Cisco Switches :: QoS Not Working In Linksys SRW248G4
Jul 29, 2012
We are using Linksys SRW248G4 in our network as Layer 2 Device. We have configured QoS policy for Voice and Video Priority over Data. On Layer 3 we are using CISCO SGE 2000, on that we have also configured QoS Policy and that is working, if we are connecting two IP Phones on L3 Switch but when we are connecting IP Phones on L2 Linksys we are not getting Voice and Video quality over Data.P2P link is of 10MB.I am Putting Whole configuration of that switch in TEXT FILE. [code]
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Jun 26, 2012
I can't figure out how to configure a port membership with multiple VLANs. My setup:
- VLAN10
- VLAN20
- port settings tab: port24 in general mode
- ports to VLANs tab: untagged everywhere, when I set port 24 membership to VLAN10 I can't set port 24 membership in VLAN20 because when I do that port 24 membership in VLAN10 dissapears and vice versa
- but I can set port 24 membership to both VLANs in VLANs to port tab, but I think it doesn't work because:
- when I connect hosts to ports 23 (port 23 is a member of VLAN10 only) and 24 (member of VLAN10 and VLAN20)
there are not any connectivity between them
- but connectivity is working when I set the same PVID for both ports 23 and 24 in port setting tab, I can't set multiple PVID in here.
So, is it possible to configure port membership for multiple VLANs on this linksys. [URL]
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May 21, 2012
I have been fighting against this Lynksys cisco switch to be able to restore admin password, no success. Theorically, is just unplug and plug switch, press ESC and press option 3) Password Recovery Procedure. Then Enter and Enter and switch will boot normaly with admin/blank password, well, not work,.
*******************************************************************
*** Running SW Ver. 1.2.1b Date 31-Aug-2006 Time 13:47:21 ***
*******************************************************************
HW version is 00.03.00
Base Mac address is: 00:1e:e5:1c:fd:eb
[Code]......
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Jun 2, 2013
I want to configure my SRW248G4 switch thru console port. Unfortunately in this switch there is no RJ45 console port input, I can only see cosole port that is look like RS232 input. I bought two standard cisco console cables that have one end with db9 and one with RJ45.
Now I have and idea to put one end of one cable (db9) to switch, and one end (db9) of second cable in my computer (COM input/output)
I need to connect two RJ45 together - this is not a problem, I know how to do this. Here is the question :I know how pinout in my computer look like but i can't find pinout of console port in my SRW248G4. There is many pictures in Internet, for many Cisco devices but this isn't working. Maybe in LINKSYS pinout look different ?
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Dec 12, 2012
with TFTP upgrade SRW2xxG4_FW_1.2.3.0.ros and WEB interface after the restart, the switch will not start, display HyperTerminal link. You can also restore the switches do not?
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Jan 5, 2011
I have had the switch for about 2 years and recently moved. The manual specifies:
38400 bps and 8-n-1 serial port settings using DB9F to DB9F cable.
I have done this and tried using multiple machines/ports/cables as well as several peices of software (minicom, PuTTy, hyperterminal) and none give me any output from the switch at all.
The trouble is that in its original config, it had 1 port locked into its own VLAN for management with port security and an obscure RFC1918 IP address which I cannot recall for the life of me.
At this point, I have no access to TCP/IP management so serial console is my last hope and is not working.
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Jul 14, 2011
I want to connect a 6911 IP Phone to a SG 300 switch. This is my scenario: vlan 3 data, vlan 9 voice, vlan 10 admin.I have a trunk on port 10 of the SG 300 (vlan 1 untagged, vlan 3,9,10 tagged) and it is connected to a switch 3560, this switch has all the L3 configuration of the vlans and the SG 300 switch has an IP on the admin vlan (10).Also i added the OUI of my IP phones an created an LLDP Policy. Right now I have a 7941 IP Phone working but 6911 is not working. Iam using the new version 1.1.0.73 that supports CDP.
Also I noticed that even when my PC and IP phone receive IP address they can not ping each other nor the SG 300. They only can ping the default gateway or IP addresses in diferent vlans but connected on 3560 switch.
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Oct 16, 2011
We just purchased 8 managed switches POE to swap out our existing in preparation for our new phone system. We installed them all after configuring with static IP. Deployed... and all but two work fine. Any tips for troubleshooting why two of them do not work? There are a couple other switches in the building. Could it be that a switch "upstream" from the two non-functioning switches is causing an issue? If so, how do I find out? When we put back the two "dumb" switches all was fine.
