[j-nsp] Full routes on MX5

Saku Ytti saku at ytti.fi
Tue Apr 26 15:44:18 EDT 2016


You have about 100 days before you'll run out of DRAM, likely less.


Anyone tried swapping 2GB to 4GB on MX80 control-plane? Obviously not
gonna be supported, but curious if it works.

On 26 April 2016 at 12:26, Eduardo Schoedler <listas at esds.com.br> wrote:
> Hi Colton,
>
> Yes, it's very high.... but it's working ok :)
> 3 full tables (~580k each) + 4x IXP route-server (~60k each) + 1
> peering with HE (81k).
>
> Indeed, convergence it's terrible... for my luck, these sessions are
> pretty stable.
>
> --
> Eduardo Schoedler
>
>
> 2016-04-26 15:46 GMT-03:00 Colton Conor <colton.conor at gmail.com>:
>> Eduardo,
>>
>> So if I am reading that right, the box is using 96 percent of its memory? It
>> looks like it has 2 Million routes, so is that 4 full BGP tables/upstream
>> providers?
>>
>> On Tue, Apr 26, 2016 at 1:17 PM, Eduardo Schoedler <listas at esds.com.br>
>> wrote:
>>>
>>> 2016-04-26 13:15 GMT-03:00 Javier Rodriguez <rodriguezsotelo at gmail.com>:
>>> > Hi,
>>> >
>>> > How much memory is left available with one full table on a MX80?
>>> > I have a problem with routes at the process installation into the FIB
>>> > (KRT)
>>> > and they remain pending for a long time. Do you know if this issue is
>>> > related to memory? How can i solve it?.
>>>
>>> Hi Javier,
>>>
>>> This router is a MX80.
>>> They also have an running logical-instance:
>>>
>>> login at rtr> show chassis routing-engine
>>> Routing Engine status:
>>>     Temperature                 45 degrees C / 113 degrees F
>>>     CPU temperature             54 degrees C / 129 degrees F
>>>     DRAM                      2048 MB (2048 MB installed)
>>>     Memory utilization          96 percent
>>>     CPU utilization:
>>>       User                       5 percent
>>>       Background                 0 percent
>>>       Kernel                    10 percent
>>>       Interrupt                  3 percent
>>>       Idle                      82 percent
>>>     Model                          RE-MX5-T
>>>     Load averages:                 1 minute   5 minute  15 minute
>>>                                        0.19       0.17       0.16
>>>
>>> login at rtr> show route summary
>>> Autonomous system number: xxxxx
>>> Router ID: x.x.x.x
>>>
>>> inet.0: 599618 destinations, 2057043 routes (591234 active, 16
>>> holddown, 133589 hidden)
>>>               Direct:     18 routes,     18 active
>>>                Local:     17 routes,     17 active
>>>                 OSPF:     39 routes,     37 active
>>>                  BGP: 2056944 routes, 591145 active
>>>               Static:     25 routes,     17 active
>>>
>>> inet6.0: 29364 destinations, 130976 routes (29363 active, 0 holddown,
>>> 290 hidden)
>>>               Direct:     20 routes,     13 active
>>>                Local:     18 routes,     18 active
>>>                OSPF3:     20 routes,     20 active
>>>                  BGP: 130916 routes,  29311 active
>>>               Static:      2 routes,      1 active
>>>
>>> login at rtr:LS-GIGA> show route summary
>>> Autonomous system number: yyyyy
>>> Router ID: y.y.y.y
>>>
>>> inet.0: 110496 destinations, 195742 routes (110496 active, 13
>>> holddown, 0 hidden)
>>> Restart Complete
>>>               Direct:      3 routes,      3 active
>>>                Local:      2 routes,      2 active
>>>                 OSPF:    208 routes,    208 active
>>>                  BGP: 195529 routes, 110283 active
>>>
>>>
>>> --
>>> Eduardo Schoedler
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  ++ytti


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