4402 WLC Trunk/STP Issue

Hello,
We have a few WLC's on our Network. The last WLC we deployed is having issues with connectivity. Persistent PING tests are showing drops every 20 packets or so. We noticed that the Mgt VLAN is flapping in STP.
The WLC is connected to a 4506 Switch 10/100/1000 mode. Auto negotiation is on and the port on both sides is 1000/Full. Having no issues with the others controllers.
4506 port config:
interface GigabitEthernet3/42
description Trunk to nyc1-32-wlc-02
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 1,50-52
switchport mode trunk
VLAN 52 is the Mgt VLAN associated with the WLC. Any help would be appreciated. Thank you.
John

I connected Port 2 to 4506-2 and we're still having the same issue. It appears that the Mgt VLAN is being dropped from Spanning Tree.
ICMP packets are OK:
nyc1-32-4506-1#sh spanning-tree int gi3/42
Vlan Role Sts Cost Prio.Nbr Type
VLAN0001 Desg FWD 4 128.170 Edge P2p
VLAN0050 Desg FWD 4 128.170 Edge P2p
VLAN0051 Desg FWD 4 128.170 Edge P2p
VLAN0052 Desg FWD 4 128.170 Edge P2p
ICMP Packets time out:
nyc1-32-4506-1#sh spanning-tree int gi3/42
no spanning tree info available for GigabitEthernet3/42
After 4 time outs, the SPT on the interface comes back up.
nyc1-32-4506-1#sh spanning-tree int gi3/42
Vlan Role Sts Cost Prio.Nbr Type
VLAN0001 Desg FWD 4 128.170 Edge P2p
VLAN0050 Desg FWD 4 128.170 Edge P2p
VLAN0051 Desg FWD 4 128.170 Edge P2p
VLAN0052 Desg FWD 4 128.170 Edge P2p
nyc1-32-4506-1#
Before we enabled spanning-tree trunk fast, we got several time-outs (7 - 9), now we only get 4 (with it enabled).
Any idea? Thank you.

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http://www.cisco.com/en/US/docs/wireless/controller/release/notes/crn52.html#wp472449
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xxx.xxx.xxx.xxx
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Mode........................................... TFTP
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TFTP Server IP.................................
xxx.xxx.xxx.xxx
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path>
TFTP Filename..................................
AS_2000_3_0_x_x.aes --OR--
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Writing new RTOS to flash.
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Product Name..................................... Cisco Controller
Product Version.................................. 7.6.120.0
Bootloader Version............................... 1.0.1
Field Recovery Image Version..................... 6.0.182.0
Firmware Version................................. FPGA 1.7, Env 1.8, USB console 2.2
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Product Name..................................... Cisco Controller
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Product Version.................................. 7.0.116.0
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qle

Cisco has issued a "deferred notice" for 7.6.120.X. Cisco openly recommends everyone to use the newer code, 7.6.130.X.
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http://www.cisco.com/en/US/products/hw/wireless/ps4570/products_tech_note09186a0080bb1d7c.shtml
Sent from Cisco Technical Support iPhone App

