I am seeing packets being ignored on GigabitEthernet0/0, but can't find any reason what the reason can be for that. So far calculated that about 3% of the traffic is being ignored. If it was caused by shortage of input buffers, I would expect to see increasing counters somewhere at no_buffer, but that is not the case. The average txload and rxload on the router is low all times.
#sh int g0/0 GigabitEthernet0/0 is up, line protocol is up Hardware is i82543 (Livengood), address is 0012.7f8a.8008 (bia 0012.7f8a.8008) Description: ;Link to NORISMP998 G5/2 Internet address is 184.108.40.206/30 MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec, reliability 255/255, txload 2/255, rxload 2/255 Encapsulation ARPA, loopback not set Keepalive set (10 sec) Full-duplex, 1000Mb/s, link type is autonegotiation, media type is SX 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 8w2d Input queue: 0/75/522186/1117 (size/max/drops/flushes); Total output drops: 0 Queueing strategy: fifo Output queue: 0/40 (size/max) 5 minute input rate 11667000 bits/sec, 2319 packets/sec 5 minute output rate 9377000 bits/sec, 2350 packets/sec 578287458 packets input, 1706457701 bytes, 0 no buffer Received 3180106 broadcasts, 0 runts, 0 giants, 29 throttles 14996651 input errors, 0 CRC, 0 frame, 519693 overrun, 14476958 ignored 0 watchdog, 3180104 multicast, 0 pause input 0 input packets with dribble condition detected 353879313 packets output, 4190517063 bytes, 0 underruns 0 output errors, 0 collisions, 0 interface resets 0 babbles, 0 late collision, 0 deferred 0 lost carrier, 0 no carrier, 0 pause output 0 output buffer failures, 0 output buffers swapped out
#sh ver Cisco Internetwork Operating System Software IOS (tm) 7200 Software (C7200-IS-M), Version 12.3(18), RELEASE SOFTWARE (fc3) Technical Support: http://www.cisco.com/techsupport Copyright (c) 1986-2006 by cisco Systems, Inc. Compiled Wed 15-Mar-06 19:16 by dchih Image text-base: 0x60008AF4, data-base: 0x61CD4000
ROM: System Bootstrap, Version 12.2(4r)B2, RELEASE SOFTWARE (fc2) BOOTLDR: 7200 Software (C7200-KBOOT-M), Version 12.3(15), RELEASE SOFTWARE (fc3)
NORISMP005 uptime is 36 weeks, 6 days, 6 hours, 40 minutes System returned to ROM by power-on System restarted at 08:21:24 UTC Thu Jun 9 2011 System image file is "disk0:c7200-is-mz.123-18.bin"
cisco 7204VXR (NPE400) processor (revision B) with 229376K/32768K bytes of memory. Processor board ID 32576526 R7000 CPU at 350MHz, Implementation 39, Rev 3.3, 256KB L2 Cache 4 slot VXR midplane, Version 2.8
Last reset from power-on G.703/E1 software, Version 1.0. G.703/JT2 software, Version 1.0. Bridging software. X.25 software, Version 3.0.0.
PCI bus mb0_mb1 (Slots 0, 1, 3 and 5) has a capacity of 600 bandwidth points. Current configuration on bus mb0_mb1 has a total of 490 bandwidth points. This configuration is within the PCI bus capacity and is supported.
PCI bus mb2 (Slots 2, 4, 6) has a capacity of 600 bandwidth points. Current configuration on bus mb2 has a total of 200 bandwidth points This configuration is within the PCI bus capacity and is supported.
Please refer to the following document "Cisco 7200 Series Port Adaptor Hardware Configuration Guidelines" on Cisco.com <http://www.cisco.com> for c7200 bandwidth points oversubscription and usage guidelines.
1 Ethernet/IEEE 802.3 interface(s) 1 Gigabit Ethernet/IEEE 802.3 interface(s) 7 Serial network interface(s) 125K bytes of non-volatile configuration memory.
62976K bytes of ATA PCMCIA card at slot 0 (Sector size 512 bytes). 8192K bytes of Flash internal SIMM (Sector size 256K). Configuration register is 0x2102
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Thx for the link. That is what I already understood, but wouldn't it make sense that the no-buffer counter would increase?
You're looking at the wrong "buffer" counter.
Input queue: 0/75/522186/1117 (size/max/drops/flushes); Total output drops: 0
Increasing the input queue depth might avoid some drops, but your underlying problem likely is the NPE400, which doesn't offer sufficient performance to handle a busy gig link.
If other interfaces are just serial interfaces and a single Ethernet, and their aggregate is less than 100 Mbps, running the gig interface at 100 Mbps might be one solution (although not possible, I believe, with the SX optics - can you switch to copper?).
This is actually a pretty cool feature, i didn't even know it existed until I was looking for a solution to advertise a subnet (prefix in BGP talk), only if a certain condition existed. This is exactly what conditional advertisements does
j ai une question j ai achete un routeur cisco 887VA-k9 , je le configuré avec la configuration ci- dessous
si je le lier avec mon pc portable sur l un de ses ports directement ça marche toute est bien ( la connexion internet + m...
Attached policy provides CLI access to the Cisco 4G router over text messaging. Two files are in the attached .tar file:
2. PDF with instructions on how to load and use the .tcl file.