Cisco Switching/Routing :: Sf300 - Vlan Bandwidth Management?
Oct 20, 2012
i have a small network with Polycom phones connected to the sf300 switch and have the pc's daisy chained via the second switch port on each phone. i have the pc traffic running on the default vlan 1 and the voice traffic running on the voice vlan 100. can i do bandwidth management on a vlan/port basis or is that not necessary. i want to ensure that the voice traffic is never impacted by the pc traffic on the same cable.
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Oct 12, 2011
I got question about Cisco SF300-24P- is it possible to have management vlan in other vlan than in default vlan?I have default vlan 10 and voice vlan 20, I need to reach switch through voice vlan so I need to set up, interface vlan 20 with ip address. I ask these, because in gui, under Management Interface, IPv4 interface,under Management VLAN, I can only choose vlan 10, which is my default vlan, I dont have option to set ,up, in this case, vlan 20 as management vlan.
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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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Jul 4, 2012
spam up the boards with the same basic CCNA level stuff, but I have a couple of questions about ios differences, limitations, and references. I have the following three switches. One appears to be considerably dated in regard to software version. My confusion/ignorance stems from managing VTP settings.
2924XL 12.0 5 WC8
2950 12.1 22 EA6
2950 12.1 22 EA6
When I set either 2950 switch as the VTP server, and the other as a client, the client inherits the server settings as expected. However the 2924 requires that I go into the vlan database from priv exec and manually set vtp client. That's pretty similar to setting any switch to client mode. The problem I am observing is that after setting the 2924 to client, it still doesn't inherit vtp version settings or pruning settings. I still have to manually configure those. Additionally, if I copy run start the 2924 after making these manual settings, and then reload the switch, all the settings are lost and it defaults back to server mode with all features disabled. From my searches, it looks like vlan information is stored in vlan.dat, but all the documentation I've found is on 12.1 ios which doesn't appear to use vlan database for vtp setup, meaning it might still be an issue, but not one I'm focused on at the moment.
Is the vlan database dumped at reload? I've read vlan.dat is stored in nvram and should be saved after a copy run start, but that is not the case for me.I have since set the 2924 as the server, manually configured the server from vlan database, executed copy run start, and reloaded the switch. Oddly, my manual settings saved from the reload, meaning I only lose settings when the switch is in client mode.Am I missing additional necessary client commands to save the config, or is this just a limitation of either the 2924XL or the 12.0 ios?On a related but completed out of scope topic, without a cisco service contract, how am I supposed to make heads or tails of all the different versions of ios, along with the letter-based features and what-not? I can't even find my 2924 in the list of platforms when searching for ios upgrades.
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Dec 5, 2012
I'm trying to figure out how to (or if I can) setup the management interfaces (fa1) on a couple of new 4500X switches. My issue is that the 4500X's themselves are the gateway for my management VLAN (.1 HSRP virtual, .2 and .3 SVIs on the pair of switches).
I would like to assign addresses from the management VLAN to the router Fa1 management interfaces but the software configuration guide seems to note this is not supported (and indeed it doesn't seem to work).
Physically I have Fa1 from core-1 into a port on an adjacent switch. Fa1 from core-2 also goes into a port on that adjacent switch. Both are in my management VLAN, whose SVIs are on the cores themselves.
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Apr 8, 2012
Randomly when I try to access to 2950 from management tools, switch is unreachable, I have to access from other switch and reload 2950.
Problem only is from managemt tool to managament vlan 1 2950.
The strange thing is that management interface is encountering a very fast increase of throttles, broadcast and ignored packets:
2950#show interfaces vlan 1
Vlan1 is up, line protocol is up
Hardware is CPU Interface, address is 0023.3488.fd65 (bia 0023.3488.fd65)
Internet address is xxxxxxxxxx
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
[code]....
It could be a hardware problem?, IOS has been upgraded.
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Nov 21, 2011
when I was using image 1.0.0.27, I was able to move the management VLAN from 1 to which ever VLAN I wanted. For some reason, after switching the image to 1.1.1.8, I no longer have that function.
