Network Issue

[tlcraig01]

We have 5 separate building on a layer 2 network. We just added the 5^th building across the street from our “four building complex”, due to it being across the street they thought it would be best to mount a wireless bridge on the buildings to connect the switches. Everything is on a /24 10.40.X.X. What we are seeing happen is at least one time a day building 5 will go down, the switch DOES NOT power off, their ip phones do not lose power, they just basically lose all connection. When we connect to the wireless bridge devices which are Siklu Etherhaul 1200’s it shows a huge spike in bandwidth being transmitted to B5 and being received at B5 at the same time they lose connection. My theory is that there is something goofy in the config that I am not seeing in these switches and I am basically just needing another set of eyes on it. On either end of our wireless bridge we have a Cisco 2960 and a 3650 switch. Let me know what you guys think. Any help at all is appreciated, they are talking about running a fiber line under the street.... I am not convinced this will solve the issue.

Thanks,

Tanner.

[Zach Smith]

do you have any visibility on the Siklu Etherhaul 1200's that shows the pair losing any association with each other?  Are you positive you aren't dropping the wireless 'bridge' randomly which is causing the issue?

[tlcraig01]

The bridge is not dropping because we can connect to one (while building 5 is down) and see that it still sees the other Siklu. The radio's are mounted on the roofs of our buildings, they are between 200 and 250 feet apart and we have had our vendor out to check alignment 3 times.

[tlcraig01]

Here is the configuration of the B5 switch:

TSKC-IDF-F-2960-1#show run
Building configuration...

