Hello Forum,
I'm struggling with the "Foreign pdu on interface 84" and 85 issue popping up in my syslogs. My first issue is, what exactly is port 84 and 85? How do I correlate this to a physical interface such as 2/g32? Which incidentally is my best guess at this point...
Secondly, are there any general troubleshooting tips that you can offer as far as identifying the source of foreign pdu's?
Configuration. This is a 2 unit stack of 6248s stacked with the stacking module ports on the rear of the units.
!Current Configuration:
!System Description "PowerConnect 6248, 3.3.2.3, VxWorks 6.5"
!System Software Version 3.3.2.3
!Cut-through mode is configured as disabled
!
configure
vlan protocol group 1
vlan protocol group name 1 "##########"
vlan database
vlan 2-13,15-18,81-88,100,252-254
ip igmp snooping 6
ip igmp snooping querier 6
ip igmp snooping querier election participate 6
vlan routing 254 1
vlan routing 2 2
vlan routing 100 3
protocol group 1 6
vlan association subnet XXX.YYY.16.0 255.255.255.0 16
vlan association subnet XXX.YYY.17.0 255.255.255.0 17
exit
snmp-server location "#########"
snmp-server contact "########"
hostname "########"
sntp unicast client enable
sntp server XXX.YYY.7.4 priority 3
sntp server XXX.YYY.0.8
sntp server XXX.YYY.0.9 priority 2
clock summer-time recurring USA zone "EDST"
clock timezone -5 minutes 0 zone "EST"
stack
member 1 2
member 2 2
exit
switch 1 priority 1
switch 2 priority 1
ip address AAA.BBB.2.253 255.255.255.0
ip default-gateway AAA.BBB.2.1
ip domain-name echoman.local
ip name-server 10.1.0.8
ip name-server 10.1.0.9
logging XXX.YYY.254.8
exit
ip routing
ip route 0.0.0.0 0.0.0.0 XXX.YYY.0.5
interface vlan 2
name "I###########"
routing
ip address XXX.YYY.3.253 255.255.252.0
bandwidth 10000
ip mtu 1500
exit
interface vlan 3
name "########"
exit
interface vlan 4
name "########"
exit
interface vlan 5
name "########"
exit
interface vlan 6
bridge multicast forward-all
name "########"
exit
interface vlan 7
name "########"
exit
interface vlan 8
name "########"
exit
interface vlan 9
name "########"
exit
interface vlan 10
name "########"
exit
interface vlan 11
name "########"
exit
interface vlan 12
name "########"
exit
interface vlan 13
name "########"
exit
interface vlan 15
name "########"
exit
interface vlan 16
name "########"
exit
interface vlan 17
name "########"
exit
interface vlan 18
name "########"
exit
interface vlan 81
name "########"
exit
interface vlan 82
name "########"
exit
interface vlan 83
name "########"
exit
interface vlan 84
name "########"
exit
interface vlan 85
name "########"
exit
interface vlan 86
name "########"
exit
interface vlan 87
name "########"
exit
interface vlan 88
name "########"
exit
interface vlan 100
name "########"
routing
ip address XXX.YYY.111.253 255.255.240.0
bandwidth 10000000
ip mtu 1518
exit
interface vlan 252
name "########"
exit
interface vlan 253
name "########"
exit
interface vlan 254
name "########"
routing
ip address XXX.YYY.254.253 255.255.255.0
exit
username "########" password ################################# level 15 encrypted
bridge multicast filtering
ip igmp snooping
ip igmp snooping querier
ip multicast
ip igmp
!
interface ethernet 1/g1
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 1/g2
channel-group 2 mode auto
spanning-tree disable
spanning-tree portfast
mtu 9216
exit
!
interface ethernet 1/g3
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 1/g4
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 1/g5
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 1/g6
spanning-tree disable
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g7
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 1/g8
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 1/g9
spanning-tree disable
spanning-tree portfast
switchport access vlan 7
exit
!
interface ethernet 1/g10
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 1/g11
spanning-tree disable
spanning-tree portfast
switchport access vlan 4
exit
!
interface ethernet 1/g12
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 1/g13
channel-group 13 mode auto
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 1/g14
channel-group 13 mode auto
spanning-tree disable
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g15
channel-group 13 mode auto
spanning-tree disable
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g16
spanning-tree disable
spanning-tree portfast
switchport access vlan 100
exit
!
