Cisco Switching/Routing :: 3560G Upgrade Required

Feb 20, 2013

I have a  WS-C3560G-24TS-S running  12.2(50)SE5 with IPBASE. I have been told that the functionality i seek (multicasting) is only available in the IPSERVICES version of the software. I was reading up on upgrading and saw that i needed to do a show license and get the UID and Serial number and get a license that is tied to my box. But the show license command doesnt work wtih my box. i then found something that said that the 3560's were special in that way. Im not sure how to get this box upgraded. I have a different 3560 running the IPSERVICES elsewhere in my organization. Can i take the IOS Version and  update my switch to that?

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Cisco Switching/Routing :: 3560G Switch NTP Not Sync After IOS Upgrade?

Feb 21, 2012

We have two 3560G-TS-E running 12.2(35)se2, configured as HSRP. Both are running ntp config "ntp peer" and it's pretty well that they get the correct time. Yesterday I upgraded the second device to IOS 12.2(58)se2 and ntp doesn't work now. I checked doc that 12.2(58)se2 runs ntp default version 4 so I change to "ntp peer version 3" but still not work. I put here "show ntp" result for different IOS.
IOS 12.2(35)
SW01>show ntp status
Clock is synchronized, stratum 2, reference is
nominal freq is 119.2092 Hz, actual freq is 119.2022 Hz, precision is 2**18
reference time is D2EF12A5.2EB2DCB2 (15:07:17.182 GMT Wed Feb 22 2012)
clock offset is -4.6616 msec, root delay is 57.50 msec


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Cisco Switching/Routing :: Catalyst 6509E Upgrade IOS Required Memory Size

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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Cisco Switching/Routing :: 10Gb Ethernet Connectivity Upgrade Required Between 2 6509s

May 1, 2012

We currently have 2 6509s with redundant Sup720-3b's and PFC3B daughter cards which are connected together over dark fibre using the Gb fibre connectivity built into the supervisors.
The requirement is to upgrade this connection to 10Gb as inexpensively as possible.
Do I need to purchase new supervisors in order to do this properly or can I use a separate 10Gbe module (we have a spare slot), i.e. can I get away without using the connectivity built into the supervisors?
The other idea I had was putting a couple of 3750-X switches at each end to sit in front of the 6509s and provide the 10Gb connectivity between sites.  I could then use the existing Gb uplinks on the supervisors whilst also providing connectivity for some devices that currently connect to the 6509s but could just as well connect here.

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Cisco Switching/Routing :: PIM Joins Not Switching Through Catalyst 3560G

Aug 2, 2012

I have the network described below, on which I am running PIM.
(network) ---- Embedded Linux Router --(vlan 5)-- CAT 3560G --(vlan 5)-- Cisco 1811 Router ---- Multicast Listener
The Linux Router and the 1811 have formed a PIM neighbor relationship.  The multicast listener sends an IGMP Join and I can see the PIM join leave the 1811 router (via "debug ip pim"). Using tcpdump on my linux router I never see the Join come in, but I can see the PIM Hellos (which is why the neighbor relationship formed).

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Cisco Switching/Routing :: VLAN Routing To Internet Through Firewall 3560G

Jul 24, 2012

Since two weeks I have a problem with the VLANs who I started to configure. I hope together we find the way.I have 5 VLANS configured in a CISCO 3560G switch. In my windows server 2003 I configured DHCP scope for each VLAN.One of the requirement to connect vlans each other is to put the IP of each vlan as gateway in the clients.So, how can I do to access to internet?. The ip of my Firewall are in one of the VLAN´s.When the configuration of the LAN only had one DHCP scope the gateway was the ip of my firewall. But now i don´t know how to configure the DHCP server, or the firewall, or the switch, or all of them To get access to internet.

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Cisco Switching/Routing :: 3560G - How To Setup Per Vlan Routing

May 14, 2013

I'm trying to set up per vlan routing on a 3560G switch but it's not performing as I would expect. I've got a server on the 109 vlan with a address and a default gateway of this address is an HSRP gateway and currently resides on When I traceroute through to my user PC on the internal network it receives a response from However, it is then denied by an ACL on the internal firewall which has been applied to interface Eth0/0. It should arrive at the firewall on Eth0/2.109 as it has the address.
My goal here is to route traffic on the 101 vlan to a seperate interface on the internal firewall from 109 vlan traffic. I'm either doing something wrong or these routing commands aren't designed to work in the way I'm expecting (I couldn't find any documentation on the ip route command where it is followed by different gateways for different vlans)
interface GigabitEthernet0/12
description Internal-FW Eth0/2
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 109
switchport mode trunk(Code )

