Cisco Switching/Routing :: L2 Tunneling 4503 SUP2+TS?
Sep 16, 2012
I need to implement over an ethernet link L2 tunnel because I want to isolate another VLANs domain.On the first side I can use the command : sw mo dot1q-tunnel on a new C4503 on the other side I cannot configure the command : sw mo dot1q-tunnel.
the other side is an old C4503 we upgrade the flash with a compact flash to upgrade to a new IOS v15 but the command doesn't exist also.I red the cisco feature navigator feature and I am sure the dot1Q-tunnel is available on my image : cat4500-ipbasek9-mz.150-2.SG.binso I don't know why I can use it.
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Nov 30, 2011
I need a 10G support on 4503 chassi with SUP II plus TS.Is any of the 10G line cards i.e. 4712 or 4606 supported on SUP II plus TS on 4503?
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Oct 29, 2011
I have cisco catalyst 6509 with 2 x WS-X6k-SUP2-2GE. on the supervisor module is a switchload led indicator . I switch has never load according to load indicator.
Do i need to enable this in the switch config. The switch is running catos
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Sep 18, 2012
I am going to upgarde SUP2 to SUP32 on my 6509 by next week. right now I have 2 SUPs on the 6509 in redundant mode.
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Oct 7, 2012
I need to upgrade 2xsup2 module to 2xsup32 on my cisco 6509. I just found out that I can not have the CISCO WS-X6500-SFM(Cisco Switch Fabric Module switch) with Sup32 and I have to remove 2 xCISCO WS-X6500-SFM2 modules from the switch.I am using this switch as a access switch and most of the ports are 100Mbps.
let me know if the upgrade would be safe or not as far as the bandwidth?
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Nov 11, 2012
we have a WS-X6K-SUP2-2GE running CATOS software, we are facing a TCAM exhaustion.I would like to know the following:
1. during an exhaustion, based on what ACLs will be kept in hardware or moved to software? the name or number gives any precedence to an ACL over another ACL?
2. If the TCAM's utilisation was on the limit and we increased ACEs to a specific ACL, all the ACL will be moved to software or only the new entries?
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Nov 15, 2011
I am unable to find a sample config that doesnt use autoqos.
I need to enable QOS on a 6513 that I am using as a access switch.( loaded with WS-X6148-45AF). I am running SUP2MFSC2 with IOS and autoqos is not supported.
Below is my IOS version and my requirements.
Requirements:
Trust CoS and DiffServ Value coming from Avaya equipments
DiffServ=46 for Audio and DiffServ=26 for Signaling
CoS=5 for Audio and CoS=3 for Signaling
I am running the following IOS:
IOS (tm) s222_rp Software (s222_rp-IPSERVICESK9_WAN-M), Version 12.2(18)SXF17b, RELEASE SOFTWARE (fc1)
Sample Port config:( Vlan 709 = Data,Vlan 809=VOIP)
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Jan 18, 2012
There is some way to increase the speed of changing the interface state from DOWN to UP when the cable is connected. I need to configure a port of Cisco 4503 in a way that when a cable is connected the port goes immediatly UP.
A solution can be to keep Cisco interface always UP and I remember that with "no keepalive" command to the interface configuration it was possible. But I tried and nothing happens.
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Mar 4, 2012
i'm performing configuration PBR on catalyst 4503, but it doesn't work. [code]
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Feb 9, 2013
We have microsoft servers and other application servers (around 12 in nos) which should have gig connections to the access switch. In turn this access switch will be connected to our distribution switch 4503. Which model of access switch best fits from the below 3 models. It should be cost effective as well.
WS-C2960 S-24PS-L
WS-C2960-24TS-L
WS-C3560G-24TS-S
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Jan 11, 2012
I am installing a connection between Brocade MLX and Cisco 4503 using SE and SVI's. Below is the config for each. Am I missing anything like MTU Ignore or something along that nature?
*** Cisco 4503 (v15.01) Config ***
VLAN 35
name EOC_Gi1/2
[Code].....
