About sean chang

sean chang · 10-22-2012

Hi, every one, I spent couple of days trying to make a site-to-site VPN between PIX535 and router 2811 work but come up empty handed, I followed instructions here:http://www.cisco.com/en/US/products/ps9422/products_configuration_example09186a0080b4...

sean chang · 10-02-2012

Hi, everyone, Previously I saw a similar thread and posted my troubles with outgoing VPN connections inside that thread:https://supportforums.cisco.com/message/3688980#3688980I did get great help but unfortunatedly my problem is somewhat diff...

sean chang · 10-19-2011

Hi, Everyone,I recently bought one Pix 535 from ebay, it comes with software version 7.22 and I upgraded it to 8.0.4, during booting, this message always comes up: "Failed to enable checksum capability", like the following://output copy--------------...

sean chang · 10-03-2011

Our enviroment: backbone switch Catalsyt 3560X with Layer 3 inter-Vlan routingRouter: Pix 515E , software version 8.0.4we have L3 vlans using VTP on the switches, inter-vlan working, 2 Vlans are as the following:vlan 1 : 10.1.1.1/255.255.0.0vlan192:...

sean chang · 05-20-2011

Thank you everyone for helping me out, I come from Oracle DBA backround so I need and do get lot of helps from experts here.My switch is: catalyst 3560X with 122(53)SE IPBASE.here is some of my Vlan configurations: I don't use ROUTE Port, I configu...

sean chang · 10-22-2012

Thank you , thank you, thank you Javier Portuguez, your solution works!!!! you definitely saved me countless hours of headache and hard work, I think today is my luck day to have an expert like you.I 'm a programmer in a small company , for Cisc...

sean chang · 10-19-2012

It's been 2 weeks already, I actually made progress on this outgoing VPN thing. Though my solution may not be useful for others, I still post here: the cause is most likely a NAT issue related to COX CIDR address allocation, Here COX told me th...

sean chang · 10-06-2012

Thank you Rizwan,we can't have something like 70.169.138.2---70.169.138.16, we are having CIDR address, the outside interface is only one IP , anything else is not ours. The 16 IP addresses assigned to us are in a totally different class from the...

sean chang · 10-05-2012

Thank you Rizwan, I deleted all rules you mentioned above but still no luck.Now I think I need change Global Address POOL 10 to type of NAT, when I try to recreate a new POOL, it has 3 choices: Range , Port Address Translation ...

sean chang · 10-04-2012

New Info: I actually got some new trace data for outgoing-VPN client dropping problem, the key difference is something called [Interface Pat] is used when the PC has no static NAT, here are the details: (pix inside=10.1/16)#1: when the PC uses dynami...

Member Since	‎06-19-2006 07:51 AM
Date Last Visited	‎08-18-2017 03:54 AM
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Site-to-Site VPN btw Pix535 and Router 2811, can't get it work

Outgoing IPSec VPN connection behind Pix535 problem: narrowed down to NAT-related

PIX535 booting with "Failed to enable checksum capability"

Layer 3 Vlan with Pix router, NAT issues, Please help

InterVlan routing problem with Multicast IP( Exchange CAS array IP)

Re: Site-to-Site VPN btw Pix535 and Router 2811, can't get it wo

Re: Outgoing IPSec VPN connection behind Pix535 problem: narrow

Outgoing IPSec VPN connection behind Pix535 problem: narrowed d

Re: Outgoing IPSec VPN connection behind Pix535 problem: narrow

Re: Outgoing IPSec VPN connection behind Pix535 problem: narrow