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Jul 14, 2011
We have two Web Servers and configured as Network Load Balancing in a cluster for failover.
WEB1 IP: 192.168.1.50
WEB2 IP: 192.168.1.51
Both configured with Cluster IP: 192.168.1.100 on Multicast mode.
TEST ON LAB USING ORDINARY 10/100 UNMANAGED SWITCH I can ping all the IP addresses on the LAN and when I http://192.168.1.110 on any PC on the LAN works no problem.
TEST ON PRODUCTION USING CISCO SG200 50/50 PORT SWITCH I can ping all the IP addresse on the LAN and when I http://192.168.1.110 on a different machine i did not work, but on the server itself will work as expected.
NOTE: Both tests are on LAN only.
I wonder if this is something to do with the switch because of Cluster IP MAC address. Do I need to configure something on the switch?
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May 28, 2013
We have a single SGE2010 in layer 3 mode switch with a Server 2008 DHCP server.
We will be implimenting a Voip netowork where the PC's connect to the voip phone. I would like to create another vlan - 10. I have created the vlan and assigned the IP on the swtich.
Routing seems to be working. I can ping both IP addresses of the switch on either vlan.
I cannot get DHCP working. In the SGE switch I have enabled DHCP Relay, enabled option 82, set my DHCP Interface as VLan1, and specified the DHCP servers IP address. On the ports I have set the port where the DHCP server connects to as a trunk port with Vlan 1 untagged and vlan 10 tagged. I have set the ports where the phones connect as a trunk port with vlan1 untagged and vlan 10 tagged.
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Dec 6, 2011
The modem Time Warner gave me several years ago was dying, I took it in, they gave me a Cisco modem, I plugged it into the computer, works fine, so then I plugged it into my airlink 101 wireless router, the computer recognizes the router but says there is no internet access, i.e. the modem and router are not communicating. Why would change of modem cause lack of communication with the router, is there something different about modems now compared with roughly 5 years ago? And what can i do to fix it so i can have wireless access again? If it matters, I have no protection on my wireless (because I never figured out how).
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Jan 8, 2013
I am setting up a 3 host ESXi cluster. I am using a pair of stacked SG500-28 switches for switching redundancy. Each host has 8 NICs. 4 to each switch. I have successfully setup a 3 NIC LAG with 1 path to one switch and 2 paths to the other. These LAGs work. When I setup a 2NIC LAG via the console for management, and the associated ports on the switches, I lose managment communication with the host. Before setting up the LAG in the ESXi console, I set that vswitch properties to us IPHASH as instructed here bit.ly/VLaTEt I have attempted to follow those instructions as closely as possible. The one thing that I am wondering is whether the SG series supports etherchannel. I can't find any reference. Either way, it works on the other vswitch that is for vMotion. I can vmkping between the hosts over that LAG. But setting up a LAG on the management vSwitch doesn't?
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Apr 16, 2013
We recently purchsed a SG200-26 and have several SPA303 with the 2 ports. The other component is a Sonicwall NSA3500.The SG200-26 is on an interface of the Sonicwall that interface has a primary of 172.20.3.x and the sub interface is 172.20.5.x. I labed the VLAN as 5?I went to the "Create VLAN" in the SG200-26 and also created VLAN 5 and under Voice VLAN the ID is 5.Then I went to the SmartPort and assigned GE24 as IP Phone + Desktop. That was OK. But when I go to the SPA303 and Enable VLAN and VLAN ID 5 I get Initializing Network. I am able to ping the 172.20.5.1 which is the gateway for the VLAN but still pull no IP. I also have an DHCP range assinged the subinterface.I also am using Cisco Configuration Assistant. I can see the switch SG200-26 and my IP set but it shows no IP. So I know that the CDP from the phone to the switch is working.
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Dec 5, 2012
We just got many 3560x switches for a project. Curiously and in a very rate event (at least for me ) 4 of them died after workijg normally. 3 for some days and the last one for 3 weeks.Power supplies are ok and light up, they work on other switches, fans dont start kn the damagdd switch but work in ither switches.Syslog server doesnt show anything. It just goes puff. They are brand new switches biught one month ago from official channek distributor.
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Aug 28, 2011
I setup switch in layer 3 mode. I have a access port in vlan 10 and a access port in vlan 20. I am able to ping form vlan 10 client to vlan20 default gateway (192.168.20.1) I am able to ping form vlan 20 client to vlan10 default gateway (192.168.10.1) However, I am unable to ping from vlan 10 to vlan 20 client. If both the ports are in same vlan, then clients are able to ping each other. Proxy Arp in enabled.
vlan 10 client ip info
192.168.10.10
255.255.254.
