[c-nsp] Cisco 2811 performance issue - dual(new) isp
Jmail Clist
jmlist80 at gmail.com
Thu Dec 22 15:31:43 EST 2011
Just some stats in regards to the process switching going on. Perhaps there
is a local routing issue going. The router has a 16 port swtich module and
voip configuration as well.
rtr2811#sh int fa0/1 stats
FastEthernet0/1
Switching path Pkts In Chars In Pkts Out Chars Out
Processor 7896167 510313670 206580 51851015
Route cache 2045463 2259282902 1371289 362310551
Total 9941630 2769596572 1577869 414161566
rtr2811#sh int vlan10 stats
Vlan10
Switching path Pkts In Chars In Pkts Out Chars Out
Processor 919990 130556040 527757 71368949
Route cache 8310553 1226617635 6618645 2928271922
Total 9230543 1357173675 7146402 2999640871
rtr2811#sh int fa1/1 stats
FastEthernet1/1
Switching path Pkts In Chars In Pkts Out Chars Out
Processor 1383507 357289088 16850156 3345888224
Route cache 0 0 72356 4341360
Total 1383507 357289088 16922512 3350229584
On Thu, Dec 22, 2011 at 2:18 PM, Jmail Clist <jmlist80 at gmail.com> wrote:
> Sounds good guys. I'll do some more testing tonight with CBAC and ip
> virtual-reassembly disabled and then report back. Innitially though, I did
> do testing without CBAC and the extended access-list and the performance
> was better but not much. I really want to focus on the process switcing
> issue. Also,for the record, I really appreciate you guys taking time to
> assist me.
>
> Chuck,
>
> What output did you look at excatly to determine the router is process
> switching a lot. This has been a big concern from the start. I have
> included the fa0/1 output from "sh ip traffic" below.
> FastEthernet0/1
> Throttle count 36
> Drops RP 191 SP 0
>
> SPD Flushes Fast 0 SSE 0
> SPD Aggress Fast 0
> SPD Priority Inputs 27740165 Drops 0
> Protocol IP
> Switching path Pkts In Chars In Pkts Out Chars Out
> Process 204907 66290178 224238 53917553
>
> Cache misses 0 - - -
> Fast 2423978 2702405744 1697406 532316803
>
> Auton/SSE 0 0 0 0
>
> Additonal config snippets
>
> interface Service-Engine0/0
> ip unnumbered Vlan10
> service-module ip address 192.168.1.2 255.255.255.0
> service-module ip default-gateway 192.168.1.30
> hold-queue 60 out
> !
> interface FastEthernet1/0
> description ***To MPLS***
> switchport access vlan 10
> switchport voice vlan 1
> mls qos trust dscp
> auto qos voip trust
> auto discovery qos
> spanning-tree portfast
> !
> interface FastEthernet1/1 (16-port switch module)
> switchport trunk native vlan 10
> switchport mode trunk
> switchport voice vlan 1
> mls qos trust dscp
> auto qos voip trust
> auto discovery qos
> spanning-tree portfast
> !
> interface Virtual-Template1
> ip unnumbered Vlan1
> ip virtual-reassembly
> no peer default ip address
> ppp encrypt mppe auto passive
> ppp authentication pap chap ms-chap
> !
> interface Vlan1
> ip address 172.18.1.1 255.255.255.0
> h323-gateway voip interface
> !
> interface Vlan10
> ip address 192.168.1.30 255.255.255.0
> ip nat inside
> ip virtual-reassembly
> !
> interface Vlan80
> ip address 10.10.80.1 255.255.0.0
> !
> ip local pool vpn_pool 172.18.1.50 172.18.1.75
> ip forward-protocol nd
> ip route 0.0.0.0 0.0.0.0 216.82.208.254
> ip route 10.255.1.0 255.255.255.0 192.168.1.254
> ip route 172.18.2.0 255.255.255.0 192.168.1.254
> ip route 172.18.3.0 255.255.255.0 192.168.1.254
> ip route 192.168.1.2 255.255.255.255 Service-Engine0/0
> ip route 192.168.2.0 255.255.255.0 192.168.1.254
> ip route 192.168.3.0 255.255.255.0 192.168.1.254
> ip http server
> ip http authentication local
> ip http secure-server
> ip http path flash:GUI
> ip nat inside source list 111 interface FastEthernet0/1 overload
> !
