Cisco Switching/Routing :: 4500 VLAN Administratively Down
Dec 10, 2012
read the posts regarding vlans that are administratively down, they suggested that they are down if no ports are assigned to them, however I do have a switchport assigned, and the interface is still down. This is on the vtp server and on the clients. The vlan is not listed when issuing show vlan brief. Other vlans configured in a similar way do show and their interfaces are up. These are two Catalyst 4948-10G.Cisco IOS Software, Catalyst 4500 L3 Switch Software (cat4500-IPBASEK9-M), Version 12.2(53)SG5, RELEASE SOFTWARE (fc1).
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Feb 19, 2013
I have a problem with the Cisco 881 router at one of our customers.It seems that after a "no shutdown" has been given on the Vlan interface, it still goes back to "administratevly down" after a reboot.So when I restart the router I always have to manually "no shutdown" the Vlan interface to come back up.While rebooting the router it also gives the following info in the console screen every time which is strange:
new interface Vlan1 placed in "shutdown" state.We tried several different firmware releases.
Replacing the router with a new Cisco 881 router did not work either. After they sent back the old Cisco 881 router we tested it here and there were no problems, we weren't able to replicate the problem.The configuration we use for the router is correct, we use it for hundreds of customers, so that can't be it either.The customer uses a fortinet firewall behind the router. Could it be that something inside the LAN of the customer that triggers the Vlan to shut down?
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Jan 24, 2012
I have an in production x2 4500's which I would like to add a new vlan and IP address to.
Sample config...
interface Vlan65
ip address 10.100.6.2 255.255.255.248
no ip redirects
no ip unreachables
no ip proxy-arp
standby 65 ip 10.100.6.1
standby 65 timers 1 3
standby 65 preempt delay minimum 120
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May 20, 2013
We have observed WS-C4507R-E got rebooted while creating the L3 VLAN ( while No shut).Is there any known bug for below IOS ?cat4500-entservicesk9-mz.122-40.SG.bin,
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Nov 24, 2011
I got some problem with enabling dhcp snooping on 4500 (cat4500e-lanbasek9-mz.122-54.SG.bin) the topology is as below: dhcp snooping enabled only on CORE (with interface trusted to dhcp server)the problem is that I put these 2 commands
ip dhcp snooping
ip dhcp snooping vlan 1
but it is not enabled on any vlan
SW-CORE#sh ip dhcp snooping
Switch DHCP snooping is enabled
DHCP snooping is configured on following VLANs:
none
DHCP snooping is operational on following VLANs:
[Code]...
On B1 if I turn it on there is a "1" in the section " DHCP snooping is configured on following VLANs:" but on core no.As you can see I did put the trusted on the interface in the direction to the dhcp.First I thought it can be a problem with option 82, I've read a lot about the issues with that, but the problem would be explicable if the client did receive IP address, but it does.
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Jan 10, 2012
Between our hosting and a customer we have an extended vlan, traveling on a fiber, between two cisco 3560 switches.The thing is, that we want to create one or more vlans inside that extended vlan, in some way if possible?
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Jan 10, 2013
I have two networks at two sites with a dot1q trunk between the two L3 switches at both sites (no routers involved)
SITE A - Cisco 3750 L3 - VLAN ID 50
10.10.50.0/24
SITE B - Cisco 3750 L3 - VLAN ID 50
10.20.50.0/24
I would like to extend the SITE A VLAN to SITE B so that I can move hosts from SITE A to SITE B without needing to change their IP address but the vlan ID is already in use. Obviously the easy solution is to change the VLAN ID for one or other of the sites but both sites contain hosts that run 24/7. Is there a way to join two VLANs with different IDs together.So for example I create a new VLAN 60 at SITE B and associate it with VLAN 50 at SITE A.
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Mar 31, 2013
i need to solves this little problem on 2960S lan BASE but i dont know if it is possible.
Uplink port config for gi 1/0/28 is:
switchport mode trunk
switchport trunk alloved vlan 10,11
but on interface gi 1/0/1 i want to have data from vlan 10 tagged as VLAN 20.
At this time i have solved this issue very primitively
I have set up gi 1/0/2 as int mode acces, acces vlan 20 and i have connected gi 1/0/2 with gi 1/0/3 with eth cable. int gi 1/0/3 is switchpor mode acces, switchport acces vlan 10
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Sep 16, 2012
I have a 3750G switch in my production network that only has VLAN 1 on it. All ports are in a default state and VLAN 1 is disabled. The switch is passing traffic but shouldn't having the default VLAN shut down cause the ports not to pass traffic? If I start to create VLANs will that cause the switch to stop passing traffic?
