Cisco Switches :: Change Admin Service Ports On SG300-10?
Oct 29, 2011
I recently purchased an SG300-10 switch. Is it possible to change the TCP port numbers for the administrative services on this device? For example, if I wanted to change the web admin port from being availble on port 80 to port 8080, or move the SSH port from 22 to 2022, how would I do this?
I've looked over the web admin interface, and the Security > TCP/UDP services option looks like what I want, but I see no way to change a service's listening port. Is this possible?
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Feb 14, 2013
Is there an SG300 or SG500 that has all ports as SFP ports?
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Sep 30, 2012
I just recently purchased an SG300 10 port switch. After reading through many of the threads here, I was finally able to get the different VLANs to route properly. However, I'm having a unique issue that I'm not sure if it's related to the switch or not. I currently have 2 VLANs configured on the switch.ports 1-4 are native vlan 1 (192.168.1.X) ports 5-7 are VLAN 10 192.168.10.X (Trunk Port with VLAN 1 tagged and VLAN 10 untagged)I have a Hyper-V server connected to both of these networks. The VMs are running on both VLANs on port 5. I have the following problem:When I have a domain controller VM on VLAN 10, I notice that many of the DC communications failed. I took a network trace and noticed that many of the RPC port ranges were failing. I am able to ping all of the hosts on VLAN1 and vice versa. My question is as follows:Does this switch have some type of security option that blocks high range ports? I can't seem to find the menu option indicating that this is the case. I have already set-up a NETBIOS UDP proxy, but this hasn't worked much. I still have problems connecting to machines on this VLAN range.
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Aug 10, 2012
So, I spent some time this weekend troubleshooting the issues I've had with the new SG300-28P switch and POE to many of my devices in the office. As a recap, I cannot utilize all of the 24 POE ports on the switch for POE purposes. Really only every other port [with a few odd combinations thrown in between]. In addition, the SG300-28P switch, on occasion, is sending POE to non-POE devices [e.g. my Ruckus Zone Director 1106].
Here are my POE devices [all 802.3 af-compliant]: 3 Ruckus 7982 access points1 Pakedge access point2 home-automation controllers2 Polycom voip phones I called Cisco support several times in regards to this problem, and they figured it was a hardware issue - a faulty switch. So, Cisco sent me a replacement SG300-28P, which I hooked up today. The exact problem still occurs. Default configuration [fresh out of the box]. No way I can land, for example, the 3 Ruckus 7982 AP's on ports 1, 2, and 3 [or ports 1,13, and 2]. I have to put them on ports 1, 3, and 5 in order for them to power up. In addition, I can't plug any other POE devices on the ports either between or below them. I had to skip another port bay. This is very odd behavior!! Two Cisco SG300-28P's in a row with the same problem.
However, I also had one of the new Cisco SG300-10P switches in my possession for a recent project of ours. I decided to hook up the same POE devices to this switch. ALL POE devices were recognized and worked! No need to skip a port. And it didn't matter what device was plugged in first or not. I am now convinced that it is either a hardware issue [bad power supply/transformer?] inside all of the SG300-28P switches, or a firmware issue.
Both of the SG300-28P switches were running firmware 1.1.2 [the latest on Cisco's website]. So, I decided to install an older firmware version on the SG300-28P switch that I'm returning [installed 1.1.1.8]. Here's what I found out. I could then plug 2 POE devices [e.g. two Ruckus AP's] in adjacent horizontal ports, but not three in a row. In addition, not all adjacent ports. It's funky. For example, I could plug an access point in ports 20 and 21, but not in 21 and 22. No rhyme or reason in how it worked. And I still couldn't plug an access point in adjacent vertical ports [e.g. ports 1 and 13]. BUT...
It's interesting that the same exact switch that would not initially allow 2 horizontally-adjacent POE ports to be utilized WOULD allow 2 horizontally-adjacent POE ports to be utilized when running a different firmware version. It's also interesting to note that when plugged into a "non-working" POE port, the SG300-28P would actually make a small whining noise. Very subtle noise; I could hear it when approx. 1ft away from the switch. The noise was not noticeable when ports were skipped [and POE actually worked]. Therefore, I believe that Cisco has some SG300-28P firmware bugs [at least in the last two versions of firmware] that is not truly allowing all 24 ports to utilize POE correctly. This problem does not exist with the SG300-10P switch.
In addition, I'd like to know when they think a solution could be created if it's firmware-related. If hardware-related, I don't think I'll be recommending any 28P switches in our projects. Perhaps just the regular SG300-28 with a separate SG300-10P. It's a shame because the SG300-28P is more of a bargain when compared to the two separate components.
