[j-nsp] Juniper M20 memory problem

[Josef Buchsteiner]

Nicolaj,

please post

show version
show system virtual-memory

thanks
Josef

Saturday, June 9, 2007, 8:16:01 PM, you wrote:

NK>    
NK>    
NK> Hello list,
NK>  
NK>  today I found the following messages in my /var/log/messages:
NK>  
NK>  Jun  9 19:59:53  re0 /kernel: Nexthop index allocation failed: regular
NK>  index space exhausted
NK>  
NK>  That messages occures several times. The hardware is a Juniper M20 with
NK>  SSB-E and standard FPC. ge-0/0/0 and ge-1/0/0 are members of an
NK>  aggregated ethernet interface.
NK>  The problem is, that the router cannot learn new ARP entries anymore.
NK>  Here is some output from JunOS:
NK>  
NK>  nico at re0> show chassis ssb
NK>  SSB status:
NK>  Slot 0 information:
NK>     State                                 Backup
NK>  Slot 1 information:
NK>     State                                 Master
NK>     Temperature                        31 degrees C / 87 degrees F
NK>     CPU utilization                    18 percent
NK>     Interrupt utilization               2 percent
NK>     Heap utilization                   76 percent
NK>     Buffer utilization                 63 percent
NK>     Total CPU DRAM                     64 MB
NK>     Internet Processor II                 Version 1, Foundry IBM, Part
NK>  number 9
NK>     Start time:                           2007-04-18 02:34:09 CEST
NK>     Uptime:                              52 days, 17 hours, 35 minutes,
NK>  18 secons
NK>  
NK>  
NK>  nico at re0> show route forwarding-table summary
NK>  Routing table: inet
NK>  Internet:
NK>            user:         216958 routes
NK>            perm:          4 routes
NK>            intf:         246 routes
NK>            dest:         7568 routes
NK>            ifdn:          1 routes
NK>            iddn:          3 routes
NK>  
NK>  (inet6 etc.. is empty, IPv4 only)
NK>  
NK>  nico at re0> start shell pfe network ssb
NK>  
NK>  
NK>  SSB platform (200/266Mhz PPC 603e processor, 64MB memory, 256KB flash)
NK>  
NK>  SSB1(re0 vty)# show nhdb zones
NK>  Chip  Start   Size   Rsvd   Used/Hi Water/Total  Size  Name
NK>  ----  -----  -----  -----  --------------------  ----  ----
NK>      0  20000  01000  00000               0/0/512     8  Multicast RTP
NK>      0  21000  02400  00000              0/0/9216     1  Multicast Lists
NK>      0  23400  04400  00006       7202/8106/17408     1  Next-Hop Entries
NK>      0  27800  18800  0004b     28928/32532/50176     2  L2 Descriptors
NK>      0  40400  001ff  00000                3/3/63     8  L2 Programs
NK>      1  20000  01000  00000               0/0/512     8  Multicast RTP
NK>      1  21000  02400  00000              0/0/9216     1  Multicast Lists
NK>      1  23400  04400  00006          0/8106/17408     1  Next-Hop Entries
NK>      1  27800  18800  0004b       120/32532/50176     2  L2 Descriptors
NK>      1  40400  001ff  00000                2/3/63     8  L2 Programs
NK>  
NK>  
NK>  nico at re0> start shell pfe network fpc0
NK>  
NK>  
NK>  FPC platform (PPC 603e processor, 8MB memory, 256KB flash)
NK>  
NK>  FPC0(vty)# show memory
NK>  ID      Base   Total(b)    Free(b)    Used(b)   %   Name
NK>  --  --------  ---------  ---------  ---------  ---  -----------
NK>    0    39fa08    2491896    2118084     373812   15  Kernel
NK>    1  90600000    2097152    1773480     323672   15  Uncached
NK>  
NK>  nico at re0> start shell pfe network fpc1
NK>  
NK>  
NK>  FPC platform (PPC 603e processor, 8MB memory, 256KB flash)
NK>  
NK>  FPC1(vty)# show memory
NK>  ID      Base   Total(b)    Free(b)    Used(b)   %   Name
NK>  --  --------  ---------  ---------  ---------  ---  -----------
NK>    0    39fa08    2491896    2119520     372376   14  Kernel
NK>    1  90600000    2097152    1783180     313972   14  Uncached
NK>  
NK>  nico at re0> show arp no-resolve | count
NK>  Count: 7205 lines
NK>  
NK>  
NK>  I really *can't* see any memory problems here, not at the SSB-E and not
NK>  at the FPCs. Any hints?
NK>  
NK>  Thanks in advance!
NK>  
NK>  Regards,
NK>  Nicolaj Kamensek
NK>  
NK>  
NK>  --
NK>  Accelerated IT Services GmbH
NK>  Schubertstrasse 10                        D-67251 Freinsheim
NK>  nk at accelerated.de                         http://www.accelerated.de/
NK>  Telefon: +49 6232 - 672568                Telefax: +49 6353 - 989039
NK>  HRB: 60665 - Amtsgericht Ludwigshafen     UstID: DE253684415
NK>  Geschäftsführende Gesellschafter:         Nicolaj Kamensek & Ole Krieger
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NK>   
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