Cisco Switches :: ESW-520-24p Not Able To Connect To Catalyst 3560G

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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Cisco Switching/Routing :: Key Functional Differences Between Catalyst Switches 3560E / 3560X And 3560G

Dec 1, 2011

I need to know the key functional differences between the Catalyst switches 3560E, 3560X and 3560G.

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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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Cisco WAN :: Catalyst 3560G - Limiting VLan Access?

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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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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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 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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Cisco :: Catalyst 3560G Series Switch - Wrong Temperature Reading

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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Aug 30, 2011

Our customer use catalyst switch that spanning tree be PVST+ mode.I take SG300 connect with this catalyst switch.Does it support ?If it support,how to config on SG 300 ?

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Jun 4, 2013

Are there any best practices for preventative maintenance on Catalyst Chassis switches.  Looking to build a PMI schedule for a customer.  Or is there evidence not to perform it at all.  Things like re-seating line cards, cleaning fan exhausts, etc. 

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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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Make High Availability Between Two Cisco 3560G Switches?

May 7, 2012

We want to make High Availability between two Cisco 3560G switches. Can you tell how we should proceed?Is there any HA module available for Cisco 3560G?

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Cisco :: GUI For Catalyst Switches?

May 22, 2012

is there any GUI via web (like SDM for routers) to configure catalyst switches(eg 3560 or 3750)?

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Cisco Catalyst Interoperability With Brocade ICX Switches

Feb 12, 2013

At the moment our whole company is equipped with Catalyst switches ranging from 2950, 2960 to some 3560G and 3750X (Cores). Now I'm thinking of replacing some of the old 2950s (which are only fast ethernet) with some Brocade 6430 or 6450s, since they're so much less in pricing.My concerns though are: will spanning tree work problem free, access lists still work and any other problems I could encounter with interoperability.According to Brocade most of these things should work fine, but I'm searching for some facts from people who are running a heterogenic Network with these two brands (even the same product lines).

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Cisco LAN :: Two Logical Switches Within One Catalyst 3560

May 20, 2012

I have purchased two catalyst 3560 switches (with 24 interfaces) on Ebay to prepare for ccnp switch exam. It would be great if I have 4 switches. Is it any possibillity to create two logical switches from one? I mean, not by assigning interfaces to different vlans?

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Cisco :: Catalyst 2960S Series Switches Supported In LMS 2.6

Jul 25, 2011

I have a CiscoWorks LMS 2.6 and i would like to know if the new Switches Catalyst 2960-S Series are supported with this LMS version?

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Cisco :: 3550T Catalyst Switches Shows Cable Not Connected

Apr 12, 2012

Device: Cisco 3550T Catalyst ...Tested working all ports Configured Speed/Duplex both manually and set to auto with same result Problem: No connection when connected to specific Motherboard/Lan chipset that is using Realtek PCIe GBE Family controller (NIC)

Motherboard1:When connected to the 3550T the LED is amber for maybe a minute then goes off

Motherboard2:When connected to the 3550T the LED is Green but Motherboard Nic is amber.In windows under adapter settings, Local Area Connection Both Show red X

Motherboard1:

Os: Win7 Sp1 x64 w/latest updates
Mb: Gigabyte GA-P55A-UD3 v2.0
LAN: Realtek RTL8111E

Motherboard2:

Os: Win7 Sp1 x64 w/latest updates
Mb: Gigabyte x38-DQ6 v1.0
LAN: Realtek RTL8111B

The ports are only configured with
Switchport access

No other filters or access list? I have tried on multiple Cisco Switches 2950T, 3500 and 3550T with same result. what odd is these pc's can plug into a Netgear or ActionTec(Verizon) type of switch and work fine. Is there some command I need to apply to those ports to make it work with these GBE controllers. Or How do I get these Gigabyte Mobo(NiC) to work on Cisco Switches?

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Cisco AAA/Identity/Nac :: Configuring 802.1x Authentication On ACS 5.1.0.44 / Catalyst 2960S Switches?

