A topologyChange trap is sent by a bridge when any of its configured ports transitions from the Learning state to the Forwarding state, or from the Forwarding state to the Blocking state. The trap is not sent if a newRoot trap is sent for the same transition.
Status in source: unspecified.
Names: gTopologyChange
Technical details
{
"smi_kind": "TRAP-TYPE",
"definition": [
"gTopologyChange",
"TRAP-TYPE",
"ENTERPRISE",
"gandalf",
"DESCRIPTION",
"\"A topologyChange trap is sent by a bridge when any of its configured ports transitions from the Learning state to the Forwarding state, or from the Forwarding state to the Blocking state. The trap is not sent if a newRoot trap is sent for the same transition.\"",
"::=",
"112"
],
"syntax_tree": [
[
"objectIdentifier",
[
"gandalf"
]
],
[],
[
"DESCRIPTION",
"A topologyChange trap is sent by a bridge when any of its configured ports transitions from the Learning state to the Forwarding state, or from the Forwarding state to the Blocking state. The trap is not sent if a newRoot trap is sent for the same transition."
],
null
]
}- Preserved mibdepot archive
· Archived source file
Source location: GANDALF-ENTERPRISE-MIB::gTopologyChange.Source version and references
Archived: 2026-10-19T00:22:09.143075+00:00. SHA-256:
2a7aa28ced39281addfec2c3dce459e748edbd08b0cd82c5390176daf94309a9{'kind': 'TRAP-TYPE', 'details': {'module': 'GANDALF-ENTERPRISE-MIB', 'imports': {'RFC-1212': ['OBJECT-TYPE'], 'RFC-1215': ['TRAP-TYPE'], 'RFC1155-SMI': ['enterprises', 'Counter', 'Gauge', 'NetworkAddress', 'IpAddress', 'TimeTicks'], 'RFC1213-MIB': ['PhysAddress', 'DisplayString']}, 'smi_kind': 'TRAP-TYPE', 'definition': 'gTopologyChange TRAP-TYPE\n ENTERPRISE gandalf\n DESCRIPTION\n "A topologyChange trap is sent by a bridge when\n any of its configured ports transitions from the\n Learning state to the Forwarding state, or from\n the Forwarding state to the Blocking state. The\n trap is not sent if a newRoot trap is sent for the\n same transition."\n ::= 112', 'syntax_tree': [['objectIdentifier', ['gandalf']], [], ['DESCRIPTION', 'A topologyChange trap is sent by a bridge when any of its configured ports transitions from the Learning state to the Forwarding state, or from the Forwarding state to the Blocking state. The trap is not sent if a newRoot trap is sent for the same transition.'], None], 'source_encoding': 'utf-8-sig'}, 'parser_version': 'mib-4'} - Preserved circitor archive
· Archived source file
Source location: GANDALF-ENTERPRISE-MIB::gTopologyChange.Source version and references
Archived: 2026-10-19T00:22:17.730793+00:00. SHA-256:
44c3ed62a69f38e957374cea25009799c3d5f01deeb3055421c945c193c541ad{'kind': 'TRAP-TYPE', 'details': {'module': 'GANDALF-ENTERPRISE-MIB', 'imports': {'RFC-1212': ['OBJECT-TYPE'], 'RFC-1215': ['TRAP-TYPE'], 'RFC1155-SMI': ['enterprises', 'Counter', 'Gauge', 'NetworkAddress', 'IpAddress', 'TimeTicks'], 'RFC1213-MIB': ['PhysAddress', 'DisplayString']}, 'smi_kind': 'TRAP-TYPE', 'definition': 'gTopologyChange TRAP-TYPE\r\n ENTERPRISE gandalf\r\n DESCRIPTION\r\n "A topologyChange trap is sent by a bridge when\r\n any of its configured ports transitions from the\r\n Learning state to the Forwarding state, or from\r\n the Forwarding state to the Blocking state. The\r\n trap is not sent if a newRoot trap is sent for the\r\n same transition."\r\n ::= 112', 'syntax_tree': [['objectIdentifier', ['gandalf']], [], ['DESCRIPTION', 'A topologyChange trap is sent by a bridge when any of its configured ports transitions from the Learning state to the Forwarding state, or from the Forwarding state to the Blocking state. The trap is not sent if a newRoot trap is sent for the same transition.'], None], 'source_encoding': 'utf-8-sig'}, 'parser_version': 'mib-4-q1'}