[nsp] ppp mtu adaptive

Scott Morris swm at emanon.com
Fri Jun 13 23:40:39 EDT 2003


It's used for solving MTU differences with VPDN templates between PPPoA
and PPPoE, used with L2TP forwarding...  It's a new command, and I don't
think there is any web page about it yet, but keeping looking at Cisco's
site for it!  (Keep fingers crossed)  :)

LNS Configuration
vpdn enable
!
vpdn-group tunnel1
accept-dialin
protocol l2tp
virtual-template 1
terminate-from hostname HGW1
local name LNS1
l2tp tunnel password 7 04570A04
l2tp tunnel receive-window 100
l2tp tunnel retransmit timeout min 2
!
interface Virtual-Template1
ip unnumbered GigabitEthernet2/0/0
no keepalive
peer default ip address pool pool-1
ppp mtu adaptive
ppp authentication pap callin
!
ip local pool pool-1 4.2.0.0 4.2.255.255

Scott


-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Arie Vayner
Sent: Friday, June 13, 2003 6:30 PM
To: cisco-nsp at puck.nether.net
Subject: [nsp] ppp mtu adaptive



Hi

I have seen this command being used under Virtual-Template interfaces
with 
L2TP VPDN over DSL

Can someone point me to a document explaining what it does? I cannot
find 
it anywhere on www.cisco.com

Thanks
Arie

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