  33 34 35 36 37 38 39
> 48
>
> mls qos srr-queue input dscp-map queue 2 threshold 2  49 50 51 52 53 54 55
> 56
>
> mls qos srr-queue input dscp-map queue 2 threshold 2  57 58 59 60 61 62 63
>
> mls qos srr-queue input dscp-map queue 2 threshold 3  24 25 26 27 28 29 30
> 31
>
> mls qos srr-queue input dscp-map queue 2 threshold 3  40 41 42 43 44 45 46
> 47
>
> mls qos srr-queue output cos-map queue 1 threshold 3  5
>
> mls qos srr-queue output cos-map queue 2 threshold 3  3 6 7
>
> mls qos srr-queue output cos-map queue 3 threshold 3  2 4
>
> mls qos srr-queue output cos-map queue 4 threshold 2  1
>
> mls qos srr-queue output cos-map queue 4 threshold 3  0
>
> mls qos srr-queue output dscp-map queue 1 threshold 3  40 41 42 43 44 45
> 46 47
>
> mls qos srr-queue output dscp-map queue 2 threshold 3  24 25 26 27 28 29
> 30 31
>
> mls qos srr-queue output dscp-map queue 2 threshold 3  48 49 50 51 52 53
> 54 55
>
> mls qos srr-queue output dscp-map queue 2 threshold 3  56 57 58 59 60 61
> 62 63
>
> mls qos srr-queue output dscp-map queue 3 threshold 3  16 17 18 19 20 21
> 22 23
>
> mls qos srr-queue output dscp-map queue 3 threshold 3  32 33 34 35 36 37
> 38 39
>
> mls qos srr-queue output dscp-map queue 4 threshold 1  8
>
> mls qos srr-queue output dscp-map queue 4 threshold 2  9 10 11 12 13 14 15
>
> mls qos srr-queue output dscp-map queue 4 threshold 3  0 1 2 3 4 5 6 7
>
> mls qos queue-set output 1 threshold 1 138 138 92 138
>
> mls qos queue-set output 1 threshold 2 138 138 92 400
>
> mls qos queue-set output 1 threshold 3 36 77 100 318
>
> mls qos queue-set output 1 threshold 4 20 50 67 400
>
> mls qos queue-set output 2 threshold 1 149 149 100 149
>
> mls qos queue-set output 2 threshold 2 118 118 100 235
>
> mls qos queue-set output 2 threshold 3 41 68 100 272
>
> mls qos queue-set output 2 threshold 4 42 72 100 242
>
> mls qos queue-set output 1 buffers 10 10 26 54
>
> mls qos queue-set output 2 buffers 16 6 17 61
>
> mls qos
>
> !
>
> !
>
> !
>
> !
>
> no file verify auto
>
> spanning-tree mode pvst
>
> spanning-tree extend system-id
>
> !
>
> vlan internal allocation policy ascending
>
> !
>
> interface FastEthernet0/1
>
>  switchport access vlan 60
>
>  switchport voice vlan 160
>
>  srr-queue bandwidth share 10 10 60 20
>
>  srr-queue bandwidth shape  10  0  0  0
>
>  priority-queue out
>
>  mls qos trust device cisco-phone
>
>  mls qos trust cos
>
>  auto qos voip cisco-phone
>
>  spanning-tree portfast
>
> !
>
> interface FastEthernet0/2 - 48
>
>  switchport access vlan 90
>
>  switchport voice vlan 160
>
>  srr-queue bandwidth share 10 10 60 20
>
>  srr-queue bandwidth shape  10  0  0  0
>
>  priority-queue out
>
>  mls qos trust device cisco-phone
>
>  mls qos trust cos
>
>  auto qos voip cisco-phone
>
>  spanning-tree portfast
>
> !
>
> !
>
> !
>
> interface GigabitEthernet0/1 - 4
>
>  switchport trunk encapsulation dot1q
>
>  switchport mode trunk
>
>  srr-queue bandwidth share 10 10 60 20
>
>  srr-queue bandwidth shape  10  0  0  0
>
>  queue-set 2
>
>  priority-queue out
>
>  mls qos trust cos
>
>  auto qos voip trust
>
> !
>
> interface Vlan1
>
>  no ip address
>
>  shutdown
>
> !
>
> interface Vlan60
>
>  ip address 10.200.6.4 255.255.255.0
>
> !
>
> ip classless
>
> end
>
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>
>
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