About vjcastigo

vjcastigo · 04-25-2016

Hi Experts, We have a Cisco ASA 5510 in office. My colleague tried to upgrade the firmware from 8.2.1 to 9.1.6. However, after the upgrade, nobody can connect to VPN anymore. So he decided to rollback the firmware to 8.2.1. Most of the users are abl...

vjcastigo · 10-26-2015

Hi Experts, We are planning to replace our existing stack switches (WS-C3750-48TS x 4) with four new switches (WS-C3750X-48T-E x 4). Below are the main differences that I know of between the two models:Current switches:WS-C3750-48TS (fast Ethernet in...

vjcastigo · 05-05-2015

Hi,What is the best or recommended process in replacing all 4 switches with the same model to be on stack as well? No configuration changes will be made. Just replacing all the hardware and all the cables will be connected to the same ports.Thanks fo...

vjcastigo · 05-17-2016

Managed to resolve it by resetting the VPN group pre-shared key. Thanks all for the input.

vjcastigo · 04-27-2016

Hi Philip, Thanks for the prompt reply. There are multiple VPN users but all of us are within the same VPN group.

vjcastigo · 10-26-2015

Like mls qos, arp table refresh, mac-address table refresh and etc.

vjcastigo · 10-26-2015

Thanks Leo. How about the change of default parameters? Does it actually happen in upgrading IOS version or the default parameters always stays the same?

vjcastigo · 10-26-2015

We have a time constraint for the maintenance window as the impact is very high. Rack space is also an issue. Reason why we decided to completely replace the old stack with the new stack. With your recommendations, is it better to downgrade the new s...

Member Since	‎05-05-2015 07:37 PM
Date Last Visited	‎08-18-2017 03:54 AM
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Unable to VPN in to Cisco ASA 5510

Migrating Stack Switches

Replacing 4 x 48 port 3750 switches on stack

Managed to resolve it by

Hi Philip,

Like mls qos, arp table

Thanks Leo. How about the

We have a time constraint for