Hello,
I have Cisco 3845 on my network. We are VOIP company. Currently we have about 200 calls using G711 codec but CPU is about 50 -70%. Is that normal?
Please check the information below. Any help will be appreciated.
3845#sh int | in packets/sec
5 minute input rate 14538000 bits/sec, 14062 packets/sec
5 minute output rate 16163000 bits/sec, 9421 packets/sec
5 minute input rate 13022000 bits/sec, 9430 packets/sec
5 minute output rate 18369000 bits/sec, 13252 packets/sec
3845#sh process cpu sorted | ex 00%
CPU utilization for five seconds: 73%/36%; one minute: 57%; five minutes: 60%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
377 398612984 170242888 2341 19.27% 9.84% 11.14% 0 CCSIP_SPI_CONTRO
104 31521528 34095094 924 3.35% 1.15% 1.39% 0 AFW_application_
365 88681596 196200936 451 3.11% 3.11% 3.15% 0 VOIP_RTCP
147 92482720 267708647 345 3.11% 2.95% 2.98% 0 IP Input
29 45171516 58959597 766 1.91% 1.37% 1.49% 0 AFW_application_
65 107234936 8617109 12444 1.19% 1.16% 1.17% 0 Per-Second Jobs
363 11853212 21519839 550 0.71% 0.28% 0.32% 0 CC-API_VCM
378 8574140 20384057 420 0.47% 0.20% 0.23% 0 CCSIP_DNS
118 1105988 1088496436 1 0.31% 0.37% 0.37% 0 Ethernet Msec Ti
312 68 162 419 0.15% 0.05% 0.01% 707 Virtual Exec
2 120020 1722881 69 0.07% 0.02% 0.01% 0 Load Meter
143 488760 266187951 1 0.07% 0.05% 0.07% 0 IPAM Manager
3845#sh ver
Cisco IOS Software, 3800 Software (C3845-ADVENTERPRISEK9-M), Version 15.1(3)T3, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2011 by Cisco Systems, Inc.
Compiled Wed 14-Dec-11 23:31 by prod_rel_team
ROM: System Bootstrap, Version 12.4(13r)T, RELEASE SOFTWARE (fc1)
3845 uptime is 14 weeks, 1 day, 17 hours, 17 minutes
System returned to ROM by bus error at PC 0x63D584E4, address 0xB0D0AF9 at 10:57:19 UTC Wed Dec 19 2012
System image file is "flash:c3845-adventerprisek9-mz.151-3.T3.bin"
Last reload type: Normal Reload
Cisco 3845 (revision 1.0) with 484352K/39936K bytes of memory.
Processor board ID FTX1228A0J5
2 Gigabit Ethernet interfaces
2 Virtual Private Network (VPN) Modules
DRAM configuration is 64 bits wide with parity enabled.
479K bytes of NVRAM.
126000K bytes of ATA System CompactFlash (Read/Write)
3845#sh ip int g0/0
GigabitEthernet0/0 is up, line protocol is up
Address determined by non-volatile memory
MTU is 1500 bytes
Helper address is not set
Directed broadcast forwarding is disabled
Outgoing access list is not set
Inbound access list is not set
Proxy ARP is enabled
Local Proxy ARP is disabled
Security level is default
Split horizon is enabled
ICMP redirects are always sent
ICMP unreachables are always sent
ICMP mask replies are never sent
IP fast switching is enabled
IP fast switching on the same interface is disabled
IP Flow switching is disabled
IP CEF switching is enabled
IP CEF switching turbo vector
IP multicast fast switching is enabled
IP multicast distributed fast switching is disabled
IP route-cache flags are Fast, CEF
Router Discovery is disabled
IP output packet accounting is disabled
IP access violation accounting is disabled
TCP/IP header compression is disabled
RTP/IP header compression is disabled
Policy routing is disabled
Network address translation is disabled
BGP Policy Mapping is disabled
Input features: MCI Check
WCCP Redirect outbound is disabled
WCCP Redirect inbound is disabled
WCCP Redirect exclude is disabled
3845#sh ip int g0/1
GigabitEthernet0/1 is up, line protocol is up
Internet protocol processing disabled
3845#
3845#
3845#sh ip int g0/1.1
GigabitEthernet0/1.1 is up, line protocol is up
Address determined by non-volatile memory
MTU is 1500 bytes
Helper address is not set
Directed broadcast forwarding is disabled
Outgoing access list is not set
Inbound access list is not set
Proxy ARP is enabled
Local Proxy ARP is disabled
Security level is default
Split horizon is enabled
ICMP redirects are always sent
ICMP unreachables are always sent
ICMP mask replies are never sent
IP fast switching is enabled
IP fast switching on the same interface is enabled
