ZyXEL Communications ES-2048 - Manual (Page 78)

ES-2000 Series Switch Support Notes
All contents copyright (c) 2006 ZyXEL Communications Corporation.
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A clustering member listens on UDP port 263. When a clustering member
receives a request with the matching signature, it answers with a HDAP
Discover Response. In the response, the clustering member provides identity
information about itself.
Step 3:
HDAP_SET_ADDR_REQ (Master device) packet request is used for a
clustering manager to assign an IP address and subnet mask to a clustering
member.
Step 4:
HDPA_SET_ADDR_RSP (Slave device) packet response is for a clustering
member to acknowledge a "Set Address" request. The hardware address
uniquely identifies the sender of this response.
After the processes are done, the cluster master will be able to manage the
Cluster manager
(Master device)
3. HDAP_SET_ADDR_REQ
(Address set / Password
challenge)
Cluster member
(Slave device)
Cluster manager
(Master device)
4. HDAP_SET_ADDR_RSP
Cluster member
(Slave device)