[j-nsp] Full routes on MX5

[Matthew Crocker]

I’m basically the same:   I have MX480s with 64G REs on order

Convergence time is horrific (10 minutes) but luckily stable sessions keep that from happening often.

MX80-1SUMMER> show bgp summary 
Groups: 10 Peers: 15 Down peers: 2
Table          Tot Paths  Act Paths Suppressed    History Damp State    Pending
inet.0               
                 1766527     600191          0          0          0          0
inet6.0              
                   26952      13477          0          0          0          0


MX80-1SUMMER> show chassis routing-engine 
Routing Engine status:
    Temperature                 39 degrees C / 102 degrees F
    CPU temperature             51 degrees C / 123 degrees F
    DRAM                      2048 MB (2048 MB installed)
    Memory utilization          89 percent
    CPU utilization:
      User                       2 percent
      Background                 5 percent
      Kernel                    13 percent
      Interrupt                  1 percent
      Idle                      79 percent
    Model                          RE-MX80
    Serial ID                      S/N ABBM2981
    Start time                     2015-04-08 17:41:16 UTC
    Uptime                         384 days, 19 hours, 7 minutes, 46 seconds
    Last reboot reason             Router rebooted after a normal shutdown.
    Load averages:                 1 minute   5 minute  15 minute
                                       0.12       0.24       0.20


MX80-1SUMMER> show route summary 
Autonomous system number:
Router ID: 

inet.0: 600648 destinations, 1766666 routes (600638 active, 10 holddown, 0 hidden)
Restart Complete
              Direct:      7 routes,      7 active
               Local:      6 routes,      6 active
                OSPF:    506 routes,    502 active
                 BGP: 1766144 routes, 600120 active
              Static:      1 routes,      1 active
                 LDP:      2 routes,      2 active

show system memory 
System memory usage distribution:
       Total memory: 2072576 Kbytes (100%)
    Reserved memory:   36896 Kbytes (  1%)
       Wired memory:  294748 Kbytes ( 14%)
      Active memory: 1390992 Kbytes ( 67%)
    Inactive memory:  122924 Kbytes (  5%)
       Cache memory:  143348 Kbytes (  6%)
        Free memory:   82920 Kbytes (  4%)



—

Matthew Crocker
President - Crocker Communications, Inc.
Managing Partner - Crocker Telecommunications, LLC
E: matthew at corp.crocker.com
E: matthew at crocker.com


> On Apr 26, 2016, at 3:26 PM, 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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