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Jun 13, 2011
I am trying to setup a L2tpv3 VLAN-to-VLAN tunnel.My setup has two Cisco 890 router with Cisco IOS Software version 15.0(1) M4. These routers are connected directly on FastEthernet port 8.
One linux machine is connected on FastEthernet port 0 on each router. The two linux machines are on same vlan. I am trying to establish a vlan-to-vlan tunnel between the routers and send traffic between the linux machines.
I followed the case study 11.4 from [URL] and configured the l2tp-class and pseudowire-class. However, the vlan interface configuration is different on 890 router.
I configured a vlan interface as follows.
(config)#vlan 200
(config)# interface FastEthernet 0
#shutdown
#switchport access vlan 200
(config)# interface vlan 200
I don't see the 'xconnect' command in this context. What's wrong with my configuration?
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Nov 20, 2012
We have a low bandwith (15-20 Mbit/s) to the ASA from our Client vlan. If i connect the Client to the same vlan as the ASA is, the bandwith (90 Mbit/s) is good.
Here are the Layer 3 Design:
Client -> vlan 2 - Switch - vlan 7 -> vlan 1 - ASA 5505 -> ISP
The Layer 2 Design:
Client -> Gig2/0/13 - Switch - Gig4/0/43 -> Eth0/1 ASA5505 -> ISP
IP Address:
Client: 172.16.2.10Vlan2: 172.16.2.1Vlan7: 172.16.7.1ASA: 172.16.7.2
I assuming the switch has a problem with routing ?It is a stacked Switch with following members:
switch 1 provision ws-c3750g-12sswitch 2 provision ws-c3750g-24tsswitch 3 provision ws-c3750g-24tsswitch 4 provision ws-c3750x-48
And we have following error message in the log from the switch:
%PLATFORM_UCAST-4-PREFIX:
One or more specific prefixes could not be programmed into TCAM and are being covered by a less specific prefix, and the packets may be software forwarded I first get the idea that the switch is overloaded with router traffic. Thats why i assuming i have to check the sdm templates, but i'm not sure if this resolves the issue.
Here are the relevant config:
ASA Interface on the Switch:
interface GigabitEthernet4/0/43description ASA-inside LANswitchport access vlan 7switchport mode accessspanning-tree portfast
Client Interface on the Switch:
interface GigabitEthernet3/0/1switchport access vlan 2switchport mode accessswitchport port-securityswitchport port-security aging time 2switchport port-security violation restrictswitchport port-security aging type inactivitymacro description cisco-desktopspanning-tree portfastspanning-tree bpduguard enable
[code]...
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Mar 6, 2013
I need to know if Catalyst 4500-X does PBR in hardware?
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Feb 28, 2012
Does the 4500 support VSS (Virtual Switching System) ? On the official product overview page it says: 1.6 Terabits capacity with Virtual Switching System (hardware-ready)What means Hardware ready ? Does it mean that it supports VSS in the same manner as the 6500 ? The reason I'm asking this question is that I didn't find any info on the Internet about this. We would like to upgrade our network by interconnecting the 2 sites with Layer 2 redundant links (Layer 2 extension), but I'd like to use the both links in a load-balancing manner, which can be a real pain in the *** with STP. The choice is between 4500 and 3750 stackable core switches. The 6500s are very expensive.
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Apr 3, 2013
question on 4500 SUP-7LE, this documentation is not 100% clear:
[URL]
When in single sup mode, can I have the following combinations?
1 SFP+ and 1 SFP << pretty sure this is supported
1 SFP+ and 2 SFP << think it's supported
1 SFP+ and 3 SFP << doubtful
2 SFP+ and 2 SFP << think it's supported
3 SFP+ and 1 SFP << doubtful
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Nov 16, 2009
I'm seeing the following error on a 4500 running 12.2(46)SG
C4K_IOSMODPORTMAN-4-INLINEPOWEROVERWARNING: Module 5 inline power exceeds threshold: status changed to 'Pwr Over'
All the ports on module 5 have "power inline never" applied, in fact the whole switch has POE disabled.
I've attached a txt file with the show power detail output.
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Apr 22, 2013
How to know 4500 SUP7-E's MIB ?Our customer use MS SCOM 2012 SP1 get the OID are 1.3.6.1.4.1.9.1.1286, but we use IOS MIB locator, we can not find this MIB id.
below are the IOS sh version information :
Cisco IOS Software, IOS-XE Software, Catalyst 4500 L3 Switch Software (cat4500e-UNIVERSAL-M), Version 03.02.00.SG RELEASE SOFTWARE (fc4)
Technical Support: [URL]
Copyright (c) 1986-2011 by Cisco Systems, Inc.
