Status in source: mandatory.
Technical details
{
"smi_kind": "OBJECT-TYPE",
"definition": [
"brLastTCNSource",
"OBJECT-TYPE",
"SYNTAX",
"DisplayString",
"(",
"SIZE",
"(",
"0",
".",
".",
"20",
")",
")",
"ACCESS",
"read-only",
"STATUS",
"mandatory",
"DESCRIPTION",
"\"This string tells us the source of the last topology change. This may be a MAC Address, if the bridge has received a TC BPDU, from another STP bridge, if it detected the change itself, then this will be a reason string indicating the cause of the TC. If no such TC has occurred then the string will have the value 'NONE'. The maximum length of this string is 20 bytes.\"",
"::=",
"{",
"bridge",
"15",
"}"
],
"syntax_tree": [
[
"SimpleSyntax",
"DisplayString",
[
"octetStringSubType",
[
[
0,
20
]
]
]
],
null,
[
"MaxAccessPart",
"read-only"
],
[
"Status",
"mandatory"
],
[
"DESCRIPTION",
"This string tells us the source of the last topology change. This may be a MAC Address, if the bridge has received a TC BPDU, from another STP bridge, if it detected the change itself, then this will be a reason string indicating the cause of the TC. If no such TC has occurred then the string will have the value 'NONE'. The maximum length of this string is 20 bytes."
],
null,
null,
null,
null
]
}