[Code].....
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Nov 10, 2011
I have configured the above switch with 2 vlans, with vlan interfaces and a default route that points to an internet router.
The switch is running in Layer 3 mode
================ ================
= = Vlan5 = =
= SGE2010 = ++++++++++++++ = Draytek = ------------------ INTERNET
= = = =
================ ================
192.168.0.254
Vlan 5 Data
Vlan 10 Voice
Int Vlan 5 192.168.0.253/24
Int vlan 10 192.168.10.253/24
0.0.0.0 0.0.0.0 192.168.0.254
The inter vlan routing works fine with the .253 addresses as the default gateway to the PC's but I cannot browse the internet.
When I change my gateway to the router .254 address, I get out on the internet fine.
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Mar 29, 2011
access-list <#> permit/deny <protocol> <sourceAddress> <sourceMask> <destinationAdd> <destinationMask>Say I applied an ACL inbound on Fa0/0, would the source address be the outside the LAN?So if took the same ACL and applied it as outbound, would the source need to be change to an IP inside the LAN?I am a bit confused by the data flow I'm seeing in packet tracer simulation mode to. I set up an ACL for testing purposes "access-list 199 permit ip 193.20.30.0 0.0.0.63 any" set as inbound, the idea being it permits any traffic from the .0 subnet.When I watch the packet in the simulation, it makes it to the destination address then is dropped by the router on it's way back out to the sender.
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Jun 25, 2011
I'm trying to set up 2 separate networks in my home, both of which have access to the internet through a single ISP.I have set up my networks using 2 routers as described in the "Version 2" scenario found here: url...The problem is, a computer connected to the LAN side of Router 2 is able to ping and map shared folders on computers connected to the LAN side of Router 1. According to the writeup (last paragraph), this should not be the case.I have been over the setup multiple times to ensure it is per the writeup but each time, I am able to ping and map.Is there some additional router/computer settings that I may be missing?FWIW, here's my take on what is happening (with the ping): When a computer on the LAN side of Router 2 (submet 192.168.1.x) does a ping to a computer on the LAN side of Router 1 (subnet 192.168.0.x), Router 2 sends the request to its Default Gateway (since it's a different subnet).Router 1 however, recognizes this as its LAN side subnet and forwards the request to that computer. The ping response is then routed back from Router 1 to Router 2.
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Aug 30, 2011
My office pc internet ADSL router is connected on USB port and office intranet router is connected to LAN post throuh a CAT-5 cable.Both have different gateways.I have manually configured both USB and LAN but internet and intranet does nt work together.I am required to disable one connection to connect the othet one.I want to remotely connect to my office pc and work on intranet( oracle database) .i connect through team viewer but as internet is on,intranet does nt open.i tried to add intranet gateway throuh command line also but it did nt work.office pc is xp ..home pc is vista..
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Feb 26, 2012
ive been having some issues with my internet, i had an attack on my pc recently by some american orginization, ive reinstalled new windows on my pc, reset my modem, and nothign seems to work, i have too many tunnel adapters in cmd ip config i think, bell canada hooked up my internet lines and they actually joined two or more wires together and strung them up on the neighbours fence and mine and even wrapped it around a tree branch, god knows why they would even do that, maybe they think when the tree grows it will cost me money to fix it and theyll earn from thier mistakes instead of learn from them... anyway this is my ipconfig test results as explained in previous post from someone.Windows IP Configuration[CODE]
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Feb 8, 2011
I have Windows 7 x64 and I'm using ICS to share my internet connection (cable-modem router from Comcast) with another 4 computers in my LAN.Today I decided to install a VPN free program called HOTSPOT SHIELD, and after installing it I can browse fine the Internet with this main computer, but the others in the LAN lost internet connection, although File-sharing still works fine and I can see the Networked computer in Windows Explorer or access them remotely with Remote Desktop Connection.I noticed that the Hotspot Shield program added several routes to my routing table, most of them in the IP-Range 10.31.X.X with a Mask of 255.255.248.0so this virtual Network-card that is created has a VARIABLE IP address 10.31.X.X, the first time I monitored it was 10.31.40.20.
