Hi thanks for the response.
here's the config and logs from the offending switch
I 09/11/09 08:45:05 ports: port 10 is now on-line
I 09/11/09 08:46:11 ports: port 10 is now off-line
I 09/11/09 08:46:14 ports: port 10 is Blocked by LACP
I 09/11/09 08:46:17 ports: port 10 is now on-line
I 09/11/09 08:47:19 ports: port 10 is now off-line
I 09/11/09 08:47:21 ports: port 10 is Blocked by LACP
I 09/11/09 08:47:24 ports: port 10 is now on-line
I 09/11/09 08:48:32 ports: port 10 is now off-line
I 09/11/09 08:48:34 ports: port 10 is Blocked by LACP
I 09/11/09 08:48:37 ports: port 10 is now on-line
I 09/11/09 08:49:43 ports: port 10 is now off-line
I 09/11/09 08:49:45 ports: port 10 is Blocked by LACP
I 09/11/09 08:49:48 ports: port 10 is now on-line
I 09/11/09 08:50:55 ports: port 10 is now off-line
I 09/11/09 08:50:57 ports: port 10 is Blocked by LACP
I 09/11/09 08:51:00 ports: port 10 is now on-line
I 09/11/09 08:52:07 ports: port 10 is now off-line
I 09/11/09 08:52:09 ports: port 10 is Blocked by LACP
I 09/11/09 08:52:12 ports: port 10 is now on-line
W 09/11/09 08:52:29 FFI: port 10-Excessive CRC/alignment errors. See help.
I 09/11/09 08:53:18 ports: port 10 is now off-line
I 09/11/09 08:53:20 ports: port 10 is Blocked by LACP
I 09/11/09 08:53:23 ports: port 10 is now on-line
I 09/11/09 08:54:26 ports: port 10 is now off-line
I 09/11/09 08:54:28 ports: port 10 is Blocked by LACP
I 09/11/09 08:54:31 ports: port 10 is now on-line
I 09/11/09 08:55:35 ports: port 10 is now off-line
I 09/11/09 08:55:38 ports: port 10 is Blocked by LACP
I 09/11/09 08:55:41 ports: port 10 is now on-line
I 09/11/09 08:56:48 ports: port 10 is now off-line
I 09/11/09 08:56:50 ports: port 10 is Blocked by LACP
I 09/11/09 08:56:53 ports: port 10 is now on-line
I 09/11/09 08:57:58 ports: port 10 is now off-line
I 09/11/09 08:58:00 ports: port 10 is Blocked by LACP
I 09/11/09 08:58:03 ports: port 10 is now on-line
I 09/11/09 08:59:09 ports: port 10 is now off-line
I 09/11/09 08:59:11 ports: port 10 is Blocked by LACP
I 09/11/09 08:59:14 ports: port 10 is now on-line
I 09/11/09 09:00:17 ports: port 10 is now off-line
I 09/11/09 09:00:19 ports: port 10 is Blocked by LACP
I 09/11/09 09:00:22 ports: port 10 is now on-line
I 09/11/09 09:01:28 ports: port 10 is now off-line
I 09/11/09 09:01:30 ports: port 10 is Blocked by LACP
I 09/11/09 09:01:33 ports: port 10 is now on-line
I 09/11/09 09:02:37 ports: port 10 is now off-line
I 09/11/09 09:02:39 ports: port 10 is Blocked by LACP
I 09/11/09 09:02:42 ports: port 10 is now on-line
W 09/11/09 09:02:59 FFI: port 10-Excessive CRC/alignment errors. See help.