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Feb 26, 2012
Essentially, not all ports on our brand new SG300-28P switches provide Inline Power to our older 7900 series phones. I can connect the phone a couple ports down and it usually powers up, but not always. Often I can also connect an 802.3af device to one of the troublesome ports and it will received power, however I am noticing there are some ports that now refuse to supply PoE at all?
This is equipment that has been running perfectly fine for several years now, on C3524 PWR XL switches. I can also tell you that this is not isolated to one switch, but all 5 of our SG300 access switches. And, yes, the firmware has been updated to 1.1.2.0.
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Mar 6, 2013
I want to know if the SG300-28P can support 24 ports with 15,4w per port at the same time.
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Jan 15, 2013
I recently bough for a home lab a sg300-10 switch. I have enabled layer 3 routing on it and have come across a puzzling issue. The switch is the default gw on this network, and in front of the switch there is a cable modem (ip route 0.0.0.0 0.0.0.0 192.168.0.7).
This is my config:
config-file-header
switch5ed948
v1.2.7.76 / R750_NIK_1_2_584_002
[Code].....
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Jan 10, 2012
Brand new SG300-20, every now and then on console
12-Nov-2011 23:35:33 :%HAL_config_phy-I-CHNGCOMBOMEDIA: Media changed from copper media to fiber media (Unknown) on port gi19.
12-Nov-2011 23:35:33 :%HAL_config_phy-I-CHNGCOMBOMEDIA: Media changed from copper media to fiber media (Unknown) on port gi20.
12-Nov-2011 23:35:33 :%Fiber-I-SFP-PRESENT-CHNG: gi19 SFP status is present.
12-Nov-2011 23:35:33 :%Fiber-I-SFP-PRESENT-CHNG: gi20 SFP status is present
However these ports are not in use and have nothing installed...............Firmware 1.1.2.0 (latest as of Nov 2011)
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Feb 15, 2012
We had a number of Linksys SRW2048 / SRW2024 switches that had the "bloated capacitor issue" or "bad capacitor issue".These units would basically disconnect/connect their ports.Applications would sometimes crash on workstations.These were all located at different client sites.These were replaced under warranty with the SG300-52 units.When we implemented the SG300-52 units at several sites we noticed the the logs showed disconnect/ connects.We were not seeing apps crash.Support advised they were not aware of any issues.We did a firmware update that was available that made no difference. (1.1.0.73)6 months have now passed.
We noticed at our site very poor throughput one night doing a very heavy file copy data transfer between two computers.It actually ground all other computers on the network to a halt.We inspected the switch.It had "all lights flashing".We thought this strange and shutdown the whole system. Problem still existed.Power cycled the switch. Problem still existed.Noticed their was a new firmware update. (1.1.2.0)We implemented this.The lights on the switch stopped "all lights flashing".Throughput was back to normal. (ie didnt grind all other computers to a halt)
We then had a second site complain of similar issues.Heavy throughput between two computers bought all other computers to a grinding halt.Lights were "all flashing" on switch.Workstation would disconnect/connect in a loop during heavy file copy.We implemented the firmware update thinking this would solve the issue.It now still has the issue of disconnect/connect however and apps sometime crash.We have now replaced the switch with a HP 2510-48G.This is working properly.I have now since been to other sites that also have these SG300 switches and notice the "all flashing lights".
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Mar 19, 2012
I have a Cisco SG300 switch on which trunks are configured. I have a server which sits on the switch via a trunk link of four network cables (4 Gbps total)on which LACP is enabled. I'm having trouble connecting to the server using VNC from a computer on the network. It doesn't happen all the time though, it's just random.
On looking at the logs of the switch, I saw something unusual. The trunk that connects the switch to the server is constantly removing all the member ports and adding them back again after a few minutes interval. That causes the trunk link to flip on and off all the time. What could be the reason that's causing it to happen? I know it could be the network cable but I'm using brand new cables and the server also is brand new.
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Aug 29, 2011
These are our first switches and seems like GUI is lot different than the online. Out intervlan routing is o not working. I am absolutely sure that I setup the switch in L3 mode since it allows me to create mutiple interfaces. I am hoping that this GUI issue is related to interVLAN routing.
Below is the blog I started for InterVlan issue [URL]
This is the link for online simulator and what I see in its IP tab. I know this switch is not SG300. [URL]
This is what I see on our switch.
Our switch version
switchd64684#show version
SW version 1.1.0.73 ( date 19-Jun-2011 time 18:10:49 )
Boot version 1.0.0.4 ( date 08-Apr-2010 time 16:37:57 )
HW version V01
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May 26, 2011
1) I have a Cisco SG300-28P. I plan to add a SG300-52. Would it be possible to manage the new switch through the SG300-28P web browser ?
2) There are 2 fans in the POE model SG300-28P. How many fans are they in the non POE switch SG300-52 ?