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Cisco Switching/Routing :: 3560G - PBR Support

Feb 2, 2012

I have a 3560G switch with c3560-advipservicesk9-mz.122-46.SE and 2 routers. The switch has vlans defined. I want to route all traffic on vlan 25 out of one of the routers exclusively. Here is what I have attempted: 

-Set the SDM template to routing & reload
-Define an access-list for the v lan traffic
-Define the route-map
-Apply the route-map to the vlan interface
When I attempt the last step I receive the following syslog error:

%PLATFORM_PBR-3-UNSUPPORTED_RMAP: Route-map RM_IMDGuest not supported for Policy-Based Routing
Also, the  route-map is removed from the vlan interface after this error is thrown. Im 99% confident that PBR is supported on this switch (am I wrong?). Here is the relevant show output:...

access-list 125 permit ip any
route-map RM_IMDGuest permit 10
match ip address 125
set ip next-hop

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Cisco Switching/Routing :: 3560G - Routing Between 2 Locations

Jan 24, 2013

I was assigned a task to connect two locations through a L2 VPN, The infrastructure which i have are...

Fortigate 80 C firewall at Location A
CISCO 3560G at Location A
CISCO 3750G at Location B
2 MBPS Leased Line connecting two locations.
T1 line at Location A.

The requirements are as follows..

Both locations should be in the same ip range (ex Internet for Location B should be from Location A, both locations should talk to each other.

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Cisco Switching/Routing :: Minimum UPS For Catalyst 3560G-48-Poe?

Oct 2, 2012

We have 2 catalyst 3560g-48-PoE protected by a 1000Va 800Watt tripp-lite and I was cheking to see if that is really sufficient. Looking at the charts from Cisco suppport  I would think I should have more, but have not had any issues with a few power outages

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Cisco Switching/Routing :: Switch 3560G PoE-24 Not Booting?

Aug 13, 2012

i facing problem with my switch cisco 3560G, when it power on only System light is green and noting happen.  i check with serial cable ( Console) but noting happen  no booting.

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Cisco Switching/Routing :: 3560g And Set Ip Default Next-hop Command?

Apr 18, 2013

I have 3560g with 15.0(2)SE2 version. I try to give different default gateways for different interfaces.I've already changed the sdm, run "ip routing" and made interest interfaces in "no switchport" with ip addresses.

my route-map is "
route-map ABC permit 10
set ip next-hop"

and it is applied on the interface with "ip policy route-map ABC" but  when I try to apply it says "%PLATFORM_PBR-3-UNSUPPORTED_RMAP: Route-map ABC not supported for Policy-Based Routing" everything is fine if I change from "set ip default next-hop" to "set ip next-hop" but it is not I need in the guide of the version it is said this statement is not in unsupported list of route-map commands.[URL]

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Cisco Switching/Routing :: 3560G Does VTP Depends On BPDU

Aug 13, 2012

We currently have two 5548UP and  two 2232PP switches running on  5.1(3)N2(1a)  and the plan is to connect our old 3560G switches to 2232 PP using enhanced Vpc.
I enabled spanning tree bpdufilter on the 2232 PP ports so that we can connect switches to them but VTP is not working on those ports. Is there anything that needs to be done on the HIFs for VTP to work.Does VTP depends on BPDUs? Does enabling Bpdufilter affects VTP?

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Cisco Switching/Routing :: Throughput Of Etherchannel On 3560G

Nov 27, 2012

We have a problem with the throughput over etherchannel in LACP with 2 or 4 ports. It is iSCSI traffic (vmware esxi 4.1 U3) is going from 2 separate NICs (ports) to the etherchannel (with 2 or 4 ports) that has a SAN connected (Nexenta).

The SAN is configured in passive LACP and the switch is in active LACP.  Actually it does not matter if we do LACP or just MODE ON, still same result: ~1GBit/s throughtput in either direction.  Like already mentioned, 2 or 4 ports in the etherchannel make no difference, or the configuration of the etherchannel.

