[afnog] Cisco AS5300 issues

[Kondwani Masiye]

Hie list,

I am trying to configure a Cisco AS5300 as a remote access server for 
dial-up users. I have been through some documentation on the Cisco 
website and I think I have the box configured correctly. But I am having 
some problems with the box.

Firstly, it sometimes crashes and reboots.This happens seemingly 
randomly, but there might be a pattern that I am not aware of. It gives 
out the following crash dump, disconnects all active calls, then reboots:

Error: primary data cache, fields: data, SysAD
virtual addr 0x62DB7805, physical addr(21:3) 0x1B7800, vAddr(14:12) 0x3000
virtual address corresponds to main:mainheap, cache word 0

             Low Data   High Data  Par    Low Data   High Data  Par
L1 Data  : 0:0xFD0110DF 0xAB1034CD 0xFB 1:0xFFFFFFFE 0x00000000 0x10
           2:0x61B08150 0x6067F570 0xC5 3:0x62DC7830 0x62DB77C0 0xC8

             Low Data   High Data  Par    Low Data   High Data  Par
DRAM Data: 0:0xFD0110DF 0xAB1034CD 0xFB 1:0xFFFFFFFE 0x00000000 0x10
           2:0x61B08150 0x6067F570 0xC5 3:0x62DC7830 0x62DB77C0 0xC8

 14:33:04 CAT Tue May 30 2006: Interrupt exception, CPU signal 20, PC = 
0x603DB044

--------------------------------------------------------------------
   Possible software fault. Upon reccurence,  please collect
   crashinfo, "show tech" and contact Cisco Technical Support.
--------------------------------------------------------------------

-Traceback= 603E355C 603DBCB0
$0 : 00000000, AT : 62460000, v0 : 62DB77DC, v1 : 00000000
a0 : 6249E900, a1 : 62DB7804, a2 : 00000000, a3 : 80000018
t0 : 62DB7484, t1 : 3400FF01, t2 : 34008700, t3 : FFFF00FF
t4 : 0000002F, t5 : 3E800104, t6 : 00000400, t7 : 6390DC30
s0 : 62DB77AC, s1 : 6249E900, s2 : 00000001, s3 : 624A0910
s4 : 6249E900, s5 : 626833C0, s6 : 62270000, s7 : 62580000
t8 : 603F9080, t9 : 00000000, k0 : 30408401, k1 : 30410000
gp : 62464A80, sp : 62683388, s8 : 62270000, ra : 603DBCB0
EPC  : 603E355C, ErrorEPC : 603DB044, SREG     : 3400FF05
MDLO : 9812BC83, MDHI     : E2A36F32, BadVaddr : 00000000
Cause 00000000 (Code 0x0): Interrupt exception
Free space check for bootflash:crashinfo_20060530-123304 failed (3460/32768)
Free space check for flash:crashinfo_20060530-123304 failed (9520/32768)


*** System received a Cache Parity Exception ***
signal= 0x14, code= 0xa41b7803, context= 0x6258ea04
PC = 0x603fc8dc, Cause = 0x4820, Status Reg = 0x34018002


Secondly, the box has two MICA cards with 120 modems each, making a 
total of 240 modems. It also has 8 E1 ports. With 6 E1 lines connected 
to it, it does not seem to be able to handle more than 120 calls at a 
time. I have MRTG monitoring the number of calls vs number of free 
modems and it shows that the number of calls does not go over 120 (same 
thing for number of PPP sessions active).

I have attached a configuration for the box and I am hoping that 
somebody can help to identify any misconfiguration the box might have.

Any pointers and assistance are very welcome.

Kind regards,

Kondie Masiye

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