ix2015 の proxy-dns いじめるとクラッシュするような

ix2015_crashes

ix2015-sh(config)# show log
Buffer logging enabled, 65535 bytes, type cyclic
  1167 messages (6194-7360), 65479 bytes logged, 6193 messages dropped

Log Buffer (6194-7360):
  <Lost 1 messages>
  <Lost 1 messages>
18:02:20  DNS.049: CACHE is full, 1024
  <Lost 2 messages>
  <Lost 1 messages>
  <Lost 3 messages>
18:02:22  DNS.049: CACHE is full, 1023
  <Lost 4 messages>
18:02:22  DNS.049: CACHE is full, 1023
18:02:22  DNS.048: Response has not been created by CACHE: no entry
18:02:22  DNS.048: Response has not been created by CACHE: no entry
  <Lost 1 messages>
18:02:22  DNS.048: Response has not been created by CACHE: no entry
18:02:22  DNS.049: CACHE is full, 1024
18:02:22  DNS.049: CACHE is full, 1023
18:02:22  DNS.049: CACHE is full, 1023
18:02:22  DNS.048: Response has not been created by CACHE: no entry
18:02:22  DNS.048: Response has not been created by CACHE: no entry
  <Lost 302 messages>
18:02:28  DNS.048: Response has not been created by CACHE: no entry
  <Lost 2 messages>




(snip...)



ix2015-sh(config)# show proxy-dns
Proxy DNS for IPv4 enabled
  Max sessions 254, life time 90 seconds
  Query max retries 3, retransmit interval 3 seconds
  DNS server(s):
    61.207.11.153, dynamic (IPCP), FastEthernet0/0.1, priority 100
    221.113.139.137, dynamic (IPCP), FastEthernet0/0.1, priority 100
  Session list(s): 31 entry
    172.16.1.1, port 48749, id 36856
      2 servers, 1 fails, 0:00:15 uptime
    172.16.1.1, port 34516, id 32936
      2 servers, 1 fails, 0:00:06 uptime
    172.16.1.1, port 49002, id 44633
      2 servers, 0 fails, 0:00:04 uptime
    172.16.1.1, port 40037, id 26915
      2 servers, 1 fails, 0:00:04 uptime
    172.16.1.1, port 58842, id 41040
      2 servers, 1 fails, 0:00:04 uptime
    172.16.1.1, port 36974, id 60901
      2 servers, 1 fails, 0:00:03 uptime
    172.16.1.1, port 58938, id 64347
      2 servers, 1 fails, 0:00:03 uptime
    172.16.1.1, port 42384, id 17803
      2 servers, 1 fails, 0:00:03 uptime
Proxy DNS for IPv6 disabled
  Max sessions 32, life time 90 seconds
  Query max retries 4, retransmit interval 5 seconds
ix2015-sh(config)#
System uptime is  4 hours 18 minutes

CPU is MPC8270A: PVR = 0x80822014, IMMR[16:31] = 0x0a10

CPU Register Context:
R00   = 0x0000a56c  R01   = 0x00b5b6d0  R02   = 0x00968830  R03   = 0x00009774
R04   = 0x00000014  R05   = 0x00870000  R06   = 0x006d0000  R07   = 0x006d0000
R08   = 0x006ced9c  R09   = 0x02227524  R10   = 0x006ceda8  R11   = 0x0085c598
R12   = 0x00026633  R13   = 0x00000000  R14   = 0x00000000  R15   = 0xac1000fe
R16   = 0xac100101  R17   = 0x00000000  R18   = 0x00870000  R19   = 0x00860000
R20   = 0x00860000  R21   = 0x00b5b6e0  R22   = 0x00880000  R23   = 0x00008709
R24   = 0x00009058  R25   = 0x0085c598  R26   = 0x0000002b  R27   = 0x00875cdc
R28   = 0x01579178  R29   = 0x00009774  R30   = 0x0085c598  R31   = 0x00440000
CR    = 0x22b5ba44  MSR   = 0x00003030  LR    = 0x000002a0  SRR0  = 0x004429b0
SRR1  = 0x0008b032  SPRG0 = 0x03000000  SPRG1 = 0x00000000  SPRG2 = 0xfe00f1cc
SPRG3 = 0x00000001  XER   = 0x00000000  CTR   = 0x00000000  DAR   = 0x00000000
DSISR = 0x00000000  ESR   = 0x00000000  EMR   = 0xff1f0000  ECR   = 0xff1f0000

SIUMCR   = 0x4060c000  TESCR1   = 0x00004200  TESCR2   = 0x00000000
PCI_EACR = 0x00000000  PCI_EDCR = 0x00000000  PCI_ECCR = 0x00000000
SIPNR_H  = 0x40200000  SIPNR_L  = 0xa000c000  SIVEC    = 0x00000000
PDTEA    = 0x010f5c90  LDTEA    = 0x00000000

SDMR     = 0x00        PDTEM    = 0x24        LDTEM    = 0x00

IPSEC_PCI_STS        = 0x02a0        IU_PCI_STS           = 0xffff

Exception Type: machine check (watchdog) (0x00000200)
Exception Stack: PC(SRR0) = 0x004429b0, SP(R01) = 0x00b5b6d0

Stack Trace:
F00: 0x00442980  F01: 0x001795d8  F02: 0x00163448  F03: 0x0016361c
F04: 0x00562b70  F05: 0x00563114  F06: 0x00027828  F07: 0x00000000
F08: 0x00000000  F09: 0x00000000  F10: 0x00000000  F11: 0x00000000
F12: 0x00000000  F13: 0x00000000  F14: 0x00000000  F15: 0x00000000


reboot...


NEC Bootstrap Software
Copyright (c) 2001-2008 NEC Infrontia All Rights Reserved.

%BOOT-INFO: No boot records found, attempting flash load.
%BOOT-INFO: Trying flash load, exec-image [ix2010-ms-8.3.48.ldc].
Loading: ######################################################## [OK]


Starting at 0x20000

Loading configuration file: startup-configuration.
Configuring router subsystems (before IDB proc): done.
Constructing IDB(Interface Database): done.
Configuring router subsystems (after IDB proc): done.
Initializing router subsystems: done.
Starting router subsystems: done.

All router subsystems coming up.









ix2015-sh(config)# show version
NEC Portable Internetwork Core Operating System Software
IX Series IX2010 (magellan-sec) Software, Version 8.3.48, RELEASE SOFTWARE
Compiled May 10-Tue-2011 15:33:32 JST #1 by sw-build, coregen-8.3(48)

ROM: System Bootstrap, Version 22.34
System Diagnostic, Version 20.31

System uptime is 18 minutes
System woke up by reload, caused by crash
System started at Oct 13-Thu-2011 18:15:39 JST
System image file is "ix2010-ms-8.3.48.ldc"

Processor board ID <2>
IX2015 (MPC8270A) processor with 65536K bytes of memory.
3 FastEthernet/IEEE 802.3 interfaces
1 ISDN Basic Rate interface
512K bytes of non-volatile configuration memory.
8192K bytes of processor board System flash (Read/Write)

Current configuration is based on "startup-configuration"

This product includes software developed by the OpenSSL Project
for use in the OpenSSL Toolkit (http://www.openssl.org/).