interface ethernet 1/g17
spanning-tree disable
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g18
spanning-tree disable
spanning-tree portfast
switchport access vlan 6
exit
!
interface ethernet 1/g19
channel-group 19 mode on
spanning-tree disable
spanning-tree portfast
switchport access vlan 254
exit
!
interface ethernet 1/g20
shutdown
spanning-tree disable
spanning-tree portfast
switchport access vlan 254
exit
!
interface ethernet 1/g21
description '############'
spanning-tree disable
spanning-tree portfast
spanning-tree auto-portfast
switchport access vlan 254
exit
!
interface ethernet 1/g22
description '############'
spanning-tree disable
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g23
channel-group 23 mode auto
description '############'
spanning-tree disable
spanning-tree portfast
switchport access vlan 254
exit
!
interface ethernet 1/g24
channel-group 24 mode auto
description '############'
spanning-tree disable
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g25
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 1/g26
spanning-tree disable
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g27
shutdown
spanning-tree disable
spanning-tree portfast
switchport access vlan 10
exit
!
interface ethernet 1/g28
spanning-tree disable
spanning-tree portfast
switchport access vlan 10
exit
!
interface ethernet 1/g29
description '############'
spanning-tree disable
spanning-tree portfast
switchport access vlan 3
exit
!
interface ethernet 1/g30
spanning-tree disable
spanning-tree portfast
switchport access vlan 8
exit
!
interface ethernet 1/g31
description '############'
spanning-tree portfast
switchport access vlan 17
exit
!
interface ethernet 1/g32
description '############'
spanning-tree disable
spanning-tree portfast
switchport access vlan 17
exit
!
interface ethernet 1/g33
channel-group 33 mode auto
description '############'
spanning-tree portfast
mtu 9216
switchport access vlan 18
exit
!
interface ethernet 1/g34
description '############'
spanning-tree disable
spanning-tree portfast
mtu 9216
switchport access vlan 18
exit
!
interface ethernet 1/g35
channel-group 35 mode on
spanning-tree disable
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 1/g36
spanning-tree disable
spanning-tree portfast
mtu 9216
switchport forbidden vlan add 5,100
exit
!
interface ethernet 1/g37
shutdown
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 1/g38
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 1/g39
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 1/g40
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 1/g41
protocol vlan group 1
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 1/g42
protocol vlan group 1
spanning-tree disable
spanning-tree portfast
switchport access vlan 6
exit
!
interface ethernet 1/g43
protocol vlan group 1
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 1/g44
protocol vlan group 1
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 1/g45
channel-group 45 mode auto
protocol vlan group 1
spanning-tree disable
spanning-tree portfast
switchport mode trunk
switchport forbidden vlan add 1
switchport trunk allowed vlan add 100,254
exit
!
interface ethernet 1/g46
channel-group 46 mode auto
protocol vlan group 1
spanning-tree disable
spanning-tree portfast
switchport mode trunk
switchport forbidden vlan add 1
switchport trunk allowed vlan add 100,254
exit
!
interface ethernet 1/g47
protocol vlan group 1
spanning-tree disable
spanning-tree portfast
switchport access vlan 3
exit
!
interface ethernet 1/g48
protocol vlan group 1
spanning-tree disable
spanning-tree portfast
spanning-tree mst 0 external-cost 20000
switchport access vlan 3
exit
!
interface ethernet 1/xg1
shutdown
exit
!
interface ethernet 1/xg2
shutdown
exit
!
interface ethernet 1/xg3
shutdown
exit
!
interface ethernet 1/xg4
shutdown
exit
!
interface ethernet 2/g1
spanning-tree disable
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g2
channel-group 2 mode auto
spanning-tree disable
spanning-tree portfast
mtu 9216
exit
!
interface ethernet 2/g3
spanning-tree disable
spanning-tree portfast
switchport access vlan 7
exit
!
interface ethernet 2/g4
spanning-tree disable
spanning-tree portfast
switchport access vlan 7
exit
!
interface ethernet 2/g5
spanning-tree disable
spanning-tree portfast
switchport access vlan 7
exit
!
interface ethernet 2/g6
spanning-tree disable
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g7
spanning-tree disable
spanning-tree portfast
switchport access vlan 7
exit
!
