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Webcast-Catalyst9k
New Member

NAT with "no IP proxy-arp"

Hi all,

we are using NAT at out customer premises.

And want to enable ?no ip proxy-arp? on every interface, but will it be ok while using NAT, I can disable ?ip proxy-arp?

Or will it create problems.

Please let me know.

Regards,

Khan.

3 REPLIES
New Member

Re: NAT with "no IP proxy-arp"

Please help me out.

Silver

Re: NAT with "no IP proxy-arp"

Hi,

no problems about that.

for proxy-arp please take a look:

http://www.cisco.com/en/US/tech/tk648/tk361/technologies_tech_note09186a0080094adb.shtml

HTH

Andrea

New Member

Re: NAT with "no IP proxy-arp"

It's a good idea to disable proxy-arp when not being used.

I have seen, on multiple occassions, where proxy-arp has created a scenario that looked like arp poisoning.

I think that 'no ip proxy-arp' should really be a part of the default configuration, but what do I know.

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