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
[Code]...
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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
[Code]....
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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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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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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 10.199.101.2
rtr schedule 1 life forever start-time now
!
IP address 10.199.101.2 is reachable via ICMP (its the next-hop router).
The static routes configured are the following:
ip route 0.0.0.0 0.0.0.0 10.199.101.2 track 101
ip route 0.0.0.0 0.0.0.0 10.200.52.1 20
But only the secondary route(ip route 0.0.0.0 0.0.0.0 10.200.52.1 20) its being installed on the routing table by the switch.
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Dec 23, 2012
I describe an issue when i need to performe an L2 or L3 Etherchannel from a Catalyst 4948 IOS Enterprise and 2 xCatalyst 6506E bandled with VSS.
From the VSS Side when i plug cables i see on the physicals and Etherchannel that Physical and protocole layer are up. On the 4948 side, I see that physical layer is up and protocol and Etherchannel interfaces are down.
On the Etherchannel port summary i see that the port state is supended.
On the first attempt, i have test with a L3 etherchannel on both side using no switchport with two IP addresses one at each side on etherchannel interfaces.
The etherchannel are bundled with LACP mode active and on the second attempt with PAGP mode ON.
The same configured on VSS 6506E work fine with Catalyst 3560E.
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Jun 20, 2012
I'm configuring two etherchannel groups (2 ports in each) on a 3560 switch. I need to trunk multiple vlans over each channel group.
I created the vlan trunks and allowed vlans on each physical interface. I notice that I can also configure the vlan trunks on the port-channel interfaces that were created. Should I configure them under those interfaces, or leave them on the physical interfaces? Relevant config is below:
interface Port-channel1
!
interface Port-channel2
[Code].....
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Apr 22, 2012
I have 2 x WS-X4548-GB-RJ45 Catalyst 4500 Enhanced 48-Port 10/100/1000 Base-T (RJ-45) line cards in a 4500 chassis with 2 x WS-C4507R-E E-Series Super visor engines. We would like to create a layer 3 ether channel from a access layer switch terminating on our 4500 chassis. Can we configure the ether channel from the access layer switch such that one port on the ether channel is on one line card and the other one is on the other line card?
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Dec 1, 2011
I need to know the key functional differences between the Catalyst switches 3560E, 3560X and 3560G.
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Sep 26, 2012
I came across this Multichassis EtherChannel Features when read about information from Cisco Smart Business Architecture.After checking further, knowing that Cataly stwitch 6500 supports this feature.provide information that beside Catalyst 6500, is there any other model of Catalyst switch can support this feature?
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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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Jun 20, 2012
We have a new building where we added 3 network closets with 3750x stacks.We have 2 fiber gig ports connected to 2 microwave units and etherchanneled the to ports
We have the same setup at the corporate office except the connection is 2 fiber gig ports on a 6509. The 6509 is doing the routing
Now the problem is that we lost the connection to the management interface on only one of the three closets after a few days running. But some workstations at the corp office could reach it... others could not. The workstation were on the same VLAN. We solved the problem for a few days by shutting on of the fiber ports on the etherchannel. But is started happening again... now with PCs being installed at the new location.
The PC that was not working on the 3750x side could ping across to the 6509 but no further then that. It seems like an arp issue not routing because some devices are reachable and fully operational throughout the network.
Here is the configuration:
3750x:Cisco IOS Software, Version 12.2(55)SE1
Current configuration : 118 bytes!interface Port-channel1switchport trunk encapsulation dot1qswitchport mode trunkno snmp trap link-statusend
!interface GigabitEthernet1/1/1description 2gig to STB-6509switchport trunk
[Code]......
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Mar 19, 2013
Does SUP 7E is comatible with IOS? It came with IOS-XE preloaded and there are no IOS software listed under downloads.
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Apr 11, 2012
I followed the 3-switch Redundant stacking diagram and now when I boot up the stack Switch 2 is acutally Member 3 and Switch 3 is Member 2.
We plan on having Port-Channels spanning across Switch 1 - Master and Switch 2 (Member 3) of identical port types. Switch 3 (Member 2) is going to have 2 10GIG port channel created.
Is there going to be a problem renumbering the stack as they physically sit or should I just configure the devices based on thier logical member numbers.
I don't understand why the stack connection is Switch 1 - 1 ----> Switch 2 -1
Switch 2 - 2 ----> Switch 3- 1
Switch 3 - 2 ----> Switch 1 - 2
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Jun 27, 2012
I recently lost my configuration when attempting to reset the password for our Cisco 3560g switch, the switch connects to a Cisco 4506 switch via fiber back to our main office.
I have the switch temporarily routing all traffic to our 4506 by using the default route of 0.0.0.0 0.0.0.0 10.10.10.254 but the same switch is connected to a cisco 2600 router that is on a 10.10.20.0 network and the 3560g is on a 10.0.0.0 network.