> ip access-list extended BLOCK
> deny ip any any
> ip inspect name ISP2-cbac tcp
> ip inspect name ISP2-cbac udp
> ip inspect name ISP2-cbac icmp
>
>
> On Thu, Dec 22, 2011 at 1:05 PM, Chuck Church <chuckchurch at gmail.com>wrote:
>
>> The router is process switching (and dropping) a lot of packets. I’d try
>> it without CBAC and with ip virtual-reassembly disabled. See if you can
>> get it to work at close to wirerate before re-enabling features. Might be
>> worth trying a recent mainline 15.0 release, I seem to remember lots of
>> weirdness on an 870 ISR running 12.4(24)T.****
>>
>> ** **
>>
>> ** **
>>
>> Thanks,****
>>
>> ** **
>>
>> Chuck****
>>
>> ** **
>>
>> *From:* Jmail Clist [mailto:jmlist80 at gmail.com]
>> *Sent:* Thursday, December 22, 2011 12:09 PM
>> *To:* Chuck Church
>> *Cc:* cisco-nsp at puck.nether.net; vinny at abellohome.ne
>>
>> *Subject:* Re: [c-nsp] Cisco 2811 performance issue - dual(new) isp****
>>
>> ** **
>>
>> The fa0/1 interface literally plugs into the cable modem for the ISP. Do
>> you think I should increase the buffer size a bit for that interface? I'm
>> sure there is a command for that. I added another "sh int" and the full
>> "sh buffer" output near the bottom of this message.****
>>
>> ****
>>
>> #sh ver
>> Cisco IOS Software, 2800 Software (C2800NM-ADVENTERPRISEK9-M), Version
>> 12.4(24)T****
>>
>>
>> FastEthernet0/1 buffers, 1536 bytes (total 384, permanent 384):
>> 0 in free list (0 min, 384 max allowed)
>> 384 hits, 0 fallbacks
>> 384 max cache size, 256 in cache
>> 29489950 hits in cache, 0 misses in cache****
>>
>> interface FastEthernet0/1
>> ip address x.x.x.x 255.255.255.0
>> ip access-group BLOCK in
>> no ip redirects
>> ip nat outside
>> ip inspect ISP2-cbac out
>> ip virtual-reassembly
>> duplex auto
>> speed auto****
>>
>> ****
>>
>> sh int fa0/1
>> FastEthernet0/1 is up, line protocol is up
>> Hardware is MV96340 Ethernet, address is 0015.f956.d549 (bia
>> 0015.f956.d549)
>> Internet address is x.x.x.x/24
>> MTU 1500 bytes, BW 100000 Kbit/sec, DLY 100 usec,
>> reliability 255/255, 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 1d12h
>> Input queue: 0/75/167/0 (size/max/drops/flushes); Total output drops: 0
>> Queueing strategy: fifo
>> Output queue: 0/40 (size/max)
>> 5 minute input rate 267000 bits/sec, 84 packets/sec
>> 5 minute output rate 49000 bits/sec, 24 packets/sec
>> 9017021 packets input, 2522442236 bytes
>> Received 7072336 broadcasts, 0 runts, 0 giants, 18 throttles
>> 1934 input errors, 0 CRC, 0 frame, 0 overrun, 1934 ignored
>> 0 watchdog
>> 0 input packets with dribble condition detected
>> 1425142 packets output, 377562825 bytes, 0 underruns
>> 0 output errors, 0 collisions, 0 interface resets
>> 0 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****
>>
>> ****
>>
>> rtr2811#sh buffer
>> Buffer elements:
>> 687 in free list (1119 max allowed)
>> 80677703 hits, 0 misses, 619 created****
>>
>> Public buffer pools:
>> Small buffers, 104 bytes (total 106, permanent 50, peak 248 @ 1d02h):
>> 86 in free list (20 min, 150 max allowed)
>> 670704026 hits, 5941 misses, 4870 trims, 4926 created
>> 1577 failures (0 no memory)
>> Middle buffers, 600 bytes (total 41, permanent 25, peak 262 @ 7w0d):
>> 39 in free list (10 min, 150 max allowed)
>> 547716007 hits, 1867 misses, 3051 trims, 3067 created
>> 421 failures (0 no memory)
>> Big buffers, 1536 bytes (total 52, permanent 50, peak 122 @ 2d01h):
>> 35 in free list (5 min, 150 max allowed)
>> 6473777 hits, 98 misses, 133 trims, 135 created
>> 36 failures (0 no memory)
>> VeryBig buffers, 4520 bytes (total 10, permanent 10, peak 12 @ 19:59:39):
