CISCO-DSG-IF-EXT-MIB :: cdsgIfExtClassSrcHostName

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › CISCO-DSG-IF-EXT-MIB › cdsgIfExtClassSrcHostName

cdsgIfExtClassSrcHostName

Module: CISCO-DSG-IF-EXT-MIB

OID (symbolic): CISCO-DSG-IF-EXT-MIB::cdsgIfExtClassSrcHostName

OID (numeric): 1.3.6.1.4.1.9.9.777.1.1.1.1

Node type: OBJECT-TYPE

Type: InetAddressDNS

Access: read-write

Description: This object specifies the multicast source FQDN of which the CMTS (Cable Modem Termination System) would be able to utilize the CMTS configured domain name server(s) to conduct a lookup and then define the IGMP join with the lookup response.

What is cdsgIfExtClassSrcHostName?

A configurable (read-write) fully qualified domain name for the multicast source, which the CMTS resolves via its configured DNS servers to determine the address used for the IGMP join.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.9.9.777.1.1.1.1
snmpwalk -v2c -c public <target> CISCO-DSG-IF-EXT-MIB::cdsgIfExtClassSrcHostName

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.9.9.777.1.1.1.1.1
snmpget -v2c -c public <target> CISCO-DSG-IF-EXT-MIB::cdsgIfExtClassSrcHostName.1

Set instance 1 (SNMPv2c):

snmpset -v2c -c private <target> 1.3.6.1.4.1.9.9.777.1.1.1.1.1 s <value>

Start monitoring Cisco CMTS (Cable Modem Termination System) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the CISCO-DSG-IF-EXT-MIB::cdsgIfExtClassSrcHostName OID value, configure state conditions and alerts, and monitor any Cisco CMTS (Cable Modem Termination System) from a single console.

OID Breakdown

Upper-level ancestors (8 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
1.3.6.1.4.1.9ciscoCAT2600-MIB
1.3.6.1.4.1.9.9ciscoMgmtCISCO-SMI
Numeric OIDNameModule
1.3.6.1.4.1.9.9.777ciscoDsgIfExtMIBCISCO-DSG-IF-EXT-MIB
1.3.6.1.4.1.9.9.777.1ciscoDsgIfExtMIBObjectsCISCO-DSG-IF-EXT-MIB
1.3.6.1.4.1.9.9.777.1.1cdsgIfExtClassifierTableCISCO-DSG-IF-EXT-MIB
1.3.6.1.4.1.9.9.777.1.1.1cdsgIfExtClassifierEntryCISCO-DSG-IF-EXT-MIB
1.3.6.1.4.1.9.9.777.1.1.1.1cdsgIfExtClassSrcHostNameCISCO-DSG-IF-EXT-MIB