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Sep 2, 2012
I am trying to connect a 6509 switch to a 4503-E switch using single mode dark fiber over a distance of less than half a mile. Although a routine task, it does not work..We have a care 6509 switch where we concentrate all of our dark fiber connections for our remote sites. The 6509 switch already has 30 remote sites, most of them with 4503-E switches, connected in this way therefore it is a tested scenario. For the connections we use the GLC-LH-SM SFPs on both switches. Out of these 30 sites we had a similar problem with two of them, which we solved with the use of CWDM SFPs. With the CWDMs the fiber came up right away. However, I cannot keep using this solution because it is way too expensive! I had the losses of the fiber measured end-to-end and they are negligible (>0.5 dB).
In this latest case, like I said, we could not bring the connection up between the core 6509 switch and the 4503-E switch using the GLC-LH-SM SFPs. I then replaced the 4503-E switch with a 3560 and the link came up! Then I tried using a CWDM-SFP in the 4503-E, while keeping the GLC-LH-SM SFP in the 6509 and the link came alive again! Of course we already tried replacing the fiber patch cords with no luck. [code] I find it very weird for the link to work with the 3560 or with a CWDM in the 4503 but NOT with the SFP in the 4503!
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Jul 8, 2012
I have a 4503 switch (in L2 mode) running 12.1 hooked into a C2950 running 12.1, using regular 4 pair Cat5e cables to connect between them. The 4503 has Gigabit port 2/1 trunking to the 2950's Fa port 0/13.
When I set the duplex mode to DUPLEX FULL and SPEED to SPEED 100 on both switches (for their trunk ports) the link fails, and my 4503 loses connectivity (since it gets it from the 2950).
Here is my config from the switches (per description):
The 4503:
interface GigabitEthernet2/1
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 1,2,100-140
[Code].....
Note, this is the only mode that works (which seems to work fine, but I get TERRIBLE throughput for anything that goes over the 2950.
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Jan 9, 2012
Currently we have cisco 4503 switch in one of our location without redundancy which servers below,
300 user (desktop & ip phones)
5 vlans
15 access switches are connected
one L3 connectivity.
Actually i want to understand is it really necessary to have 4503 or we can go for 4900 series as we are planning to have redundancy in distribution segment.
Which is the best L3 switch in the above scenario and how to measure the overall performance of the current 4503 switch...
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May 18, 2013
After deleting configuration with „write erase“ and reloading, our Cisco Catalyst 4503 with version cat4500e-universal.SPA.03.02.00.XO.150-2.XO.bin, and licence ipbase, doesn't recognize any command regarding SSH. We tried configuring SSH key with „crypto key generate“, but that command is not recognized either.
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Sep 13, 2011
We have Cisco 4503-E switch and software version is cat4500e-universal.SPA.03.01.01.SG.150-1.xo1.bin. Now i have uploaded cat4500e-universal.SPA.03.02.01.SG.150-2.SG1.bin IOS-XE software in the switch and want to boot the switch from this image.
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Feb 14, 2012
We had a core switch(30 vlans) in our environment and it's noticed that CPU utilization of the core switch is showing high during recent days. I have checked logs and processes, but couldn't find the root cause. The issue found only in the office hourly only(after that the cpu utilization is idle and normal). I have already referred the following link to troubleshoot the issue " [URL]
see the following outputs from the core switch
CPU utilization for five seconds: 99%/0%; one minute: 99%; five minutes: 99%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
30 6687557041432420936 466 47.52% 47.10% 45.98% 0 Cat4k Mgmt LoPri
55 30667074884269560256 0 45.36% 45.50% 45.85% 0 IP Input
29 28552856922870089254 0 3.59% 3.50% 3.57% 0 Cat4k Mgmt HiPri
[code]....
Note: Each Invalid source mac entry in each day from same port (above is the output after clearing logs before 3 days)
My queries regarding the issues are following
1) How can we find root cause regarding the high cpu utilization?
2) Is a single invalid mac address makes the cpu highly utilized for suppressing it?
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Dec 17, 2011
I am working with a Catalyst 4503-E with a Sup7-E. I'm trying to enable Netflow, and I have read the following guides: Catalyst 4500 Series Switch SW Configuration Guide, Release IOS ...
