I have some strange things about the communication between 6509s in VSS mode with CUCM 8.5.
First, when I just connect eth0 of the publisher/subscriber/unity connection to 6509-1 and configure these ports in vlan 21 (UC SERVER VLAN), other subnets (VLANs) can ping these servers without packet lost (VSS works as the gateway for all LAN subnets). The strange thing is when I ping these servers from VSS itself, packets will be lost every 4 packets inlcuding PUB/SUB/CUN (MCS7825), but C2921 is ok.
Second, when I enable the NIC team for network fault tolerence on MCS7825, connect to two 6509s, and create channel group for each sevre NIC team. The network team seems work well on CM/CUN, but strange thing is some phones in other subnets can't ping and register with CM servers; some phones in same subnet can register normally. When I disabled the NIC teaming and channel group, every thing is OK except the ping from VSS.
What is the problem? Is MCS7825 (IBM) NIC teaming supported by VSS and need a channel group?
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