bir arayüz üzerinden hata geliyor ve yapılan müdehaleler sonrasında sorunun devam edip etmediğini görmek istiyorsak interface sayaç değerlerini sıfırlamak işleri kolaylaştıracaktır. aşagıdaki örnek arayüzde CRC errorları dikkat çekmektedir…
[~router]display interface 50|100GE 5/1/0
50|100GE5/1/0 current state : UP (ifindex: 212)
Line protocol current state : UP
Link quality grade : GOOD
Description: interface
Route Port,The Maximum Transmit Unit is 9212
IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is 6dc4-6dc4-6dc4
Factor/Module: QSFP28, Standard: 100GBASE-LR4, FecMode: Disable
The Vendor PN is RTXM290-806
The Vendor Name is WTD
Port BW: 100G, Transceiver max BW: 100G, Transceiver Mode: SingleMode
Connector Type: LC, Transmission Distance: 10km
WaveLength: 1295.56nm 1300.05nm 1304.58nm 1309.14nm
Rx Warning range: [-10.599, 4.500]dBm, Tx Warning range: [-4.300, 4.500]dBm
Rx0 Power: -7.40dBm, Tx0 Power: 1.57dBm
Rx1 Power: -6.83dBm, Tx1 Power: 2.04dBm
Rx2 Power: -6.83dBm, Tx2 Power: 1.99dBm
Rx3 Power: -6.74dBm, Tx3 Power: 2.02dBm
Loopback: none, LAN full-duplex mode, Pause Flowcontrol: Receive Enable and Send Enable
Port Speed Switch Mode: manual
Last physical up time : 2026-02-24 11:51:30+03:00
Last physical down time : 2026-02-24 11:49:07+03:00
Current system time: 2026-02-24 13:19:54+03:00
Statistics last cleared:2024-12-16 07:53:02+03:00
Last 300 seconds input rate: 1477811763 bits/sec, 280550 packets/sec
Last 300 seconds output rate: 1527603379 bits/sec, 232249 packets/sec
Input peak rate 1477811763 bits/sec, Record time: 2026-02-24 13:19:54+03:00
Output peak rate 1527634378 bits/sec, Record time: 2026-02-24 13:19:54+03:00
Input: 3342830018023050 bytes, 5756490768291 packets
Output: 6834371174146959 bytes, 8252820686074 packets
Input:
Unicast: 5756432761945 packets, Multicast: 58006026 packets
Broadcast: 320 packets, JumboOctets: 405942739572 packets
CRC: 771506832 packets, Symbol: 80511712 packets
Overrun: 0 packets, InRangeLength: 0 packets
LongPacket: 0 packets, Jabber: 0 packets, Alignment: 0 packets
Fragment: 0 packets, Undersized Frame: 0 packets
RxPause: 0 packets
Output:
Unicast: 8252768032451 packets, Multicast: 52653468 packets
Broadcast: 155 packets, JumboOctets: 1274128818374 packets
Lost: 0 packets, Overflow: 0 packets, Underrun: 0 packets
System: 0 packets, Overruns: 0 packets
TxPause: 0 packets
Local fault: normal, Remote fault: normal.
Last 300 seconds input utility rate: 1.47%
Last 300 seconds output utility rate: 1.52%
şimdi bu verileri temizleyelim.. öncelikle konfig moddan çıkılması gerekmektedir. sonrasında reset counter komut ile ilgili arayüze ait veriler sıfırlanabilir.
[~router]quit
<router>reset counters interface 50|100GE 5/1/0
Info: This operation resets the counters in the display interface command output on this interface.
Info: Reset successfully.
<router>
şimdi kontol edelim
<router>display interface 50|100GE 5/1/0
50|100GE5/1/0 current state : UP (ifindex: 212)
Line protocol current state : UP
Link quality grade : GOOD
Description: interface
Route Port,The Maximum Transmit Unit is 9212
IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is 6dc4-6dc4-6dc4
Factor/Module: QSFP28, Standard: 100GBASE-LR4, FecMode: Disable
The Vendor PN is RTXM290-806
The Vendor Name is WTD
Port BW: 100G, Transceiver max BW: 100G, Transceiver Mode: SingleMode
Connector Type: LC, Transmission Distance: 10km
WaveLength: 1295.56nm 1300.05nm 1304.58nm 1309.14nm
Rx Warning range: [-10.599, 4.500]dBm, Tx Warning range: [-4.300, 4.500]dBm
Rx0 Power: -7.40dBm, Tx0 Power: 1.58dBm
Rx1 Power: -6.83dBm, Tx1 Power: 2.05dBm
Rx2 Power: -6.83dBm, Tx2 Power: 1.97dBm
Rx3 Power: -6.71dBm, Tx3 Power: 2.05dBm
Loopback: none, LAN full-duplex mode, Pause Flowcontrol: Receive Enable and Send Enable
Port Speed Switch Mode: manual
Last physical up time : 2026-02-24 11:51:30+03:00
Last physical down time : 2026-02-24 11:49:07+03:00
Current system time: 2026-02-24 13:28:10+03:00
Statistics last cleared:2026-02-24 13:28:01+03:00
Last 300 seconds input rate: 1407061768 bits/sec, 273766 packets/sec
Last 300 seconds output rate: 1454198771 bits/sec, 222001 packets/sec
Input peak rate 1407061768 bits/sec, Record time: 2026-02-24 13:28:10+03:00
Output peak rate 1454872520 bits/sec, Record time: 2026-02-24 13:28:10+03:00
Input: 1684316592 bytes, 2702946 packets
Output: 1743681595 bytes, 2184529 packets
Input:
Unicast: 2702931 packets, Multicast: 15 packets
Broadcast: 0 packets, JumboOctets: 99374 packets
CRC: 0 packets, Symbol: 0 packets
Overrun: 0 packets, InRangeLength: 0 packets
LongPacket: 0 packets, Jabber: 0 packets, Alignment: 0 packets
Fragment: 0 packets, Undersized Frame: 0 packets
RxPause: 0 packets
Output:
Unicast: 2184515 packets, Multicast: 14 packets
Broadcast: 0 packets, JumboOctets: 212072 packets
Lost: 0 packets, Overflow: 0 packets, Underrun: 0 packets
System: 0 packets, Overruns: 0 packets
TxPause: 0 packets
Local fault: normal, Remote fault: normal.
Last 300 seconds input utility rate: 1.40%
Last 300 seconds output utility rate: 1.45%