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Jun 9, 2011
Is this known bug that you cannot backup (export) full running or startup config from this switch? Will this be fixed in next firmware? (btw, still no new firmware with CDP support for this script altough sales literature mentions that it should have already been available...)Switch does let you backup configuration as text file (which looks similar to normal IOS config syntax), but it doesn't contain all settings so the file is pretty much useless to restoring the config to another switch.At least following settings are missing from the file:
- management interface config (including DNS settings)
- passwords
- remote syslog server config
- SNTP server config
- IGMP config
- LLDP config
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May 9, 2012
I am in the process of trying to replace a modem/router,the switch does not work with the new modem/router although if I connect the modem/router directly to my computer it works fine,so its not a router issue.I suspect that the settings need to be changed in the switch to allow the new router to work ?
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Sep 12, 2011
I have 3 Linksys switches installed on the rack.
Model No: SRW2024P
SERIAL1: K600015
SERIAL2: JA00621
SERIAL3: JA00476
It is found that from the begining itself its 12th and 24th ports are not working. enable these ports in all switches.
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Jan 25, 2012
How to get vlans working properly between sub-interfaces on a ASA and a trunk port on a switch.There seems to be issue with the VLAN's being assigned to the correct VLAN and this information being properly sent to the ASA over the trunk.
We seem to be unable to ping most of the interfaces except for one on the switch. Sometimes if we are lucky we are able to ping a host on a different vlan that is on the switch. This seems sparadic at best.
Logs on the ASA show traffic does not seem to be assigned properly to the correct sub interface. We have access rules on the ASA disallowing traffic not part of the same vlan. For example you will see networkA blocked on networkB when it really should be directed through networkA's sub interface.
Any example commands for the ASA and Switch for at least the basic requirements to enable all the VLAN's to communicate properly with the ASA?
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May 19, 2013
I'm having troubles with this firmware in a SG300-28 switch. Actually the DHCP server, a new feature in this firmware release, doesn't work correctly. DHCP static reservations are not working: CLient ID and MAC address are not recognized correctly, and the DHCP server assigns the first free IP in the pool, rather than the reserved one.If Cisco engineers read this, plese correct the issue.
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Dec 11, 2012
We purchased a number of 3750X 48 and 24 port switches for the College Campus. Am finally getting around to getting them inserted on the network. Working with a WS-3750X-48PF-S and a WS-3750X-24P-L. Have them stacked with the 10Gb uplink on the 48 port switch. Have not been having fun.In the boot sequence, the switches recognize they are stacked, but as soon as they finish boot, I get the message on the 48 port switch: “Stack Port 1 Switch 1 has changed to state down.” Then “Stack Port 2 Switch1 has changed to state down.” Am noticing that I have a message preceding that: “Major version mismatch with stack neighbor.”The 48 port is running c3750e-universalk9-mz.150-1.SE3, HBOOT 12.2(53r)SE2.The 24 port is running c3750e-unversalk9-mz.122-55.SE3, HBOOT 12.2(53r)SE2Most of our 3750X and older switches are running 122-55 or 122.58 code. IP base or Universal. There is speculation that the problem is the 24 Port is Lan base, as the part number might indicate. (WS-C3750X-24-P-L.... I think that is the part number) and the 48 is IP base. Both switches are Universal, and my understanding is that they don't care about LAN or IP Base until you enable a function that falls in the IP Base domain. Then I have to call Cisco Licensing.For these switches, LAN Base is fine, based on the boot message, I feel the real problem is 122-55 versus 150-1 in the stack. So.. the question is: Do I downgrade the 48 port to match what we have in our environment, and what is on the 24 port switch. Or... Upgrade the 24 port switch to match the 48 port switch and have an installation that is not consistent with our environment? I do have two more edge closets to install with this purchase of 3750X 48 port switches.
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Nov 7, 2011
At our office we use seven Cisco 300 Series Small Business Switches. One main switch in the server room and one in each room. They work great! But I’m having difficulties getting the Auto Voice VLAN to work correctly. In fact, it seems to works straight away on a PoE model, but not on the non-PoE models.
Switch (main server room):
Cisco SG 300-28 (PID:SRW2024-K9)-VSD
Switches (one in each room):
Cisco SG 300-10 (PID:SRW2008-K9)-VSDCisco SG 300-10 (PID:SRW2008-K9)-VSDCisco SG 300-10 (PID:SRW2008-K9)-VSDCisco SG 300-10 (PID:SRW2008-K9)-VSDCisco SG 300-10 (PID:SRW2008-K9)-VSDCisco SG 300-10P (PID:SRW2008P-K9)-VSD
All these switches use firmware v1.1.1.8. The switches in each room are connected to the central switch by Link Aggregation. The main switch is configured in Layer 3 mode and all the others in Layer 2 mode. We have a lot of VLAN’s configured. For this problem allow me to describe only the two that are relevant.
