Cisco Switching/Routing :: 6509E 20% Speed Loss When Router Introduced To Transfer Path
Jun 11, 2012
I have an issue that I am trying to track down. When I have 2 servers on the same VLAN on my AS pair, all is good because nothing leaves the switch. Where the issue is, is when I have 2 servers on different VLAN's and it requires a hop across the Core router pair. This hop drops the throughput rate by about 20-25% (from 44M to 35-36M)I think I know the issue, but want some input to from other to make sure I am not off-base. I have a pair of 6509E chassis' running Sup720 (VS-S720-10G) with CEF720 (X6748-GE-TX) modules. This is my Access Pair running VSS to look as 1 switch.
These tie into the Core pair of 6500E chassis' running Sup720 (Sup720-3B). This issue I see is that the core has a CEF720 card (6724-SFP), but the AS pair does not connect to the core on that card, they connect on a RJ45 Ethermodule (6148A-GE-TX) card. Would the fact that the AS pair does not connect to the core on the CEF7220 module on the core, cause the traffic to not make use of the CEF features of the Core and make each packet then have to be processed by the core instead of Express Forwarded?
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Sep 20, 2012
I multi homed to dual ISPs using a single 6509e. Currently, I am only receiving a default from wash ISP and marking one with a higher local pref. most of my traffic flow is inbound, so this config meets my need. The issue I have: if either ISP has has an outage upstream from my directly connected peer, my router does not detect that and continues to send traffic out thru that provider only to be black holed. My 6509 will only support 256k routes, so full route tables isn't an option. I could receive partials from each ISP. Is there any other method to detecting this upstream ISP issue and then adjusting my local pref on my default to use the alternate provider path?
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Mar 4, 2013
I multi homed to dual ISPs using a single 6509e. Currently, I am only receiving a default from wash ISP and marking one with a higher local pref. most of my traffic flow is inbound, so this config meets my need. The issue I have: if either ISP has has an outage upstream from my directly connected peer, my router does not detect that and continues to send traffic out thru that provider only to be black holed. My 6509 will only support 256k routes, so full route tables isn't an option. I could receive partials from each ISP. Is there any other method to detecting this upstream ISP issue and then adjusting my local pref on my default to use the alternate provider path?
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Mar 16, 2013
I am getting very slow window file transfer speed (4 Mbps per second) between two connecting servers in Cisco 6509 switch. I have connect the two laptops in 6509 switch in same module using the same vlan and try to copy the files from one laptop to another and vice versa and got the same speed on 4 to 5 Mbps per second. Switch utilization is not more than 10% and both the laptops are connected in 1 Gbps full duplex.
I have checked by removing the gateway in both laptop but the output is same.
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Apr 30, 2012
I have a new 6509E with 2 sup 2T cards. The 10GE ports on both sup cards will connect to 2 5548s. Can i connect the management interface on the new 6509E to the old 6509 until i free up space to bring the line cards over?
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Dec 9, 2012
I have a couple of 6509-E combined in a VSS system. I need to upgrade them to support 8 (or 16 at max) 10G uplinks. I already used the two built-in VS-S720-10G fiber connectors for VSL links. Which Ethernet modules do you suggest to use? are there any related upgrades that I have to do?
supervisor used: VS-S720-10G
Chassis: WS-C6509-E
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May 22, 2013
We have a site were we have a 887 cisco hsiung a GRE tunnel
When pinging anything froom the tunnel source to the tunnel dest on the local lan we get a 50% packet loss
ping
Protocol [ip]:
Target IP address: 10.9.93.22
[Code].....
replicated the setup exatly in our lab and it works 100% with exactly the same config.
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Jan 16, 2012
I had to change from a WRT300N wireless router which died to a new E2500. I noticed that the speed my computers report that they are connected to the wireless network connection is now 144.5 mps, versus 270 mps with the WRT300N. There is no change in location of the devices or computers. The computers use a WUSB300N adapter. Is there a setting or setup that needs to be changed?
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Aug 7, 2012
I want to migrate a Cat 6503-E VSS to Cat 6509E VSS. We plan to use the same supervisor that we have on the Cat6503E, for minimizing the configuration change on the Doing this, the vss link will need to be changed, due to the fact that the supervisor slot will change with the Cat 6509, slot 5 instead of 1.
Question: is there a way to just change the vsl-link interface on a existing VSS ?
