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From Nik Martin <nik.mar...@nfinausa.com>
Subject Re: ICMP traffic will not traverse
Date Sat, 01 Dec 2012 18:29:02 GMT
On 11/26/2012 11:01 AM, Michael Hart-Jones wrote:
> The Security policies in place show 0.0.0.0/0 allowing ports 0-65535 
> on UDP and TCP. I have tried to do the same thing with ICMP but with 
> no luck.
>
Make sure you also create a rule for cidr 0.0.0.0/0 on protocol ICMP, 
with type 8 (echo) and code 0
THEN make sure the vm you are pinging is not also dropping pings via 
some firewall rule.

> ---
> Michael Hart-Jones BEng 		
> E-Mail: mhartjones@accessit.co.uk <mailto:mhartjones@accessit.co.uk>
> Tel: (01227) 750555
> Fax: (01227) 750070
>
> On 26/11/12 16:57, Boylan, James wrote:
>>
>> This is a normal behavior for VMs within an isolated basic network. 
>> They don’t pass any traffic except port 22 for SSH and that only 
>> works if the egress rules are in place.
>>
>> --James
>>
>> *From:*Michael Hart-Jones [mailto:mhartjones@accessit.co.uk]
>> *Sent:* Monday, November 26, 2012 10:50 AM
>> *To:* cloudstack-users@incubator.apache.org
>> *Subject:* ICMP traffic will not traverse
>>
>> I am having an issue with my servers. The setup is as follows
>>
>> _Management Server, Host1 and Host2_
>> Centos 6.2
>> Cloudstack 3.0.2
>>
>> The server was setup by a collegue who has left since but I have 
>> noticed that we do not have the ability to send ICMP traffic to our 
>> virtualised hosts, prime example being ping.
>> I can see he has setup basic networking, and I do not have the time 
>> to try and change this over. I have tried to setup the security 
>> policies to allow it but I cannot get any response. Has anyone got 
>> any ideas where I should start looking?
>>
>> ---
>>
>> Michael Hart-Jones BEng
>>
>> 	
>>
>> 	
>>
>> E-Mail: mhartjones@accessit.co.uk <mailto:mhartjones@accessit.co.uk>
>>
>> 	
>>
>> Tel: (01227) 750555
>>
>> 	
>>
>> Fax: (01227) 750070
>>
>> 	
>>
>>
>>
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>
>
>
> ------------------------------------------------------------------------
> *************************************************************************************************
> Disclaimer: This message may only be read in context and with common 
> sense.
> If concerned by it or in doubt, please destroy it. If this message is 
> not meant for you,
> we have made a mistake and would appreciate your help. We promise that 
> we mean
> no offence and will endeavour to rectify our mistake.
>
> Our full contact details can be found on www.accessit.co.uk
>
> Company number: 3117204
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