>> 10 in free list (0 min, 100 max allowed)
>> 26150 hits, 7 misses, 2 trims, 2 created
>> 6 failures (0 no memory)
>> Large buffers, 5024 bytes (total 1, permanent 0, peak 1 @ 1d00h):
>> 1 in free list (0 min, 10 max allowed)
>> 0 hits, 6 misses, 9 trims, 10 created
>> 6 failures (0 no memory)
>> Huge buffers, 18024 bytes (total 1, permanent 0, peak 1 @ 1d00h):
>> 1 in free list (0 min, 4 max allowed)
>> 0 hits, 6 misses, 9 trims, 10 created
>> 6 failures (0 no memory)****
>>
>> Interface buffer pools:
>> Onboard DSPRM Pool buffers, 264 bytes (total 300, permanent 300):
>> 0 in free list (0 min, 300 max allowed)
>> 300 hits, 0 fallbacks
>> 300 max cache size, 300 in cache
>> 991346 hits in cache, 0 misses in cache
>> Syslog ED Pool buffers, 600 bytes (total 132, permanent 132):
>> 100 in free list (132 min, 132 max allowed)
>> 532 hits, 0 misses
>> CD2430 I/O buffers, 1536 bytes (total 0, permanent 0):
>> 0 in free list (0 min, 0 max allowed)
>> 0 hits, 0 fallbacks
>> IPC buffers, 4096 bytes (total 140, permanent 140):
>> 140 in free list (70 min, 280 max allowed)
>> 0 hits, 0 fallbacks, 0 trims, 0 created
>> 0 failures (0 no memory)****
>>
>> Header pools:
>> Header buffers, 0 bytes (total 768, permanent 768):
>> 256 in free list (128 min, 1024 max allowed)
>> 512 hits, 0 misses, 0 trims, 0 created
>> 0 failures (0 no memory)
>> 512 max cache size, 512 in cache
>> 103 hits in cache, 0 misses in cache
>> C5510 Header Pool buffers, 0 bytes (total 768, permanent 768):
>> 256 in free list (128 min, 1024 max allowed)
>> 512 hits, 0 misses, 0 trims, 0 created
>> 0 failures (0 no memory)
>> 512 max cache size, 512 in cache
>> 986899 hits in cache, 0 misses in cache****
>>
>> Particle Clones:
>> 1024 clones, 101871 hits, 0 misses****
>>
>> Public particle pools:
>> F/S buffers, 256 bytes (total 768, permanent 768):
>> 256 in free list (128 min, 1024 max allowed)
>> 512 hits, 0 misses, 0 trims, 0 created
>> 0 failures (0 no memory)
>> 512 max cache size, 512 in cache
>> 0 hits in cache, 0 misses in cache
>> Normal buffers, 1548 bytes (total 768, permanent 768):
>> 768 in free list (128 min, 1024 max allowed)
>> 0 hits, 0 misses, 0 trims, 0 created
>> 0 failures (0 no memory)****
>>
>>
>>
>>
>> ****
>>
>> On Wed, Dec 21, 2011 at 3:04 PM, Chuck Church <chuckchurch at gmail.com>
>> wrote:****
>>
>> Hmmm. Well, there are a few variables. If one site does give you good
>> results, then the router might not be totally at fault. You are getting
>> ‘ignore’ errors on the interface with CBAC enabled, that’s definitely
>> slowing things down, as you’re getting re-transmits and TCP window starting
>> small again. Just curious, what does ‘sh buffer’ output look like?****
>>
>> ****
>>
>> ****
>>
>> Thanks,****
>>
>> ****
>>
>> Chuck****
>>
>> ****
>>
>> *From:* Jmail Clist [mailto:jmlist80 at gmail.com]
>> *Sent:* Tuesday, December 20, 2011 11:43 PM
>> *To:* Chuck Church****
>>
>>
>> *Cc:* cisco-nsp at puck.nether.net
>> *Subject:* Re: [c-nsp] Cisco 2811 performance issue - dual(new) isp****
>>
>> ****
>>
>> Chuck,****
>>
>> ****
>>
>> Interesting. Not sure why it was so low. I switched back to this new ISP
>> conn on fa0/1 tonight and ran some more tests. Below is various output
>> immediately after testing. The second set of show outputs is after I
>> applied CBAC inbound and a generic deny extended access list outbound on
>> fa0/1. The CBAC is definitely raising my cpu, as expected.****
>>
>> Performance is still low in my opinion, at least with testing on most
>> "test" sites. The only site that gave me great results was speakeasy.net.
