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Defaults
Disabled—VLAN counters are disabled in hardware (all linecards/port-pipes) by default.
Command Modes
CONFIGURATION
Command
Version 8.1.1.2
History
Version 8.1.1.0
Example
FTOS(conf)#enable vlan-output-counters
FTOS(conf)#exit
FTOS#show interface vlan 101
Vlan 101 is down, line protocol is down
Address is 00:01:e8:26:e0:5b, Current address is 00:01:e8:26:e0:5b
Interface index is 1107787877
Internet address is not set
MTU 1554 bytes, IP MTU 1500 bytes
LineSpeed 1000 Mbit
ARP type: ARPA, ARP Timeout 04:00:00
Last clearing of "show interface" counters 01:12:44
Queueing strategy: fifo
Input Statistics:
0 packets, 0 bytes
Output Statistics:
0 packets, 0 bytes
Time since last interface status change: 01:12:44
FTOS#
FTOS#show interfaces vlan 1
Vlan 1 is down, line protocol is down
Address is 00:01:e8:13:a5:aa, Current address is 00:01:e8:13:a5:aa
Interface index is 1107787777
Internet address is not set
MTU 1554 bytes, IP MTU 1500 bytes
LineSpeed 1000 Mbit
ARP type: ARPA, ARP Timeout 04:00:00
Last clearing of "show interface" counters 01:36:01
Queueing strategy: fifo
Input Statistics:
100000 packets, 10000000 bytes
Output Statistics:
200000 packets, 20800000 bytes
Time since last interface status change: 01:36:01
FTOS#
Usage
FTOS supports a command to enable viewing of the VLAN input/output counters. This command also
Information
applies to SNMP requests. If the command is not enabled, IFM returns zero values for VLAN output
counters.
SNMP counters differ from show interface counters as SNMP counters must maintain history. At any
point, the value of SNMP counters reflect the amount of traffic being carried on the VLAN.
VLAN output counters may show higher than expected values because source-suppression drops are
counted.
During an RPM failover event, all SNMP counters remain intact. The counters will sync over to the
secondary RPM.
Introduced on E-Series ExaScale E600i
Introduced on E-Series ExaScale E1200i
Enabling VLAN output reveals the output statistics counters for the VLAN
Layer 2 | 889
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