[j-nsp] Suggestions on management of dual-RE devices

[Nilesh Khambal]

You could also configure re0 and re1 with different host names by adding -re0 or -re1 to the hostname in the groups re0 and re1 respectively. This will give a visual confirmation when someone logs into the RE with master-only address. 

Thanks,
Nilesh. 

Sent from my iPhone

> On Nov 24, 2015, at 2:41 PM, Chris Kawchuk <juniperdude at gmail.com> wrote:
> 
> Relevant config snippet/stanzas:
> 
> ## Last commit: 2015-11-24 16:03:02 EST by me
> version 13.3R6.5;
> groups {
>    re0 {
>        interfaces {
>            fxp0 {
>                unit 0 {
>                    family inet {
>                        address 172.xx.xx.1/24 {
>                            master-only;
>                        }
>                        address 172.xx.xx.2/24;
>                    }
>                }
>            }
>        }
>    }
>    re1 {
>        interfaces {
>            fxp0 {
>                unit 0 {
>                    family inet {
>                        address 172.xx.xx.1/24 {
>                            master-only;
>                        }               
>                        address 172.xx.xx.3/24;
>                    }                   
>                }                       
>            }                           
>        }                               
>    }                                   
> }                                       
> apply-groups [ re0 re1 ];
> ...
> ...
> ...
> 
> note the 'master-only" directive. You then SNMP/SSH/etc... to the proverbial '.1' address, which always goes to the master RE; whichever one is active.
> 
> Hope that helps.!
> 
> - Ck.
> 
> 
> 
> 
>> On 25/11/2015, at 5:07 AM, Mike Williams <mike.williams at comodo.com> wrote:
>> 
>> Hi all,
>> 
>> So we just got our first Juniper devices with dual-REs (if you exclude virtual 
>> chassis').
>> Before I get into actually configuring them, I'm wondering how others handle 
>> management, as I'm a touch confused.
>> 
>> Normally we just SSH/snmp to the loopback address, optionally jumping off from 
>> a device on the same OoB network if routing is down (yes, we should configure 
>> a backup router).
>> 
>> Juniper document providing each RE with it's own loopback address.
>> If you do that, you'd have to detect if what you're connected to is master or 
>> backup, right?
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