XYPLEX-IEEE-HUB-MIB :: portSourceAddrChanges

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › XYPLEX-IEEE-HUB-MIB › portSourceAddrChanges

portSourceAddrChanges

Module: XYPLEX-IEEE-HUB-MIB

OID (symbolic): XYPLEX-IEEE-HUB-MIB::portSourceAddrChanges

OID (numeric): 1.3.6.1.4.1.33.10001.4.1.1.5

Node type: OBJECT-TYPE

Type: Counter

Access: read-only

Description: Number of times portLastSourceAddress has changed. Corresponds directly with the value labeled 'Address Changes:' in the PORT display.

What is portSourceAddrChanges?

Counts how many times portLastSourceAddress has changed on this port, matching the 'Address Changes:' field in the hub's local PORT display; a rapidly climbing count on a port expected to have one fixed device can indicate a hub, unauthorized device swap, or a loop.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.33.10001.4.1.1.5
snmpwalk -v2c -c public <target> XYPLEX-IEEE-HUB-MIB::portSourceAddrChanges

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.33.10001.4.1.1.5.1
snmpget -v2c -c public <target> XYPLEX-IEEE-HUB-MIB::portSourceAddrChanges.1

SNMPv3 example:

snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> portSourceAddrChanges.1

Start monitoring Xyplex repeaters/hubs with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the XYPLEX-IEEE-HUB-MIB::portSourceAddrChanges OID value, configure state conditions and alerts, and monitor any Xyplex repeaters/hubs from a single console.

OID Breakdown

Upper-level ancestors (7 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.4privateAirPair-MIB
1.3.6.1.4.1enterprisesAirPair-MIB
1.3.6.1.4.1.33xyplexCMU-MIB
Numeric OIDNameModule
1.3.6.1.4.1.33.10001ieeeHubXYPLEX-IEEE-HUB-MIB
1.3.6.1.4.1.33.10001.4hmAddrTrackCapabilityXYPLEX-IEEE-HUB-MIB
1.3.6.1.4.1.33.10001.4.1hmAddrTrackPortTableXYPLEX-IEEE-HUB-MIB
1.3.6.1.4.1.33.10001.4.1.1hmAddrTrackPortEntryXYPLEX-IEEE-HUB-MIB
1.3.6.1.4.1.33.10001.4.1.1.5portSourceAddrChangesXYPLEX-IEEE-HUB-MIB