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Beginner

hirschman with cisco

Hi Frineds,

I am having issue with integration between Cisco and Hirschman switches. there is different pattern of cisco mrp domain-id which is  FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFF and in Hirschman 255.255.255.255.255.255.255.255.255.255.255.255.255.255.255.255

 

so i have multiple rings and every ring should have same domain-id. but with these different pattern how i can chose the same domain-id on both switches.

 

Regards

Shani

7 REPLIES 7
VIP Advisor

Re: hirschman with cisco

Cisco follows most of the time IEEE / RFC standards. if another vendor not compatible, then this will be limitation of each side products, and they are not compatible with your requirement.

 

I believe you have cisco IE switches?

 

BB
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Beginner

Re: hirschman with cisco

Hi balaji

Thanks for your reply and you are right i have IE5000. If these two are not compatible than i should have at least cisco document or a reply from them. Thats my problem i dont have to prove.

Thanks regard

Shani

VIP Mentor

Re: hirschman with cisco

Hello,

 

I don't think you can combine both MRP domains. What you can do is combine the MRP (Hirschmann) ring with an RSTP (Cisco) ring in MRP compatibility mode, as described in chapter 4.7 (page 68) of the attached user guide.

 

 

Beginner

Re: hirschman with cisco

Hi George,

I have already tried that what you are talking about. There is also limitation that cisco use rapid pvst and hirschman use simple rstp 1w standard so it work for only 1 vlan. Rest of vlan dont take part with hirschman rstp.

Is there any other solution or a cisco document to prove these two switches are not compatible with my requirements?

Thanks gor reply

Regards

Shani

Hall of Fame Master

Re: hirschman with cisco

Shani

 

I am not familiar with the hirschman switches so my advice would be fairly limited. My first thought was that perhaps it was just a difference in how to represent a field that is actually binary data. 255 is the representation of 8 binary ones and FF is the hexadecimal representation of the same 8 binary ones. Since there are 16 occurrences of 255 then the hex representation of the same data would have 32 F characters. Unfortunately your representation of the hirschman value has only 31 F characters. So it does seem that these switches are not compatible. Unfortunately I do not know of any document that states this.

 

HTH

 

Rick

Beginner

Re: hirschman with cisco

Hi Richard,

Finally i am able to blk one port in 2 mrp rings but now i am facing port flapping issue in the network even my one port is blocked. PLC having 3 NIC in same subnet with every NIC configured with gateway IP of vlan.

Can you tell me whats creating issue?

 

Thanks  

Hall of Fame Master

Re: hirschman with cisco

Shani

 

Unfortunately I do not have enough information to be able to give good advice on this. What did you do to get it to work? Perhaps that might provide some insight.

 

In many discussions in this community we would be asking for config information. For these switches I am not sure that we would understand it, but it might be worth a try.

 

Are there any log messages that might shed some light on the issue?

 

HTH

 

Rick

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