Hi Akshaya,

> 
> Does your patch have a way to set per protocol MTU(ip4/ip6/mpls) on s/w 
> interface? We are looking for a way to set per protocol MTU and currently we 
> couldn't find any option for this.

No, but that’s simple to add if there’s a need. 

Cheers,
Ole


> 
> -- 
> Regards,
> Akshaya N 
> 
> -----Original Message-----
> From: Ole Troan <otr...@employees.org>
> To: Nitin Saxena <nitin.sax...@cavium.com>
> Cc: vpp-dev@lists.fd.io
> Subject: Re: [vpp-dev] MTU in vpp
> Date: Wed, 9 May 2018 10:18:02 +0200
> 
> > If dpdk plugin used, which is the default case in VPP, MTU to each 
> > interface is set by retrieving MTU information from underlying DPDK PMD 
> > API: rte_eth_dev_info_get(). So if the device supports max MTU say 9216 
> > then that will be configured.
> > 
> > I don't think setting MTU via vpp cli or startup.config is supported. 
> > Although it should be easy to implement by adding dpdk plugin cli by 
> > calling rte_eth_dev_set_mtu().
> 
> I have a patch in the work that let's you set MTU on software interfaces. 
> Should be there within a few days.
> 
> Best regards,
> Ole
> 
> 
> 
> 

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