I 09/11/09 09:03:48 ports: port 10 is now off-line
I 09/11/09 09:03:50 ports: port 10 is Blocked by LACP
I 09/11/09 09:03:53 ports: port 10 is now on-line
I 09/11/09 09:05:00 ports: port 10 is now off-line
server_room(config)# arp eth 10
Invalid input: arp
server_room(config)# sho mac eth 10
Status and Counters - Port Address Table - 10
MAC Address
-------------
08000f-14d86b
server_room(config)# clear
Incomplete input: clear
server_room(config)# cls
Invalid input: cls
server_room(config)# new
Invalid input: new
server_room(config)# c
cdp
clock
console
crypto
clear
copy
server_room(config)# clear
Incomplete input: clear
server_room(config)#
aaa Configure the switch Authentication, Authorization, and
Accounting features.
auto-tftp Enable/disable automatic OS image download via TFTP
during boot.
broadcast-limit Set a broadcast traffic percentage limit.
cdp Set various CDP (Cisco Discovery Protocol) parameters.
clock Display/set current time, date, and local time
parameters.
console Set various console parameters.
crypto Install or remove authentication files for ssh or https
server.
dhcp-relay Enable/disable DHCP relay agent on the device.
fault-finder Enable/disable fault finder and set sensitivity.
filter Set or edit traffic/security filters.
front-panel-security Enable/disable the ability to clear the password(s)
and/or configuration via the front panel buttons.
gvrp Enable/disable GARP VLAN Registration Protocol (GVRP).
hostname Specify the device name for administrative purposes.
igmp Configure various global IGMP parameters for the
switch.
interface Enter the Interface Configuration Level, or execute one
command for that level.
server_room(config)#
aaa Configure the switch Authentication, Authorization, and
Accounting features.
auto-tftp Enable/disable automatic OS image download via TFTP
during boot.
broadcast-limit Set a broadcast traffic percentage limit.
cdp Set various CDP (Cisco Discovery Protocol) parameters.
clock Display/set current time, date, and local time
parameters.
console Set various console parameters.
crypto Install or remove authentication files for ssh or https
server.
dhcp-relay Enable/disable DHCP relay agent on the device.
fault-finder Enable/disable fault finder and set sensitivity.
filter Set or edit traffic/security filters.
front-panel-security Enable/disable the ability to clear the password(s)
and/or configuration via the front panel buttons.
gvrp Enable/disable GARP VLAN Registration Protocol (GVRP).
hostname Specify the device name for administrative purposes.
igmp Configure various global IGMP parameters for the
switch.
interface Enter the Interface Configuration Level, or execute one
command for that level.
ip Configure various IP parameters for the switch.
lldp Configuration for LLDP parameter.
lockout-mac Lock out a MAC address.
logging Add an IP address to the list of receiving syslog
servers.
mac-age-time Set the MAC address table's age-out interval.
management-vlan Set the VLAN that is to be used as the management VLAN.
max-vlans Set the maximum number of VLANs on the switch.
mirror-port Define the mirror port for diagnostic purposes.
password Set or clear local password/username for manager and/or
operator.
port-security Set the port-security operation(s) for each port in
port list.
power Set Power Over Ethernet(poe) configuration parameters.
primary-vlan Set the VLAN that is to be used as the primary VLAN.
qos Configure Quality of Service (QoS) on the device.
radius-server Configure RADIUS parameters.
snmp-server Configure the device SNMP server.
snmpv3 Configure SNMPv3 features.
sntp Configure the Simple Network Time Protocol (SNTP).
spanning-tree Set the parameters for operation of the switch in a
spanning tree topology.
stack Configure device to/from a stack - a group of devices
server_room(config)# clear
arp Flush all non-permanent entries in the ARP cache.
crypto Remove client public keys from active configuration.
intrusion-flags Reset the Alert Flag on all ports.
statistics Reset all counters for the specified ports.
server_room(config)#
server_room#
server_room>
Do you want to log out [y/n]? n
server_room> en
server_room# conf
server_room(config)# menu
server_room 15-Sep-2009 11:44:37
===========================- TELNET - MANAGER MODE -============================
Main Menu
1. Status and Counters...
2. Switch Configuration...
3. Console Passwords...
4. Event Log
5. Command Line (CLI)
6. Reboot Switch
7. Download OS
8. Run Setup
9. Stacking...
0. Logout
To select menu item, press item number, or highlight item and press <Enter>.
server_room(config)# sh run
Running configuration:
; J8164A Configuration Editor; Created on release #H.08.83
hostname "removed"
snmp-server contact "removed"
snmp-server location "Comms Room"
interface 23
flow-control
exit
snmp-server community "public" Unrestricted
vlan 1
name "DEFAULT_VLAN"
untagged 1-26
ip address dhcp-bootp
exit
removed(config)#
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
I 09/12/09 09:58:30 ports: port 10 is now off-line
I 09/12/09 09:58:32 ports: port 10 is Blocked by LACP
I 09/12/09 09:58:35 ports: port 10 is now on-line
W 09/12/09 09:58:52 FFI: port 10-Excessive CRC/alignment errors. See help.
