Girish Mahajan (Editor)

Netgear NSDP

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Purpose
  
NETGEAR level 2 switch management

Port(s)
  
63321, 63322, 63323, 63324

NSDP (NETGEAR Switch Discovery Protocol) is a management protocol for several network device families, designed by NETGEAR.

Contents

Message body record structure

Message body records are TLV (Tag-Length Value) structures. Type field may be one of following values in the table(list in incomplete):

Protocol flow examples

Network devices discovery (MAC-address an device model discovery):

Host with MAC=XX:XX:XX:XX:XX:XX from UDP-port 63321 or 63323 sending packet to broadcast IP-address 255.255.255.255 and UDP-port 63322 or 63324 Header @0x00000000 0x01 0x01 0x000000000000 0xXXXXXXXXXXXX 0x000000000000 0x0000 0x0001 0x4E534450 0x00000000 Body @0x00000020 0x0001 0x0000 0x0004 0x0000 Marker @0x00000028 0x0000FFFF EACH Device responds with message like Header @0x00000000 0x01 0x02 0x000000000000 0xXXXXXXXXXXXX 0xYYYYYYYYYYYY 0x0000 0x0001 0x4E534450 0x00000000 Body @0x00000020 0x0001 0x0028 0x47 0x53 0x31 0x30 0x35 0x45 0x20*0x22 0x0004 0x0006 0xYYYYYYYYYYYY Marker @0x00000058 0x0000FFFF

Device support for protocol

  • GS105E ProSAFE Plus
  • GS108E ProSAFE Plus
  • FS116E (IP-network description and Firmware version TLVs are not supported)
  • FS726TP (uses 63323 and 63324 UDP-ports for interconnection)

    • Devices firmware update

    Device firmware update is made with TFTP protocol, but you need to send NSDP request to turn on TFTP-server first.

    References

    Netgear NSDP Wikipedia
    (Text) CC BY-SA