>> ****
>>
>> ****
>>
>> rtr2811#sh int switching | begin FastEthernet0/1
>> FastEthernet0/1
>> Throttle count 11
>> Drops RP 11 SP 0
>> SPD Flushes Fast 0 SSE 0
>> SPD Aggress Fast 0
>> SPD Priority Inputs 20030942 Drops 0****
>>
>> Protocol IP
>> Switching path Pkts In Chars In Pkts Out Chars Out
>> Process 66120 22268396 37079 4417563
>> Cache misses 0 - - -
>> Fast 410053 477119555 351638 183218275
>> Auton/SSE 0 0 0 0****
>>
>> Protocol DEC MOP
>> Switching path Pkts In Chars In Pkts Out Chars Out
>> Process 0 0 8697 669669
>> Cache misses 0 - - -
>> Fast 0 0 0 0
>> Auton/SSE 0 0 0 0****
>>
>> Protocol ARP
>> Switching path Pkts In Chars In Pkts Out Chars Out****
>>
>> ****
>>
>> rtr2811#sh int fa0/1
>> FastEthernet0/1 is up, line protocol is up
>> Hardware is MV96340 Ethernet, address is 0015.f956.d549 (bia
>> 0015.f956.d549)
>> Internet address is 200.200.200.200/24
>> MTU 1500 bytes, BW 100000 Kbit/sec, DLY 100 usec,
>> reliability 255/255, 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 00:00:02, output hang never
>> Last clearing of "show interface" counters 00:01:49
>> 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 731000 bits/sec, 108 packets/sec
>> 5 minute output rate 357000 bits/sec, 45 packets/sec
>> 17949 packets input, 14940931 bytes
>> Received 5515 broadcasts, 0 runts, 0 giants, 0 throttles
>> 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
>> 0 watchdog
>> 0 input packets with dribble condition detected
>> 11012 packets output, 9300361 bytes, 0 underruns
>> 0 output errors, 0 collisions, 0 interface resets****
>>
>> ****
>>
>> rtr2811#sh proc cpu sorted 1min
>> CPU utilization for five seconds: 9%/1%; one minute: 14%; five minutes:
>> 13%
>> PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
>> 80 97347040 262361459 371 1.75% 1.77% 1.76% 0 IGMP
>> Snooping Re
>> 118 84936308 283025140 300 1.67% 1.54% 1.52% 0 IP
>> Input
>> 19 9391432 30838598 304 0.31% 1.20% 1.28% 0 ARP
>> Input
>> 182 392060 1300284614 0 1.03% 1.12% 1.12% 0 HQF
>> Shaper Backg
>> 92 19052984 60835327 313 0.39% 0.49% 0.50% 0
>> ILPM
>> 3 2197644 20210291 108 0.23% 0.31% 0.31% 0 Skinny
>> Msg Serve
>> 314 169248 163513044 1 0.31% 0.30% 0.31% 0 PPP
>> manager
>> 125 1464 1486 985 0.47% 0.16% 0.12% 514 SSH
>> Process
>> 5 11185972 797585 14024 0.00% 0.15% 0.17% 0 Check
>> heaps
>> 315 88332 163513044 0 0.15% 0.14% 0.15% 0 PPP
>> Events
>> 91 6798308 5230434 1299 0.07% 0.12% 0.13% 0
>> tCOUNTER
>> --More--****
>>
>>
>> ///////////////////////////////////////////////////////
>> After CBAC applied outbound/extended deny all access-list inbound****
>>
>> ****
>>