I 09/12/09 09:59:39 ports: port 10 is now off-line
I 09/12/09 09:59:41 ports: port 10 is Blocked by LACP
I 09/12/09 09:59:44 ports: port 10 is now on-line
I 09/12/09 10:00:50 ports: port 10 is now off-line
I 09/12/09 10:00:53 ports: port 10 is Blocked by LACP
I 09/12/09 10:00:55 ports: port 10 is now on-line
I 09/12/09 10:02:02 ports: port 10 is now off-line
I 09/12/09 10:02:04 ports: port 10 is Blocked by LACP
I 09/12/09 10:02:07 ports: port 10 is now on-line
I 09/12/09 10:03:14 ports: port 10 is now off-line
I 09/12/09 10:03:16 ports: port 10 is Blocked by LACP
I 09/12/09 10:03:19 ports: port 10 is now on-line
W 09/12/09 10:03:36 FFI: port 10-Excessive CRC/alignment errors. See help.
I 09/12/09 10:04:23 ports: port 10 is now off-line
I 09/12/09 10:04:25 ports: port 10 is Blocked by LACP
I 09/12/09 10:04:28 ports: port 10 is now on-line
I 09/12/09 10:05:34 ports: port 10 is now off-line
I 09/12/09 10:05:36 ports: port 10 is Blocked by LACP
I 09/12/09 10:05:39 ports: port 10 is now on-line
I 09/12/09 10:06:45 ports: port 10 is now off-line
I 09/12/09 10:06:47 ports: port 10 is Blocked by LACP
I 09/12/09 10:06:50 ports: port 10 is now on-line
I 09/12/09 10:07:55 ports: port 10 is now off-line
I 09/12/09 10:07:57 ports: port 10 is Blocked by LACP
I 09/12/09 10:08:00 ports: port 10 is now on-line
I 09/12/09 10:09:03 ports: port 10 is now off-line
I 09/12/09 10:09:06 ports: port 10 is Blocked by LACP
I 09/12/09 10:09:09 ports: port 10 is now on-line
I 09/12/09 10:10:14 ports: port 10 is now off-line
I 09/12/09 10:10:16 ports: port 10 is Blocked by LACP
I 09/12/09 10:10:19 ports: port 10 is now on-line
W 09/12/09 10:10:36 FFI: port 10-Excessive CRC/alignment errors. See help.
I 09/12/09 10:11:26 ports: port 10 is now off-line
I 09/12/09 10:11:28 ports: port 10 is Blocked by LACP
I 09/12/09 10:11:31 ports: port 10 is now on-line
I 09/12/09 10:12:37 ports: port 10 is now off-line
I 09/12/09 10:12:40 ports: port 10 is Blocked by LACP
I 09/12/09 10:12:43 ports: port 10 is now on-line
I 09/12/09 10:13:50 ports: port 10 is now off-line
I 09/12/09 10:13:52 ports: port 10 is Blocked by LACP
I 09/12/09 10:13:55 ports: port 10 is now on-line
I 09/12/09 10:15:00 ports: port 10 is now off-line
I 09/12/09 10:15:02 ports: port 10 is Blocked by LACP
I 09/12/09 10:15:05 ports: port 10 is now on-line
I 09/12/09 10:16:10 ports: port 10 is now off-line
I 09/12/09 10:16:12 ports: port 10 is Blocked by LACP
I 09/12/09 10:16:15 ports: port 10 is now on-line
I 09/12/09 10:17:24 ports: port 10 is now off-line
I 09/12/09 10:17:26 ports: port 10 is Blocked by LACP
I 09/12/09 10:17:29 ports: port 10 is now on-line
I 09/12/09 10:18:37 ports: port 10 is now off-line
I 09/12/09 10:18:39 ports: port 10 is Blocked by LACP
I 09/12/09 10:18:42 ports: port 10 is now on-line
I 09/12/09 10:19:47 ports: port 10 is now off-line
I 09/12/09 10:19:49 ports: port 10 is Blocked by LACP
I 09/12/09 10:19:52 ports: port 10 is now on-line
I 09/12/09 10:20:59 ports: port 10 is now off-line
I 09/12/09 10:21:01 ports: port 10 is Blocked by LACP
I 09/12/09 10:21:04 ports: port 10 is now on-line
I 09/12/09 10:22:09 ports: port 10 is now off-line
I 09/12/09 10:22:11 ports: port 10 is Blocked by LACP
I 09/12/09 10:22:14 ports: port 10 is now on-line
W 09/12/09 10:22:31 FFI: port 10-Excessive CRC/alignment errors. See help.