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Oct 1, 2012
I have a pair of Core VSS 6509E SUP 2T. Two different LANs, two diff. Subnets. larger LAN has been connected to the VSS pair usng normal SVI and Post-Channles (has lots of closets 3750 stacks) and no problem. Second LAN, two closets, stacked and connected to each other via Port channel and trunk + SVI interfaces. Now, I have SVI interfaces for both LANs on teh VSS pair and that is causing traffic from one LAN to jump over to the other VLAN and rightly so because the VSS pair see both subnets as directly connected subnets. I was wondring if I delete the SVI for the second LAN and only keep the L2 VLAN this will be resolved> The reason for the second LAN to connect to the VSs pair is only that It has to go through the VSS pair to get to the WAN router (both LANs will go out through this Same WAN router) but WAN router is not my concern at this time. I need to isolate these two LANs/subnets traffic so no one VLAM traffic jumps over the other.I have also thought about VRF but at this point I am not sure if teh 3750 stacks supports VRF and if it does how to implement VRF on the second and samller LAN to just allow it go through the VSS pair in order to get to the WAn router.
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Oct 27, 2011
I have a 6509E switch with dual 6Kw power supply that is logging "Power supply 1 input has changed. Power capacity adjusted to 2671.20W" then will bounce back to normal at random times from 1sec to 10sec. Is there a command to check what each input level of the power supply to try to identify possibly which source is causing the problem? The power supply input lights remains green while this is occuring.
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Feb 27, 2013
Trying to find documentation on the proper procedure for installing a second sup720 into our 6509-E chassis for sup redundancy. I have found documents that tout how 'cool' and 'awesome' NSF/SSO, and all that is, but haven't found any docs on installing a second sup720 into a chassis that is currently in production and is only running one sup720. In all the years that this chassis has been out, there must me a documented procedure out here to explain this.I have been through the following pages, and have found nothing to this effect.
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Jul 2, 2012
upgrade experience with the 6509E on what IOS version to use. This is a new install, so I want the most current version that supports SSH and works with dual supervisors.
Here is some information:
WS-C5609-E with 983008K/65536K bytes of memory
Current version 12.2(18)SXF17b
Slot 5 Supervisor 720 (Active)
Slot 6 Supervisor 720 (Hot)
Just need a strong base code, no advanced services. Let me know if you any additional information.
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Dec 29, 2011
Looking at the specs for WS-X6704-10GE, it shows the port buffers at 16M per port. This doesn't seem like very much for a 10G port. Is this upgradable or related to how much RAM is in the blade?
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Feb 6, 2012
We are experiencing with high CPU input due to ARP input between 20:30 and 22:30 every day At this time we have a lot of backup operations. When I look the netflow report, I can't see anything anormal.
We are changing our backup server's NIC card from 1gig to 10Gig. The backup operation's traffic is high (approx 2Gbps level) but 6509 has to be handle this size of traffic.
We are using two 6509E in VSS mode and our image version is s72033-adventerprisek9_wan-mz.122-33.SXJ.bin
20:00
show ip arp summary
--------------
2588 IP ARP entries, with 166 of them incomplete
[Code].....
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Nov 7, 2012
I have to upgrade two Cisco Catalyst 6509E from Catos to IOS. I would want to know the requirements hardware or software for upgrading. Which are the recommended images I must download? From cat6000-sup32pfc3k9.8-4-5 to the latest stable version of IOS, is it recomended to pass to another previously version before?
I have viewed the following links,[URL]but, it doesn`t mention anything about that. The image below is the result of the "show version" command of one of our Cisco Catalyst.
WS-C6509-E Software, Version NmpSW: 8.4(5)
Copyright (c) 1995-2005 by Cisco Systems
NMP S/W compiled on Aug 3 2005, 13:13:36
[code]....
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Dec 23, 2011
I had to change from a WRT300N wireless router which died to a new E2500. I noticed that the speed my computers report that they are connected to the wireless network connection is now 144.5 mps, versus 270 mps with the WRT300N. There is no change in location of the devices or computers. The computers use a WUSB300N adapter. Is there a setting or setup that needs to be changed?
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Jun 13, 2012
I've Cisco7609-S with IOS 12.2(33)SRC2 met an issue is that "show ip route x.x.x.x" and "show ip cef x.x.x.x" shown next-hop is not actual switched next-hop.
For example, "show ip route 192.168.1.1" and "show ip cef 192.168.1.1" shown correct next-hop is 10.1.1.1, but the traffic destine to 192.168.1.1 actually not through 10.1.1.1, but always through the default route next-hop. Everything works normal after rebooted the router. Suppose it should caused by a bug? BTW, my Cisco7609 is runing BGP with ISP which received about 10K routes.
