The MPLS-OPS Archive

Cell Relay Retreat>MPLS-OPS Archive>month:2003-Nov> msg00090



[Date Prev][Date Next][Thread Prev][Thread Next]  
  [Date Index][Thread Index][Author Index][Subject Index]

Re: RE:MTU issues in MPLS VPN Network

  • From: "rajesh" <rajesh.chauhan@estelcom.com>
  • Date: Wed, 26 Nov 2003 18:38:42 +0530
  • Resent-Date: Wed, 26 Nov 2003 08:39:31 -0500
  • To: "sanjaykrishna" <sanjaykrishna@telstra.com>, <mpls-ops@mplsrc.com>
  • X-AntiAbuse: This header was added to track abuse, please include it with any abuse report
  • X-AntiAbuse: Primary Hostname - cpanel.people-connect.com
  • X-AntiAbuse: Original Domain - mplsrc.com
  • X-AntiAbuse: Originator/Caller UID/GID - [0 0] / [47 12]
  • X-AntiAbuse: Sender Address Domain - estelcom.com

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
>
>
>
> ----------------
> Powered by telstra.com
>
>
> -------
> The MPLS-OPS Mailing List
> Subscribe/Unsubscribe:  http://www.mplsrc.com/mplsops.shtml
> Archive: http://www.mplsrc.com/mpls-ops_archive.shtml
>
>
>

-------
The MPLS-OPS Mailing List
Subscribe/Unsubscribe:  http://www.mplsrc.com/mplsops.shtml
Archive: http://www.mplsrc.com/mpls-ops_archive.shtml