VLAN 102 - Internal Network (Clients)VLAN 104 - Internal Network (Voice) The switches on each room are mainly used for clients, printers and IP phones. The clients and printers should operate in VLAN 102. The IP phones should operate in VLAN 104. For this to work I have the 10 port switches configured as following.
GE1 – Trunk – 102U;104TGE2 – Trunk – 102U;104TGE3 – Trunk – 102U;104TGE4 – Trunk – 102U;104TGE5 – Trunk – 102U;104TGE6 – Trunk – 102U;104TGE7 – Trunk – 102U;104TGE8 – Trunk – 102U;104TGE9 – Trunk – 1P (LAG 1, with 1U;102T;104T)GE10 – Trunk – 1P (LAG 1, with 1U;102T;104T)
The network is fully routable. A DHCP Server is available. Each VLAN uses DHCP relaying. If we statically assign a VLAN to a port, that just works fine. Auto Voice VLAN is enabled with VLAN ID 104. All switches are configured the same. But this is what occurs…
When I connect an IP phone on the SG300-10P the IP phones are assigned to the Voice VLAN ID 104. If I would connect a desktop to that same port it is assigned to VLAN ID 102. Exactly as it should.But when I connect an IP phone on a SG300-10 the IP it is assigned to VLAN ID 102. But I also noticed that in some cases they are assigned to VLAN ID 1 and don’t get an IP Address. That depends in which order I change settings. The port its VLAN membership is then even changed to 1P. Although the port is recognized as an “IP Phone” by the smartport feature. I have noticed it does make difference if I modify the smartport macro and change the native_vlan paramater from "1" to "let's" say "102". That seems to affect it. Of course it may be just coincidence. What am I doing wrong? How should it work?How should you actually configure each port on a switch? (trunk?, Tagged/Untagged VLAN?)If you do not use Telephony OUI. Do you still need to configure the macros on the smartport defenitions?
I have tried about everything. I have also tried Telephony OUI, but it doesn't make any difference. I just can't get it to work properly on the non-PoE switch.
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Jun 3, 2012
We have two Cisco switches with one 3560 and one 3750 we have created a new Vlan 4 with IP 10.1.3.x 255.255.255.0 - no shut then assigne to gi 2/0/46 on the 3560 Vlan 4 ip address 10.1.3.x 255.255.255.0 no shut then assign to FA0/45. All interfaces are up up along with the Vlan up up, we can ping the local IP address bu not able to pint the other switch.
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Sep 25, 2012
I need to apply DHCP snooping on 4500 series switches working as L2 in my Network. We have external DHCL Server in another location connected with 6500 series switch.
Running EIGRP Configured Voice & Data Vlan both
DHCP Server -------- 6509 switch<----------------------------------->6509 Switch -------- 4500 switch ----------------------------------------------------------Ip Phones.
(ving Redundant) (ving Redundant)
I need to know whether the configuration which I mentioned in scenario is enough for apply DHCP snooping in my network.
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Nov 27, 2011
I have had the Netgear 3300 Dual Band for three years. Everytime I wanted to access using my laptop, I had to choose between 2.4G and 5G connection. For about a month now, the 5G does not show up. It doesn't show up as a network to select no matter what device I use. I have reset the router and updated the firmware. Both connection lights are blinking. I recently purchased and IPhone 4 and still I do not have the option of selecting 5G.
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Mar 7, 2012
The Network icon in the notification area in the bottom right hand corner of my screen will almost always look like this:Quite frequently, though, I will get an exclamation mark inside a triangle with a message instead saying No internet access (I don't have a screenshot). If I give it a few seconds, usually never more than a minute (30 seconds on average it seems), it corrects itself and gives me back internet access.
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Jun 30, 2011
My router has been working for close to 4 years now with minor problems, just stopped yesterday, All my PCs lost wifi access and then when I looked at my Linksys WRT300N only the 4 Ethernet port lights were on. Unplugged plugged it again, I connected one of the PCs to the one of the Ethernet port, the PC is reporting that there is nothing connected to the other side. It's been 4 years already, I do have a Linksys wireless G router even older than this which is till working. I guess its spoiled, I don't mind replacing it
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