interface ethernet 2/g8
spanning-tree disable
spanning-tree portfast
switchport access vlan 7
exit
!
interface ethernet 2/g9
spanning-tree disable
spanning-tree portfast
switchport access vlan 7
exit
!
interface ethernet 2/g10
spanning-tree disable
spanning-tree portfast
switchport access vlan 7
exit
!
interface ethernet 2/g11
spanning-tree disable
spanning-tree portfast
switchport access vlan 7
exit
!
interface ethernet 2/g12
spanning-tree disable
spanning-tree portfast
switchport access vlan 7
exit
!
interface ethernet 2/g13
channel-group 13 mode auto
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 2/g14
channel-group 13 mode auto
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 2/g15
channel-group 13 mode auto
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 2/g16
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 2/g17
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 2/g18
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 2/g19
channel-group 19 mode on
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 2/g20
description '#########'
spanning-tree disable
spanning-tree portfast
spanning-tree mst 0 external-cost 20000
switchport access vlan 2
exit
!
interface ethernet 2/g21
description '############'
spanning-tree disable
spanning-tree portfast
switchport access vlan 254
exit
!
interface ethernet 2/g22
description '############'
spanning-tree disable
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g23
channel-group 23 mode auto
description '############'
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 2/g24
channel-group 24 mode auto
description '############'
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 2/g25
spanning-tree disable
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g26
spanning-tree disable
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g27
spanning-tree disable
spanning-tree portfast
switchport access vlan 10
exit
!
interface ethernet 2/g28
spanning-tree disable
spanning-tree portfast
switchport access vlan 10
exit
!
interface ethernet 2/g29
description '############'
spanning-tree disable
spanning-tree portfast
switchport access vlan 3
exit
!
interface ethernet 2/g30
spanning-tree disable
spanning-tree portfast
switchport access vlan 8
exit
!
interface ethernet 2/g31
description '############'
spanning-tree portfast
switchport access vlan 17
exit
!
interface ethernet 2/g32
description '############'
spanning-tree disable
spanning-tree portfast
switchport access vlan 17
exit
!
interface ethernet 2/g33
description '############'
spanning-tree portfast
mtu 9216
switchport access vlan 18
exit
!
interface ethernet 2/g34
description '############'
spanning-tree disable
spanning-tree portfast
mtu 9216
switchport access vlan 18
exit
!
interface ethernet 2/g35
channel-group 35 mode on
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 2/g36
spanning-tree disable
spanning-tree portfast
switchport mode trunk
switchport trunk allowed vlan add 254
exit
!
interface ethernet 2/g37
shutdown
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 2/g38
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 2/g39
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 2/g40
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 2/g41
protocol vlan group 1
spanning-tree disable
spanning-tree portfast
exit
!
interface ethernet 2/g42
protocol vlan group 1
spanning-tree disable
spanning-tree portfast
switchport access vlan 6
exit
!
interface ethernet 2/g43
protocol vlan group 1
spanning-tree disable
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g44
protocol vlan group 1
spanning-tree disable
spanning-tree portfast
switchport access vlan 2
exit
!
interface ethernet 2/g45
channel-group 45 mode auto
protocol vlan group 1
spanning-tree disable
spanning-tree portfast
switchport mode trunk
switchport forbidden vlan add 1
switchport trunk allowed vlan add 2,5-6,100,254
exit
!
interface ethernet 2/g46
channel-group 46 mode auto
protocol vlan group 1
spanning-tree disable
spanning-tree portfast
switchport mode trunk
switchport forbidden vlan add 1
switchport trunk allowed vlan add 2,5-6,100,254
exit
!
interface ethernet 2/g47
protocol vlan group 1
spanning-tree disable
spanning-tree portfast
spanning-tree mst 0 external-cost 200000
switchport access vlan 3
exit
!
interface ethernet 2/g48
protocol vlan group 1
spanning-tree disable
spanning-tree portfast
spanning-tree mst 0 external-cost 20000
switchport access vlan 3
exit
!
interface port-channel 1
hashing-mode 6
spanning-tree portfast
switchport mode trunk
switchport trunk allowed vlan add 2,5-6,100,254
exit
!
interface port-channel 2
description 'UPLINK B2'
spanning-tree portfast
switchport mode trunk
switchport trunk allowed vlan add 2,10,100,254
exit
!