Compiled Tue 26-Apr-11 18:09 by prod_rel_team
[code]....
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May 13, 2013
What is the correct way to lic VSS on a 4500 SUP7L-E ? url... Under Table 5 - Support by Image Type; VSS is listed as available on IP Base (SUP7E only) and a plain Yes under Enterprise Services, inferring that you need Enterprise Services lic on SUP7L-E to get VSS? url...Under Table 1 - Minimum License for VSS; IP Base or higher (7-E) or special license (7-LE and Catalyst 4500-X)Can find no option on CCO / configuration tools to list a 'special' VSS license for 4500R+E chasiss with dual SUP7L-E and IP Base.How are you meant to purchase/license VSS on 4500E Chassis + SUP7L-E ?
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Dec 14, 2011
Why Cisco 4500 R switch PBR tracking Command not working , I found just route-map next-hop ?
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Sep 7, 2012
My 4500 core always in 60 % cpu utility , and when i run #sh proc cpu sorted i find that
55 29725041543795572214 0 39.43% 41.40% 41.39% 0 Cat4k Mgmt LoPri
Which mean that this process is the top one , and when i run #sh platform health i found that Stub-JobEventSchedul
10.00 15.98 10 64 100 500 20 17 12 29269:55 K2 CpuMan Review
30.00 35.60 30 48 100 500 49 46 32 52390:52
Those two process are the top and they already exceed their maximum rang and when i run #sh platform cpu packet statistics i can find that Packets Received by Packet Queue
Queue Total 5 sec avg 1 min avg 5 min avg 1 hour avg
---------------------- --------------- --------- --------- --------- ----------
Esmp 5053121950 475 462 340 326
L2/L3Control 244395185 17 8 5 11
Host Learning 67315739 0 0 0 0
L3 Fwd Low 346689615 73 23 14 13
L2 Fwd Low 5336180603 1180 1129 831 804
L3 Rx Low 2287913 0 0 0 0
RPF Failure 7510829 1 0 0 0
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May 23, 2012
How i can configure the SFP Ports on my 4500 SERIES CHASSIS with other SFP ports on the connecting switch. I want to connect 15 switches via GLC=SX=MM to my 4506E sfp card.
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May 15, 2013
I am getting a very strange problem where 4500 switch is remarking the packet with dscp 1 to 0.
Let me explaint the setup. I have two PCs connected on same switch but on different modules. PC1 is conencted to Gi4/19 and PC2 is connected to
Gi2/43. Both the ports has been configured to trust the dscp. Below are the configuration:
interface GigabitEthernet4/19
switchport access vlan 6
switchport mode access
[Code].....
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Jan 8, 2012
I am trying to setup the WOL for our enterprise. We have a C4500 setup with mutliple Vlans. We are using Microsoft SCCM server to wake up workstations for security update. The workstations are on vlan190 and the Microsoft server is on vlan 441
Here's my config
the config below
interface Vlan190ip directed-broadcast 100 (Enables the translation of a directed broadcast to physical broadcasts)
access-list 100 remark ====== Wake-On-LAN ======no access-list 100 permit udp host 10.4.40.98 any eq 9 logaccess-list 100 remark ====== End of ACL 100 ======
[Code].....
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Mar 12, 2013
We have 3 layer LAN architecture, layer 1 of 6500(IP routing), layer 2 of 4500(L2 switch only), layer 3 of 2960(L2 Switch)In a Single (2960 and 4500) Switch Port Avaya IP phone and PC are connected.Now, the requirement is that, Qos need to be configured for Voice traffic and Data traffic should be in default class of service.We plan to use COS value in Switch 4500 and 2960. We made a sample configuration as below
### For 4500 Switch
class-map match-all VOIP-Access-2MB
match cos 3 5
class-map match-all VOIP-Uplink-20MB
match cos 3 5
[code].....
check these configurations are correct as per standard and if there is any other method of configuration?What need to be configured in L3 Switch(6500)??In 2960, it doesn't support ingress QoS, what impact it will make when compare to 4500? do users experiance any difference?
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May 20, 2012
I have installed a WS-X4448-GB-RJ45 on a 4503 chasis. I could not get input or output rate, just shows 0 bit/seg wether or not is forwarding traffic. I would like to know if I have to make any configuration or workaround. The IOS version is 12.2(37)SG1.
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Feb 7, 2013
When I connect two 4500-x switches in a VSS setup, do I need to have both 4500-x switches equiped with Enterprise Services, or can I mix IP Base with Enterprise Services in one VSS setup in order to save on licensing costs?