I 09/12/09 10:23:21 ports: port 10 is now off-line
I 09/12/09 10:23:23 ports: port 10 is Blocked by LACP
I 09/12/09 10:23:26 ports: port 10 is now on-line
I 09/12/09 10:24:31 ports: port 10 is now off-line
I 09/12/09 10:24:33 ports: port 10 is Blocked by LACP
I 09/12/09 10:24:36 ports: port 10 is now on-line
I 09/12/09 10:25:43 ports: port 10 is now off-line
I 09/12/09 10:25:45 ports: port 10 is Blocked by LACP
I 09/12/09 10:25:48 ports: port 10 is now on-line
I 09/12/09 10:26:54 ports: port 10 is now off-line
I 09/12/09 10:26:56 ports: port 10 is Blocked by LACP
I 09/12/09 10:26:59 ports: port 10 is now on-line
W 09/12/09 10:27:15 FFI: port 10-Excessive CRC/alignment errors. See help.
I 09/12/09 10:28:05 ports: port 10 is now off-line
I 09/12/09 10:28:08 ports: port 10 is Blocked by LACP
I 09/12/09 10:28:11 ports: port 10 is now on-line
W 09/12/09 10:28:28 FFI: port 10-Excessive CRC/alignment errors. See help.
I 09/12/09 10:29:18 ports: port 10 is now off-line
I 09/12/09 10:29:20 ports: port 10 is Blocked by LACP
I 09/12/09 10:29:23 ports: port 10 is now on-line
I 09/12/09 10:30:29 ports: port 10 is now off-line
I 09/12/09 10:30:31 ports: port 10 is Blocked by LACP
I 09/12/09 10:30:34 ports: port 10 is now on-line
I 09/12/09 10:31:38 ports: port 10 is now off-line
I 09/12/09 10:31:40 ports: port 10 is Blocked by LACP
I 09/12/09 10:31:43 ports: port 10 is now on-line
I 09/12/09 10:32:48 ports: port 10 is now off-line
I 09/12/09 10:32:50 ports: port 10 is Blocked by LACP
I 09/12/09 10:32:53 ports: port 10 is now on-line
I 09/12/09 10:34:00 ports: port 10 is now off-line
I 09/12/09 10:34:02 ports: port 10 is Blocked by LACP
I 09/12/09 10:34:05 ports: port 10 is now on-line
I 09/12/09 10:35:12 ports: port 10 is now off-line
I 09/12/09 10:35:14 ports: port 10 is Blocked by LACP
I 09/12/09 10:35:17 ports: port 10 is now on-line
I 09/12/09 10:36:23 ports: port 10 is now off-line
I 09/12/09 10:36:25 ports: port 10 is Blocked by LACP
I 09/12/09 10:36:28 ports: port 10 is now on-line
I 09/12/09 10:37:33 ports: port 10 is now off-line
I 09/12/09 10:37:35 ports: port 10 is Blocked by LACP
I 09/12/09 10:37:38 ports: port 10 is now on-line
I 09/12/09 10:38:44 ports: port 10 is now off-line
I 09/12/09 10:38:46 ports: port 10 is Blocked by LACP
I 09/12/09 10:38:49 ports: port 10 is now on-line
I 09/12/09 10:39:55 ports: port 10 is now off-line
I 09/12/09 10:39:57 ports: port 10 is Blocked by LACP
I 09/12/09 10:40:00 ports: port 10 is now on-line
I 09/12/09 10:41:04 ports: port 10 is now off-line
I 09/12/09 10:41:06 ports: port 10 is Blocked by LACP
I 09/12/09 10:41:09 ports: port 10 is now on-line
W 09/12/09 10:41:26 FFI: port 10-Excessive CRC/alignment errors. See help.