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Jan 17, 2012
I have a 2900 router at branch office. This router has a 4 port switch card and two gigabyte ports. The gigabyte port is use for wan connection and the 4 port switch card is use for lan connection. I have two separate networks on my lan side. (network 1 and network 2)
I have assigned port 0,1 of the switch card to vlan1 for network 1 Ports 2,3 of the switch card is assigned vlan 20 for network 2
My problem is I would like to applied a bandwidth restriction for all data coming out from vlan20 capping same to 384 kb.
Note I do not want use QOS because this will only kickin when saturation occurs,
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Jan 23, 2012
Currently, we have a Cisco router (28xx), ASA 5520, and a core switch 4500. We have different vlans. We also have Auto QoS running for our Cisco IP Phones.My manager just asked me to see if I can either reserve some certain bandwidth for one vlan, or give that vlan higher priority on internet traffic than the others.
1.) Anyway we can reserve some more bandwidth for one vlan than other vlans?
2.) If #1 cannot be done, how can we provide higher priority on the internet traffic to one vlan than the others?
3.) Is #1 or #2 the same config? If not, which one would be easier (without changing our current QoS settings)?
4.) If 1 or 2 can be done, which device I should config the settings on?
5.) This question may be duplicate, but do we need to reset our current QoS to achieve the goal?
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Apr 22, 2011
I had made a DHCP server that had many scope:
1- scope: 192.168.1.208/28
2- scope: 192.168.1.224/28
3- scope: 192.168.16.0/24
[Code]....
How to condig SF300-24 to vlan 2 vlan 3 can get IP address from DHCP server in VLan 4?
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Apr 29, 2013
getting a SF300 to properly route IP between 2 VLANs. I've watched the demo video and performed everything it showed, but I get the most bizarre half-way results. I haven't done anything on Cisco routers in about 15 years, so I'm a little rusty.
We have an office LAN with a cable modem/router for Internet access where the modem/router has IP address 192.168.1.1. We have the usual 24 bit prefix net mask. The SF 300 is connected to this network on port 1.
I have configured port 1 to VLAN 1, interface in Access mode, assigned a static IP address of 192.168.1.36, which is a free address on our office LAN. I have configured port 2 to VLAN 2, interface in Access mode, assigned a static IP address of 192.168.3.1 I put a static route in the modem/router, pointing 192.168.3.0/24 to 192.168.1.36.
I have a PC on 192.168.3.10 attached to port 2.
The SF300 can ping 192.168.3.1, but not 192.168.3.10. 192.168.3.10 can ping 192.168.3.1. It can also ping 192.168.1.1, and can pull up an HTTP router admin page from 192.168.1.1. 192.168.3.1 can be pinged from anywhere on 192.168.1.x, but 192.168.3.10 cannot be pinged from 192.168.1.x. Finally, 192.168.3.10 cannot ping any other addresses on 192.168.1.x except 192.168.1.1, and cannot reach the Internet.
Here's my configuration:
switch6d919d#show runconfig-file-headerswitch6d919dv1.3.0.59 / R750_NIK_1_3_647_260CLI v1.0set system mode router
file SSD indicator encrypted@ssd-control-startssd configssd file passphrase control
[Code].....
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May 12, 2011
We are trying to config vlan 10 for data and vlan 20 for voice on the same port - port 1 of swtich SF300-24P to run both data and voice on different vlans.Do I have to add vlan 10 as an untagged vlan to port 1 and add vlan 20 as an tagged vlan to port 1?If I do not want to assign the native vlan 1 to port 1, how can I remove it ? The GUI page - assign VLAN to port does not allow to remove it.Aslo, what mode shall I set up on port 1? General, trunk or access ?
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Nov 18, 2012
I am trying to add a Cisco SMB SF300 - 24 Switch to an infrastructure which has only Cisco Catalyst Switches The Core layer is Cisco Cataylst 4503 . Distribution is Cisco Catalyst 3560 and the Access Layer is Cisco 2960 Switches.There about 30 VLANs present in the infrastructure which is advertised to all switches using VTP. Inter VLAN routing is done at the Core Switches by creating Interface VLANs for every L2 VLAN.
1. The new VLAN 150 needs to be created on the new Cisco SMB Switch. If I create a corresponding interface VLAN 150 on the Core Switches , will it route traffic to other VLANs just like it is currently working for Cisco Catayst 2960 Switches ?
