I have a stack of three 6248 switches. One and two work great, the third one "all of a sudden" has bad latency and occasional drops. Its too bad to keep users on it.
I have reseated stacking cables even though its says they are "OK". I have unplugged everything from the switch and plugged in one host, that host had slow ping times.
I have spanning tree and portfast enabled on all host access ports.
I went ahead and ordered a new switch to replace this one but am very curious what the cause is. Any help would be greatly appreciated.
below is the running config
running-config E tÖ
!Current Configuration:
!System Description "PowerConnect 6248, 3.3.1.10, VxWorks 6.5"
!System Software Version 3.3.1.10
!Cut-through mode is configured as disabled
!
configure
vlan database
vlan 165-166,168
vlan routing 168 1
vlan routing 165 4
vlan routing 166 5
exit
snmp-server location "helpme"
snmp-server contact "hello "
hostname "helpme"
sntp unicast client enable
sntp server 172.16.15.206 priority 2
clock timezone -6 minutes 0 zone "cst"
stack
member 1 2
member 2 2
member 3 2
exit
ip address 192.168.1.250 255.255.255.0
ip default-gateway 192.168.1.1
ip domain-name corpdom.com
ip name-server 172.16.15.206
logging file debug
ip routing
ip route 0.0.0.0 0.0.0.0 172.16.15.172
arp dynamicrenew
arp timeout 900
ip helper-address 172.16.15.206 time
ip helper-address 172.16.15.206 nameserver
ip helper-address 172.16.15.206 tacacs
ip helper-address 172.16.15.206 domain
ip helper-address 172.16.15.206 dhcp
ip helper-address 172.16.15.206 netbios-ns
ip helper-address 172.16.15.206 netbios-dgm
interface vlan 165
name "servers"
routing
ip address 172.16.15.4 255.255.255.0
exit
interface vlan 166
name "worksations"
routing
ip address 172.16.16.4 255.255.255.0
exit
interface vlan 168
name "other"
routing
ip address 172.16.18.4 255.255.255.0
bandwidth 100000
ip local-proxy-arp
ip mtu 1500
exit
username "helpme" XXXXXXXX 5f4dcc3b5aa765d61d8327deb882cf99 level 15 encrypted
spanning-tree bpdu flooding
spanning-tree priority 4096
bridge aging-time 1230
!
interface ethernet 1/g1
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g2
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g3
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g4
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g5
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g6
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 1/g7
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g8
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g9
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g10
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g11
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g12
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g13
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 1/g14
negotiation 100f 1000f
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g15
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g16
negotiation 100f 1000f
spanning-tree portfast
switchport access vlan 168
exit
!
interface ethernet 1/g17
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 1/g18
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g19
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g20
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 1/g21
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 1/g22
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 1/g23
channel-group 1 mode on
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g24
channel-group 1 mode on
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g25
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g26
description 'CR-1'
spanning-tree portfast
spanning-tree tcnguard
spanning-tree auto-portfast
switchport access vlan 168
exit
!
interface ethernet 1/g27
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 1/g28
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g29
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 1/g30
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 1/g31
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g32
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g33
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g34
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 1/g35
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g36
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 1/g37
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g38
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 1/g39
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g40
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 1/g41
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g42
spanning-tree portfast
switchport access vlan 168
exit
!
interface ethernet 1/g43
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 1/g44
spanning-tree portfast
switchport access vlan 168
exit
!
interface ethernet 1/g45
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 1/g46
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g47
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/g48
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 1/xg1
spanning-tree portfast
exit
!
interface ethernet 1/xg2
spanning-tree portfast
exit
!
interface ethernet 1/xg3
spanning-tree portfast
exit
!
interface ethernet 1/xg4
spanning-tree portfast
exit
!
interface ethernet 2/g1
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g2
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 2/g3
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g4
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g5
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g6
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g7
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g8
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g9
description 'printer'
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g10
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g11
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g12
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 2/g13
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g14
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g15
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g16
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g17
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g18
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 2/g19
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g20
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g21
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g22
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g23
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 2/g24
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g25
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g26
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g27
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g28
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g29
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g30
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g31
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g32
lacp timeout short
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 2/g33
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g34
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 2/g35
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g36
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g37
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 2/g38
lacp timeout short
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 2/g39
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g40
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g41
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g42
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g43
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g44
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g45
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g46
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g47
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 2/g48
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 2/xg1
spanning-tree portfast
exit
!
interface ethernet 2/xg2
spanning-tree portfast
exit
!
interface ethernet 2/xg3
spanning-tree portfast
exit
!
interface ethernet 2/xg4
spanning-tree portfast
exit
!
interface ethernet 3/g1
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g2
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g3
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g4
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g5
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g6
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g7
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g8
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g9
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g10
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g11
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g12
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g13
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g14
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g15
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g16
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g17
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g18
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g19
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g20
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g21
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g22
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g23
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g24
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g25
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g26
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g27
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g28
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g29
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g30
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g31
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g32
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g33
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g34
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g35
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g36
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g37
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g38
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g39
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g40
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g41
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g42
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g43
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g44
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g45
spanning-tree portfast
switchport access vlan 166
exit
!
interface ethernet 3/g46
negotiation 1000f
description 'fiber2'
spanning-tree portfast
switchport access vlan 165
exit
!
interface ethernet 3/g47
description 'Century'
spanning-tree portfast
switchport access vlan 165
switchport protected 2
exit
!
interface ethernet 3/g48
shutdown
description '18subnet'
spanning-tree disable
spanning-tree portfast
spanning-tree auto-portfast
switchport access vlan 165
exit
!
interface ethernet 3/xg1
spanning-tree portfast
exit
!
interface ethernet 3/xg2
spanning-tree portfast
exit
!
interface ethernet 3/xg3
spanning-tree portfast
exit
!
interface ethernet 3/xg4
spanning-tree portfast
exit
!
interface port-channel 1
description 'LAG test'
switchport access vlan 165
exit
!
interface port-channel 2
switchport access vlan 166
exit
!
interface port-channel 3
switchport access vlan 168
exit
!
interface port-channel 4
description 'fibertest'
exit
!
interface port-channel 48
description 'test2'
exit
snmp-server group public v2 read Default write Default
snmp-server group DefaultSuper v3 priv notify Default read Default write Default
snmp-server user admin DefaultSuper
snmp-server community snmp3 su ipaddress 172.16.15.253
exit