[IPsec] IPsec easy VPN
Syed Ajim Hussain <syedah@huawei.com> Tue, 09 March 2010 11:44 UTC
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Date: Tue, 09 Mar 2010 17:14:43 +0530
From: Syed Ajim Hussain <syedah@huawei.com>
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Subject: [IPsec] IPsec easy VPN
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Hi All
Many IPSec vendor support Easy VPN Clients, As I want to know , there is
no separate RFC for Easy VPN, How this clients compatible with IPSEC
Easy VPN Server? Easy VPN Client uses Mode-Configuration to get IP-
Address, DNS Server Address, IPSEC proposal information , ACL
information from Server,
Where as Mode-Configuration does not have any Easy-VPN Specific
Attributes. So does these Easy VPN Mode-Configuration attributes
privately defined?
Does any company have patent on Easy-VPN Technology.
The following attributes are currently defined:
Attribute Value Type Length
========================= ======= ========== =====================
RESERVED 0
INTERNAL_IP4_ADDRESS 1 Variable 0 or 4 octets
INTERNAL_IP4_NETMASK 2 Variable 0 or 4 octets
INTERNAL_IP4_DNS 3 Variable 0 or 4 octets
INTERNAL_IP4_NBNS 4 Variable 0 or 4 octets
INTERNAL_ADDRESS_EXPIRY 5 Variable 0 or 4 octets
INTERNAL_IP4_DHCP 6 Variable 0 or 4 octets
APPLICATION_VERSION 7 Variable 0 or more
INTERNAL_IP6_ADDRESS 8 Variable 0 or 16 octets
INTERNAL_IP6_NETMASK 9 Variable 0 or 16 octets
INTERNAL_IP6_DNS 10 Variable 0 or 16 octets
INTERNAL_IP6_NBNS 11 Variable 0 or 16 octets
INTERNAL_IP6_DHCP 12 Variable 0 or 16 octets
INTERNAL_IP4_SUBNET 13 Variable 0 or 4 octets
SUPPORTED_ATTRIBUTES 14 Variable 0 or multiples of 2
Reserved for future use 15-16383
Reserved for private use 16384-32767
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- [IPsec] IPsec easy VPN Syed Ajim Hussain