DPDK: kernel: [155631.653203] packet size is too long (3554 > 1518) seen when vhost has jumbo mtu
Bug #1694343 reported by
Vinod Nair
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Juniper Openstack |
Won't Fix
|
Medium
|
Kiran | ||
R4.0 |
Won't Fix
|
Medium
|
Kiran | ||
R4.1 |
Won't Fix
|
Medium
|
Kiran | ||
Trunk |
Won't Fix
|
Medium
|
Kiran |
Bug Description
With nets such as with lbaas , when vhost0 has jumbo mtu see below messages in syslog
May 29 16:46:59 cs-scale-02 kernel: [155631.589963] packet size is too long (3554 > 1518)
May 29 16:46:59 cs-scale-02 kernel: [155631.625381] packet size is too long (2962 > 1518)
May 29 16:46:59 cs-scale-02 kernel: [155631.644056] packet size is too long (3554 > 1518)
May 29 16:46:59 cs-scale-02 kernel: [155631.653203] packet size is too long (3554 > 1518)
information type: | Proprietary → Public |
Changed in juniperopenstack: | |
status: | New → Won't Fix |
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Linux AF pkt driver currently doesn't support jumbo mtu . If netns is used like in snat or lbaas , vhost mtu cannot be set to jumbo