ASA 5510 subinterfacing for gateway port

Unanswered Question
Oct 22nd, 2009

Dear Frnds ,

Can i use subinterfacing for two isp links for the one physical port , due to that i am able to use two isp iinks same time. If any configuration is there then please send me.

I have this problem too.
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Panos Kampanakis Fri, 10/23/2009 - 06:27

You can subinterface 2 ISP links. Though you will need a switch in front of them to make sure you put them in 2 different vlans, which will be for the subinterfaces.

Here is the guide that explains it http://www.cisco.com/en/US/docs/security/asa/asa80/configuration/guide/intrface.html#wp1044006

interface gigabitethernet 0/1

no shut

interface gigabitethernet 0/1.100

vlan 100

nameif isp1

security-level ...

ip address ...

no shutdown

interface gigabitethernet 0/1.101

vlan 101

nameif isp2

security-level ...

ip address ...

no shutdown

I hope it helps.

PK

shridhar76 Fri, 10/23/2009 - 09:16

Dear Friend ,

Thanks for you techhelp let me know one more thing can you tell me the how can we route the traffic through these created subinterfaces. Please send me that configuration also.

shridhar

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