Can build two ASA balancing as active/active mode?
Hi, professionals
I wonder if two ASA able to set up a balancing as active/active mode, balance the traffic?
Thanks in advance,
Yang
Yes, that running in active/active ASA is so you can load balance traffic. Here is a link with more information.
http://www.Cisco.com/en/us/products/ps6120/products_configuration_example09186a0080834058.shtml
It will be useful.
Tags: Cisco Security
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Bug CSCsr31403
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I run the wizard from site to site on two ASAs let communication flow between two internal networks, an internal behind each of them.
The wizard went very well, but what caught my attention is that there is no possibility to tell the ASA 2 it is the counterpart of connection (and not the hand / server peer). Guide States"on the remote site, set up the second Adaptive security device to serve as a VPN peer. Use the procedure allows you to configure the device local Adaptive Security, starting with the section 'configure the Adaptive Security device has the Local Site' and ending by 'view VPN attributes and complete Wizard' section. "- but I could not find this setting.
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Apart from the address: 100.100.0.14 255.255.255.252
inside the interface: vlan580
inside address: 10.10.10.1 255.255.255.0
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Apart from the address: 200.200.105.126 255.255.255.252
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See chart for visualization.
Here's what I think, it is the relevant config of the SAA.
# 1 ASA
wan_1_cryptomap to access extended list ip 10.10.10.0 allow 255.255.255.0 10.180.3.0 255.255.255.0
vlan581_nat0_outbound to access extended list ip 10.10.10.0 allow 255.255.255.0 10.180.3.0 255.255.255.0
Crypto ipsec transform-set esp-3des esp-md5-hmac TRANS_ESP_3DES_MD5
Crypto ipsec transform-set transit mode TRANS_ESP_3DES_MD5
Crypto ipsec transform-set esp-SHA-ESP-3DES-3des esp-sha-hmac
life crypto ipsec security association seconds 28800
Crypto ipsec kilobytes of life - safety 4608000 association
Crypto-map dynamic outside_dyn_map pfs set 20 Group1
Crypto-map dynamic outside_dyn_map 20 the value transform-set ESP-3DES-SHA
card crypto outside_map 1 match address wan_1_cryptomap
card crypto outside_map 1 set pfs Group1
peer set card crypto outside_map 1 200.200.105.126
card crypto outside_map 1 set of transformation-ESP-3DES-SHA
map outside_map 20-isakmp ipsec crypto dynamic outside_dyn_map
outside_map card crypto wan interface
Crypto ca trustpoint ASDM_TrustPoint0
domain name full asa01
name of the object CN = asa01
no client-type
Configure CRL
ISAKMP crypto enable wan
crypto ISAKMP policy 10
preshared authentication
3des encryption
sha hash
Group 2
life 86400
tunnel-group 200.200.105.126 type ipsec-l2l
IPSec-attributes tunnel-group 200.200.105.126
pre-shared key *.
# 2 ASA
access extensive list ip 10.180.3.0 outside_1_cryptomap allow 255.255.255.0 10.10.10.0 255.255.255.0
access extensive list ip 10.180.3.0 inside_nat0_outbound allow 255.255.255.0 10.10.10.0 255.255.255.0
Crypto ipsec transform-set esp-SHA-ESP-3DES-3des esp-sha-hmac
life crypto ipsec security association seconds 28800
Crypto ipsec kilobytes of life - safety 4608000 association
Crypto-map dynamic outside_dyn_map pfs set 20 Group1
Crypto-map dynamic outside_dyn_map 20 the value transform-set ESP-3DES-SHA
card crypto outside_map 1 match address outside_1_cryptomap
card crypto outside_map 1 set pfs Group1
peer set card crypto outside_map 1 100.100.0.14
card crypto outside_map 1 set of transformation-ESP-3DES-SHA
map outside_map 65535-isakmp ipsec crypto dynamic outside_dyn_map
outside_map interface card crypto outside
crypto ISAKMP allow outside
crypto ISAKMP policy 10
preshared authentication
3des encryption
sha hash
Group 2
life 86400
No encryption isakmp nat-traversal
tunnel-group 100.100.0.14 type ipsec-l2l
IPSec-attributes tunnel-group 100.100200.200.0.14
pre-shared key *.
Basically, it works like this
The tunnel not initiate until he receives a portion of the traffic to the other side.
Both ends can resolve the tunnels towards the other ASA for anyone to peer that receives a packet with destination to the network behind the other peer will launch the installation of the vpn tunnel.
When you do things in the ASDM he sometimes changes a little. so in a different versions of the asdm, it sounds a little different from the other.
a peer is the other side of the vpn connection. you have 2 peers on either side of the tunnel.
then try to generate traffic to som on your side at the other end and check again for the tunnel.
Good luck
HTH
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