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Feb 14, 2012
I have a Cisco 4500 Sup 6 engine and I have two 48 port fiber line cards installed. When I do a show interfaces I do not see any of the Fiber cards. This is a new out of the box 4500 and I installed the Sup 6 Line card in Slot #1, And the two 48 port Fiber cards in Slots 2 and 3. Am I missing something, is there a command or set up procidure for the line cards. I just assumed they were plug and play
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Feb 20, 2012
I have a 4510R-E chassis which currently has a single supervisor 5 installed.
We are now looking at upgrading the supervisor to a Sup6. Now the question is this, can I install the Sup6 into the redundant cpu slot and then perform a failover to get the new switch working without any noticable downtime.
I'm not sure what having a Sup V and a Sup 6 in at the same time will do to the backplane.
Otherwise I have to take the switch down and then install the card and software manually.
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Feb 28, 2012
I am about to configure 4 Gig ports for EtherChannel. I've been reading about EtherChannel and it seems easy enough to configure. I have a host (server)which I am going to connect to these 4 - gig ports. This is new for me and would like some feedback for those that have used EtherChannel on their layer 2 switches. The gig ports will be an access port with VLAN XX.
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Aug 22, 2012
We are preparing to install a new switching Infrastructure at one of our sites. We have decided that we want to have two separate chassis as a core. My original idea was to purchase 2 - 4500 chassis and install 10Gb and 1GB line cards in each and use STP and HSRP to load balance between the two cores.
We had also contacted a vendor for thier recommendations and they came back with 2 6500 Chassis running VSS. I reviewed what VSS was as I had never heard of it and it looks to me basically to be real close to the same thing as Stacking. I didn't really want to have stacked Cores because I would like to have the flexibility to be able to take one core out and update the software or image, reboot, and such without effecting anything on the network. I can do that with the non-VSS approach but it looks like that would be more of a problem with VSS.
My question is, how to use VSS with the 6500's? How to take one of the VSS pairs off line and not effect normal network operations?
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Mar 13, 2013
Whether Cisco Catalyst 4500-E with SUP 6E Supported vss?
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Dec 24, 2011
We have Three locations (A,B,C) across campus. Location A is Main Location, While B & C are remote locations. Distance among all locations approx. 2 miles.
I want 10G Fiber among these three locations. I am taking 4510+E with SUP 7E with Redundant SUP & 10G Fiber line card(X2 10G) at Location A.At Location B & C, i need Max. 2 Nos. of 10G uplink. i am taking 4507r+E with redundant SUP 7LE. Can i terminate 10G Fiber UPLINK from Location A in to Redundant SUP 7L-E(10G SFP+) at location B & C ??
At one time, Primary SUP 10G uplink should be active & Redundant SUP 10G uplink should be standby. When primary SUP fail, redundant SUP 10G uplink will be active. Is that Possible with this scenario?Is that possible that at same time, 10G Uplink on both SUP 7L-E be Active?
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Apr 11, 2011
I'm looking to implement a vlan filter to keep unnecessary stuff off my access-layer. Things like IPv6, IPX etc. I really only want IPv4, ARP and 802.1q on these 4500s. I know on 3750, 3560s etc, when I create the mac access-list, I can do it by ethertype, but on the 4500, I dont have that option.
4th_floor(config)#mac access-list extended Drop-traffic
4th_floor(config-ext-macl)#permit any any ?
protocol-family An Ethernet protocol family
<cr>
4th_floor(config-ext-macl)#permit any any protocol-family ?
appletalk
arp-non-ipv4
decnet
[Code]....
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Mar 10, 2012
I have the attached setup. now i would like to limit my ftp transfer to 10 mb from a specific vlan to ftp server on the STM-4 (622) link. what would be the best way to limit ftp traffic to 10 mb .
following is my switch deatils
Video_Main#sh verCisco IOS Software, IOS-XE Software, Catalyst 4500 L3 Switch Software (cat4500e-UNIVERSAL-M), Version 03.02.00.SG RELEASE SOFTWARE (fc4)Technical Support:
[URL]
Cisco IOS-XE software, Copyright (c) 2005-2010 by cisco Systems, Inc.All rights reserved. Certain components of Cisco IOS-XE software arelicensed under the GNU General Public License ("GPL") Version 2.0. Thesoftware code licensed under GPL Version 2.0 is free software that comeswith ABSOLUTELY NO WARRANTY. You can redistribute and/or modify suchGPL code under the terms of GPL Version 2.0. For more details, see thedocumentation or "License Notice" file accompanying the IOS-XE software,or the applicable URL provided on the flyer accompanying the IOS-XEsoftware.
[code]....
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