Current configuration : 14969 bytes
!
! Last configuration change at 17:14:55 UTC Wed Dec 10 2014
! NVRAM config last updated at 23:24:58 UTC Tue Dec 9 2014
!
version 15.0
no service pad
service timestamps debug uptime
service timestamps log datetime
service password-encryption
service sequence-numbers
!
hostname TSKC-IDF-F-2960-1
!
boot-start-marker
boot-end-marker
!
enable secret 5 $1$C5/J$e0Grt8PGSDfL0Jx2panb20
enable password 7 03145A1815182E5E4A5B
!
no aaa new-model
switch 1 provision ws-c2960x-48lps-l
!
!
vtp domain tskc
vtp mode transparent
!
mls qos map cos-dscp 0 8 16 24 32 46 48 56
mls qos map ip-prec-dscp 0 8 16 24 32 46 48 56
mls qos queue-set output 1 threshold 1 400 400 100 400
mls qos queue-set output 1 threshold 2 400 400 100 400
mls qos queue-set output 1 buffers 10 40 20 30
mls qos
!
crypto pki trustpoint TP-self-signed-799202944
 enrollment selfsigned
 subject-name cn=IOS-Self-Signed-Certificate-799202944
 revocation-check none
 rsakeypair TP-self-signed-799202944
!
!
crypto pki certificate chain TP-self-signed-799202944
 certificate self-signed 01
  30820229 30820192 A0030201 02020101 300D0609 2A864886 F70D0101 05050030
  30312E30 2C060355 04031325 494F532D 53656C66 2D536967 6E65642D 43657274
  69666963 6174652D 37393932 30323934 34301E17 0D313431 32303531 37313531
  345A170D 32303031 30313030 30303030 5A303031 2E302C06 03550403 1325494F
  532D5365 6C662D53 69676E65 642D4365 72746966 69636174 652D3739 39323032
  39343430 819F300D 06092A86 4886F70D 01010105 0003818D 00308189 02818100
  BCEF6913 3072AD1E C135EEFE FC0440A0 E77D00ED 49591091 AFC60DBF D15ACF92
  43F08591 92E47377 0F882538 6EF050BA BAEF01A4 1B906BD0 B8A2A0D5 1C3CFE3F
  B3E5BD0B CE841E25 7634C89A CC56030F 41AFDC63 EC5D5B18 D90E5287 98A4823F
  623A5611 1BEAD591 2B219282 9E382B2B 3D425FB1 C42AEF32 592C1D8E 6887E1AD
  02030100 01A35330 51300F06 03551D13 0101FF04 05300301 01FF301F 0603551D
  23041830 168014B5 34DF81E7 D6959F42 DDE6CAB8 658478E4 9F26D330 1D060355
  1D0E0416 0414B534 DF81E7D6 959F42DD E6CAB865 8478E49F 26D3300D 06092A86
  4886F70D 01010505 00038181 002685D0 6851FFF0 695449F7 1C0615B3 61A2DA34
  0C84B319 009C93EE BD948164 C82C3F19 8BABFE16 9021E6C1 53C593FD 55A7DBE8
  51793E09 F5094C6E 6B793D91 4E54FE99 47D55F44 CD39D358 7C8408C9 01C6E713
  CBED85D2 DE287FA3 F705244A 4C379F82 C55F4A50 DB09B478 92B808A2 27387900
  00786A3A E0B58CB4 240687DB 71
        quit
spanning-tree mode pvst
spanning-tree extend system-id
!
!
!
!
!
!
vlan internal allocation policy ascending
!
vlan 100
 name MANAGEMENT
!
vlan 300
 name DATA1
!
vlan 301
 name DATA-BLDG1
!
vlan 302
 name DATA-BLDG2
!
vlan 303
 name DATA-BLDG3
!
vlan 304
 name DATA-BLDG4
!
vlan 305
 name DATA-BLDG5
!
vlan 500
 name VOIP1
!
vlan 509
 name WIRELESS-VOICE
!
ip ssh version 2
!
!
!
!
!
interface FastEthernet0
 no ip address
!
interface GigabitEthernet1/0/1
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/2
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/3
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/4
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/5
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/6
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/7
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 duplex full
 history BPS
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/8
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/9
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/10
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/11
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/12
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/13
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/14
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/15
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/16
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/17
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/18
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/19
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/20
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/21
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/22
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/23
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/24
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/25
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/26
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/27
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/28
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/29
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/30
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/31
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/32
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/33
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/34
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/35
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/36
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/37
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/38
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/39
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/40
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/41
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/42
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/43
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/44
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/45
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/46
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/47
 switchport access vlan 305
 switchport mode access
 switchport voice vlan 500
 shutdown
 mls qos trust cos
 storm-control broadcast level 0.30
 storm-control action trap
 spanning-tree portfast
!
interface GigabitEthernet1/0/48
 switchport mode trunk
 speed 100
 duplex full
 mls qos trust cos
!
interface GigabitEthernet1/0/49
 description Wireless Bridge Trunk to Building 3
 switchport mode trunk
 mls qos trust cos
!
interface GigabitEthernet1/0/50
 description TRUNK PORTS TO OTHER SWITCHES
 switchport mode trunk
 udld port aggressive
 mls qos trust cos
!
interface GigabitEthernet1/0/51
 description TRUNK PORTS TO OTHER SWITCHES
 switchport mode trunk
 udld port aggressive
 mls qos trust cos
!
interface GigabitEthernet1/0/52
 description TRUNK PORTS TO OTHER SWITCHES
 switchport mode trunk
 udld port aggressive
 mls qos trust cos
!
interface Vlan1
 no ip address
 shutdown
!
interface Vlan100
 ip address 10.40.1.61 255.255.255.0
!
interface Vlan305
 no ip address
!
ip default-gateway 10.40.1.1
ip http server
ip http secure-server
!
!
snmp-server community public RO
!
banner motd ^CCCCCC
****WARNING****WARNING****WARNING****
 !LOG OUT NOW IF YOU ARE NOT AUTHORIZED!
Use of this network device is restricted to authorized personnel only.
User activity is Monitored and recorded by system personnel. Anyone
using the network or this device Expressly consents to such monitoring
and recording. BE ADVISED: if possible criminal Activity is detected,
system records, along with certain personal information, May Be
provided to law enforcement officials.
****WARNING****WARNING****WARNING****
^C
!
line con 0
line vty 0 4
 password 7 0216054818110033481F
 login
line vty 5 15
 login local
!
ntp server 10.40.10.19
end