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Feb 8, 2012
Can I connect a single Cat5e cable between two SG300-28 and link them? If so what must I configure?
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Jul 25, 2012
I have SG300-28P that I am using as layer-3 switch. Recently I ran in to SG300-52 switch and even though loading same firmware doesn't give me option to do layer-3 switching. For SG-300 I see options in GUI to create vlan interfaces under IP information section, while SG300-52 has IP information option only under the management section.let me know if these are 2 different hardware types and L3 is not possible on SG300-52. If its possible to enable L3 switching on SG300-52?
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Jan 18, 2011
This is an interesting and don't know where to begin.From factory reset I connect a latop to 192.168.1.1 and change the IP address to my subnet 192.0.1.5/24. I disable DHCP too.THen i plug it in to my LAN and I can ping 192.0.1.5 but can't http to 192.0.1.5
So I remove from LAN, connect to my laptop, manually change my laptop op to 192.0.1.4/24 and then my laptop can http to the AG241 on Linksys AG241.Is there anything on the AG241 that could be confusing my LAN?
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Mar 11, 2012
I recently switched ISPs, and the new one gave us a Ubee DVW3201B as our home gateway. I want to change the Administrator username/password from the defaults, but I've been having some difficulty.
Every time, after I save the new username and password, I'm prompted to re-authenticate to the administration interface. It fails no matter what I try. I've tried using:
New username / New password
Default username / New password
Default username / Default password
None of the above works. This has happened twice now, with my only recourse after failure being to do a reset to factory defaults (press and hold the hard reset button for 10 seconds).Is there something I'm missing?
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Jan 8, 2012
I just recently bought a WAG160N and I have a big issue with it, I can't change the password for the default admin account. All I get is this error in the browser "Error 324 (net::ERR_EMPTY_RESPONSE)"
Quick reset.Power cable disconnect for 60 sec.Factory reset followed by a reset of the router for 60 sec.Clearing my browsers cookies and internet temporary files.Only things I have changed is the Basic Setup to get connected to my ISP and the Wireless settings.
Details about clients, firmware versions etc.
Windows 7 build 7601 Service Pack 1 Chrome Browser 16.0.912.75 Wireless-N ADSL2+ Modem Router V2 firmware version 2.00.20
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Nov 21, 2011
I'm replacing 2 3COM 4500 Swithes with the SG300-52 Cisco switch. We have 3 VLANs, 10, 20, 100. The switch is set for Layer 3 and I have setup DHCP relay. what settings i should set on the Cisco for the following setups:
3COM Setup
#
interface GigabitEthernet1/0/1
[Code].....
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Jan 1, 2013
We have several of the SG300 Serices switches. We use them to route VLAN traffic to Remote Offices, Internet Connections, and WiFi Access Points.In one remote office we have a SG300-10 setup to route the HQ Network and the remote Office Subnet. The SG300 is Connected to HQ via Fiber and has multiple Tagged VLANs on it. If I do speed tests over the Fiber Link on the Incoming Tagged Netwotk I get Decent performance, 80Mbs. If I switch to a networtk that is not priginating from HQ, and have the SG300-10 route packet, I get dismal performance. 15-20Mbs.
I Fireded up a New SG300-28P FW v1.2.7.76. Added a the HQ VLAN 101 and new VLAN 1025 . Mapped some Tagged and untagged ports for each. Switch was connected to HQ Network as untagged VLAN 101. I put a laptop on an Untagged VLAN 101 port. Ran some tests, cam back with 750-850Mbs. Great. Put the same laptop on a Tagged 101 Port, Configured the NIC for Tagged VLAN 101, Same test, same Speeds, 750-850Mbs.I then Configured laptop for Tagged VLAN 1025. Connected to tagged VLAN 1025 port. Ran speed tests, resuts were 15-20Mbs!
I then Configured laptop for Untagged VLAN 1025. Connected to unagged VLAN 1025 port. Ran speed tests, resuts were 15-20Mbs!It was only the Laptop and the Connection to the HQ net on the SG300-28P. Why is the performance of this unit soooooo poor when it needs to route?Other Switches have FW v1.0.0.27 or FW v1.1.2.0. They have Similar speed issues. All Configured for Layer 3.
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Dec 18, 2011
does the SG300 switches can be used with Microsoft NLB in Multicast mode?I know on traditional Catalyst switches you can statically "map" IP's to mac's and then to multiple ports but this doesn't seem to work correctly on the SG switches - it gives an error about the mac not being not Unicast?
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Aug 7, 2011
Any snmpset commands to add, modify and delete vlan table entries on SG300-10 switches? I checked url... however this information is apparently only valid for catalysts. The latest firmware is installed and the provided MIB files are used.
