> snmpbulkwalk ..... ifDescr

root@monitoring:~# snmpbulkwalk -c public 10.10.17.29 -v 2c 1.3.6.1.2.1.2.2.1.2
IF-MIB::ifDescr.1 = STRING: FastEthernet0/0
IF-MIB::ifDescr.2 = STRING: FastEthernet0/1
IF-MIB::ifDescr.3 = STRING: FastEthernet0/1/0
IF-MIB::ifDescr.4 = STRING: FastEthernet0/1/1
IF-MIB::ifDescr.5 = STRING: FastEthernet0/1/2
IF-MIB::ifDescr.6 = STRING: FastEthernet0/1/3
IF-MIB::ifDescr.7 = STRING: Serial0/0/0
IF-MIB::ifDescr.8 = STRING: Serial0/0/1
IF-MIB::ifDescr.9 = STRING: Serial1/0
IF-MIB::ifDescr.10 = STRING: Serial1/1
IF-MIB::ifDescr.11 = STRING: Serial1/2
IF-MIB::ifDescr.12 = STRING: Serial1/3
IF-MIB::ifDescr.13 = STRING: Serial1/4
IF-MIB::ifDescr.14 = STRING: Serial1/5
IF-MIB::ifDescr.15 = STRING: Serial1/6
IF-MIB::ifDescr.16 = STRING: Serial1/7
IF-MIB::ifDescr.17 = STRING: Null0
IF-MIB::ifDescr.18 = STRING: Vlan1
IF-MIB::ifDescr.29 = STRING: Vlan10
IF-MIB::ifDescr.67 = STRING: Tunnel4171
IF-MIB::ifDescr.72 = STRING: Vlan30
IF-MIB::ifDescr.74 = STRING: Vlan11
IF-MIB::ifDescr.75 = STRING: Tunnel101
IF-MIB::ifDescr.76 = STRING: Tunnel3171
IF-MIB::ifDescr.77 = STRING: Vlan40
IF-MIB::ifDescr.78 = STRING: Tunnel4172
IF-MIB::ifDescr.81 = STRING: FastEthernet0/0.372
IF-MIB::ifDescr.83 = STRING: Tunnel800
IF-MIB::ifDescr.84 = STRING: Tunnel802

Т.е. он выдает Tunnel 4171, 3171, 4172, 101, 800, 802, но нет 900 с индексом 82. При этом сам туннель работает без проблем.