2. Upon checking I could see that VTP is not supported on Cisco SMB Switches and I would need to go for GVRP if I need to advertise VLAN information to other Switches. But since GVRP is supported only on CatOS and there is no inter operability between GVRP and VTP , I would need to create VLANs manually on the new Switch . Is that correct ?
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Jan 5, 2012
We have purchased 3 no CISCO SF300-48P (Access Switches) with the interest of setting up a new laboratory consisting of 120 desktops. We currently have a CISCO 4507R (Core Switch) and a CISCO 3560 (Distribution Switch) for the campus wide network. Our network is developed with various VLANS to support Internet and Intranet facilities. The new lab need to be incorporated in to the Campus wide network with a new VLAN ID. But problem is while trunking the CISCO 3560 (Distribution switch) to the CISCO SF300-48P (Access Switch) communication does not happen. While, surfing the internet and various doc's say that SF300 uses GVRP instead of dot1q trunking.
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Oct 17, 2012
In my network I got 3 SF300 24 p switches. I managed vlan 10 for data and it is also a native vlan and vlan 20 for voice ,1st switch is the core switch and im having a problem in connecting them ?
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Jan 2, 2013
my new Cisco SF300-48. I want to create 2 vlan (vlan 1 & vlan 2). The switch is set at layer 2. example : vlan 1 (port 1, 2, 3) , vlan 2 (port 4, 5, 6) vlan 1 can communicate each other (port 1, 2, 3) and vlan 2 can communicate each other (port 4, 5, 6)But vlan 1 cannot communicate with vlan 2.
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Jan 20, 2011
I have a Netgear GSM7248R switch with 5 different Vlans including th management Vlan. Each of the vlans are connected to my layer 3 switch for routing. I want to access the management vlan form any of my Vlans so my layer two switch can be detected by my snmp manager.
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Mar 16, 2013
i have one SF300-24p switch where i setup some Vlans and echolife hg8245 ONT router to access internet. the diagram is the following
VLAN1 (Subnet of users) -----> Switch SF300-24p
VLAN2 (Subnet of users) -----> Switch SF300-24p
VLAN3 (HG8245) -----> Switch SF300-24p
VLAN4 (Servers) -----> Switch SF300-24p
i want to control access to internet on VLAN1 and VLAN2 (access on VLAN3), while providing access to VLAN4.My problem is in connecting to internet, i can't find a way to "route back traffic to VLANs 1 and 2 since HG8245 don't seem to provide proper static routing ON LAN interface. Maybe without resorting to changing the HG8245 router ?
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Apr 11, 2012
what is difference between Cisco catalyst 3750e 48 and SF300-48p.
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Nov 3, 2011
Can I use firmware for switch Cisco SF300-08 on switch Linksys SRW208? I need to connect IP Phones and propagate voice vlan over CDP or LLDP, that's why I would like to use firmware "Sx300_FW-1.1.1.8.ros".
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Aug 2, 2012
I have several SF300 switches deployed (SF300-08, SF300-24P). They are connected to IP Telephones (NEC) which communicate with the switch for auto voice VLAN on LLDP. The problem I am experiencing is that periodically the IP telephones are rebooted by the telephone vendor and when they do the switch puts that port into "Locked" port security mode and discards all traffic to the port. The IP telephones of course do not work. In other switch models, I have seen the ability to enable / disable port security switch wide or on a port by port basis. This model does not appear to have this feature. How to disable or why the phones would cause the switch ports to "lock"? There is usually one PC attached to each phone.
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Feb 13, 2012
I have a sf300 with (2) vlans (1) ] vlan for data and vlan (100) is my voice vlan I have Vlan (100) tagged traffic, and my VoIP pbx as an access port only to vlan (100) all other ports are trunk ports with vlan (100) tagged and vlan (1) untagged traffic. I get no outbound audio on calls I can call out hear them fine they cant hear me. I am wondering if my tagged traffic leaving the phone is being striped and if so were. I have CDP turned off.
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Jan 2, 2012
I have a SF300 24 P and Iam trying to configure a voice vlan this is what I have done so far and it doesnt work.
