Cisco Switching/Routing :: C6509 Switch Port Over Subscription
Nov 25, 2012
I have a C6509 with WS-X6548-GE-TX port module. The first port group, 1-8, is showing oversubscription (packets dropping) in the shared buffer. What interface commands can I use to find the specific port causing the buffer overflow?None of the ports is continuously overutilized and none of them in a SPAN destination group.I don't want to move connections without knowing which one is causing the problem. Also I fear that moving the connections may shift the bleeding to another shared port group.
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Aug 8, 2012
We are facing issue of getting very high CPU utilization for the VSS Switch model WS-C6509-E some times approx 100%.Attaching here show tech-support taken later after CPU normal along with show logging, show cpu sorted.HCAINNOI01XXXCS0001#sh proces cpu | ex 0.0%CPU utilization for five seconds: 100%/13%; one minute: 90%; five minutes: 91%PID 5Sec 1Min 5Min Process16406 91.2% 75.2% 76.2% ios-base16426 1.7% 1.4% 1.4% udp.proc16429 0.3% 0.3% 0.3% raw_ip.proc16432 2.8% 3.1% 3.1% cdp2.iosproc
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Sep 25, 2012
I need to know the oversubscirption for the WS-X6816-10G-2T, the 2T supervisor engine supports 80Gbps for each slot so the oversubscirption should be 2:1 (if my calculation is correct) but I cannot find any confirmation about that
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May 8, 2012
On the supervisor card of a cisco 6500 series, according to the following link, [URL] it only has 2 uplink ports on the card. Would I be correct in assuming that I only have those to ports that I can configure IP addresses on?
The cisco that is being devlivere is coming with a 48 port switch and 24 port fibre switch. Could I change any of those ports into a router port and configure IP addresses on those?
The supervisor card is a ws-sup-720-3b the 48 port switch is a ws-x6748-ge-tx the 24 port fibre switch is ws-x6724-sfp
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Jun 5, 2013
I'm fairly new to Cisco products am in the process of developing my network knowledge on a deeper level. I have a 3825 with a HWIC-4ESW and I'm struggling to fully understand how the two "see" each other. I've setup a V LAN with a layer 3 address on the HWIC and added the switch ports to it. This seemed to allow devices connected to the switch ports to talk to the built-in router ports. I thought this was all making sense until i applied an access-list to the router port. It's a simple ACL i'm just using for testing and the only thing it does is blocks telnet from anywhere. I know the ACL is setup properly because if I connect a device directly to the router port i cannot telnet to the port. However, if i connect a device to one of the switch ports, i am able to telnet to the router port successfully.
It seems that I'm missing something with how traffic flows from the switch port to the router ports and how the two "see" each other.
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Dec 28, 2008
what is the use of no switch port command in L3 switch?
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Feb 26, 2012
I was looking for a way to connect an AUX port from a 1700 router to a 6500 switch module console port, to see the output of the Switch's on the 1700 router, in case there is a network downtime, I could see what's going on in the switch, what cable should I use ? Also, is there is any kind of documentation for this type of config what have I seen is very few info.
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Oct 14, 2012
We would like to install a WS-SVC-WISM2-1-K9 in each of our 2 WS-C6509-E chassis. Both of these have supervisor 720 engines installed. One in each chassis.From what I have read we need to upgrade the IOS to 12.2.33 SXJ4. Is this correct?If this is true then what are the memory requirements for the upgrade to this IOS version. Below is the output from Show version?Is there sufficient memory instqalled to do this install?
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Mar 9, 2012
we plan to implement VSS on our datacenters (C6509/Sup720), in order to remove L2 loops (currently, access layer are C3750 stacks, which could evoluate for N5K/N2K). I would like to have some feedbacks about VSS stability. Some years ago, I have seen some bugs with this technology in another company, so I am still not totally comfortable to use it in the datacenter.
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Apr 4, 2012
We plan to implement a large number of ACL on our Distribution switch which is a HSRP pair of 6509C switches running on sup-bootflash:s72033-psv-mz.122-18.SXD3.bin WE need to divide the Network in three layers
unsecure layer
Proxy layer
Secure layer
We have approximately 250 vlans on the our distribution switches and plan to implement 15 ACL on different vlans Each ACL can contain upto 30 lines or less.
basic ACL example we will be applying on different vlan
vlan 200
ip access-group test123 in
My question is Can these ACL on a vlan can have a massive impact on the 6509 CPU ?
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Jan 13, 2013
I have a 2 cisco core (cisco WS-C6509-E (R7000) processor) and been working for quite sometime.they are conneted with HSRP with active standby config with a 10 g module for redundancy just today I see that the cpu utilization went to about 50% and its the same on both cores.
[Code] .......