Mar 22, 2012

configuring 802.1x authentication on ACS 5.1.0.44 & Catalyst 2960S switches.All the documents i have found seem to have incorrect screen shots or missing steps.I have found a doc external to Cisco [URL]however this just hangs when attempting to complete the task in figure G.The other docs are for configuring IBNS & assume that 802.1x is already configured.

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Cisco Switching/Routing :: Catalyst Blade Switches 3020 For HP

Feb 10, 2013

We have 12 Catalyst Blade Switches 3020 for HP running IOS Version 12.2(55)SE.  In the configuration of these switches I see the statement shown below.
 
no spanning-tree vlan 34,45-55,70,600,643,840,843-850
 
The 12 blade switches are configured as VTP clients and running VTP V2.  I did not configure the statement shown above.  It appered by itself.  And even if I delete it, it will reapper.  (The blade switches are interconnected to two 6509s.  The two 6509s are the STP root and VTP bridges. I configure Vlans and STP on the 6509s).
 
why the statement above appers on the blade switches 3020s?
 
I mean I use other Cisco switches such as 3750s and 3560s and I have never seen the statement above appear by itself.

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Cisco Switching/Routing :: Trunking Between Catalyst 2950 Switches?

May 14, 2012

have setup a small lab as per CBTNuggets. Everything was going well until I introduced a second switch to create a trunk. Now I cannot ping between my two switches. Both show operational mode as down:
 
SWITCH1#show interfaces f0/12 switchport
Name: Fa0/12
Switchport: Enabled
Administrative Mode: trunk
Operational Mode: down
Administrative Trunking Encapsulation: dot1q

[code]....
 
I have tried to allow all vlans or vlan 1 specifically and the output of the above doesn't seem to change. I am wondering if there is something in the config-register that is preventing trunking, but I don't really know enough yet!

The output of my second switch is identical to this one, the only difference is that I have it configured as a vtp client.

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Cisco Switching/Routing :: SFP-10G-ER Is Not Supported On Catalyst 3750-X And On Other Switches

Sep 23, 2010

SFP-10G-ER are not supported on Catalyst 3750-X and on other switches ....
 
%PHY-4-SFP_NOT_SUPPORTED: The SFP in Gi1/1/1 is not supported
 
Why ?When will ER be supported ?

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Cisco Switching/Routing :: Auto-QoS On Catalyst 3750 LAN Switches?

Aug 12, 2012

why the AutoQoS macro does not implement "priority-queue out" when configured on the 3750 platform running certain versions of software. The only other platform I have experience with AutoQos is on the 4500 and it enables priority queuing as expected. So what's up with autoqos on the 3750 on version 12.2(35)SE5?
 
When it comes to configuring QoS on campus user/phone access ports there are some important settings that can and should be considered but one can argue that enabling the priority queue is the single most impactful or important command. So I was very surprised and concerned when I didn't see priority-queue out. Cisco describes AutoQoS as a simple, quick way of deploying QoS on the LAN and it precludes you from having to learn all of the differences between hardware platforms. But is it true that this tool produces an incomplete config solution? Let me know if I am missing something.
 
Here is an example of what AutoQoS produces when applied to a 4507 with WS-X4648-RJ45V+E:(other interface commands are left out for simplicity)
 
interface GigabitEthernet5/25description XYZ
switchport mode accessauto qos voip cisco-phoneqos trust device cisco-phoneservice-policy input AutoQos-VoIP-Input-Cos-Policyservice-policy output AutoQos-VoIP-Output-Policy
 policy-map AutoQos-VoIP-Output-Policy
class AutoQos-VoIP-Bearer-QosGroup
set dscp ef

[code]......
 
Here is an example of what AutoQoS produces when applied to a 3750 running version 12.2.(35)SE5: (no priority-queue out)
 
interface GigabitEthernet1/0/36
switchport access vlan 8
switchport mode access
srr-queue bandwidth share 10 10 60 20
srr-queue bandwidth shape 10 0 0 0

[code]......

