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From: Neil Burk on 10 Sep 2008 12:19
I am using NLB on 5 hosts runing 2003 Terminal Server. The only way I can
get a reliable connection to the VIP is to configure them in Unicast mode.
According to MS documentation I should be able to use nlb mgr (gui) to manage
the cluster, from a host outside of the cluster but it does not work. When I
connect to VIP with nlb mgr, 3 of the hosts are "unreachable" according to
nlb mgr. These hosts are available via ping, rdp, tracert, etc. I have
enabled "Remote Connections" in nlb mgr, I have configured DCOM to allow the
udp connection - still does not work.
Any ideas.
From: mirend on 11 Sep 2008 09:06

Are those nodes already in the cluster or are you trying to add them? Do
they have dedicated IPs? What type of switch are they plugged into
(Layer 2 or 3)? Do you have NIC teaming enabled on the servers? I
recommend running "wlbs display" on the servers and post the output
here. That will show if the servers are converged or not. That would be
the first step and we can go from there.


--
mirend
Posted via http://ms-os.com Forum to Usenet gateway

From: Neil Burk on 11 Sep 2008 11:45
Thank you for your interest. All 5 nodes are already in the cluster (see
below) I had to add them one at a time on each node itself. They all have
their own DIP with a VIP bound to them. 2 of the nodes are plugged into
Cisco Catalyst 3550 and the other 3 are plugged into Cisco Catalyst 3750. I
am not using NIC Teaming, however the begining of my problem seemed to be
when the second nic on 2 of the nodes were activated on a different subnet
for Netbackup. Ever since then I had to change to unicast mode to get the
VIP to connect every time from clients, but I can not use the NLB Mgr
anywhere to manage all of the nodes in the cluster.
nlb query and display shown below.

WLBS Cluster Control Utility V2.4 (c) 1997-2003 Microsoft Corporation.

Host 1 [dti124mis.corp.ottaway.local] (172.20.2.124) reported: converged as
DEFAULT

Host 2 [dti125mis.corp.ottaway.local] (172.20.2.125) reported: converged

Host 5 [dti29mis.corp.ottaway.local] (172.20.2.29) reported: converged

Host 4 [dti28mis.corp.ottaway.local] (172.20.2.28) reported: converged

Host 3 [dti27mis.corp.ottaway.local] (172.20.2.27) reported: converged

WLBS Cluster Control Utility V2.4 (c) 1997-2003 Microsoft Corporation.

Cluster 172.20.2.129



=== Configuration: ===



Current time = 9/11/2008 11:31:20 AM
ParametersVersion = 4
VirtualNICName =
AliveMsgPeriod = 1000
AliveMsgTolerance = 5
NumActions = 100
NumPackets = 200
NumAliveMsgs = 66
ClusterNetworkAddress = 02-bf-ac-14-02-81
ClusterName = mediaplus.corp.ottaway.local
ClusterIPAddress = 172.20.2.129
ClusterNetworkMask = 255.255.255.0
DedicatedIPAddress = 172.20.2.124
DedicatedNetworkMask = 255.255.255.0
HostPriority = 1
ClusterModeOnStart = STARTED
PersistedStates = NONE
DescriptorsPerAlloc = 512
MaxDescriptorAllocs = 512
TCPConnectionTimeout = 60
IPSecConnectionTimeout = 86400
FilterICMP = DISABLED
ScaleSingleClient = 0
NBTSupportEnable = 1
MulticastSupportEnable = 0
MulticastARPEnable = 1
MaskSourceMAC = 1
IGMPSupport = DISABLED
IPtoMcastIP = ENABLED
McastIPAddress = 239.255.2.129
NetmonAliveMsgs = 0
EffectiveVersion = V2.4
IPChangeDelay = 60000
IPToMACEnable = 1
ConnectionCleanupDelay = 300000
RemoteControlEnabled = 1
RemoteControlUDPPort = 2504
RemoteControlCode = 0x0
RemoteMaintenanceEnabled = 0x0
CurrentVersion = V2.4
InstallDate = 0x48C15872
VerifyDate = 0x0
NumberOfRules = 1
BDATeaming = DISABLED
TeamID =
Master = DISABLED
ReverseHash = DISABLED
IdentityHeartbeatPeriod = 10000
IdentityHeartbeatEnabled = ENABLED
PortRules
Virtual IP addr Start End Prot Mode Pri Load Affinity
172.20.2.129 3389 3389 TCP Multiple Equal N



=== Event messages: ===



#9687 ID: 0x4007001D Type: 4 Category: 0 Time: 9/9/2008 3:51:11 PM
NLB Cluster 172.20.2.129 : Host 1 converged as DEFAULT host with host(s)
1,2,3,4,5 as part of the cluster.

000C0000 005A0004 00000000 4007001D 00000000 00000000 00000000 00000000
00000000 00000000 00061532 00000000 00000000

#9685 ID: 0x4007003F Type: 4 Category: 0 Time: 9/9/2008 3:51:04 PM
NLB Cluster 172.20.2.129 : Initiating convergence on host 1. Reason: Host 3
is joining the cluster.

000C0000 005A0004 00000000 4007003F 00000000 00000000 00000000 00000000
00000000 00000000 00060A7D 00000000 00000000

#9683 ID: 0x4007001D Type: 4 Category: 0 Time: 9/9/2008 3:43:00 PM
NLB Cluster 172.20.2.129 : Host 1 converged as DEFAULT host with host(s)
1,2,4,5 as part of the cluster.

