[c-nsp] L2TP cisco 2800 client -- juniper ERX310 server

[Joe Abley]

Hi all,

Does anybody happen to have a canned cisco configuration for building an L2TP tunnel between a cisco client and a Juniper ERX310, particularly where the outgoing interface on the cisco has "ip address dhcp"?

Cisco in question is

r1#show ver 
Cisco IOS Software, 2800 Software (C2800NM-ADVIPSERVICESK9-M), Version 12.4(24)T5, RELEASE SOFTWARE (fc3)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2011 by Cisco Systems, Inc.
Compiled Fri 04-Mar-11 03:52 by prod_rel_team

ROM: System Bootstrap, Version 12.4(13r)T, RELEASE SOFTWARE (fc1)

r1 uptime is 1 week, 5 days, 23 hours, 57 minutes
System returned to ROM by bus error at PC 0x4224CB60, address 0xB0D0B0D at 20:42:01 GMT Thu Aug 18 2011
System restarted at 20:44:05 GMT Thu Aug 18 2011
System image file is "flash:c2800nm-advipservicesk9-mz.124-24.T5.bin"


This product contains cryptographic features and is subject to United
States and local country laws governing import, export, transfer and
use. Delivery of Cisco cryptographic products does not imply
third-party authority to import, export, distribute or use encryption.
Importers, exporters, distributors and users are responsible for
compliance with U.S. and local country laws. By using this product you
agree to comply with applicable laws and regulations. If you are unable
to comply with U.S. and local laws, return this product immediately.

A summary of U.S. laws governing Cisco cryptographic products may be found at:
http://www.cisco.com/wwl/export/crypto/tool/stqrg.html

If you require further assistance please contact us by sending email to
export at cisco.com.

Cisco 2821 (revision 53.51) with 1036288K/12288K bytes of memory.
Processor board ID FHK1136F3SP
2 Gigabit Ethernet interfaces
2 ATM interfaces
1 Virtual Private Network (VPN) Module
DRAM configuration is 64 bits wide with parity enabled.
239K bytes of non-volatile configuration memory.
62720K bytes of ATA CompactFlash (Read/Write)

Configuration register is 0x2102

r1#


Joe