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Apr 23, 2013

My customer uses WS-C3560G-48TS-E switches in air traffic control systems. A requirement for one project is that the entire system be up and running in under five minutes. The WS-C3560G-48TS-E and its replacement - WS-C3560X-48T-E with C3KX-NM-1G - take about four minutes to start up. With other devices added in they exceed their required startup time.They also use WS-C3560V2-48TS-E switches which take about two minutes to start up but they want they GE.
 
1) Is there way to improve the start up time in the WS-C3560G-48TS-E and WS-C3560X-48T-E switches?
 
2) Is there another Catalyst switch with similar specifications to WS-C3560G-48TS-E and WS-C3560X-48T-E that has a quicker start up time.

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Cisco Switching/Routing :: Do The Catalyst 2960-S Switches Support Pre-standard PoE?

Jun 14, 2012

I have a customer with Cisco 7940 and 7960 IP phones that they do not plan to replace. They do want a new LAN and are looking at the Catalyst WS-C2960S-48FPD-L and WS-C2960S-24PD-L as access layer devices.
 
these switches support the Cisco pre-standard PoE required by the 7940 and 7960 IP phones.

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Jan 8, 2012

We just purchased (3) WS-C2960-24CT-S and (1) 3750G, what's the proper way to cascade this switches? Do I need to use crossover cables from port to port? Do I need to change the mode for the ports to use?

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Feb 3, 2013

Could you provide me the main differences between SG500 and Catalyst 3750 command set?

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Any one who knows where I can find a documentation where it says the maximum switches per stack for the Catalyst 2960 family?

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Dec 15, 2009

I have couple of Linksys SRW 224G4 and SRW 2024 connected together with Cisco C3650 switches. For my part of network VLAN100 is used as administrative vlan and VLAN1 as defult (on trunks or unused ports).Altrough most of switches work fine, on all older models of SRW224G4 (hw 1.0, various firmware versions) there is no connectivity to management utilities (also ping won't work) via trunk (where of course VLAN100 is present). At the same time there is no problem with access from "local" ports (assigned to VLAN100) and there are no problems with traffic on VLAN 100 along the network.
 
For example:Two computers (A and B), two switches (sw1 - old SRW224G4 and sw2 - Cisco switch), are connected as follow:
A--VLAN100--sw1--TRUNK--sw2--VLAN100--B

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Feb 19, 2013

We have a couple of Cisco switches and connected a (Windows 7) laptop to one of them and it gets its IP address from a DHCP server.I can now ping the IP from all of the switches, no problem, also not when I log on to the core switch in the same VLAN as both notebooks. But from my (Windows 7) laptop, which is in the same VLAN as the target laptop, I cannot ping it.
 
I checked, default gateway is good on both sides, as are DNS servers.
 
Target notebook ---- Catalyst 3560 V2 switch === Core Catalyst 3750 switch (stack) === Catalyst 3560G switch --- My notebook

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Oct 31, 2012

How can I configure Cisco 200 (SG200-08P) to learn Voice VLAN and CoS/DSCP from upstreamCatalyst 2960?
 
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Dec 17, 2012

We have an existing network with a Catalyst 4510 core switch and departmental 3560 switches connected via fiber. Due to company restructure we can no longer afford to buy new 3560's when anything goes wrong so this week I purchased an SG200-26 which I'm trying to get onto the network.
 
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Oct 18, 2011

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Sep 5, 2012

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Jun 4, 2013

I'm working with a customer who has an SGE2000P and a Catalyst 2960 to setup and configure a single mode fiber link.  The SGE2000P has an MFELX1 fiber GBIC and the 2960 has a GLC-LH-SMD GBIC.  When I have the customer plug in his fiber, there is a power light that comes on on the MFELX1 GBIC. Neither GBICs/switches show that a link or activity is occurring, but the presence of that light makes me think that they are connecting somehow. Are these two switches/GBICs compatible?

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