>> FastEthernet0/1 is up, line protocol is up
>> Hardware is MV96340 Ethernet, address is 0015.f956.d549 (bia
>> 0015.f956.d549)
>> Internet address is 200.200.200.200/24
>> MTU 1500 bytes, BW 100000 Kbit/sec, DLY 100 usec,
>> reliability 255/255, txload 1/255, rxload 3/255
>> 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 00:16:44
>> Input queue: 1/75/75/0 (size/max/drops/flushes); Total output drops: 0
>> Queueing strategy: fifo
>> Output queue: 0/40 (size/max)
>> 5 minute input rate 1445000 bits/sec, 183 packets/sec
>> 5 minute output rate 527000 bits/sec, 94 packets/sec
>> 162975 packets input, 141570515 bytes
>> Received 51776 broadcasts, 0 runts, 0 giants, 6 throttles
>> 379 input errors, 0 CRC, 0 frame, 0 overrun, 379 ignored
>> 0 watchdog
>> 0 input packets with dribble condition detected
>> 80662 packets output, 52976137 bytes, 0 underruns
>> 0 output errors, 0 collisions, 0 interface resets****
>>
>> ------
>> sh proc cpu sorted 1min
>> CPU utilization for five seconds: 11%/2%; one minute: 20%; five minutes:
>> 19%
>> PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
>> 118 84950740 283074993 300 1.75% 1.81% 1.78% 0 IP
>> Input
>> 80 97371132 262405939 371 1.83% 1.79% 1.77% 0 IGMP
>> Snooping Re
>> 19 9408864 30883468 304 1.35% 1.29% 1.46% 0 ARP
>> Input
>> 182 392968 1300500059 0 1.11% 1.12% 1.12% 0 HQF
>> Shaper Backg
>> 321 3856440 2264838 1702 0.00% 0.86% 0.78% 0 SNMP
>> ENGINE
>> 92 19056692 60845592 313 0.39% 0.48% 0.50% 0
>> ILPM
>> 3 2198364 20213772 108 0.31% 0.32% 0.31% 0 Skinny
>> Msg Serve
>> 314 169656 163540744 1 0.31% 0.30% 0.31% 0 PPP
>> manager
>> 319 2108780 4252988 495 0.07% 0.24% 0.16% 0 IP
>> SNMP
>> 5 11188032 797728 14024 0.00% 0.22% 0.19% 0 Check
>> heaps ****
>>
>> ****
>>
>> sh ip traffic
>> FastEthernet0/1
>> Throttle count 17
>> Drops RP 86 SP 0
>> SPD Flushes Fast 0 SSE 0
>> SPD Aggress Fast 0
>> SPD Priority Inputs 20080830 Drops 0****
>>
>> Protocol IP
>> Switching path Pkts In Chars In Pkts Out Chars Out
>> Process 66747 22533286 37856 4562880
>> Cache misses 0 - - -
>> Fast 509124 600798823 421307 227932429
>> Auton/SSE 0 0 0 0****
>>
>> Protocol DEC MOP
>> Switching path Pkts In Chars In Pkts Out Chars Out
>> Process 0 0 8698 669746
>> Cache misses 0 - - -
>> Fast 0 0 0 0
>> Auton/SSE 0 0 0 0****
>>
>> Protocol ARP
>> Switching path Pkts In Chars In Pkts Out Chars Out****
>>
>> On Tue, Dec 20, 2011 at 12:51 PM, Chuck Church <chuckchurch at gmail.com>
>> wrote:****
>>
>> Are you sure your NAT/PAT statements are right? I think you said in an
>> earlier email this output below was done right after the speedtest.
