Re: community string

2009/4/6 Tanisha Kashyap <[email protected]>:
> Can any one tell me what kind of data can the community string take?
> Does it have to be only alphabets, or can it be alphanumeric?
> Or can it contain any special characters?

As Rakesh says, the community string is defined as
an OCTET STRING - so can potentially take *any* string
value (including binary as well as printable strings).
There's no explicit restriction on this value

In practice, many SNMP applications, toolkits, etc would
probably struggle with non-printable community strings.
Also, other MIBs that work with community strings may
effectively impose size and value restrictions.
For example:

   NOTIFICATION-LOG-MIB::nlmLogContextName
       SnmpAdminString
   RMON-MIB::eventCommunity
        OCTET STRING (SIZE(0..127))

So you are probably best sticking to printable strings
of no more than 255 (SnmpAdminString) or ideally 127
characters in length.

But within that, you should be OK.

Dave

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