> Что именно грузит рутер?
> Покажите в момент нагрузки
> sh proc cpu sort 1 | exc 0.00
> sh int fa0/какой?
> sh ip traffic | i fra cisco-n-a-c#sh proc cpu sort 1 | exc 0.00
CPU utilization for five seconds: 99%/85%; one minute: 99%; five minutes: 98%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
180 103731896 82248934 1261 2.65% 2.69% 2.79% 0 Crypto PAS Proc
230 532 246 2162 0.16% 0.11% 0.03% 322 Virtual Exec
5 24379300 1850105 13177 0.08% 0.08% 0.08% 0 Check heaps
36 678976 7154572 94 0.08% 0.04% 0.02% 0 Net Background
132 1493188 162959551 9 0.08% 0.02% 0.02% 0 RBSCP Background
cisco-n-a-c#sh int fa0/0
FastEthernet0/0 is up, line protocol is up
Hardware is MV96340 Ethernet, address is 001b.2aa3.8fe8 (bia 001b.2aa3.8fe8)
Description: --- WAN ---
Internet address is 89.xx.x.xxx/27
MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
reliability 255/255, txload 8/255, rxload 8/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full-duplex, 100Mb/s, 100BaseTX/FX
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:00, output 00:00:00, output hang never
Last clearing of "show interface" counters 4d22h
Input queue: 0/75/1347/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 3382000 bits/sec, 1600 packets/sec
5 minute output rate 3509000 bits/sec, 1650 packets/sec
254601591 packets input, 3056519813 bytes
Received 2231803 broadcasts, 0 runts, 0 giants, 411 throttles
5455 input errors, 0 CRC, 0 frame, 0 overrun, 5455 ignored
0 watchdog
0 input packets with dribble condition detected
258680351 packets output, 4124462648 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
25018 unknown protocol drops
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped out
cisco-n-a-c#sh int fa0/1
FastEthernet0/1 is up, line protocol is up
Hardware is MV96340 Ethernet, address is 001b.2aa3.8fe9 (bia 001b.2aa3.8fe9)
Description: --- LAN ---
Internet address is 192.168.3.254/24
MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
reliability 210/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full-duplex, 100Mb/s, 100BaseTX/FX
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:00, output 00:00:00, output hang never
Last clearing of "show interface" counters 4d22h
Input queue: 26/75/319756/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 760000 bits/sec, 449 packets/sec
5 minute output rate 644000 bits/sec, 389 packets/sec
65303920 packets input, 237810178 bytes
Received 1220349 broadcasts, 0 runts, 0 giants, 107519 throttles
4972467 input errors, 0 CRC, 0 frame, 0 overrun, 4972467 ignored
0 watchdog
0 input packets with dribble condition detected
57703321 packets output, 3485172364 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
15 unknown protocol drops
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped out
cisco-n-a-c#sh ip traffic | i fra
99147 fragmented, 218131 fragments, 213 couldn't fragment
Вот на момент выполения всех этих команд загрузка процессора в течении последнего часа была 99%.