Strange behavior on the Juniper MX240

Thu May 5 15:22:55 UTC 2022

Ok got it saku we will got with the direct upgrade of it

On Wed, May 4, 2022, 22:34 Saku Ytti <saku at ytti.fi> wrote:

> Almost always direct upgrade works. If you ask TAC, they will likely
> suggest a formal process and you'll be doing many upgrades, which
> itself isn't actually something that is guaranteed to work (like in
> WRL9 case, but that is vmhost RE, not yours).
>
> And like Jordan said, you are out of resources but can extend them
> with the command given, which should give you more run rate. You may
> want to look in more detail how long you can keep running DPCE until
> you're really out.
>
>
> On Thu, 5 May 2022 at 06:08, Nehul Patel <nehul.patel at gmail.com> wrote:
> >
> > Ok, thank you all for the feedback we are going to start with the Junos
> OS upgrade first on it but have to open the ticket with JTAC since
> currently on the juniper support website they have the Junos 15.1 is
> available so not sure we can directly jump from 10.4 to 15.1 maybe we have
> to do step by step upgrade on it. Any other suggestions will be helpful as
> well
> >
> > By the way, the uptime on the Juniper MX chassis was 1589 Days on it.
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > On Wed, May 4, 2022 at 7:11 PM Jordan <jnh at vt11.net> wrote:
> >>
> >> Your line cards (not RE's) are running out of route-storage memory.
> >> As a short-term mitigation, you could try borrowing from segment 1,
> >> normally dedicated to filters,
> >>
> >> set chassis memory-enhanced route
> >>
> >> but this option may not exist in the version of JunOS you're
> >> running, which as already mentioned is very old.
> >>
> >> If the command is accepted, and it lets you commit, you'll then
> >> need to restart each of the FPC's, one at a time, by slot number,
> >> which will take each out of service for a few minutes, so you
> >> probably want to wait until a scheduled maintenance period, and
> >> start with less-important FPC slots first:
> >>
> >> request chassis fpc restart slot X
> >>
> >>
> >>
> >> On Wed, May 04, 2022 at 02:34:45PM -0700, Nehul Patel wrote:
> >> > Thank you Saku and the warren  Here is the requested output
> >> >
> >> >
> >> > show route summary
> >> >
> >> > inet.0: 879635 destinations, 879649 routes (879634 active, 0
> holddown, 1
> >> > hidden)
> >> >               Direct:      9 routes,      8 active
> >> >                Local:      8 routes,      8 active
> >> >                 OSPF:    928 routes,    925 active
> >> >                  BGP: 878686 routes, 878678 active
> >> >               Static:      2 routes,      2 active
> >> >            Aggregate:     15 routes,     12 active
> >> >
> >> > inet.3: 718 destinations, 718 routes (718 active, 0 holddown, 0
> hidden)
> >> >                  LDP:    718 routes,    718 active
> >> >
> >> > Test_VRF.inet.0: 1 destinations, 1 routes (1 active, 0 holddown, 0
> hidden)
> >> >                Local:      1 routes,      1 active
> >> >
> >> > mpls.0: 390 destinations, 390 routes (390 active, 0 holddown, 0
> hidden)
> >> >                 MPLS:      3 routes,      3 active
> >> >                  LDP:    387 routes,    387 active
> >> >
> >> > inet6.0: 143065 destinations, 286099 routes (143065 active, 0
> holddown, 0
> >> > hidden)
> >> >               Direct:     13 routes,      9 active
> >> >                Local:     10 routes,     10 active
> >> >                OSPF3:     16 routes,     15 active
> >> >                  BGP: 286060 routes, 143030 active
> >> >               Static:      1 routes,      1 active
> >> >
> >> > show chassis fpc
> >> >                      Temp  CPU Utilization (%)   Memory
> Utilization (%)
> >> > Slot State            (C)  Total  Interrupt      DRAM (MB) Heap
>  Buffer
> >> >   0  Online            31     11          0       1024       37
>    29
> >> >   1  Online            31     11          0       1024       45
>    29
> >> >   2  Online            30      4          0       1024       36
>    29
> >> >
> >> > request pfe execute target fpc0 command "show jtree 0 memory
> extensive"
> >> > SENT: Ukern command: show jtree 0 memory extensive
> >> > GOT:
> >> > GOT: Jtree memory segment 0 (Context: 0x44817bb0)
> >> > GOT: -------------------------------------------
> >> > GOT: Memory Statistics:
> >> > GOT:    16777216 bytes total
> >> > GOT:    16715144 bytes used
> >> > GOT:       56880 bytes available (7168 bytes from free pages)
> >> > GOT:        3024 bytes wasted
> >> > GOT:        2168 bytes unusable
> >> > GOT:       32768 pages total
> >> > GOT:       32519 pages used (2568 pages used in page alloc)
> >> > GOT:         235 pages partially used
> >> > GOT:          14 pages free (max contiguous = 6)
> >> > GOT:
> >> > GOT:  Partially Filled Pages (In bytes):-
> >> > GOT:       Unit    Avail Overhead
> >> > GOT:          8    26256        0