I will post some config data below, but here is the question: Why can't we see traffic beyond 1GBit/s?  Source and destination are capable of doing much more than that (vmware esxi RAID 5 of 1TB SATA; SAN 16 x 1TB NL-SAS). If we look with CNA, we can see that the traffic is balanced equally over the etherchannel ports. With or without QOS or flowcontrol, no difference. This whole traffic happenes on this switch. 
port-channel load-balance src-dst-ip
interface Port-channel5


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Cisco Switching/Routing :: 3560G Random Spike In CPU On Switch

Jan 12, 2013

We have a Catalyst 3560G 24 port POE switch.  It's been running fine for 1+ years.  A few weeks ago we enabled SPAN on it to capture packets.  Today, we had a random spike in CPU on the switch.  Seems hardware swithing continued to work fine, but software based processes choked and effectively took down EIGRP, HSRP, etc.  We collect syslogs from the router and we saw 2 crashes/reboots.  Both showed the exact same error both times, with the same hex values.  I **believe** the CPU usage dropped when a tech disconneted the SPAN port and it's state changed to down, but I'm not 100% sure.Could this indicate an IOS bug (I'm hoping it's not a hardware failure)?  And, how to track this down to see if this could be related to SPAN?  I've disabled SPAN for now.

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Cisco Switching/Routing :: Hosts Can't Reach Each Other In Same VLAN In 3560G

Nov 19, 2012

We have recently started as Internet service provider in an open metropolitan.
We use a Cisco 3560G Layer 3 switch, where we have all our vlan where we have konfiguerat ex. Switch (config) # interface vlan 150, an interface for each VLAN capabilities such as int vlan 1 - 10/10 int vlan 2 to 30/10, int vlan 3 100/10 and so on.
Our int vlan is configured as follows:

dhcp relay information trusted
ip address <x.x.x.x> <x.x.x.x>
ip helper-address <x.x.x.x> 
Ports (ex. int Gigabit Ethernet 0/1) are configured as follows:
description Uplink
switchport access vlan x

Now the problem; we have a customer in ex. vlan 3 who needs to access a server provided by another customer in the same vlan (vlan 3), and access to each other in the same vlan is not possible. You can access the server from any other vlan, but when it comes to access to another host in the same vlan, you will not reach it.

We suspect that the energy company has configured with pvlan isolated. If we use the command ip local-proxy-arp on each vlan, it works to reach each other, but it seems that our 3560 becomes overloaded when ip local-proxy-arp is enabled and it streaming and use IP telephony it doesn't work. The response time at ping is longer and the loss of packets increase with ip local-proxy-arp enabled. The other operators in the metropolitan also uses Cisco 3560G so the hardware should be sufficient.

We have also tried to add no split-horizon, but it made no difference. How do we get around this without negative consequences? Probably need something that makes you allow to send out the same interface that it came from, because it works as long as you are in another vlan.

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Cisco Switching/Routing :: 3560G / Getting Clarification On Upgrading And Licensing

May 19, 2013

I currently have a 3560G switch running c3560-ipservicesk9-mz.122-58.SE2 I have a spare 3560 V2 switch I want to configure and have ready in case of a failure. This spare switch is running c3560-ipbasek9-mz.122-55.SE5 My plan was to pull the IOS image from the current switch and upload it to the spare that way I have an "idnetical" switch. From what I have read, there are some feature differences between "ipbase" and "ipservices". However, when I run the show license command on the production switch, I get an unrecongnized command error. So that throws into my confusion as if its running an ipservices image, shouldn't it have a license file?

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Cisco Switching/Routing :: 3560G Found Error And Not Able To Recover

Mar 2, 2012

on IOS versions higher than 12.2(50) on Cisco 3560G-48TS I get this error/traceback, when I reach a certain number of Access-lists group'ed to "interface vlan", and the ACL inserted in the TCAM reaches acl label #128 (can be seen with : Show platform acl label 128)I can see errors in the TCAM if I issue the command

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Cisco Switching/Routing :: Getting A Connection Between PA-GE And 3560G Switch (4 SFP Ports)?

Jan 22, 2012

I've a 7206VXR (NPE-G1) router. I would like to purchase a PA-GE port adaptor where I've to use a GBIC connector.
1. Is it possible to have a connection between PA-GE and a 3560G switch (4 SFP ports)? If yes, what type of cables & connectors are to be used?

2. Is there any GigabitEthernet port adaptors / modules for 7206vxr where I can connect RJ45 (cat 5) or SFP modules?

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Cisco Switching/Routing :: To Enable InterVLAN MultiCasting On 3560G

Feb 11, 2013

How do i enable InterVLAN MultiCasting. I have a WS-C3560G-24TS as my core switch and it does InterVLAN Routing. I have a Server VLAN (70) and Workstation VLAN (71). I have a server that i have set up to deploy  images to computers. Up to this point i have only done one computer at a time, so unicasting was ok. I would like to be able to Multicast to multiple computers, but am unsure what i need to do on the switch (if anything) to enable this.

