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rajala
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Jumbo pings between transport node vtep and edge vm vtep failing

Setup

I have two transport nodes and one edge VM.  The transport nodes vteps are 172.16.1.10 and 172.16.1.11 and The edge node vm vtep is 172.16.1.15.

Issue

Jumbo pings between transport nodes vteps works, whereas between transport node and edge vm fails.

Jumbo ping dump between transport nodes vteps:-

[root@srv104-26a:~] vmkping ++netstack=vxlan 172.16.1.10 -c 5 -s 9000

PING 172.16.1.10 (172.16.1.10): 9000 data bytes

9008 bytes from 172.16.1.10: icmp_seq=0 ttl=64 time=0.993 ms

9008 bytes from 172.16.1.10: icmp_seq=1 ttl=64 time=0.886 ms

9008 bytes from 172.16.1.10: icmp_seq=2 ttl=64 time=0.932 ms

9008 bytes from 172.16.1.10: icmp_seq=3 ttl=64 time=0.872 ms

9008 bytes from 172.16.1.10: icmp_seq=4 ttl=64 time=0.841 ms

--- 172.16.1.10 ping statistics ---

5 packets transmitted, 5 packets received, 0% packet loss

round-trip min/avg/max = 0.841/0.905/0.993 ms

Jumbo ping dumps between transport node vtep and edge vm vtep

[root@srv104-26a:~] vmkping ++netstack=vxlan 172.16.1.15 -c 5 -s 9000

PING 172.16.1.15 (172.16.1.15): 9000 data bytes

--- 172.16.1.15 ping statistics ---

5 packets transmitted, 0 packets received, 100% packet loss

Regular ping dumps between transport node vtep and edge vm vtep

[root@srv104-26a:~] vmkping ++netstack=vxlan 172.16.1.15 -c 5

PING 172.16.1.15 (172.16.1.15): 56 data bytes

64 bytes from 172.16.1.15: icmp_seq=0 ttl=64 time=0.734 ms

64 bytes from 172.16.1.15: icmp_seq=1 ttl=64 time=0.845 ms

64 bytes from 172.16.1.15: icmp_seq=2 ttl=64 time=0.851 ms

64 bytes from 172.16.1.15: icmp_seq=3 ttl=64 time=0.644 ms

64 bytes from 172.16.1.15: icmp_seq=4 ttl=64 time=0.689 ms

--- 172.16.1.15 ping statistics ---

5 packets transmitted, 5 packets received, 0% packet loss

round-trip min/avg/max = 0.644/0.753/0.851 ms

Probable Root Cause

I observed Dropped No Memory counters incremented during jumbo frame pings. Any inputs in resolving this issue would be of great help.

hqnsxtedge03(vrf)> get stats

Logical Router

UUID        : 736a80e3-23f6-5a2d-81d6-bbefb2786666

VRF         : 0

LR-ID       : 0

Name        :

Type        : TUNNEL

Statistics

    Dropped No Memory             : 115

    Dropped No Route              : 0

hqnsxtedge03(vrf)> get stats

Logical Router

UUID        : 736a80e3-23f6-5a2d-81d6-bbefb2786666

VRF         : 0

LR-ID       : 0

Name        :

Type        : TUNNEL

Statistics

    Dropped No Memory             : 118

    Dropped No Route              : 0

hqnsxtedge03(vrf)> get stats

Logical Router

UUID        : 736a80e3-23f6-5a2d-81d6-bbefb2786666

VRF         : 0

LR-ID       : 0

Name        :

Type        : TUNNEL

Statistics

    Dropped No Memory             : 119

    Dropped No Route              : 0

Thanks

Mahi

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Accepted Solutions
mauricioamorim
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Take a look at this kb: VMware Knowledge Base

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View solution in original post

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2 Replies
mauricioamorim
VMware Employee
VMware Employee
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Take a look at this kb: VMware Knowledge Base

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Was it helpful? Let us know by completing this short survey here.

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rajala
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Thanks a lot mauricioamorim.

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