1. create vlan 30 for voice traffic and enable it
2. Telephony OUI add my mac address for allworx phones
3. Port to VLAN add 30 has tagged, port to vlan 1 untagged
4. Vlan to port I try to add 30 and get this error (Port e15 is candidate in voice Vlan 30 and cant be configured as static member in the vlan.
5. Under Discovery LLDP, LLDP MED port Setting Enable MED status, then all other options to yes
In my LLDP neighbor information all my phones are there and says under port ID 0 ( my phones support LLDP and CDP)
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Oct 22, 2012
I have a Cisco SF300-24P deployed at a customer prem running only a couple VLAN's - 1 customer related and 1 for management. Recently the customer inquired about changing his connection to Q-in-Q. I have changed the interface type to customer but then it selects vlan 4095 as the vlan associated to that port. How do I change that vlan or by default is that the only vlan I can use? Currently the customer is using vlan 904 and would like to continue to use that vlan in the Q-in-Q config.
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Dec 12, 2012
I bought a sf300 48 and made 4 vlans.
How can I restrict the mac address of device can be connect each vlan ? I just want allow the macs for vlan, dont need join the pc to a vlan.
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Sep 9, 2012
I have a SF 300-24 24-Port 10/100 Managed Switch and I am trying to set some VLANs. The image below shows how I want it to be setup:Since the remote site goes through the Internet, making port 20 an 802.1Q trunk over the two VLANs will give WAN connectivity to VPN/E-mail.I've tried all sort of settings [ see attachments] but can't get it work.
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Feb 12, 2012
I have a sf300 with (2) vlans (1) ] vlan for data and vlan (100) is my voice vlan I have Vlan (100) tagged traffic, and my VoIP pbx as an access port only to vlan (100) all other ports are trunk ports with vlan (100) tagged and vlan (1) untagged traffic. I get no outbound audio on calls I can call out hear them fine they cant hear me. I am wondering if my tagged traffic leaving the phone is being striped and if so were. I have CDP turned off.
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Apr 17, 2013
i have a asa5505 and sf300-48,in the sf300 have ip defult-gateway 192.168.1.93 and have internet in vlan2 but vlan 3 not work. ping from "vlan3" to "vlan2" its ok.
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Jan 19, 2011
I have a WLC 4404 installed and we would like to manage the bandwidth per SSID.
Today we have configured many SSID because our campus has a lot of wireless users and any SSID has only one class C subnet (/24).
We would like to configure each SSID with more subnets. is this possible ?
Additionally we need to restrict the bandwidth per SSID. is this possible ? We have some SSID for less important users and we would like to assign the bandwidth per SSID.
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Nov 5, 2012
I am trying to restrict bandwidth for a particular LAN IP address on my network using policy maps but it does not seem to be working, My LAN IP address is 192.168.20.199 which i am trying to limit the bandwidth on.
Cisco_1841#sh policy-map interface fa0/0FastEthernet0/0
Service-policy input: Bandwidth_Allocation_In
Class-map: BWTest_In (match-all) 0 packets, 0 bytes 5 minute offered rate 0
[Code].....
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Aug 29, 2012
I am trying to use GNS to simulate this, but a bit difficult to achieve this. May I know can the Cisco Router handle below requirement? Example Cisco 2811
1) Bandwidth management based on IP Address or Subnet? For example; allocate 1Mbps (CIR) and 10Mbps (BIR) to 172.16.1.10
2) Can the Cisco Router control the inbound and outbound bandwidth?
3) Can you share the sample config?
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Aug 16, 2012
I setup a WLC5508 with 2 SSIDs, one for guest traffic and another for internal users. They are in separate subnets and are routed out to the internet via 2 different isps, with the guest network going over a bonded t1 and the internal users going out the primary internet connection for the company. While this works as desired and we've verified that while on the guest network we're going out the right isp, we've encountered an issue with saturation of the bonded t1 pipe by guests. We'd like to find a way to limit a guest to a capped down/up stream if possible, with downstream being the most important. The infrastructure includes 3560 switches and AIR-CAP3502I-A-K9 access points.
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Sep 30, 2012
I have 20 mbps internet link and I have ASA 5505 . I have to divide this bandwidth 10-10 mbps each for Voice and Data . So that both can work properly. because when I am using it for both on same interface, I am getting Voice disturbance..
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