> >> > GOT:         16    14320        0
> >> > GOT:         24     8352     2040
> >> > GOT:         32      352        0
> >> > GOT:         48      432      128
> >> > GOT:
> >> > GOT:  Free Page Lists(Pg Size = 512 bytes):-
> >> > GOT:            Page Bucket Avail(Bytes)
> >> > GOT:                    1-1     2560
> >> > GOT:                    3-3     1536
> >> > GOT:                    6-6     3072
> >> > GOT:
> >> > GOT:  Fragmentation Index = 0.946, (largest free = 3072)
> >> > GOT:  Counters:
> >> > GOT:     2643777 allocs (0 failed)
> >> > GOT:           0 releases(partial 0)
> >> > GOT:     1095040 frees
> >> > GOT:           0 holds
> >> > GOT:           7 pending frees(pending bytes 56)
> >> > GOT:           0 pending forced
> >> > GOT:           0 times free blocked
> >> > GOT:           0 sync writes
> >> > GOT:  Error Counters:-
> >> > GOT:           0 bad params
> >> > GOT:           0 failed frees
> >> > GOT:           0 bad cookie
> >> > GOT:
> >> > GOT: Jtree memory segment 1 (Context: 0x448997f0)
> >> > GOT: -------------------------------------------
> >> > GOT: Memory Statistics:
> >> > GOT:    16777216 bytes total
> >> > GOT:     4589552 bytes used
> >> > GOT:    12185384 bytes available (12183552 bytes from free pages)
> >> > GOT:        2248 bytes wasted
> >> > GOT:          32 bytes unusable
> >> > GOT:       32768 pages total
> >> > GOT:        8967 pages used (8967 pages used in page alloc)
> >> > GOT:           5 pages partially used
> >> > GOT:       23796 pages free (max contiguous = 23793)
> >> > GOT:
> >> > GOT:  Partially Filled Pages (In bytes):-
> >> > GOT:       Unit    Avail Overhead
> >> > GOT:          8     1416        0
> >> > GOT:         16       80        0
> >> > GOT:         48      336       32
> >> >
> >> >
> >> > request pfe execute target fpc1 command "show jtree 0 memory
> extensive"
> >> > SENT: Ukern command: show jtree 0 memory extensive
> >> > GOT:
> >> > GOT: Jtree memory segment 0 (Context: 0x447cc698)
> >> > GOT: -------------------------------------------
> >> > GOT: Memory Statistics:
> >> > GOT:    16777216 bytes total
> >> > GOT:    16715840 bytes used
> >> > GOT:       56184 bytes available (8192 bytes from free pages)
> >> > GOT:        3024 bytes wasted
> >> > GOT:        2168 bytes unusable
> >> > GOT:       32768 pages total
> >> > GOT:       32533 pages used (2568 pages used in page alloc)
> >> > GOT:         219 pages partially used
> >> > GOT:          16 pages free (max contiguous = 5)
> >> > GOT:
> >> > GOT:  Partially Filled Pages (In bytes):-
> >> > GOT:       Unit    Avail Overhead
> >> > GOT:          8    25544        0
> >> > GOT:         16    13312        0
> >> > GOT:         24     8352     2040
> >> > GOT:         32      352        0
> >> > GOT:         48      432      128
> >> > GOT:
> >> > GOT:  Free Page Lists(Pg Size = 512 bytes):-
> >> > GOT:            Page Bucket Avail(Bytes)
> >> > GOT:                    1-1     2048
> >> > GOT:                    2-2     1024
> >> > GOT:                    5-5     5120
> >> > GOT:
> >> > GOT:  Fragmentation Index = 0.954, (largest free = 2560)
> >> > GOT:  Counters:
> >> > GOT:     2645725 allocs (0 failed)
> >> > GOT:           2 releases(partial 0)
> >> > GOT:     1096891 frees
> >> > GOT:           0 holds
> >> > GOT:           0 pending frees(pending bytes 0)
> >> > GOT:           0 pending forced
> >> > GOT:           0 times free blocked
> >> > GOT:           0 sync writes
> >> > GOT:  Error Counters:-
> >> > GOT:           0 bad params
> >> > GOT:           0 failed frees
> >> > GOT:           0 bad cookie
> >> > GOT:
> >> > GOT: Jtree memory segment 1 (Context: 0x4484e2d8)
> >> > GOT: -------------------------------------------
> >> > GOT: Memory Statistics:
> >> > GOT:    16777216 bytes total
> >> > GOT:     4589504 bytes used
> >> > GOT:    12185432 bytes available (12184576 bytes from free pages)
> >> > GOT:        2248 bytes wasted
> >> > GOT:          32 bytes unusable
> >> > GOT:       32768 pages total
> >> > GOT:        8967 pages used (8967 pages used in page alloc)
> >> > GOT:           3 pages partially used
> >> > GOT:       23798 pages free (max contiguous = 23798)
> >> > GOT:
> >> > GOT:  Partially Filled Pages (In bytes):-
> >> > GOT:       Unit    Avail Overhead
> >> > GOT:          8      424        0
> >> > GOT:         16       96        0
> >> > GOT:         48      336       32
> >> > GOT:
> >> > GOT:  Free Page Lists(Pg Size = 512 bytes):-
> >> > GOT:            Page Bucket Avail(Bytes)
> >> > GOT:               27-32768 12184576
> >> > GOT:
> >> > GOT:  Fragmentation Index = 0.000, (largest free = 12184576)
> >> > GOT:  Counters:
> >> > GOT:          45 allocs (0 failed)
> >> > GOT:           0 releases(partial 0)
> >> > GOT:           0 frees
> >> > GOT:           0 holds
> >>
> >> --
> >> Jordan.
>
>
>
> --
>   ++ytti
>
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