BD is right，153.146.0.145/255.255.0.255 This is a wildcard configuration. Juniper SRX supports this configuration. C 203.150.108.10/24 This is an invalid address. The address book does not allow this configuration.
some one explain please just did this on my srx
with the slash / they are not valid
set address 173.145.5.21/255.255.255.0
set address 153.146.0.145/255.255.0.255
a space in between prefix and mask are valid
set address 173.145.5.21 255.255.55.0
set address 153.146.0.145 255.255.0.255 these two are valid and accepted in address book
set address newyork 191.168.203.0/24 this is valid as well
not valid
set address ABCD 203.150.108.10/24
even if you type the below
set address 203.150.108.10/24 203.150.108.10/24
address-book {
address 173.145.5.21 255.255.255.0/32;
address 153.146.0.145 255.255.0.255/32;
address newyork 191.168.203.0/24;
[edit security zones security-zone trust address-book]
'address 203.150.108.10/24'
Invalid address entry<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<invalid
the two valid address book entries are:
C. 203.150.108.10/24
D. 191.168.203.0/24
A. 173.145.5.21/255.255.255.0: This is a mix of an IP address and a subnet mask, but in a format that's not typically used for address book entries. Address book entries usually use CIDR notation, not a combination of an IP address and a traditional subnet mask.
B. 153.146.0.145/255.255.0.255: This option is invalid because the part after the slash is supposed to be a subnet mask in CIDR notation (which is a number between 0 and 32 for IPv4), but "255.255.0.255" is not a valid subnet mask in any format.
C. 203.150.108.10/24: This is a valid address book entry. It uses CIDR notation, where "/24" indicates the subnet mask (255.255.255.0 in traditional format), and "203.150.108.10" is the IP address.
D. 191.168.203.0/24: This is also a valid address book entry. Here, "/24" is the CIDR notation for the subnet mask, and "191.168.203.0" is the network address.
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