The MPLS-OPS Archive

[sanjaykrishna <sanjaykrishna@telstra.com>]

Thanks Rajesh,

I will try this and see how it goes.

Sanjay


----- Original Message -----
From: rajesh <rajesh.chauhan@estelcom.com>
Date: Wednesday, November 26, 2003 11:08 pm
Subject: Re: RE:[MPLS-OPS]: MTU issues in MPLS VPN Network

> Dear Sanjay
> 
> The workaround for this problem is set MTU size throughout the 
> MPLS domain
> i.e. on all mpls enables interfaces on all PEs and P routers. In 
> case of
> Vlan , it should be atleast 1526.
> 
> Rajesh
> 
> ----- Original Message -----
> From: "sanjaykrishna" <sanjaykrishna@telstra.com>
> To: <mpls-ops@mplsrc.com>
> Sent: Wednesday, November 26, 2003 10:57 AM
> Subject: RE:[MPLS-OPS]: MTU issues in MPLS VPN Network
> 
> 
> >
> > Hi,
> >
> > I am having problems sending 1500 byte packet over our mpls vpn test
> network to internet.  I  have setup internet connection using a 
> separate VPN
> and have defaults inbound.
> >
> >
> > My laptop (mtu ethernet default) connects to an dot1q VLAN. This 
> vlan is
> in the internet VRF (iVRF). Internet VRF then connects to Border 
> Router then
> to upstream provider.
> >
> >
> > Laptop <--> (vlan, iVRF)PE <--->PE <---> PE <--> (vlan, iVRF) Border
> Router <--> Internet
> >
> > When my laptop is using default mtu I can browse some web sites 
> and cannot
> browse others. Pinging 1500 bytes drops. Changing MTU to 1400 
> bytes works.
> >
> > How can I get my network accept default mtu from laptop?
> >
> > Thanks
> > Sanjay Lal
> >
> >
> >
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> 
> 

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