I 09/12/09 10:42:14 ports: port 10 is now off-line
I 09/12/09 10:42:17 ports: port 10 is Blocked by LACP
I 09/12/09 10:42:20 ports: port 10 is now on-line
I 09/12/09 10:43:25 ports: port 10 is now off-line
I 09/12/09 10:43:27 ports: port 10 is Blocked by LACP
I 09/12/09 10:43:30 ports: port 10 is now on-line
I 09/12/09 10:44:35 ports: port 10 is now off-line
I 09/12/09 10:44:37 ports: port 10 is Blocked by LACP
I 09/12/09 10:44:40 ports: port 10 is now on-line
W 09/12/09 10:44:56 FFI: port 10-Excessive CRC/alignment errors. See help.
I 09/12/09 10:45:44 ports: port 10 is now off-line
I 09/12/09 10:45:47 ports: port 10 is Blocked by LACP
I 09/12/09 10:45:50 ports: port 10 is now on-line
I 09/12/09 10:46:55 ports: port 10 is now off-line
I 09/12/09 10:46:57 ports: port 10 is Blocked by LACP
I 09/12/09 10:47:00 ports: port 10 is now on-line
I 09/12/09 10:48:07 ports: port 10 is now off-line
I 09/12/09 10:48:09 ports: port 10 is Blocked by LACP
I 09/12/09 10:48:12 ports: port 10 is now on-line
I 09/12/09 10:49:18 ports: port 10 is now off-line
I 09/12/09 10:49:20 ports: port 10 is Blocked by LACP
I 09/12/09 10:49:23 ports: port 10 is now on-line
W 09/12/09 10:49:40 FFI: port 10-Excessive CRC/alignment errors. See help.
I 09/12/09 10:50:30 ports: port 10 is now off-line
I 09/12/09 10:50:32 ports: port 10 is Blocked by LACP
I 09/12/09 10:50:35 ports: port 10 is now on-line
I 09/12/09 10:51:41 ports: port 10 is now off-line
I 09/12/09 10:51:43 ports: port 10 is Blocked by LACP
I 09/12/09 10:51:46 ports: port 10 is now on-line
I 09/12/09 10:52:50 ports: port 10 is now off-line
I 09/12/09 10:52:52 ports: port 10 is Blocked by LACP
I 09/12/09 10:52:55 ports: port 10 is now on-line
I 09/12/09 10:54:01 ports: port 10 is now off-line
I 09/12/09 10:54:03 ports: port 10 is Blocked by LACP
I 09/12/09 10:54:06 ports: port 10 is now on-line
I 09/12/09 10:55:12 ports: port 10 is now off-line
I 09/12/09 10:55:14 ports: port 10 is Blocked by LACP
I 09/12/09 10:55:17 ports: port 10 is now on-line
I 09/12/09 10:56:21 ports: port 10 is now off-line
I 09/12/09 10:56:23 ports: port 10 is Blocked by LACP
I 09/12/09 10:56:26 ports: port 10 is now on-line
I 09/12/09 11:21:50 dhcp: updating IP address and subnet mask
I 09/12/09 11:21:50 ip: network disabled on 10.0.10.10
I 09/12/09 11:21:50 ip: changing IP address to 10.0.10.10
I 09/12/09 11:21:50 ip: network enabled on 10.0.10.10
I 09/12/09 23:21:51 dhcp: updating IP address and subnet mask
I 09/12/09 23:21:51 ip: network disabled on 10.0.10.10
I 09/12/09 23:21:51 ip: changing IP address to 10.0.10.10
I 09/12/09 23:21:51 ip: network enabled on 10.0.10.10
I 09/13/09 11:21:51 dhcp: updating IP address and subnet mask
I 09/13/09 11:21:51 ip: network disabled on 10.0.10.10
I 09/13/09 11:21:51 ip: changing IP address to 10.0.10.10
I 09/13/09 11:21:51 ip: network enabled on 10.0.10.10
I 09/13/09 23:21:50 dhcp: updating IP address and subnet mask
I 09/13/09 23:21:50 ip: network disabled on 10.0.10.10
I 09/13/09 23:21:50 ip: changing IP address to 10.0.10.10
I 09/13/09 23:21:50 ip: network enabled on 10.0.10.10
I 09/14/09 09:01:59 ports: port 3 is now off-line
I 09/14/09 09:02:03 ports: port 3 is Blocked by LACP
I 09/14/09 09:02:06 ports: port 3 is now on-line
W 09/14/09 09:02:23 FFI: port 3-Excessive Broadcasts. See help.