I have also enabled Netflow in IOS 12.1/12.2 and figured the process was similar (It seems to be). CEF is enabled, and I have all the pre-reqs according to the document above, however, the flow commands don't exist, they simply say "command unrecognized". I have included my sh version below.
sh version (edited):
Cisco IOS Software, IOS-XE Software, Catalyst 4500 L3 Switch Software (cat4500e-UNIVERSAL-M), Version 03.01.01.SG RELEASE SOFTWARE (fc1)
[Code].....
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Jan 13, 2012
We have two core switches in our network (Cisco WS-4503). HSRP is working as Active-Standby mode. Recently it has been found that core 1 (which is in active mode) shown high CPU load (60% - 100%). Also found that the below mentioned process takes more CPU. Our network consist of around 30 Vlans. We have already checked for the solution in Cisco website [URL] but couldn't find exact reason. see the below outputs for core 1 switch.
Core1# sh processes cpu sorted
CPU utilization for five seconds: 55%/3%; one minute: 65%; five minutes: 71%PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process 30 1606933521086983644 147 24.79% 29.93% 35.85% 0 Cat4k Mgmt LoPri 29
[Code]....
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Apr 2, 2012
Is it possible to do dot1q-tunneling on the new Cisco Calalyst 2960 Compact series switches? I know that the 3560 series support it, but im unable to find any information about the 2960C series, personally i doubt it as the standard 2960 series don't support it.
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Mar 22, 2012
I have a 4503-e with WS-X4013+TS supervisor and WS-X4548-GB-RJ45 card. I purchased a WS-X4648-RJ45-E card and installed but IOS says its unsupported. Supervisor is running 12.2(46)SG software and 12.2(31r)SGA firmware. Obviously I'm hoping this cars can be supported somehow. Do I need to upgrade software or firmware, or return the linecard and get equivalent supported card? Oh, system is running Catalyst 4500 L3 Switch Software. (cat4500-IPBASEK9-M)
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Nov 7, 2011
We have a gateway on a 4503, say on port 2/1, and we only want the other devices that are plugged into the 4503 to be able to talk to the gateway and thats it. The other devices are Motorola TUT DSL devices and they plug into the 4503 directly.
Normally "switchport protected" would make this very easy to keep stuff on one port from talking to other ports but with 4500's you are not able to do that command. So we implemented a MAC Access-List Extended ACL. Here is what we did
mac access-list extended BLAH
permit #host 0000.XXXX.YYYY any
interface range fa 2/5 - 20
mac access-group BLAH out
The MAC address 0000.XXXX.YYYY is the MAC address of the gateway that is plugged into Fa2/1 and the DSL TUT devices are plugged into ports Fa2/5-20. We would think that this config would only allow devices on the TUT DSL to talk only to the Gateway but we don't really think this is happening. The TUT devices are learning about MAC addresses that are on other TUT devices.
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Mar 30, 2012
Do the cisco 4503 switches support virtual clustering feature ? I have a requirement where switch ports on two different 4503 switches need to combined in the same Link aggregation group . This is needed because the firewall notes say that the aggregated interfaces need to be conected to a single switch and combined in the same LAG . So according to the diagram below , the interfaces marked RED need to be in the same LAG in the switches , same for the interfaces marked BLUE . I have done the same setup using Juniper switches where it uses VIRTUAL CLUSTERING to group the different switch ports in the same LAG.
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Apr 23, 2012
We had a core switch(4503) in our environment and recently we tried to enable syslog in the switch. But the syslog server doesnt receives all the configured level messages from the switch. Following is the only message getting in syslog server after the configuration change in switch.
%SYS-5-CONFIG_I: Configured from console by CWLMS onvty1
(No Traffic related messages like acl deny traffic, spanning tree events etc are getting to syslog server as well as log buffer of the switch)
Following are the logging configuration for the core switch
logging monitor informational
logging facility syslog
logging source-interface Vlan44
[Code]....