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Nov 2, 2011
we are seeing network latency problems and our cpu on the 6509e is spiking and have a above average % for the past week or so. When we do see these spikes it seems that snmp and apr input is high
CPU utilization for five seconds: 75%/53%; one minute: 17%; five minutes: 14%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process 9 1636168 95505 17131 4.19% 0.36% 0.34% 0 Check heaps =======>
12 478096 1011864 472 3.07% 0.12% 0.12% 0 ARP Input =====> 52 30420 436000 69 0.07% 0.07% 0.07% 0 Per-Second Jobs
53 317496 7789 40762 0.87% 0.10% 0.06% 0 Per-minute Jobs
220 55380 87807 630 0.07% 0.06% 0.07% 0 Compute load avg
[code]....
we recently upgraded our 3560 switches to the new 12.2-55 ios version but have not upgraded our 6509 because its ios is on 12.2(33)SXJ1. Not sure if this is related or not but it seems that after we upgraded to the later ios that the latency started.over the last 24 hours the spike is several times an hour and at least one a day that it hits the 90 - 100 % mark.is there a way that we can limit what snmp view but would not effect functionality or network?
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Oct 18, 2012
Are there any physical characteristic differences between the 6509 and 6509-E chassis?
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Apr 27, 2012
On my 6509-E, all the modules show this:
Region F1: INVALID
Region F2: INVALID
Currently running ROMMON from S (Gold) region
Is this alright? Is the Gold region like a default region where ROMMON is always installed. And are F1 and F2 just storage partitions that are available to hold backup copies of the ROMMON? From what I read, it sounds like I can copy ROMMON images to F1 and F2, either the same version as the Gold region or different versions. Is that correct? Why would I want to copy different ROMMON versions to F1 and F2?
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Feb 8, 2013
I have been spending days !!! trying to resolve why my laptop pc disconnects frequently from its wireless connection. No discernable pattern to disconnects, totally random. Happens in cycles of disconnect/auto reconnect or will go hours of stable operation. What I have noticed is tht the connection speed seems to vary, from a hig of 54.0 Mbps to as low as 2.0 Nbps. At same time the desktop pc (hard wired to modem) stays connected at 100 Mbps.Using RCA modem, WRT160n v3 router.
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Jun 29, 2011
My transfer speed from HDD which connected to linksys e4200 reach max 2,3MB/s how it is possible to watch fullHD movie if its required minimum 5MB/s? Maybe I should make some adjustments? HDD-WD My Passport 750Gb Also connection speed max reach 144mb/s?? how to make 300mb/s ? wifi adapter is Intel advanced N + WiMax 6250 AGN last driver installed, also E4200 last firmware installed 1.0.0.2 all settings by default Max download speed 75Mb/s by utorrent but provider gives 100Mb/s By cable its ok, max speed 100Mb/s as giving provider
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May 6, 2012
My XBOX started complaining when I began using Windows Media Center to stream videos from my PC to my XBOX. I found out that I had a wireless G router provided by verizon which wasn't fast enough to stream videos. SO, I went out and purchased a 4500EA router expecting it to be the fastest thing I had ever seen.
Now it seems a bit slow when trying to stream video from my laptop to the XBOX and i'm a tad bit confused as to why. So I did a file transfer from a desktop wired directly to the router from a laptop in the same room wirelessly connected to the network and my speed is about 4mbps. 4MBPS!? This device is supposed to be capable of moving packets LAN side at 450MBPS.
Both of my PC's are quad core, newer model PCs. I've tried moving files now for several hours with the same results. I've toyed around with my wireless adapters, changed power settings, full duplex, half, changed mtu sizes, changed security settings. I'm out of ideas.
Is getting about 1% of the advertised bandwidth normal?
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May 22, 2012
What is the cause of having a huge number ( 875349) of total output drops on one of my gigabit utp port gi 2/12 which is connected to Cisco 1841 fa0/0 router by mean of cat5e cable.I did change the cable from cat5e to cat 6 and tried to increase hold queue to 4096 and to tweak wrr queue bandwidth
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Sep 11, 2012
I have two Core 6509E SUP2T configued as VSS and has two 48 ports fiber blades. I have two 3750s, I have two gig on each 3750 port-channle to po1 and connected to both the core, one link to each core.Now, I was asked ot add two more links on each 3750 switch to make it a total of 4 gigs on each 3750s (all 4 gig ports/uplinks will be in used an dtwo links to core one an dtwo links to core 2).when i added two additional links on 3750s and bundled them to po1, I created another port channel on core and bundeled the additional two gigs on each core to accomodate for the two additional links (ports on core switches are not consequtives).
adding these two additional ports makes the 3750 switches flap between managemnet vlan and po1.now, i am not sure if I must have added the two additional links on the core to teh current port-channel or core!? I have created another port-channel on core to accomodate for this currently!?