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=~=~=~=~=~=~=~=~=~=~=~= PuTTY log 2013.01.17 22:27:37 =~=~=~=~=~=~=~=~=~=~=~=
show run
Building configuration...
Current configuration : 10532 bytes
version 12.2
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
boot-start-marker
boot-end-marker
no aaa new-model
switch 1 provision ws-c2960s-24ps-l
crypto pki trustpoint TP-self-signed-131252096
enrollment selfsigned
subject-name cn=IOS-Self-Signed-Certificate-131252096
revocation-check none
rsakeypair TP-self-signed-131252096
crypto pki certificate chain TP-self-signed-131252096
certificate self-signed 01
3082023D 308201A6 A0030201 02020101 300D0609 2A864886 F70D0101 04050030
30312E30 2C060355 04031325 494F532D 53656C66 2D536967 6E65642D 43657274
69666963 6174652D 31333132 35323039 36301E17 0D393330 33303130 30303830
355A170D 32303031 30313030 30303030 5A303031 2E302C06 03550403 1325494F
532D5365 6C662D53 69676E65 642D4365 72746966 69636174 652D3133 31323532
30393630 819F300D 06092A86 4886F70D 01010105 0003818D 00308189 02818100
D1D20BAE AE0D9EF4 049AF361 1FFAC404 33C7940F 0EC84FA3 52470085 11BE1B6F
EF7795D5 D81F0AD5 25D3668A 7004C157 BC4C4AE6 84A3302A CE774AAF E388A3BE
1249476C 396F042A 90DA38B8 5C413D4E 1C6A9405 80A12F74 50F6571E DC11306E
6AFFB6DF FB6E9292 96EE61A6 9EF87310 E4722DB3 3B10368D C737BAE4 93F3B759
02030100 01A36730 65300F06 03551D13 0101FF04 05300301 01FF3012 0603551D
11040B30 09820753 77697463 682E301F 0603551D 23041830 168014CE 95CAC648
8F3F96AE B382A38E 4AC7B6BF 9DEB9F30 1D060355 1D0E0416 0414CE95 CAC6488F
3F96AEB3 82A38E4A C7B6BF9D EB9F300D 06092A86 4886F70D 01010405 00038181
0063BCAE 64F7D969 244A07C3 B0D70FEF 00E78CF7 4EF017BE 72745FED 090AF5DA
7420B4BD EAB89849 C7241FAE A8496714 5BF6331F A6936762 A861756E A55A43D8
9366AAB5 C55DECEE F84AFC63 964834C0 E917FCF5 DA5B9043 FD0365B6 03351CA8
7C4EAB92 831BA642 DD210D4B 0C21E6A8 F0BDA231 3AF9652C D376DAC2 1E17ABFC DB
quit
spanning-tree mode pvst
spanning-tree extend system-id
auto qos srnd4
port-channel load-balance src-dst-ip
vlan internal allocation policy ascending
interface Port-channel1
switchport trunk allowed vlan 1,40,45,50,55,60
switchport mode trunk
interface Port-channel2
switchport trunk native vlan 99
switchport trunk allowed vlan 1,40,45,50,55,60
switchport mode trunk
interface FastEthernet0
no ip address
shutdown
interface GigabitEthernet1/0/1
switchport trunk native vlan 99
switchport trunk allowed vlan 1,40,45,50,55,60
switchport mode trunk
channel-group 2 mode on
interface GigabitEthernet1/0/2
switchport trunk native vlan 99
switchport trunk allowed vlan 1,40,45,50,55,60
switchport mode trunk
channel-group 2 mode on
interface GigabitEthernet1/0/3
switchport trunk native vlan 99
switchport trunk allowed vlan 1,40,45,50,55,60
switchport mode trunk
channel-group 2 mode on
interface GigabitEthernet1/0/4
switchport trunk native vlan 99
switchport trunk allowed vlan 1,40,45,50,55,60
switchport mode trunk
channel-group 2 mode on
interface GigabitEthernet1/0/21
description BH-C2960S-01 GI 1/0/21 trunk connection to Watchguard Firebox
switchport trunk native vlan 99
switchport mode trunk
interface GigabitEthernet1/0/22
description Switch connection to AP
interface GigabitEthernet1/0/23
description BH-2960S-01 GI 0/22-24 trunk connection to BH-HPJ9022A-01 gi 47-48
switchport trunk allowed vlan 1,40,45,50,55,60
switchport mode trunk
channel-group 1 mode active
interface GigabitEthernet1/0/24
description BH-2960S-01 GI 0/22-24 trunk connection to BH-HPJ9022A-01 gi 47-48
switchport trunk allowed vlan 1,40,45,50,55,60
switchport mode trunk
channel-group 1 mode active
interface GigabitEthernet1/0/25
interface GigabitEthernet1/0/26
interface GigabitEthernet1/0/27
interface GigabitEthernet1/0/28
interface Vlan1
ip address 192.168.87.14 255.255.255.0
interface Vlan40
ip address 172.16.10.3 255.255.255.0
no ip http server
ip http secure-server
line con 0
exec-timeout 30 0
password admin
line vty 0 4
access-class vty_ports in
exec-timeout 30 0
password admin
login
length 0
line vty 5 15
access-class vty_ports in
exec-timeout 30 0
password admin
login
end

4402 WLC Trunk/STP Issue

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