000C0000 005A0004 00000000 4007001D 00000000 00000000 00000000 00000000
00000000 00000000 00061532 00000000 00000000

#9681 ID: 0x40070045 Type: 4 Category: 0 Time: 9/9/2008 3:42:55 PM
NLB Cluster 172.20.2.129 : Initiating convergence on host 1. Reason: Host 3
is leaving the cluster.

000C0000 005A0004 00000000 40070045 00000000 00000000 00000000 00000000
00000000 00000000 00060BD1 00000000 00000000

#9679 ID: 0x40070041 Type: 4 Category: 0 Time: 9/9/2008 3:42:54 PM
NLB Cluster 172.20.2.129 : Initiating convergence on host 1. Reason: Host 4
is converging for an unknown reason.

000C0000 005A0004 00000000 40070041 00000000 00000000 00000000 00000000
00000000 00000000 00060A8C 00000000 00000000

#9394 ID: 0x4007001D Type: 4 Category: 0 Time: 9/9/2008 1:42:41 PM
NLB Cluster 172.20.2.129 : Host 1 converged as DEFAULT host with host(s)
1,2,3,4,5 as part of the cluster.

000C0000 005A0004 00000000 4007001D 00000000 00000000 00000000 00000000
00000000 00000000 00061532 00000000 00000000

#9382 ID: 0xC0070015 Type: 1 Category: 0 Time: 9/9/2008 1:30:52 PM
NLB Cluster 172.20.2.129 : Host 2 does not have the same number or type of
port rules as this host. Please check the NLB configuration on all hosts
that belong to the cluster and make sure that they all contain the same
number and type of port rules.

000C0000 005A0004 00000000 C0070015 00000000 00000000 00000000 00000000
00000000 00000000 00060A3D 5F2E366E 5D2E366E

#9380 ID: 0x40070005 Type: 4 Category: 0 Time: 9/9/2008 1:30:51 PM
NLB Cluster 172.20.2.129 : Cluster mode started with host ID 1.

000C0000 005A0004 00000000 40070005 00000000 00000000 00000000 00000000
00000000 00000000 000531FF 00000000 00000000

#9378 ID: 0x4007003F Type: 4 Category: 0 Time: 9/9/2008 1:30:51 PM
NLB Cluster 172.20.2.129 : Initiating convergence on host 1. Reason: Host 1
is joining the cluster.

000C0000 005A0004 00000000 4007003F 00000000 00000000 00000000 00000000
00000000 00000000 0006082A 00000000 00000000

#9376 ID: 0x40070024 Type: 4 Category: 0 Time: 9/9/2008 1:30:51 PM
NLB Cluster 172.20.2.129 : Registry parameters successfully reloaded.

000C0000 005A0004 00000000 40070024 00000000 00000000 00000000 00000000
00000000 00000000 000531E4 00000000 00000000



=== IP configuration: ===





Windows IP Configuration



Host Name . . . . . . . . . . . . : dti124mis

Primary Dns Suffix . . . . . . . : corp.ottaway.local

Node Type . . . . . . . . . . . . : Unknown

IP Routing Enabled. . . . . . . . : No

WINS Proxy Enabled. . . . . . . . : No

DNS Suffix Search List. . . . . . : corp.ottaway.local



Ethernet adapter MCN:



Connection-specific DNS Suffix . :

Description . . . . . . . . . . . : Broadcom BCM5708C NetXtreme II GigE
(NDIS VBD Client) #2

Physical Address. . . . . . . . . : 02-BF-AC-14-02-81

DHCP Enabled. . . . . . . . . . . : No

IP Address. . . . . . . . . . . . : 172.20.2.129

Subnet Mask . . . . . . . . . . . : 255.255.255.0

IP Address. . . . . . . . . . . . : 172.20.2.124

Subnet Mask . . . . . . . . . . . : 255.255.255.0

Default Gateway . . . . . . . . . : 172.20.2.45

DNS Servers . . . . . . . . . . . : 172.20.2.18

172.20.2.7



Ethernet adapter BEN:



Connection-specific DNS Suffix . :

Description . . . . . . . . . . . : Broadcom BCM5708C NetXtreme II GigE
(NDIS VBD Client)

Physical Address. . . . . . . . . : 00-1A-64-12-E3-1F

DHCP Enabled. . . . . . . . . . . : No

IP Address. . . . . . . . . . . . : 172.21.1.124

Subnet Mask . . . . . . . . . . . : 255.255.255.0

Default Gateway . . . . . . . . . :



=== Current state: ===



Host 1 has entered a converging state 3 time(s) since joining the cluster

and the last convergence completed at approximately: 9/9/2008 3:51:12 PM

Host 1 converged as DEFAULT with the following host(s) as part of the cluster:

1, 2, 3, 4, 5


"mirend" wrote:

>
> Are those nodes already in the cluster or are you trying to add them? Do
> they have dedicated IPs? What type of switch are they plugged into
> (Layer 2 or 3)? Do you have NIC teaming enabled on the servers? I
> recommend running "wlbs display" on the servers and post the output
> here. That will show if the servers are converged or not. That would be
> the first step and we can go from there.
>
>
> --
> mirend
> Posted via http://ms-os.com Forum to Usenet gateway
>
>
From: mirend on 12 Sep 2008 12:17

Have you tried putting them all in the same switch or same hub? That is
typically a good way to troubleshoot it. Take the complexity out and
make it as simple as possible. Once they're all in the same hub/switch,
try again. If it works, then it's an issue with how your switches are
configured. Are the three that can't be reached on the same switch?


--
mirend
Posted via http://ms-os.com Forum to Usenet gateway

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