The IFX_NETBUF_SIZE environment variable lets you configure the network buffers to the optimum size. It specifies the size of all network buffers in the free (unused) global pool and the private network buffer pool for each database server session.
>>-setenv--IFX_NETBUF_SIZE--size-------------------------------><
The default size is 4 kilobytes (4,096 bytes). The maximum size is 64 kilobytes (65,536 bytes) and the minimum size is 512 bytes. You can specify the value in hexadecimal or decimal form.