Hi All,
We are facing issue of continous packet discards On nexus4001L link (int po2) to Nexus5020 switch. Nexus4001L is installed in IBM blade center server and we have FCOE enabled in this setup.
Output from Nexus4K and Nexus5K switch
--------------------------------------------------------------------
Nexus4K
-----------------
sh int po2
port-channel2 is up
Hardware: Port-Channel, address: 0027.0d23.3e25 (bia 0027.0d23.3e25)
MTU 1500 bytes, BW 20000000 Kbit, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA
Port mode is trunk
full-duplex, 10 Gb/s
Input flow-control is off, output flow-control is off
Switchport monitor is off
Members in this channel: Eth1/15, Eth1/16
Last clearing of "show interface" counters never
1 minute input rate 63360 bits/sec, 0 packets/sec
1 minute output rate 31680 bits/sec, 0 packets/sec
Rx
58673871 input packets 46816599 unicast packets 8948682 multicast packets
2905225 broadcast packets 4778493 jumbo packets 0 storm suppression packets
18598914344 bytes
Tx
28459915 output packets 165028 multicast packets
165966 broadcast packets 4983609 jumbo packets
13097087442 bytes
0 input error 0 short frame 0 watchdog
0 no buffer 0 runt 0 CRC 0 ecc
0 overrun 0 underrun 0 ignored 0 bad etype drop
0 bad proto drop 0 if down drop 0 input with dribble
5148541 input discard
0 output error 0 collision 0 deferred
0 late collision 0 lost carrier 0 no carrier
0 babble
26936 Rx pause 72172 Tx pause
0 interface resets
int eth 1/15
--------------------
Ethernet1/15 is up
Hardware: 1000/10000 Ethernet, address: 0027.0d23.3e25 (bia 0027.0d23.3e25)
MTU 1500 bytes, BW 10000000 Kbit, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA
Port mode is trunk
full-duplex, 10 Gb/s, media type is 10g
Input flow-control is off, output flow-control is off
Rate mode is dedicated
Switchport monitor is off
Last link flapped 4week(s) 1day(s)
Last clearing of "show interface" counters 6d03h
1 minute input rate 30096 bits/sec, 0 packets/sec
1 minute output rate 24552 bits/sec, 0 packets/sec
Rx
25179403 input packets 18779339 unicast packets 6373796 multicast packets
24699 broadcast packets 696381 jumbo packets 0 storm suppression packets
4132988284 bytes
Tx
13015335 output packets 80705 multicast packets
112797 broadcast packets 4236515 jumbo packets
10037436210 bytes
0 input error 0 short frame 0 watchdog
0 no buffer 0 runt 0 CRC 0 ecc
0 overrun 0 underrun 0 ignored 0 bad etype drop
0 bad proto drop 0 if down drop 0 input with dribble
1477662 input discard
0 output error 0 collision 0 deferred
0 late collision 0 lost carrier 0 no carrier
0 babble
12552 Rx pause 33844 Tx pause
0 interface resets
int eth1/16
-----------------
sh int ethernet 1/16
Ethernet1/16 is up
Hardware: 1000/10000 Ethernet, address: 0027.0d23.3e26 (bia 0027.0d23.3e26)
MTU 1500 bytes, BW 10000000 Kbit, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA
Port mode is trunk
full-duplex, 10 Gb/s, media type is 10g
Input flow-control is off, output flow-control is off
Rate mode is dedicated
Switchport monitor is off
Last link flapped 4week(s) 1day(s)
Last clearing of "show interface" counters 6d03h
1 minute input rate 37224 bits/sec, 0 packets/sec
1 minute output rate 3168 bits/sec, 0 packets/sec
Rx
33497632 input packets 28039706 unicast packets 2575356 multicast packets
2880784 broadcast packets 4082112 jumbo packets 0 storm suppression packets
14466244002 bytes
Tx
15445558 output packets 84334 multicast packets
53177 broadcast packets 747094 jumbo packets
3059752543 bytes
0 input error 0 short frame 0 watchdog
0 no buffer 0 runt 0 CRC 0 ecc
0 overrun 0 underrun 0 ignored 0 bad etype drop
0 bad proto drop 0 if down drop 0 input with dribble
3671262 input discard
0 output error 0 collision 0 deferred
0 late collision 0 lost carrier 0 no carrier
0 babble
14384 Rx pause 38328 Tx pause
0 interface resets
Interface eth1/15 7 Eth1/16 are part of port channel 2.
interface Ethernet1/15
switchport mode trunk
switchport trunk native vlan 200
fip-snooping port-mode fcf
spanning-tree port type edge trunk
speed 10000
udld aggressive
channel-group 2 mode active
interface Ethernet1/16
switchport mode trunk
switchport trunk native vlan 200
fip-snooping port-mode fcf
spanning-tree port type edge trunk
speed 10000
udld aggressive
channel-group 2 mode active
interface port-channel2
switchport mode trunk
switchport trunk native vlan 200
fip-snooping port-mode fcf
link state group 1 upstream
spanning-tree port type edge trunk
speed 10000
We have a VMware server installed on port eth1/3 on nexus 4001lswitch
usvaclpdevsw06# sh int eth1/3
Ethernet1/3 is up
Hardware: 1000/10000 Ethernet, address: 0027.0d23.3e19 (bia 0027.0d23.3e19)
Description: **ESX41-D server**
MTU 1500 bytes, BW 10000000 Kbit, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA
Port mode is trunk
full-duplex, 10 Gb/s, media type is 10g
Input flow-control is off, output flow-control is off
Rate mode is dedicated
Switchport monitor is off
Last link flapped 2week(s) 6day(s)
Last clearing of "show interface" counters 6d03h
1 minute input rate 1584 bits/sec, 0 packets/sec
1 minute output rate 11088 bits/sec, 0 packets/sec
Rx
5333437 input packets 5315457 unicast packets 17356 multicast packets
624 broadcast packets 3467595 jumbo packets 0 storm suppression packets
7731840064 bytes
Tx
18388093 output packets 6462820 multicast packets
1711486 broadcast packets 3416170 jumbo packets
11061993702 bytes
0 input error 0 short frame 0 watchdog
0 no buffer 0 runt 0 CRC 0 ecc
0 overrun 0 underrun 0 ignored 0 bad etype drop
0 bad proto drop 0 if down drop 0 input with dribble
0 input discard
0 output error 0 collision 0 deferred
0 late collision 0 lost carrier 0 no carrier
0 babble
0 Rx pause 31908 Tx pause
0 interface resets
Please let me know, if more logs required.
Thanks
Mahi