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Apr 3, 2013
we have two 6509E, as our core switches. Recently I noticed that on some connections I have a high output queue drop rate.
These 4 x 2 interfaces (gigabit) are connected to our blade encolure, consisting of 4 x WS-CBS3120X-S. The utilization of the links is really quite low, when I see the increase of the drops. (~=60Mbps). All the links are fiber (SFP) and the distance between the core switches and the enclosure is about 15-20m.
I am not aware of any service degradation on the part of the servers. No CRCs, collisions etc, on the interfaces, apart from the drops.
The line card is a WS-X6748-SFP, but other interfaces don't seem to be experiencing any problems.
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Oct 21, 2012
I have Catalyst 6509 E with redudant SUP720-3B (and MSFC3) running 12.2(18)SXF6 IP Services Lan Only IOS (this IOS requires 512MB DRAM and 64MB of flash) SUP has 512MB DRAM (458720K/65536K) and 512MB sup-bootdisk:, but, there is65536K bytes of Flash internal SIMM (Sector size 512K).
My question is can I put 12.2(33)SXJ3 IP Services Lan Only IOS to this 6500 because this IOS requires 512MB DRAM and 512MB od flash?This is "sh ver" and "dir all-filesystems" of my 6500:
cat6500#sh verCisco Internetwork Operating System Software IOS (tm) s72033_rp Software (s72033_rp-IPSERVICESK9-M), Version 12.2(18)SXF6, RELEASE SOFTWARE (fc1)Technical Support: [URL] Copyright (c) 1986-2006 by cisco Systems, Inc.Compiled Mon 18-Sep-06 23:59 by tinhuangImage text-base: 0x40101040, data-base: 0x42D90000
ROM: System Bo
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Dec 2, 2011
How i can transfer the router logs to email address.Wev are using the router 2600.
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Nov 20, 2011
i have a newly formatted (i.e. empty) 2TB WD my book elite which when i connect it to my computers usb port, can transfer a 6gb video file at over 100MB/s according to the win 7 detail box. However, when i connect it to the usb port on the back of the e4200 and try to transfer the same file, it only goes at 8MB/s max ... it appears to be going at usb 1 speed. i've got the latest firmware on both the e4200 and the my book 1111 and everything seems to be working fine for both, except this transfer rate when connected to the e4200.granted, cisco doesn't specifically list this drive as being tested, but the router does recognize it and shows it as usb 2.0, but yet the transfer speed is just too slow.8MB/s is just not workable...i could just connect the drive directly to the computer and share it that way, but connecting it to the e4200 was one of the reasons i bought the e4200.
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Mar 3, 2013
configuring EtherChannel between 3750-X cross-stack and 6509E switch. I use two ports on 3750s, and two ports on 6509. I just need it as a trunk. For some elusive reason one port on 3750 keeps being err-disabled, and one on 6509 notconnected.
Here is what I did so far.
3750
!
interface GigabitEthernet1/0/22
description ***VSS-RNOC-link***
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 2
[code]....
Problem with :
GigabitEthernet1/0/22 is down, line protocol is down (err-disabled)
GigabitEthernet2/1/29 is down, line protocol is down (notconnect)
I tried shutting them down, then no shutting them again. Didn't work.
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Apr 6, 2013
we have two 6509E which are configured in VSS mode with the following modules in each:
1 48 CEF720 48 port 10/100/1000mb Ethernet
2 8 DCEF2T 8 port 10GE
3 4 CEF720 4 port 10-Gigabit Ethernet
5 5 Supervisor Engine 2T 10GE w/ CTS (Acti VS-SUP2T-10G
I need to know if the temperature of the attached modules are normal or there is a problem?
the status of one of the supervisor engines is "MajFail" as shown below:
Mod Online Diag Status
---- -------------------
1 Pass
2 Pass
3 Pass
5 Major Error
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Oct 28, 2012
I have one Catalyst 6509E chassis and two SUP720. The bootup sequence on SUP 720 (standby hot) failed . Messages that appear on SUP 720, on the console port indicate o software crash. I don't have a flash card in SUP720.
This is the bootup process:
System Bootstrap, Version 8.5(3)
Copyright (c) 1994-2008 by cisco Systems, Inc.
Cat6k-Sup720/SP processor with 1048576 Kbytes of main memory
[code].....
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