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04-01-2010 07:19 PM
04-01-2010 07:19 PM
MSM710 abusing network
Hi there
As soon as I connect the Internet port of my MSM710 controller to the network - my procurve 2848 switches start cutting access to the internet to several users.
It's important to know that hosts are blocked by MAC address. So let's say a guy is working on his PC and runs a VM inside this PC. The PC connects ok the VM is having issues.I was thinking that this is a broadcast storm but looking at the switches web consoles I can't see evidence of that, but I have an impression that the controls on the switches are going a little crazy when MSM710 is connected.
Then if I disconnect the MSM710 from the network - everything is back in order in couple of minutes.
On the first switch I'm getting this:
updating IP address and subnet mask
I 04/01/10 03:27:53 ip: DEFAULT_VLAN: network disabled on 10.15.0.12
I 04/01/10 03:27:53 ip: DEFAULT_VLAN: changing IP address to 10.15.0.12
I 04/01/10 03:27:53 ip: DEFAULT_VLAN: network enabled on 10.15.0.12
W 04/01/10 03:28:33 tftp: Connection to 10.15.0.10 failed
I 04/01/10 08:16:43 SNTP: updated time by -4 seconds
I 04/01/10 09:27:49 dhcp: DEFAULT_VLAN: updating IP address and subnet mask
I 04/01/10 09:27:49 ip: DEFAULT_VLAN: network disabled on 10.15.0.12
I 04/01/10 09:27:49 ip: DEFAULT_VLAN: changing IP address to 10.15.0.12
I 04/01/10 09:27:49 ip: DEFAULT_VLAN: network enabled on 10.15.0.12
W 04/01/10 09:28:29 tftp: Connection to 10.15.0.10 failed
I 04/01/10 15:27:48 dhcp: DEFAULT_VLAN: updating IP address and subnet mask
On second switch this:
W 04/01/10 21:09:36 FFI: port 35-Excessive Broadcasts. See help.
I 04/01/10 21:19:46 ports: port 19 is now off-line
I 04/01/10 21:19:48 ports: port 19 is Blocked by LACP
I 04/01/10 21:19:50 ports: port 19 is Blocked by STP
I 04/01/10 21:19:50 ports: port 19 is now on-line
I 04/01/10 21:29:59 mgr: SME SSH from 10.15.20.134 - MANAGER Mode
I 04/01/10 21:33:10 mgr: SME SSH from 10.15.20.134 - MANAGER Mode
I 04/01/10 22:16:48 dhcp: DEFAULT_VLAN: updating IP address and subnet mask
I 04/01/10 22:16:48 ip: DEFAULT_VLAN: network disabled on 10.15.0.11
I 04/01/10 22:16:48 ip: DEFAULT_VLAN: changing IP address to 10.15.0.11
I 04/01/10 22:16:48 ip: DEFAULT_VLAN: network enabled on 10.15.0.11
W 04/01/10 22:17:28 tftp: Connection to 10.15.0.10 failed
I 04/02/10 01:02:17 SNTP: updated time by -4 seconds
I 04/02/10 01:23:38 ports: port 16 is now off-line
As soon as I connect the Internet port of my MSM710 controller to the network - my procurve 2848 switches start cutting access to the internet to several users.
It's important to know that hosts are blocked by MAC address. So let's say a guy is working on his PC and runs a VM inside this PC. The PC connects ok the VM is having issues.I was thinking that this is a broadcast storm but looking at the switches web consoles I can't see evidence of that, but I have an impression that the controls on the switches are going a little crazy when MSM710 is connected.
Then if I disconnect the MSM710 from the network - everything is back in order in couple of minutes.
On the first switch I'm getting this:
updating IP address and subnet mask
I 04/01/10 03:27:53 ip: DEFAULT_VLAN: network disabled on 10.15.0.12
I 04/01/10 03:27:53 ip: DEFAULT_VLAN: changing IP address to 10.15.0.12
I 04/01/10 03:27:53 ip: DEFAULT_VLAN: network enabled on 10.15.0.12
W 04/01/10 03:28:33 tftp: Connection to 10.15.0.10 failed
I 04/01/10 08:16:43 SNTP: updated time by -4 seconds
I 04/01/10 09:27:49 dhcp: DEFAULT_VLAN: updating IP address and subnet mask
I 04/01/10 09:27:49 ip: DEFAULT_VLAN: network disabled on 10.15.0.12
I 04/01/10 09:27:49 ip: DEFAULT_VLAN: changing IP address to 10.15.0.12
I 04/01/10 09:27:49 ip: DEFAULT_VLAN: network enabled on 10.15.0.12
W 04/01/10 09:28:29 tftp: Connection to 10.15.0.10 failed
I 04/01/10 15:27:48 dhcp: DEFAULT_VLAN: updating IP address and subnet mask
On second switch this:
W 04/01/10 21:09:36 FFI: port 35-Excessive Broadcasts. See help.
I 04/01/10 21:19:46 ports: port 19 is now off-line
I 04/01/10 21:19:48 ports: port 19 is Blocked by LACP
I 04/01/10 21:19:50 ports: port 19 is Blocked by STP
I 04/01/10 21:19:50 ports: port 19 is now on-line
I 04/01/10 21:29:59 mgr: SME SSH from 10.15.20.134 - MANAGER Mode
I 04/01/10 21:33:10 mgr: SME SSH from 10.15.20.134 - MANAGER Mode
I 04/01/10 22:16:48 dhcp: DEFAULT_VLAN: updating IP address and subnet mask
I 04/01/10 22:16:48 ip: DEFAULT_VLAN: network disabled on 10.15.0.11
I 04/01/10 22:16:48 ip: DEFAULT_VLAN: changing IP address to 10.15.0.11
I 04/01/10 22:16:48 ip: DEFAULT_VLAN: network enabled on 10.15.0.11
W 04/01/10 22:17:28 tftp: Connection to 10.15.0.10 failed
I 04/02/10 01:02:17 SNTP: updated time by -4 seconds
I 04/02/10 01:23:38 ports: port 16 is now off-line
Jesus is the King
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04-03-2010 10:19 PM
04-03-2010 10:19 PM
Re: MSM710 abusing network
what is the IP address on the internet port ?
The Internet port by default is configured as DHCP client, is there a DHCP server providing addresses on that subnet ?
Check for the DHCP leases maybe there is IP address confilict
The Internet port by default is configured as DHCP client, is there a DHCP server providing addresses on that subnet ?
Check for the DHCP leases maybe there is IP address confilict
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