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Cisco Switching/Routing :: High Output Drops On 3560G?

Oct 8, 2012

We are seeing some high output drops on our 3560G's and I'm wondering if there is anything I can do to solve this, or should I just be looking at an upgrade.I do not have qos enabled:
do-rs-ah-3560g#show mls qos
QoS is disabled
QoS ip packet dscp rewrite is enabled
I don't have anything special configured apart from some trunk ports, otherwise its mostly defaults.Should I enable qos and tweak the buffering?

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Cisco Switching/Routing :: High CPU Utilization In 3560G-24TS

Jan 2, 2013

getting CPU utilization around 62% 
CPU utilization for five seconds: 54%/6%; one minute: 61%; five minutes: 61%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
35 82081 9642 8512 0.31% 0.21% 0.18% 0 Compute load avg

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Cisco Switching/Routing :: PBR On 3560G With 1811 And 1841 Attached

Oct 30, 2012

My question is wrt policy-based routing on my network. Our switch is a 3560G 24PS running Adv Ip Services image. It is connected to an 1841 and an 1811 each with a dual-wan connection . The 3560 defines 6 vlans and we are using PBR to route some vlans via the 1841 and some vlans via the 1811.
From a client on one vlan a traceroute to a client on another vlan goes through the 1811 before being routed back to the 3560. Is it possible to use PBR to detect traffic that is destined for another vlan on the same switch and then route it directly?

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Cisco Switching/Routing :: 3560G - IOS DHCP AP Loosing IP Address

Nov 13, 2012

Not sure if this is a problem with the switch or the wireless AP connected to the switch, but I have a couple of 3560's, one is a 3560G and the other is a 3560, both have phones and wireless ap's connected to them.  The ap's on both of these switches continue to loose there ip address and thus disconnect from the controller.  This happens about once a week, but the odd thing is that the phones never loose there ip address.  All of my other 3560s and 3560g's that have AP's and phones connected are working fine.

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Cisco Switching/Routing :: Connection With L2 EtherChannel Catalyst 3560G

Apr 11, 2012

to resolve a problem with L2 etherchannel -when I add VLAN on Portchannel, this VLAN does not appear in config Members of this Po, so after reboot Portchannel does not work: "...and will be suspended (vlan mask is different)"
I try to simulate it on test switch in office, but problem does not appear! Both switch are Catalyst3560G with same IOS.
1. SW in real network segment: 
Model revision number           : D0
Motherboard revision number     : B0

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Cisco Switching/Routing :: Configuring OSPF On A Layer 3 Switch 3560G

Apr 12, 2013

Configuring OSPF on a catalyst 3560G Switch to connect to our building next door by way of fiber.  The other two switches in the other building are running OSPF, I am trying to connect to the other building and access a server which is on a switch running OSPF.  I am trying to configure the switch here to run OSPF and be able to see the neighbor, but currently can't although I've identified the networks.  Maybe I'm missing something, I've followed the instructions but  something is not right.

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Cisco Switching/Routing :: 3560G-48PS-S - PoE Lockout After Power Outage

Oct 27, 2011

We had some problems with 3560G-48PS-S switches and PoE for our phones. IOS is 12.2(50)SE3. There were some problems after power outage. The switches didn't reboot because we have two eletric circuits. But after the problems we had no PoE on all ports.
The switches logged to following syslog message:
%ILPOWER-3-CONTROLLER_PORT_ERR: Controller port error, Interface Gi0/17: Power Controller reports power supply VDD under voltage
I can't find any informations in the error message decoder for that. But there was another thread here with quiet the same message, but another problem regarding RPS2300.
After reloading the device all works fine again. The workaround with the commands "power inline never" and "power inline auto" I didn't know till today.
Some information about that syslog message?
My guess is that there was a voltage swing and the switch powered down its supply? Is that possible?

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Cisco Switching/Routing :: 3560G Input And Crc Errors Only On Built In Ports?