Host computers sit on the 10.0.0.0 network, but they need to go to the 10.10.10.0 network for internet, domain, etc the same computers need to go to the 10.10.10.20 for remote connections and other services.
The address of the 3560g is: 10.0.0.254
The address of the 2600 is 10.10.20.2
When the default route is set to 0.0.0.0 0.0.0.0 10.10.10.254 (4560 switch) domain browsing works perfectly
When the default route is set to 0.0.0.0 0.0.0.0 10.10.20.2 (3560G) switch I can ping any ip address in that range and the address on the other
interface ip adresses on the 2600 (eg. 10.10.30.1 / eth2, 10.10.40.1/ eth3 etc.)
I have tried to weight the routes after adding them both to the configuration, but that doesn't seem to work at all.
The switch connects back to the office via vlan1 (10.10.10.253)
The 2600 is connected to port 1, which belongs to Vlan2 (10.10.20.1)
And client computers sit on ports 2-12 belonging to Vlan10 (10.0.0.240)
So in a nut shell, how would I go about setting it up so the machines on 10.0.0.0 can connect to 10.10.20.0 and 10.10.10.0 and vice versa at the same time? Everything was working fine until I rebooted the switch (3560g), which makes me think the person that configured this before me didn't save the running config to the start up config.
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Sep 27, 2010
a customer purchased a ESW-520-24p to be used in a VoIP project. Today we had difficulties connecting it to a Catalyst 3650G switch; We've tried setting the port to trunk, general, customer and access and changed all sorts of VLAN settings on the 3560G switch to no avail: the switches just wont interconnect. While sniffing we saw that ARP requests are even not answered, so something is wrong on a low level, probably with VLAN-ing.if these switches should be able to be interconnected and if yes, what needs to be done to do so?
Secondly; voice will be on seperate VLAN and the client will use SPA942 phones, which have an internal switch that allows to connect a PC to it. I've used this phoned successfully with Catalyst Express switches and I didn't have to do anything for VLAN-ing, this worked "out of the box". Can these phones work with the Small Business switches as well?
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Mar 12, 2012
Having an issue with two Cat 2940, they have fiber 100Base-TX. Added a new Cat switch (the second on the VLAN), the existing Cat switch drops the fiber connection.
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Jan 27, 2011
I have three VLANS set up on my Catalyst 3560G switch. Each VLAN has its own subnet and I have enabled IP routing and set up my VLANS so that clients on VLANS 1 and 3 can get to VLAN 2 because they share a server located on VLAN 2. However, now they can also see and get to each others VLANS! How I can allow my clients on VLANS 1 and 3 access a server on VLAN 2 but not access the other VLANS? I don't want VLAN 1 to get to VLAN 3 or VLAN 3 to get to VLAN 1.
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Oct 29, 2012
I have 2x6500s series catalyst core switch. i configurated vss. all them are working normal. but i have one problem. some of my servers link is down sometimes. I configurated server links as etherchannel.at etherchannel not both of links down only one link down.this modules i used to connect servers to core switch. modules 3 and 7 slot.
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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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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 10.1.9.100 address and a default gateway of 10.1.9.1 this address is an HSRP gateway and currently resides on 10.1.9.7. When I traceroute through to my user PC on the internal network it receives a response from 10.1.9.7 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 10.1.9.4 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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Sep 20, 2012
I have a question regarding fabric storage and cisco catalyst switch 3650.My plan is connecta a esxi server to a nexus switch and then to a san storage. I want add a new switch to have a redundant link between esxi and the storage.Can I use a cisco catalyst 3650 with a fiber conecction to connect the HBA esxi server card to 3650 sw and the SAN storage to the 3650 sw ?
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Feb 26, 2012
I am trying to get the temperature reading from one of our 3560G Switches using SNMP. When I run an snmpget on the Switch it returns back to me a "1".
So when I run the following I get:
> snmpget -v1 -c public 192.168.x.xxx 1.3.6.1.4.1.9.9.13.1.3.1.3.1005
SNMPv2-SMI::enterprises.9.9.13.1.3.1.3.1005 = Gauge32: 1
But when I telnet to the device and run a "show env temperature status" I get:
# show env temp status
Temperature Value: 32 Degree Celsius
Temperature State: GREEN
Yellow Threshold : 51 Degree Celsius
Red Threshold : 61 Degree Celsius
So I'm not sure why I am getting a "1" when using snmpget on the OID 1.3.6.1.4.1.9.9.13.1.3.1.3.1005 which is (ciscoEnvMonTemperatureStatusValue)??
If I run the same OID on another 3560G Router I get the correct output from snmp....
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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 192.168.25.0 0.0.0.255 any
route-map RM_IMDGuest permit 10
match ip address 125
set ip next-hop 192.168.5.3
[code]....
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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 10.80.71.1/24) Internet for Location B should be from Location A, both locations should talk to each other.
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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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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 192.168.77.3"
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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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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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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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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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
[Code].....
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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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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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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