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Feb 26, 2012
Last night, the C6509-E do a unexpected reload. In the crashinfo, I can see that the last error message before the reload, was as follows: %C6K_ PLATFORM-SP-2-PEER_RESET: SP is being reset by the RP
I consulted the cisco website about this error message and what I found was the following:C6K_PLATFORM-2.
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Sep 26, 2012
what should it be the minimum IOS version that I require on my WS-C6509-E equipments to support "logging origin-id" command?
Cisco documentation says that this command was introduced in 12.2(15)T, and integrated into 12.2(33)SXH.
BUT my Cisco switches have 12.2(33)SXH5 IOS version......and they do not support "logging origin-id".
(config)#logging ? Hostname or A.B.C.D IP address of the logging host buffered Set buffered logging parameters buginf Enable buginf logging for debugging cns-events Set CNS Event logging level console Set console logging parameters count Count every log message and timestamp last occurance esm Set ESM filter restrictions event Global interface events exception Limit(code)
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Apr 1, 2013
I operate between c6509-E, what did you flooding? its just packet capture gi1/3 but i dont know it and is it attack?also same seq no switch gots it?what is problem?
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Mar 25, 2012
we have a WS-C6509-E WITH SUP VS-S720-10G, and IOS s72033-advipservicesk9_wan-mz.122-33.SXI5.bin. [code]
From, what we can see, whenever we try to clear arp-cache, it doesn't remove the IPs from the ARP. We've checked a bug in the IOS 12.2(33)SXH4 with the same issue, in version SXI4 is solved, but I have version SXI5, it is supposed to be fixed, from this caveat CSCtf16300, since it says it was fixed on 12.2(33)SXI4, it should be fixed on SXI5, right ?
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Dec 22, 2011
Both regular IP traffic and ICMP traffic are passing through the source port. C6509 provides the option of filtering vlan traffic during monitoring. But I don't have vlan traffic.
qa-c6509-c(config)#monitor session 1 filter ? vlan SPAN filter VLAN
So I applied an access-list which only allows icmp traffic to be sent out of the monitoring port. But it does not work.
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Sep 9, 2009
I need those two stencils.I have checked here [URL] but:
- the one for the C6509-E is not there
- the one for the supervisor does not work properly (misaligned anchor points).
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Oct 21, 2012
I have been looking at grading the IOS version on our 6509-E however there is not enough space on disk:0 to upgrade to the version I need to install. The question I would like to ask is - is it possible to boot the IOS from a TFTP server? If this is possible what configuration do I need on the 6509 to enable this. How does the 6509 know about the TFTP server as an IOS is not installed and therefore it will not have a network configuration
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Jan 2, 2012
I have Cisco WS-C6509 with IOS version 12.2(18)I have several vlan interface on this device.Today I create new vlan intervace
interface Vlan165
description test5
ip address 10.10.10.1 255.255.255.252
end
and vlan:
VLAN Name Status Ports
---- -------------------------------- --------- -------------------------------
165 test5 active Gi7/14
But I can't ping this IP address and show ip route shows:
sh ip route 10.10.10.1
Routing entry for 10.10.10.0/24
Known via "static", distance 254, metric 0 (connected)
I have static route for this subnet /24?I can not see any error in logs, but looks like I reached vlan interface limit on this device or something like this.How can I check it?
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Sep 10, 2009
I am trying to figure out what is heat dissipation of a C6509-E configured as follows:
1 x WS-C6509-E-FAN
1 x VS-S720-10G-3C
1 x VS-F6K-PFC3C
8 x WS-X6748-GE-TX
8 x WS-F6700-DFC3C
2 x WS-CAC-6000W
I have tried two ways: 1) the power calculator and 2) manual calculation using the C6500 installation guide.
1) The power calculator says 13630 BTU/h
2) Manual calculation says: [code]
The there should be also the two PS in the picture, and the new total should be: [code] Well, 62711 BTU/h looks quite a bit too much and I think that the heat dissipation of the power supply should't be considered in the calculation.Isn't it an item that takes power from the grid and that generates heat according to its efficiency as the other modules?
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Sep 19, 2012
Network newbie need to verify all necessary services and protocols on a new WS-C6509-E are turned on. This layer 3 switch will be used to connect to servers.
Cisco IOS Software, s72033_rp Software (s72033_rp-ADVIPSERVICESK9_WAN-M), Version 12.2(33)SXI9, RELEASE SOFTWARE (fc2)
[Code]....
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Mar 20, 2012
We have two c6509 budled in VSS. I have noticed randomly high usage of CPU, sometimes up to 99% in peaks. I have found that it can be generated by SNMP engine. So I unconfigure all SNMP things. But situation is the same. I would like to know if this state is OK or not. CPU shows are enclosed in file.
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Nov 27, 2011
we have cisco WS-C6509-V-E with IOS version 12.2(33)SXI4; s3223_rp_IPSERVICESK9_WAN_M) running on a switch. I am trying to configure the command "mac-address-table synchronize" under global config mode. But when I enter the command Cisco(config)#mac-address-table ?It doesn't show the synchronize option?
