HP Procurve 2910+AL switch Drops Internet Connection

[SwaroopKrishna]

Hai All,

Recently I upgrade my network in my company,i am not a network specialist and i dont know HP Switches that much. But I try my best to do some works and I successfully finish my data and Voice vlans for users. Now the problem I got there is a drop in internet connection every 30 to 40 minutes even in my core switch. My firewall is Cisco asa 5505 (IP 192.168.20.1) my core switch is Alcatel 6850(192.168.1.1/172.16.100.1). Here i am attaching my Core switch configuration file and hp procurve configuration file.(Sorry for my bad English)

Alcatel-

login : admin
password :

Welcome to the Alcatel-Lucent OmniSwitch 6000
Software Version 6.1.5.611.R01 Service Release, October 09, 2008.

Copyright(c), 1994-2007 Alcatel-Lucent. All Rights reserved.

OmniSwitch(TM) is a trademark of Alcatel-Lucent registered
in the United States Patent and Trademark Office.

->
-> show configuration snapshot
! Stack Manager :
! Chassis :
system name vxTarget
! Configuration:
! VLAN :
vlan 1 enable name "Admin_Vlan"
vlan 2 enable name "Management_Vlan"
vlan 10 enable name "VLAN 10"
vlan 10 port default 1/9
vlan 10 port default 1/10
vlan 10 port default 1/11
vlan 10 port default 1/15
vlan 10 port default 1/16
vlan 10 port default 1/19
vlan 10 port default 1/20
vlan 10 port default 1/21
vlan 10 port default 1/22
vlan 20 enable name "Guest_Vlan"
vlan 20 port default 1/14
vlan 20 port default 1/17
vlan 20 port default 1/18
vlan 20 port default 1/23
vlan 50 enable name "Voice"
vlan 50 port default 1/12
vlan 50 port default 1/13
! VLAN SL:
! IP :
ip service all
ip interface "Mngt" address 172.16.100.1 mask 255.255.255.0 vlan 2 ifindex 1
ip interface "Guest" address 192.168.20.2 mask 255.255.255.0 vlan 20 ifindex 2
ip interface "Admin" address 192.168.1.1 mask 255.255.255.0 vlan 10 ifindex 3
ip interface "Voice" address 192.168.50.1 mask 255.255.255.0 vlan 50 ifindex 4
! IPX :
! IPMS :
! AAA :
aaa authentication default "local"
aaa authentication console "local"
! PARTM :
! AVLAN :
! 802.1x :
! QOS :
! Policy manager :
! Session manager :
! SNMP :
! RIP :
! OSPF :
! IP multicast :
! IPv6 :
ip static-route 0.0.0.0/0 gateway 192.168.20.1 metric 1
! RIPng :
! OSPF3 :
! BGP :
! Health monitor :
! Interface :
! Port Mapping :
! Link Aggregate :
! VLAN AGG:
! 802.1Q :
vlan 2 802.1q 1/1 "TAG PORT 1/1 VLAN 2"
vlan 10 802.1q 1/1 "TAG PORT 1/1 VLAN 10"
vlan 20 802.1q 1/1 "TAG PORT 1/1 VLAN 20"
vlan 50 802.1q 1/1 "TAG PORT 1/1 VLAN 50"
vlan 2 802.1q 1/2 "TAG PORT 1/2 VLAN 2"
vlan 10 802.1q 1/2 "TAG PORT 1/2 VLAN 10"
vlan 20 802.1q 1/2 "TAG PORT 1/2 VLAN 20"
vlan 50 802.1q 1/2 "TAG PORT 1/2 VLAN 50"
vlan 2 802.1q 1/3 "TAG PORT 1/3 VLAN 2"
vlan 10 802.1q 1/3 "TAG PORT 1/3 VLAN 10"
vlan 20 802.1q 1/3 "TAG PORT 1/3 VLAN 20"
vlan 50 802.1q 1/3 "TAG PORT 1/3 VLAN 50"
vlan 2 802.1q 1/4 "TAG PORT 1/4 VLAN 2"
vlan 10 802.1q 1/4 "TAG PORT 1/4 VLAN 10"
vlan 20 802.1q 1/4 "TAG PORT 1/4 VLAN 20"
vlan 50 802.1q 1/4 "TAG PORT 1/4 VLAN 50"
vlan 2 802.1q 1/5 "TAG PORT 1/5 VLAN 2"
vlan 10 802.1q 1/5 "TAG PORT 1/5 VLAN 10"
vlan 20 802.1q 1/5 "TAG PORT 1/5 VLAN 20"
vlan 50 802.1q 1/5 "TAG PORT 1/5 VLAN 50"
vlan 2 802.1q 1/6 "TAG PORT 1/6 VLAN 2"
vlan 10 802.1q 1/6 "TAG PORT 1/6 VLAN 10"
vlan 20 802.1q 1/6 "TAG PORT 1/6 VLAN 20"
vlan 50 802.1q 1/6 "TAG PORT 1/6 VLAN 50"
vlan 2 802.1q 1/7 "TAG PORT 1/7 VLAN 2"
vlan 10 802.1q 1/7 "TAG PORT 1/7 VLAN 10"
vlan 20 802.1q 1/7 "TAG PORT 1/7 VLAN 20"
vlan 50 802.1q 1/7 "TAG PORT 1/7 VLAN 50"
vlan 2 802.1q 1/8 "TAG PORT 1/8 VLAN 2"
vlan 10 802.1q 1/8 "TAG PORT 1/8 VLAN 10"
vlan 20 802.1q 1/8 "TAG PORT 1/8 VLAN 20"
vlan 50 802.1q 1/8 "TAG PORT 1/8 VLAN 50"
vlan 1 802.1q 1/23 "TAG PORT 1/23 VLAN 1"
vlan 2 802.1q 1/23 "TAG PORT 1/23 VLAN 2"
vlan 10 802.1q 1/23 "TAG PORT 1/23 VLAN 10"
vlan 50 802.1q 1/23 "TAG PORT 1/23 VLAN 50"
vlan 2 802.1q 1/24 "TAG PORT 1/24 VLAN 2"
vlan 10 802.1q 1/24 "TAG PORT 1/24 VLAN 10"
vlan 20 802.1q 1/24 "TAG PORT 1/24 VLAN 20"
vlan 50 802.1q 1/24 "TAG PORT 1/24 VLAN 50"
! Spanning tree :
bridge mode 1x1
bridge 1x1 1 priority 0
bridge 1x1 2 priority 0
bridge 1x1 10 priority 0
bridge 1x1 20 priority 0
! Bridging :
! Bridging :
! Port mirroring :
! UDP Relay :
ip helper per-vlan only
ip helper address 192.168.20.1 vlan 20
ip helper forward delay 0
ip helper maximum hops 10
! Server load balance :
! System service :
! SSH :
! VRRP :
! Web :
! AMAP :
! Lan  Power :
! NTP :
! RDP :
! VLAN STACKING:
->

