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GAK; Reviewed:
WCH 7/7/2003

Solution & Interoperability Test Lab Application Notes

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intel-lag-notes.doc

7. Click

the

OK button.

8. Provision the LAG Trunk IP Address, Mask and Gateway. The TCP/IP settings for each port

including “Local Area Connection” and “Local Area Connection 2” are disabled. The LAG
Trunk IP networking parameters must be set on the newly created VLAN vlan100, ID: 100
adapter (Figure 43).

Figure 43: Screen Shot of Adapters in Windows 2000 Server

5. Verification Steps

1. Generate a constant ping request from each client to each Intel adapter equipped server and

verify that ping traffic load shares on the ingress and egress of each LAG. Check the switch
statistics to verify load sharing (Figure 44).

Note: In Figure 44, the base port has more traffic because STP is enabled by default and all
STP PDU’s are sent on the base port only. Observe that the unicast packet count is equally
distributed for the client PC ping requests.

Figure 44: Module 4 Statistics for Hunt Group Member Ports 4/4 and 4/5

2. Disconnect one member from each Hunt Group (LAG) and verify that traffic continues to

flow between all machines.

3. Reconnect the previously disconnected member from each Hunt Group (LAG) and

disconnect the opposite member this time. Again, verify that traffic continues to flow
between the two machines. If STP is enabled, there may be some loss during convergence
delay. To avoid this, disable STP on the switch ports.

4. Using available statistics and LED link indications, verify that load sharing occurs between

across the two members of the huntgroup (LAG).