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Nov 14, 2012
I am trying to find a command for dhcp snooping rate-limiting on a CatOS. The PFC card is PFC. PFC3B is said to support that command. But there seems no this command.
-6k> (enable) sh ver
WS-C6509-E Software, Version NmpSW: 8.4(5)
Copyright (c) 1995-2005 by Cisco Systems
NMP S/W compiled on Aug 3 2005, 13:26:46
[Code] ......
Up time is 1183 days, 1 hour, 41 minutes
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Jan 14, 2013
We are planning to replace a few line cards in the existing 6509-E chassis. The sup installed is a VS-S720-10G-3C but the line cards are legacy. As a result we are not able to enable the VSS functionality. We are looking to replace the existing line cards with the following:
1. 1 x WS-X6716-10G-3C
2. 1 x WS-X6724-SFP
3. 4 x WS-X6724-GE-TX
What are the requirements in terms of IOS and Roman.
The current IOS is: Cisco IOS Software, s72033_rp Software (s72033_rp-IPSERVICESK9_WAN-M), Version 12.2(33)SXI2a, RELEASE SOFTWARE (fc2)
And the ROM Version is: ROM: System Bootstrap, Version 12.2(17r)SX7, RELEASE SOFTWARE (fc1)
Do I need an upgrade?
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Oct 17, 2012
I've a big problem with a loss of packets ICMP sent by different hosts in differents VLAN. Here my architecture:
Core Switch : 2 Switch's C6509 (Version 15.0 (1) SY1)- Mode VSS - One lien VSL , the other link is defective.Access Switch: C3750 , Connected to Core Switch through 2 fibre optique wires.Topology: redundant ring
When I send consecutive ping message I found always a missing of packets . Furthermore When I insert the "show ip traffic" command., the parameter "bad hop count" increase after a loss of packets. I've 2 hosts connected in my network and they send packets with TTL =127.
In the Core Switch I haven't configured the MEC because it gave me troubles with the packets multicast.
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May 11, 2012
I have recently configured secondary ip address on LAN Interface of Cisco C6509.. We have some application which needs to use broadcast traffic communication to communicate with client... Broadcast is working within subnet & also working from broadcast server to primary subnet. But not working from secondary subnet.. I have checked broadcast within secondary IP range & it's working fine... Secondary not working broadcast with primary and also with broadcast server... broadcast address is different for these subnet but both should be communicate since configured on same interface... When I went through Cisco website found that command "ip directed broadcast" which will pass broadcast to different subnet... But I'm not sure whether any other impact if I enable that command on particular Ethernet interface...
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Jul 16, 2012
Is it possible to use the inbuilt 4 port switch on a Cisco 887VA ADSL router for inter Vlan routing? My plan is to configure port FA0 - 2 as Vlan 1 (default) 192.168.0.254/24 and port FA3 as Vlan 2 192.168.4.254/30. My SIP server will sit on Vlan 2 192.168.4.253/30 however remote Wan users coming through other Cisco 888 routers connected to the 887 will need to access Vlan 2 from Vlan 1, is this possible?
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Apr 15, 2012
There 's a Cisco IP phone that sits between a PC and the switch port. On the switch port, no MAC address is learned. However, the switch is able to detect the IP phone and deliver power to it: [code] Switch is Catalyst 3750 with IOS version 12.2(58)SE1.
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Mar 2, 2012
If I knew the IP address of a host, can we know on which port on the switch its connected. The switch model is 2960
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Sep 8, 2010
configure port security Cisco 500 Swich ? There is no CLI mode in this switch?
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Feb 7, 2011
I have a stack with a lot of stack-port changes, but on all the ports, how can I determine the faulty switch in the stack, cables are already verified. We did also a restart of the whole stack power off/on
running version
WS-C3750-48P 12.2(55)SE C3750-IPBASEK9-M
This is the output after 6weeks
Switch#/ Stack Neighbor Cable Link Link Sync # In Port# Port Length OK Active OK Changes Loopback Status To LinkOK -------- ------ -------- -------- ---- ------ ---- --------- -------- 1/1 OK 4 1
[Code].....
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Oct 19, 2012
I have a small lab setup and I am trying to implement an IDS/IPS on the network. I have 3 VLANs setup (10, 20, and 30) with the switch and a router allowing for inter-vlan communication. Port FA 0/1 on the switch is setup as a trunk using 802.1Q connected to a single interface on the router.
I want to be able to monitor traffic on the trunk link on the switch and replicate that to the IDS/IPS host. Is there a way I can mirror traffic from FA 0/1 (the trunk link) to a regular access port on the switch which would connect to the IDS/IPS?
I have seen several articles on Cisco.com saying that you can have a source port as a multi-vlan link, but others say it is not possible. I did not have a chance to get into the lab to test this yet or else I would have.
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