1) Is there any more configurations required for getting all traffic related messages, (i mean all possible messages - upto level 7 - debugging)?
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May 16, 2012
We had a core switch (4503), distribution switches and access in our network and consists of many vlans. Almost all vlans uses DHCP Pools. But for few vlans DHCP is not yet configured. Recently one of the rogue user in vlan 1 gave the corresponding interface vlan ip of core switch (gateway) as his ip and caused a prolonged network outage for the vlan. Any way we are going to seggregate vlan 1 into different vlans, but before that we need a temporary plan to block such kinds of attack.What are the possible ways we can avoid the network outage problem even if a user gave the gateway ip to the machine?
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Jul 8, 2012
recommend a cisco core switch and access switches in IPTV network infrastructure?I was ask to implement a network for IPTV system but i don't have idea what will be the model i will use.
Core Switch = Cisco 4503
Access Switches = Cisco 3560X
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Feb 7, 2011
We have a 6509 Sup2 at our ISP edge with fiber connection to ISP. I am planning on replacing the 6509 either with 7206VXR-GE2 or ASR 1002.
How do I find out what GBIC is installed on my Sup2 right now where Fiber cable is connected?What GBIC/SFP will be compatible for this on 7206VXR or ASR1002?If I use SFP do I need to change the cable connector?
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Feb 29, 2012
I have a Cisco 4503 with a supervisor 6 engine. I want to create a trunk between the router and a switch. when I do :
switch port mode ? Access
Dot1q-Tunnel
Dynamic
Private-v lan
Trunk
I thought I should see :
switch port mode encapsulation dot1q
switch port mode trunk
Am I missing something I do not see where I set the encapsulation.
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Oct 4, 2012
I have a doubt regarding MIBs. I dowloads the MIBs for Cisco 4503 for a specific IOS. But the folder is divided by v1 and v2.
What does it mean v1 and v2? The version of SNMP?
So if I enable just SNMP Trap (''snmp-server enable traps.....'') I should use MIBs v1 but if I enable also the number of Retries and Timeout ( ''snmp-server inform retries...'' and ''snmp-server inform timeout...'') I sould use MIBs v2.
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Mar 21, 2011
installing IOS for cisco 4503 e catalyst switch. The base ios image file has been deleted. Installing the ios and from where can I download the ios verison.The device has 2 10 Gig uplinks and I have access to console of the device.when i boot up the device it comes "rommom >"I do have tftp server and i have also configure the IP in fast ethternet mgmt port.
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Feb 3, 2011
I want to run HSRP into my network.i am using two 4503 switch one is main and another one is standby. i configured V LAN into my switch and its running, now i want to configure HSRP. my configure is attach with this mail and my main switch gi2/22 is connect backup switch gi2/22 and all user is connect to both switch as like HSRP network.
I can use Standby ip
10.0.1.252 (vlan-1)
10.0.2.252 (vlan-2)
10.0.3.252 (vlan-3)
10.0.4.252 (vlan-4)
10.0.6.252 (vlan-6).....so on.
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Jan 23, 2012
I'm looking for a SNMP set command that clear the MAC Address table on a Switch Cisco 4503.
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Oct 16, 2011
just got a new supervisor 4 engine for this catalyst 4503 switch that has ios 12.2 (53) SG installed on it. That's quite a bit above the 7.6 i was working with. I'm having a couple issues now. first, I read that it is supposed to be sending out broadcasts automatically to get it's IP address but it doesn't seem to be. the module i'm plugging into there is ws-x4448-gb-rj45, a 48 port 10/100/1000 module in case it matters. it works other than that. I can plug two computers in and see them and i can plug the network in and they'll both get addresses and internet, but i need an IP on the switch. is there a way to send a manual request for broadcast out or somehow set the IP manually? (I know I can do it in the rommon, but that doesn't seem to do anything)
also, the last module in the switch is a 24 port poe ws-x4224-rj45v. the module is recognized, the status light green, the "show interface status" lists it, but it doesn't recognize anything plugged into it. the supervisor is not configured at all yet, so maybe that has something to do with it, but the other module, like i said, works.
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