I 09/14/09 09:02:50 ports: port 3 is now off-line
I 09/14/09 09:02:52 ports: port 3 is Blocked by LACP
I 09/14/09 09:02:55 ports: port 3 is now on-line
I 09/14/09 09:39:28 ports: port 25 is Blocked by LACP
I 09/14/09 09:39:31 ports: port 25 is now on-line
I 09/14/09 09:39:45 ports: port 25 is now off-line
I 09/14/09 09:39:48 ports: port 25 is Blocked by LACP
I 09/14/09 09:39:51 ports: port 25 is now on-line
I 09/14/09 11:21:49 dhcp: updating IP address and subnet mask
I 09/14/09 11:21:49 ip: network disabled on 10.0.10.10
I 09/14/09 11:21:49 ip: changing IP address to 10.0.10.10
I 09/14/09 11:21:49 ip: network enabled on 10.0.10.10
I 09/14/09 12:28:48 ports: port 25 is now off-line
I 09/14/09 13:05:43 ports: port 25 is Blocked by LACP
I 09/14/09 13:05:46 ports: port 25 is now on-line
I 09/14/09 13:22:08 ports: port 25 is now off-line
I 09/14/09 13:42:24 ports: port 25 is Blocked by LACP
I 09/14/09 13:42:27 ports: port 25 is now on-line
I 09/14/09 15:44:07 ports: port 25 is now off-line
I 09/14/09 23:09:13 ports: port 10 is now off-line
I 09/14/09 23:09:15 ports: port 10 is Blocked by LACP
I 09/14/09 23:09:18 ports: port 10 is now on-line
I 09/14/09 23:21:48 dhcp: updating IP address and subnet mask
I 09/14/09 23:21:48 ip: network disabled on 10.0.10.10
I 09/14/09 23:21:48 ip: changing IP address to 10.0.10.10
I 09/14/09 23:21:48 ip: network enabled on 10.0.10.10
I 09/15/09 09:55:13 ports: port 25 is Blocked by LACP
I 09/15/09 09:55:16 ports: port 25 is now on-line
I 09/15/09 11:01:24 ports: port 3 is now off-line
I 09/15/09 11:01:26 ports: port 3 is Blocked by LACP
I 09/15/09 11:01:29 ports: port 3 is now on-line
I 09/15/09 11:01:29 ports: port 3 is now off-line
I 09/15/09 11:01:32 ports: port 3 is Blocked by LACP
I 09/15/09 11:01:35 ports: port 3 is now on-line
I 09/15/09 11:02:15 ports: port 3 is now off-line
I 09/15/09 11:02:18 ports: port 3 is Blocked by LACP
I 09/15/09 11:02:21 ports: port 3 is now on-line
I 09/15/09 11:21:47 dhcp: updating IP address and subnet mask
I 09/15/09 11:21:47 ip: network disabled on 10.0.10.10
I 09/15/09 11:21:47 ip: changing IP address to 10.0.10.10
I 09/15/09 11:21:47 ip: network enabled on 10.0.10.10
I 09/15/09 11:42:40 mgr: SME TELNET from 10.0.10.40 - MANAGER Mode
I 09/15/09 11:44:34 mgr: SME TELNET from 10.0.10.40 - MANAGER Mode
---- Bottom of Log : Events Listed = 1000 ----