>> However, the 5 minute load interval for fa0/1 shows only 1 pps output on
>> this interface. The input packets look like all ARP, based on the int
>> switching info. Is your traffic really going out the original circuit?
>>
>> Chuck****
>>
>>
>> -----Original Message-----
>> From: cisco-nsp-bounces at puck.nether.net
>> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Jmail Clist****
>>
>> Sent: Tuesday, December 20, 2011 9:58 AM
>> To: Daniel Hooper****
>>
>> Cc: cisco-nsp at puck.nether.net
>> Subject: Re: [c-nsp] Cisco 2811 performance issue - dual(new) isp
>>
>> Here is a show proc, show ip traffic and show int switching. Any feedback
>> is very much appreciated.
>>
>> rtr2811#show proc cpu sorted 1min
>> CPU utilization for five seconds: 26%/17%; one minute: 13%; five minutes:
>> 13%
>> PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
>> 80 95570780 <80%20%20%20%2095570780> 257773304 370 1.83%
>> 1.75% 1.76% 0 IGMP
>> Snooping Re
>> 118 83345888 278039819 299 1.51% 1.59% 1.67% 0 IP
>> Input
>> 19 8380332 26051685 321 2.31% 1.33% 1.34% 0 ARP
>> Input
>> 182 382324 1277585313 0 1.35% 1.14% 1.12% 0 HQF
>> Shaper
>> Backg
>> 92 18735164 59773255 313 0.63% 0.51% 0.50% 0
>> ILPM
>> 125 10440 8415 1240 0.00% 0.45% 0.73% 514 SSH
>> Process
>> 3 2156048 19855473 108 0.31% 0.31% 0.31% 0 Skinny Msg
>> Serve
>> 314 166160 160658064 1 0.31% 0.31% 0.31% 0 PPP
>> manager
>> 5 10986872 783696 14019 0.00% 0.21% 0.18% 0 Check
>> heaps
>> 315 86412 160658064 0 0.15% 0.14% 0.15% 0 PPP
>> Events
>> 91 6677076 5139100 1299 0.15% 0.12% 0.13% 0
>> tCOUNTER
>> --------------------
>> rtr2811#sh ip traffic
>> IP statistics:
>> Rcvd: 5677 total, 231 local destination
>> 0 format errors, 0 checksum errors, 7 bad hop count
>> 0 unknown protocol, 5358 not a gateway
>> 0 security failures, 0 bad options, 0 with options
>> Opts: 0 end, 0 nop, 0 basic security, 0 loose source route
>> 0 timestamp, 0 extended security, 0 record route
>> 0 stream ID, 0 strict source route, 0 alert, 0 cipso, 0 ump
>> 0 other
>> Frags: 0 reassembled, 0 timeouts, 0 couldn't reassemble
>> 0 fragmented, 0 fragments, 0 couldn't fragment
>> Bcast: 33 received, 0 sent
>> Mcast: 0 received, 21 sent
>> Sent: 225 generated, 11351 forwarded
>> Drop: 3 encapsulation failed, 0 unresolved, 0 no adjacency
>> 0 no route, 0 unicast RPF, 0 forced drop
>> 0 options denied
>> Drop: 0 packets with source IP address zero
>> Drop: 0 packets with internal loop back IP address
>> 0 physical broadcast
>> ICMP statistics:
>> Rcvd: 0 format errors, 0 checksum errors, 0 redirects, 0 unreachable
>> 60 echo, 0 echo reply, 0 mask requests, 0 mask replies, 0 quench
>> 0 parameter, 0 timestamp, 0 timestamp replies, 0 info request, 0
>> other
>> 0 irdp solicitations, 0 irdp advertisements
>> 0 time exceeded, 0 info replies
>> Sent: 32 redirects, 0 unreachable, 0 echo, 61 echo reply
>> 0 mask requests, 0 mask replies, 0 quench, 0 timestamp, 0 timestamp
>> replies
>> 0 info reply, 0 time exceeded, 0 parameter problem
>> 0 irdp solicitations, 0 irdp advertisements
>> UDP statistics:
>> Rcvd: 40 total, 0 checksum errors, 34 no port
>> Sent: 23 total, 0 forwarded broadcasts
>> TCP statistics:
>> Rcvd: 135 total, 0 checksum errors, 0 no port