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Aug 20, 2012
I'm going to have several SG300-28P switches to setup. I'll need to create multiple vlans for data, voice, and wireless traffic. I have the following questions in setting up this configuration:
VLAN 1 Management
VLAN 100 Data
VLAN 200 Wireless
VLAN 300 Voice
1) For managing the switches via IP, will LAN1 be the default management network? Should I create a seperate VLAN for managing the switches?
2) For uplinking the switches together, I plan to trunk a port to connect the switches together. What's the configuration on the trunk port to forward all vlans from one switch to another?
3) On some ports, I want to configure a trunk for two vlans (Data and Voice) where the phone has a pass through for PC. The phone supports tagging for the PC and the VoIP traffic. For example on port 10, would VLAN 100 and 300 be set to tagged?
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Jan 15, 2013
i have a Cisco Router 8803G and i would like following commands to be run by telnet:
1) erase an admin user
2) change the password of an admin user
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Jul 8, 2011
I just got a WRV 210 wireless router (three of them actually, planning to set up a VPN). But I can't set the admin password. I've tried 4 times, and every time, i've got to hold the reset button to reset to factory settings in order to access the management pages! I enter the new password in both fields, and then click to save the settings. It restarts. Then i try to log in - and it doesn't accept the new password. It doesn't accept the default password. I've tried with admin/(new password) and (new password)/(new password), and admin/admin. None of them work, forcing me to reset router to factory settings. I've tried a password composed of 6 letters followed by a . Thinking that maybe the . was throwing it off, I tried 6 letters followed by 3 numbers. That doesn't work either. I've updated to firmware version 2.0.1.5. No luck.
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Apr 17, 2012
how to change username admin to something different. I can reset the router password but there's no easily identifiable option for changing the username.
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Jun 6, 2012
I just purchased an SG300-10 (negular, non-POE) and planning on using it with no special configuratinos initially. Longer term, will be using VLAN and QOS for VOIP.What I would like to know is if ports 9 & 10 can be used as standard copper cat5e ports, or are they only useful for special purposes? When I hookup my router/firewall to port 1 it all appears to work. If I hook it up to 9 or 10, the port lights do not come on and it doesn't work. I read that ports 9 & 10 don't have POE on the POE switch, but I assumed that all 10 ports would function with cat5e?
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Jan 19, 2012
I'm having alot of trouble trying to connect more that one LAG between two SG300-52 switches.Basically i have configured both switches with the same vlans. For 2 of the vlans i would like to connect them together between the two switches using LAG. Switch1 has Vlan 5 (ports 1-12) & Vlan 10 (Ports 25-36) with LAG configured on ports 1-2 and ports 25-26. I have setup the second switch identical to the first. But when i connect the LAG's there is no connectivty. If i disconnect one LAG the other starts working.Can you only have i interconnect LAG between switches?
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Apr 22, 2012
I have two SG300 serie switches and two Gigabit connection between them. How do I configured these two links to work toghether like a one 2 Gigabit channel?
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Jun 9, 2012
I have logged into the admin area 192.168.... And I do not see where to change the SSID.
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Jan 10, 2013
How can I change the language of the admin interface on a belkin wireless router (F7D2401) it all appears dutch.
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Nov 8, 2011
I need the conception of the local network for my company. I have seen the sg300 switch that can be good for me (excuse my bad english, i am french). I have 12 servers (database + file servers) that i want to plug on the sg300 20 ports. I want to plug on it 3 switch sg300 52 ports that contains ipphone, desktops and printers. (about 70 users)
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May 14, 2013
How to create a mixed service ports on ASA 8.4(2)?I need to create a service group which has ICMP, TCP ports and also different UDP ports.Normally you would create different service group based on TCP/UDP/TCP-UDP/ICMP/Protocol and add then to new nested service group.But I want to create a new service group where you can define everything without the need to different service groups and nesting them into a new one.
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Jan 31, 2012
it says that the cisco sg300-28 managed switch default system mode is Layer 2. but i want to change it to layer 3.
i can't get inside the "Console Interface Main Menu" where the switching from L2 to L3 will be done.
I have done the ff:
1. Upgraded firmware to 1.1.2.0 (latest)
2. Reset the switch to factory defaults.
3. The guide stated that in order to perform telnet to the switch, you need to enable it. So I logged in first in to the web GUI and enable telnet service.
4. I can now start telnet on the switch but I can't see the "Switch main menu".
All I can see are these lines from telnet:
User Name:cisco
Password:******
switchd5928c#
I just want to know how to get into the console interface main menu where these lines should appear so that i can change the system mode:
• System Configuration Menu
• Port Status
• Port Configuration
• System Mode
• Help
• Logout
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