IP Flow switching is disabled
IP CEF switching is enabled
IP CEF switching turbo vector
IP multicast fast switching is enabled
IP multicast distributed fast switching is disabled
IP route-cache flags are Fast, CEF
Router Discovery is disabled
IP output packet accounting is disabled
IP access violation accounting is disabled
TCP/IP header compression is disabled
RTP/IP header compression is disabled
Policy routing is disabled
Network address translation is disabled
BGP Policy Mapping is disabled
Input features: MCI Check
WCCP Redirect outbound is disabled
WCCP Redirect inbound is disabled
WCCP Redirect exclude is disabled
3845#sh ip int g0/1.2
GigabitEthernet0/1.2 is up, line protocol is up
Address determined by non-volatile memory
MTU is 1500 bytes
Helper address is not set
Directed broadcast forwarding is disabled
Outgoing access list is not set
Inbound access list is 102
Proxy ARP is enabled
Local Proxy ARP is disabled
Security level is default
Split horizon is enabled
ICMP redirects are always sent
ICMP unreachables are always sent
ICMP mask replies are never sent
IP fast switching is enabled
IP fast switching on the same interface is enabled
IP Flow switching is disabled
IP CEF switching is enabled
IP CEF switching turbo vector
IP multicast fast switching is enabled
IP multicast distributed fast switching is disabled
IP route-cache flags are Fast, CEF
Router Discovery is disabled
IP output packet accounting is disabled
IP access violation accounting is disabled
TCP/IP header compression is disabled
RTP/IP header compression is disabled
Policy routing is disabled
Network address translation is disabled
BGP Policy Mapping is disabled
Input features: Access List, MCI Check
WCCP Redirect outbound is disabled
WCCP Redirect inbound is disabled
WCCP Redirect exclude is disabled
3845#sh int g0/0
GigabitEthernet0/0 is up, line protocol is up
MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,
reliability 255/255, txload 4/255, rxload 3/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full Duplex, 1Gbps, media type is RJ45
output flow-control is XON, input flow-control is XON
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 never
Input queue: 3/75/3238/105258 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 14889000 bits/sec, 14700 packets/sec
5 minute output rate 16504000 bits/sec, 9638 packets/sec
2000339267 packets input, 1061305423 bytes, 0 no buffer
Received 3150988 broadcasts (0 IP multicasts)
0 runts, 0 giants, 256 throttles
1 input errors, 0 CRC, 0 frame, 1 overrun, 0 ignored
0 watchdog, 7616795 multicast, 0 pause input
2016664386 packets output, 3154500881 bytes, 0 underruns
0 output errors, 0 collisions, 1 interface resets
0 unknown protocol drops
0 babbles, 0 late collision, 0 deferred
2 lost carrier, 0 no carrier, 0 pause output
0 output buffer failures, 0 output buffers swapped out
3845#sh int g0/1
GigabitEthernet0/1 is up, line protocol is up
MTU 1500 bytes, BW 1000000 Kbit/sec, DLY 10 usec,
reliability 255/255, txload 4/255, rxload 3/255
Encapsulation 802.1Q Virtual LAN, Vlan ID 1., loopback not set
Keepalive set (10 sec)
Full Duplex, 1Gbps, media type is RJ45
output flow-control is XON, input flow-control is XON
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 never
Input queue: 0/75/653/16190 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 13306000 bits/sec, 9651 packets/sec
5 minute output rate 18921000 bits/sec, 13868 packets/sec
2064450389 packets input, 808347487 bytes, 0 no buffer
Received 143604 broadcasts (0 IP multicasts)
0 runts, 0 giants, 26 throttles
6 input errors, 0 CRC, 0 frame, 5 overrun, 0 ignored
0 watchdog, 436478 multicast, 0 pause input
240219952 packets output, 712158967 bytes, 0 underruns
0 output errors, 0 collisions, 1 interface resets
0 unknown protocol drops
0 babbles, 0 late collision, 0 deferred
2 lost carrier, 0 no carrier, 0 pause output
0 output buffer failures, 0 output buffers swapped out
3845#
Note:The inbound access-list applied to interface g0/1.2 only have 31 lines.
