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RE: Layer 2 VPNs over switch

  • From: BERKANE Mourad <mourad.berkane.prestataire@sfrcegetelsi.fr>
  • Date: Fri, 23 Jan 2004 11:18:46 +0100
  • Cc: "'mpls-ops@mplsrc.com'" <mpls-ops@mplsrc.com>
  • Resent-Date: Fri, 23 Jan 2004 05:49:15 -0500
  • To: "'Iasonas Charalambous'" <iasonasc@cytanet.com.cy>

Title: RE: [MPLS-OPS]: Layer 2 VPNs over switch


Hello Iasonas,

Ethernet switches in your MPLS Core network is not incompatible, you must only enable Jumbo frames when possible.
(1526 is not always enought!)

R/
Mourad

-----Message d'origine-----
De: Iasonas Charalambous [mailto:iasonasc@cytanet.com.cy]
Date: vendredi 23 janvier 2004 08:29
À: mpls-ops@mplsrc.com
Objet: [MPLS-OPS]: Layer 2 VPNs over switch


Hi all,

I heart that Layer2 VPNs have problems when going thourgh Etherner
switches. Does anyone know if this is the case? I know that Layer 3 VPNs
have similar problems but they can be handled by  changing the MTU size on
the switch to 1526 bytes and setting the command "mpls MTU 1526" on cisco
routers ethernet ports.

Thanks,

Iasonas
___________________________________________________________________________
Iasonas Charalambous                            email: iasonas.c@cytanet.com.cy
CYPRUS TELECOM. AUTHORITY               TEL + 357 22701609
Technical Management Internet Services  www: http://www.cytanet.com.cy
Telecommunications Str                  FAX +357 22486634
P.O.Box 24929, CY-1396
Nicosia, Cyprus                        

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