>> Sent: 116 total
>> BGP statistics:
>> Rcvd: 0 total, 0 opens, 0 notifications, 0 updates
>> 0 keepalives, 0 route-refresh, 0 unrecognized
>> Sent: 0 total, 0 opens, 0 notifications, 0 updates
>> 0 keepalives, 0 route-refresh
>> IP-EIGRP statistics:
>> Rcvd: 0 total
>> Sent: 0 total
>> PIMv2 statistics: Sent/Received
>> Total: 0/0, 0 checksum errors, 0 format errors
>> Registers: 0/0 (0 non-rp, 0 non-sm-group), Register Stops: 0/0, Hellos:
>> 0/0
>> Join/Prunes: 0/0, Asserts: 0/0, grafts: 0/0
>> Bootstraps: 0/0, Candidate_RP_Advertisements: 0/0
>> Queue drops: 0
>> State-Refresh: 0/0
>> IGMP statistics: Sent/Received
>> Total: 0/0, Format errors: 0/0, Checksum errors: 0/0
>> Host Queries: 0/0, Host Reports: 0/0, Host Leaves: 0/0
>> DVMRP: 0/0, PIM: 0/0
>> Queue drops: 0
>> OSPF statistics:
>> Rcvd: 0 total, 0 checksum errors
>> 0 hello, 0 database desc, 0 link state req
>> 0 link state updates, 0 link state acks
>> Sent: 0 total
>> 0 hello, 0 database desc, 0 link state req
>> 0 link state updates, 0 link state acks
>> ARP statistics:
>> Rcvd: 2916 requests, 0 replies, 0 reverse, 0 other
>> Sent: 2 requests, 5 replies (0 proxy), 0 reverse
>> Drop due to input queue full: 0
>> rtr2811#
>> ------------------
>> FastEthernet0/1 is up, line protocol is up
>> Hardware is MV96340 Ethernet, address is 0015.f956.d549 (bia
>> 0015.f956.d549)
>> Internet address is 200.200.200.200/24
>> MTU 1500 bytes, BW 100000 Kbit/sec, DLY 100 usec,
>> reliability 255/255, 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 00:00:02, output hang never
>> Last clearing of "show interface" counters 00:04:13
>> 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 115000 bits/sec, 64 packets/sec
>> 5 minute output rate 18000 bits/sec, 1 packets/sec
>> 24064 packets input, 9171019 bytes
>> Received 17645 broadcasts, 0 runts, 0 giants, 0 throttles
>> 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
>> 0 watchdog
>> 0 input packets with dribble condition detected
>> 4516 packets output, 2399483 bytes, 0 underruns
>> 0 output errors, 0 collisions, 0 interface resets
>> ------------------------
>> sh int switching
>> FastEthernet0/1
>> Throttle count 10
>> Drops RP 10 SP 0
>> SPD Flushes Fast 0 SSE 0
>> SPD Aggress Fast 0
>> SPD Priority Inputs 15397736 Drops 0
>> Protocol IP
>> Switching path Pkts In Chars In Pkts Out Chars Out
>> Process 49490 16769897 30321 3863531
>> Cache misses 0 - - -
>> Fast 249838 281487351 229388 101233546
>> Auton/SSE 0 0 0 0
>> Protocol DEC MOP
>> Switching path Pkts In Chars In Pkts Out Chars Out
>> Process 0 0 8548 658196
>> Cache misses 0 - - -
>> Fast 0 0 0 0
>> Auton/SSE 0 0 0 0
>> Protocol ARP
>> Switching path Pkts In Chars In Pkts Out Chars Out
>> Process 15397767 923866020 919 55140
>> Cache misses 0 - - -
>> Fast 0 0 0 0
>> Auton/SSE 0 0 0 0
>> Protocol CDP
>> Switching path Pkts In Chars In Pkts Out Chars Out
>> Process 0 0 4675 1907390
>> Cache misses 0 - - -
>> Fast 0 0 0 0
>> Auton/SSE 0 0 0 0
>> Protocol Other
>> Switching path Pkts In Chars In Pkts Out Chars Out
>> Process 0 0 514555 30873300
>> Cache misses 0 - - -
>> Fast 0 0 0 0
>> Auton/SSE 0 0 0 0
>> NOTE: all counts are cumulative and reset only after a reload.
