Hi all, I posted this problem before, but didn't get any replies. Here it is
again with some additional info; hopefully one of you can help. :) I've
searched CCO without any luck either.
I'm seeing this error message on our Catalyst 8510CSR switch-router:
00:15:01: %AAL5-3-NOBUFFER: No reassembly buffers to receive pkt , vpi 0,
vci 36
Show proc cpu shows cpu usage around 75-85% continually. There isn't nearly
enough of traffic on the network to generate this, and I confirmed by
checking the loads on all the interfaces (ALL are at 1/255 except
Controller0). So I assume its something isolated to this router.
Show proc cpu (possible interesting items shown):
43 0 1 0 0.00% 0.00% 0.00% 0 IMAPAM Onesec
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
44 0 1 0 0.00% 0.00% 0.00% 0 IMAPAM Config Ma
45 0 1 0 0.00% 0.00% 0.00% 0 IMAPAM Mailbox M
46 308 231 1333 0.00% 0.00% 0.00% 0 CDP Protocol
47 707880 79294 8927 29.47% 27.66% 26.18% 0 IP Input
I'm thinking this is an ATM problem of some kind, but we don't run any ATM
nor have any ATM interfaces in the 8510. While looking through the
interfaces, i saw this:
Controller0 is up, line protocol is up
Hardware is ATM Swi/Proc
MTU 4470 bytes, sub MTU 4470, BW 155520 Kbit, DLY 0 usec,
reliability 147/255, txload 1/255, rxload 5/255
Encapsulation ATM, loopback not set
Keepalive not supported
Encapsulation(s):
8192 maximum active VCs, 0 current VCCs
VC idle disconnect time: 300 seconds
Signalling vc = 35, vpi = 128, vci = 37
UNI Version = 3.0, Link Side = user
Last input 00:00:00, output 00:00:00, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue :0/40 (size/max)
5 minute input rate 3577000 bits/sec, 4522 packets/sec
5 minute output rate 570000 bits/sec, 1333 packets/sec
4753676 packets input, 469607611 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
18427 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
1384921 packets output, 73400813 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
I imagine the reliabiltiy indicated in this output can't be good! Also, why
is there any load at all when we aren't running ATM? Anyway, is this the
source of the problem or not? If not, what could it be? Any help is greatly
appreciated. Thanks!
Thanks,
- Sean
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=35571&t=35571
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