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Beginner

Jumbo Frames on Nexus 4000i only on TX

Hi,

we have Nexus 4001i in our IBM BC,

we can see on the uplink interfaces (1/15):

  Tx

    3522860458 output packets 2030 multicast packets

    0 broadcast packets 59210028 jumbo packets

but on the other interfaces there is no Jumbo frames at all.

i would expect that when there is Jumbo frames on one of th tx interfaces of the switch, there will be jumbo frames on other interfaces rx side.

there are no errors/discards other then that, so i don't understand how the switch creates these Jumbo frames?

here is the configuration:

ip domain-lookup

ip host switch 172.19.37.207

system default switchport

logging event link-status default

system qos

  service-policy type queuing output default-out-policy

snmp-server user USERID network-admin auth md5 0x4b7b74583a8f7b74a3cfec63a749102e priv 0x4b7b74583a8

f7b74a3cfec63a749102e localizedkey

vrf context management

vlan 1,33

ele-fwd pause rate threshold is 1000 pps

interface port-channel1

  switchport mode trunk

  switchport trunk allowed vlan 33

  speed 10000

interface Ethernet1/1

  switchport access vlan 33

  spanning-tree port type edge

  speed auto

interface Ethernet1/2

  switchport access vlan 33

  spanning-tree port type edge

  speed auto

interface Ethernet1/3

  switchport access vlan 33

  spanning-tree port type edge

  speed auto

interface Ethernet1/4

  switchport access vlan 33

  spanning-tree port type edge

  speed auto

interface Ethernet1/5

  switchport access vlan 33

  spanning-tree port type edge

  speed auto

interface Ethernet1/6

  switchport access vlan 33

  spanning-tree port type edge

  speed auto

interface Ethernet1/7

  switchport access vlan 33

  spanning-tree port type edge

  speed auto

interface Ethernet1/8

  switchport access vlan 33

  spanning-tree port type edge

  speed auto

interface Ethernet1/9

  switchport access vlan 33

  spanning-tree port type edge

  speed auto

interface Ethernet1/10

  switchport access vlan 33

  spanning-tree port type edge

  speed auto

interface Ethernet1/11

  switchport access vlan 33

  spanning-tree port type edge

  speed auto

interface Ethernet1/12

  switchport access vlan 33

  spanning-tree port type edge

  speed auto

interface Ethernet1/13

  switchport access vlan 33

  spanning-tree port type edge

  speed auto

interface Ethernet1/14

  switchport access vlan 33

  spanning-tree port type edge

  speed auto

interface Ethernet1/15

  description "To_F5_1"

  switchport mode trunk

  switchport trunk allowed vlan 33

  speed 10000

  channel-group 1

interface Ethernet1/16

  switchport mode trunk

  switchport trunk allowed vlan 33

  speed 10000

  channel-group 1

interface Ethernet1/17

  speed 10000

interface Ethernet1/18

  speed 10000

interface Ethernet1/19

  speed 10000

interface Ethernet1/20

  speed 10000

interface mgmt0

interface mgmt1

boot kickstart bootflash:/n4000-bk9-kickstart.4.1.2.E1.1k.bin

boot system bootflash:/n4000-bk9.4.1.2.E1.1k.bin

system health loopback frequency 60

no system default switchport shutdown

line vty

thanks for the help,

Yaron

Everyone's tags (4)
2 REPLIES 2
Cisco Employee

Jumbo Frames on Nexus 4000i only on TX

Yaron,

I am not expert on 4000 series but I would like to share the below links which might be useufll:

https://supportforums.cisco.com/thread/2100304

http://www.cisco.com/en/US/docs/switches/datacenter/nexus4000/nexus4000_i/sw/configuration/guide/rel_4_1_2_E1_1/qos_config.html

HTH

Regards

Inayath

***********Plz rate all usefull posts************

Beginner

Jumbo Frames on Nexus 4000i only on TX

thanks,

i already checked this one.

it is not related to the problem.

Yaron

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