And here is my HP Procurve configuration

Startup configuration:

; J9146A Configuration Editor; Created on release #W.14.38

hostname "ProCurve 2910al-24G-PoE Switch"
module 1 type J9146A
mirror-port 20
interface 13
   flow-control
exit
trunk 24 Trk1 Trunk
ip default-gateway 172.16.100.1
vlan 1
   name "DEFAULT_VLAN"
   untagged 21-23
   no untagged 1-20,Trk1
   no ip address
   exit
vlan 10
   name "VLAN10"
   untagged 1-20
   tagged Trk1
   no ip address
   exit
vlan 50
   name "Voice"
   tagged 1-20,Trk1
   no ip address
   exit
vlan 2
   name "Management"
   ip address 172.16.100.11 255.255.255.0
   tagged Trk1
   exit
fault-finder bad-driver sensitivity high
fault-finder bad-transceiver sensitivity high
fault-finder bad-cable sensitivity high
fault-finder too-long-cable sensitivity high
fault-finder over-bandwidth sensitivity high
fault-finder broadcast-storm sensitivity high
fault-finder loss-of-link sensitivity high
fault-finder duplex-mismatch-HDx sensitivity high
fault-finder duplex-mismatch-FDx sensitivity high
snmp-server community "public" unrestricted
snmp-server contact "Swaru" location "IT OFFICE"
spanning-tree Trk1 priority 4
primary-vlan 2
password manager
password operator

ProCurve 2910al-24G-PoE Switch(vlan-10)#

Please help me to find a solution.

[bjulin]

The best place to start is to check the logs on all devices for any abnormal entries that happen during your outages, for example to see if there are any spanning tree issues.

[Vince_Whirlwind]

Yes, after checking the logs, create a detailed document of your network topology - use LLDP to map out which switch interfaces connect to what, write it all up on a diagram together with IP addresses and mark the VLAN assignments for each switchport.