>>
>>
>> On Tue, Dec 20, 2011 at 2:03 AM, Daniel Hooper <dhooper at gold.net.au>
>> wrote:
>>
>> > I have no faith in sites like speedtest.net actually reporting the true
>> > speed of your link.
>> >
>> > Use your ISP's local FTP site & mirror sites or find one close to them
>> > upstream and perform testing.
>> >
>> > -Dan
>> >
>> > -----Original Message-----
>> > From: cisco-nsp-bounces at puck.nether.net [mailto:
>> > cisco-nsp-bounces at puck.nether.net] On Behalf Of Jmail Clist
>> > Sent: Tuesday, 20 December 2011 11:42 AM
>> > To: cisco-nsp at puck.nether.net
>> > Subject: Re: [c-nsp] Cisco 2811 performance issue - dual(new) isp
>> >
>> > I have attached another log called "latest_2811_logs". it contains the
>> "sh
>> > ip traffic, sh int switching and a "show proc cpu sorted 1min" output
>> > immediately after doing a test on speedguide.net through the new isp2
>> > connection. I see some throttle drops but not much more. I'm still
>> puzzled
>> > at the poor performance. I put the interface back to auto as well and
>> teh
>> > results are the same. Any ideas?
>> >
>> > On Mon, Dec 19, 2011 at 9:03 PM, Christopher J. Wargaski
>> > <wargo1 at gmail.com>wrote:
>> >
>> > > According to
>> > >
>> http://www.cisco.com/web/partners/downloads/765/tools/quickreference/r
>> > > outerperformance.pdf, the router can handle up to 16.44 Mbps of fast /
>> > > CEF switching. I was not able to see your attachments in the digest
>> > > nor in the archive. Do you have CEF enabled?
>> > >
>> > > cjw
>> > >
>> > >
>> > > Date: Mon, 19 Dec 2011 10:57:11 -0600
>> > >> From: Jmail Clist <jmlist80 at gmail.com>
>> > >>
>> > >> To: cisco-nsp at puck.nether.net
>> > >> Subject: [c-nsp] Cisco 2811 performance issue - dual(new) isp
>> > >> Message-ID:
>> > >> <CAO8NJwLyKmQj8jUJTYg2_82fyxyyQLRuCOraaeH3BG9ONPr8=
>> > >> Q at mail.gmail.com>
>> > >> Content-Type: text/plain; charset="iso-8859-1"
>> > >>
>> > >>
>> > >> Hello,
>> > >>
>> > >> I have an issue that is really causing me grief. I recentely
>> > >> inherited a small network. There is an existing 1.5mbps Internet
>> > >> connection (fa0/0) (includes MPLS as well/same provider). We added a
>> > >> new ISP that allows for 50mb down/5mb up. I added the new ISP to
>> > >> fa0/1 and modified the NAT overload statements accordingly. I alo
>> > >> changed the default route to ONLY use the new, faster ISP connection.
>> > >> Using speedguide.net, I am only able to get 6 to 10mb down, most of
>> > >> the time. if I plug a laptop into the cable modem then I get 37 to
>> > >> 50mb down. Any idea why the 2811 is so slow? How much download speed
>> > >> can I expect to get? Any assisstance would be very much appreciated.
>> > >>
>> > >> I have attached the config and various show outputs (nat, sh ver,
>> > >> memory, etc.).
>> > >>
>> > >> Thank you,
>> > >>
>> > >
>> >****
>>
>> _______________________________________________
>> cisco-nsp mailing list cisco-nsp at puck.nether.net
>> https://puck.nether.net/mailman/listinfo/cisco-nsp
>> archive at http://puck.nether.net/pipermail/cisco-nsp/****
>>
>> ****
>>
>> ** **
>>
>
>
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