Mar 11, 2013

I have an odd situation where I cannot get a device connected to a built in switchport with out input and crc errors.  When connecting to a GLC-T sfp it works fine.Here is my test layout
Outdoor wireless AP --- 10' of cat6 cable --- Gigabit POE injector --- 10' Cat6 cable --- 3560G port 48.  (input and crc errors)
When I do this there are input and crc errors on the switch port.  This has been confirmed on three different switches and three different outdoor AP's.  We though at first it was the injector, but when we run the same setup, but instead connect the device to port 49 with a GLC-T sfp there are no errors.
Outdoor wireless AP --- 10' of cat6 cable --- Gigabit POE injector --- 10' Cat6 cable --- 3560G port 49 (GLC-T).  (No errors)
I have upgraded the 3560G to the latest ios and still it has the same problem.  If I run the same setup to a 2960 there are no errors at all.
Outdoor wireless AP --- 10' of cat6 cable --- Gigabit POE injector --- 10' Cat6 cable --- 2960 port g0/1  (No errors)
I have also tried manually setting the speed on the 3560G with no success. 

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Cisco Switching/Routing :: 3560G - Avoid Using Connected Network With VRF3560G

Apr 19, 2012

I have a 3560G connected to an ASA FW, both running layer 3 and hosting 6 or so VLANs. The switch is the default gateway for all VLANs (client request) and therefore see's all networks as connected. I used route maps to push the traffic from the switch to the FW so that it got firewalled before being delivered, but I cannot use one of the commands for failover should the FW fail (I wanted to route locally should the FW fail). If I placed all VLANs in their own vrf, NETA would not longer see NETB as a connected network and would follow the route to the FW's NETA interface. I could then inject the connected into each vrf but adjust theirf metric so that they are less preferable than the route to the FW. Should the FW route die, the next route would become active and traffic would route internally to the switch.

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Cisco Switching/Routing :: Static Route Tracking On Catalyst 3560G?

May 25, 2013

I am trying to implement static route tracking on  a Catalyst 3560G ( WS-C3560G-48PS, IOS version 12.2(35)SE5 and SW image C3560-IPBASE-M). The configuration is as follows:
track 101 rtr 1 reachability
rtr 1
type echo protocol ipIcmpEcho
rtr schedule 1 life forever start-time now
IP address is reachable via ICMP (its the next-hop router).

The static routes configured are the following:
ip route track 101
ip route 20
But only the secondary route(ip route 20) its being installed on the routing table by the switch.

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Cisco Switching/Routing :: 3560G Routed Port Connected To E1 Converter?

May 25, 2013

I have made a routed port on 3560G Switch and defined a pool and connected to E1 converter RAD (4E1 to 4 FE) the E1 media is through Microwave on the other end same E1 converter is connected through layer 2 switch and defined a pool as of routed port configured in 3560G switch.
The port is generating lot of giants and after a while it also distrubs other routes ( Port1 to Port 16), configured with Vlan11 and port 22 as routed port.I have checked the routed port through wireshark the maximum frame size is 1514 and configured the MTU to 1514, giants are not showing any more but after 10 to 12 hours switch gets hang. Either to shut the port or to reload the switch to get switch and other layer routes to be normal.
I have checked speed and duplex settings same as E1 converter. Full duplex. 100 Speed. Why switch is not behaving normal. If I shutdown the routed port it is normal.
1. interface GigabitEthernet0/22
no switchport
ip address
flowcontrol receive on


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Cisco Switching/Routing :: 3560G / Establish The Redundant Network Like For The Edge 2960G?

Mar 25, 2013

i have 2 no of  3560G in our core,  now my requirement is to establish the redunent network like for the edge 2960G using stack or some other way ...

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Cisco Switching/Routing :: 3560G And 2950 Switch Trunk Discard Errors

Apr 15, 2010

I have two 3560G 24 port switches. Each of them connects to some 3560G or 2950 switches. Trunks between 3560G are set as 1000/full. Trunks between 3560G and 2950 are set as 100/full. show int status also shows the interface negotiation is 100/full for trunks between 3560G and 2950. The issue is I keep getting outdiscard errors in trunks between 3560G and 2950. At 2950 switches, I see Recv-errors too. I checked all the trunks traffic. They are totally not high. Only serveal mbps. Most time even lower than 1mbps.
I googled this kind of issue online. I see it could be possibly caused by high volume traffic higher than the capacity. But it appears the traffic there is not high enough to cause this kind of issue. Is there any possiblity that could cause this problem?
The below is 3560G trunk configuration for 2950 switch
interface GigabitEthernet0/10 switchport trunk encapsulation dot1q switchport trunk allowed vlan 1-122,124-4094 switchport mode trunk speed 100 duplex full srr-queue bandwidth share 10 10 60 20 queue-set 2 priority-queue out mls qos trust cos auto qos voip trust
the trunk configuration at 2950 switch: interface FastEthernet0/24 switchport trunk allowed vlan 1-122,124-4094 speed 100 duplex full

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