interface port-channel 3
spanning-tree portfast
exit
!
interface port-channel 4
spanning-tree portfast
exit
!
interface port-channel 5
spanning-tree portfast
exit
!
interface port-channel 6
spanning-tree portfast
exit
!
interface port-channel 7
spanning-tree portfast
exit
!
interface port-channel 8
spanning-tree portfast
exit
!
interface port-channel 9
spanning-tree portfast
exit
!
interface port-channel 10
spanning-tree portfast
exit
!
interface port-channel 11
spanning-tree portfast
exit
!
interface port-channel 12
spanning-tree portfast
exit
!
interface port-channel 13
description '############'
spanning-tree cost 10000
spanning-tree portfast
spanning-tree mst 0 external-cost 10000
switchport mode trunk
switchport trunk allowed vlan add 2-7,81-88,100,252-254
exit
!
interface port-channel 14
spanning-tree portfast
exit
!
interface port-channel 15
spanning-tree portfast
exit
!
interface port-channel 16
spanning-tree portfast
exit
!
interface port-channel 17
spanning-tree portfast
exit
!
interface port-channel 18
spanning-tree portfast
switchport mode trunk
exit
!
interface port-channel 19
description '############'
spanning-tree portfast
switchport mode trunk
switchport trunk allowed vlan add 2,254
exit
!
interface port-channel 20
spanning-tree portfast
exit
!
interface port-channel 21
spanning-tree portfast
exit
!
interface port-channel 22
spanning-tree portfast
exit
!
interface port-channel 23
description '############'
spanning-tree portfast
switchport mode trunk
switchport trunk allowed vlan add 2,4-7,16,81,84-86,88,100,252-253
exit
!
interface port-channel 24
description '############'
spanning-tree portfast
switchport mode trunk
switchport trunk allowed vlan add 2,4-7,16,81,84-86,88,100,252-253
exit
!
interface port-channel 25
spanning-tree portfast
exit
!
interface port-channel 26
spanning-tree portfast
exit
!
interface port-channel 27
spanning-tree portfast
exit
!
interface port-channel 28
spanning-tree portfast
exit
!
interface port-channel 29
spanning-tree disable
spanning-tree portfast
switchport mode trunk
switchport trunk allowed vlan add 253-254
exit
!
interface port-channel 30
spanning-tree portfast
exit
!
interface port-channel 31
spanning-tree portfast
switchport mode trunk
exit
!
interface port-channel 32
spanning-tree portfast
exit
!
interface port-channel 33
spanning-tree portfast
switchport mode trunk
switchport trunk allowed vlan add 6
exit
!
interface port-channel 34
spanning-tree portfast
exit
!
interface port-channel 35
spanning-tree portfast
switchport mode trunk
switchport trunk allowed vlan add 2,15,254
exit
!
interface port-channel 36
spanning-tree portfast
switchport mode trunk
switchport trunk allowed vlan add 2,5-6,100,254
exit
!
interface port-channel 37
spanning-tree portfast
exit
!
interface port-channel 38
spanning-tree portfast
exit
!
interface port-channel 39
spanning-tree portfast
exit
!
interface port-channel 40
spanning-tree portfast
exit
!
interface port-channel 41
spanning-tree portfast
exit
!
interface port-channel 42
spanning-tree portfast
exit
!
interface port-channel 43
spanning-tree portfast
exit
!
interface port-channel 44
spanning-tree portfast
exit
!
interface port-channel 45
description '############'
spanning-tree portfast
switchport mode trunk
switchport trunk allowed vlan add 2,4-7,16,81-88,100,253-254
exit
!
interface port-channel 46
spanning-tree portfast
switchport mode trunk
switchport trunk allowed vlan add 2,5-7,16,81-88,100,253-254
exit
!
interface port-channel 47
spanning-tree portfast
exit
!
interface port-channel 48
description '############'
spanning-tree portfast
exit
no snmp-server enable traps
snmp-server group Monitoring v3 priv read Default
snmp-server user god backup auth-sha-key ###################################### dd priv-des-key ##########################################
snmp-server user backup backup
snmp-server user Monitor Monitoring auth-md5-key ##################################
snmp-server community-group ###_##### backup ipaddress XX.Y.254.6
snmp-server community ####_##