Cisco :: How To Open Port 161 On Switches And ASA For BB Monitoring
Nov 7, 2011
I want to setup BB to monitor snmptraps with failure. The BB log shows can't connect to all switch ports 161, and I even can't telnet to XXX_17f 161 for example. My switches are Cisco C3550, C2950, ASA etc.
Mon Nov 7 15:43:03 2011 bbnet Can't connect to server XXX_17f on port 161
Mon Nov 7 15:43:03 2011 bbnet Can't connect to server XXX_9f on port 161
Mon Nov 7 15:43:03 2011 bbnet Can't connect to server XXX on port 161
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Dec 25, 2011
When checking my port forwarding, it says that it is not open.
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Feb 7, 2011
I have just upgraded my AIM and Skype messengers and now it won't let me sign in. I did before with my old versions. It is saying that my internet connection is bad which it is not. I have looked up ports in my Yahoo messengers, Control Panel and Bit Torrent still nothing.
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Aug 26, 2011
how do i open a port on Motorola modem
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May 23, 2012
When checking my port forwarding, it says that it is not open. Why?
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Jan 29, 2012
I get a empty blue window when I try to open "port to VLAN"
We have upgraded the software but it doesn't work.
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Apr 21, 2013
I am a network engineer at a company with more than 300 Cisco switches to monitor and maintain. Any recommendation on a monitoring software providing details such as network topology and links?
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Jan 5, 2012
I've just gotten a SG200-08 (SLM2008T-EU), which I would like to monitor remotely from Cacti using SNMP. It seems however, that this switch has no SNMP support - is this correct? Does this mean that there is no way to monitor traffic over the switch's ports short of making a script access the web UI?
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Apr 10, 2012
I was positively surprised to find the optical transmit/receive values using the show fiber-ports optical-transceiver detailed command on a SG300-10.
Now I'm wondering if there is also a SNMP-MIB to query these values? I've already tried the CISCO-ENTITY-SENSOR-MIB used by the larger devices running Cisco IOS, but this didn't work.
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Nov 21, 2011
Does the SGE2000 supports NetFlow? I've checked the Cisco docs and also called Cisco support to which no one has been able to answer me.
Anyhow, just in case it doesn't support NetFlow, how to be able to set up something that would be able to check the bandwidth usage on each port?
I've got a problem where I think the SGE2000 switch is failing when I pump around 190~200Mbps through x2 of the ports (Server A on port 1=130Mbps and Server B on port 2=60Mbps) of Multicast traffic (UDP). I can measure the output from the Streaming servers that provide the multicast content, thats how I know the input to the switch and I know that there are no packets lost or any errors departing from the servers, yet when I increase server B to say 80Mbps, I get break up and all sorts of problems on the client end STBs and it is happening on the multicast content provided by Server A too which is a different source, so I'm 99.9% sure its a SGE2000 switch problem which is why I'd like to monitor it somehow.
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Mar 8, 2011
I had an interesting issue utilizing a monitoring software for our routers and switches. The monitoring tool indicated a few switches were down, however was unable to ping or telnet into them from the computer I had the software installed on.
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Feb 27, 2013
how to configure SLA monitorin for Dual Path default route in Layer 3 switches, like C3560?
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Sep 18, 2012
I have only recently noticed a HUGE decrease in my Utorrent speeds, so i thought i would have a gander and lo and behold.apparently the port Utorrent uses wasn't open. Now, i have tried about 10 different port numbers, made sure Utorrent is being accepted by Norton 360 Firewall,followed complicated directions to (i think) foward ports, and also follow directions to open a specific port.Nothing has worked so far, Utorrent still comes back with a port closed error.
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Nov 7, 2012
I'm setting up a Network Monitoring System in Nagios and Nagvis. Now, I want to monitor the cpu and memory of the switches SGE2000 and SGE2010 with SNMP. Does the OID for the switches SGE2000 and SGE2010 (CPU and Memory).I can't not seem to find them on the Internet(searched for hours).
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Jul 26, 2012
I have always done my port monitoring (SPAN) on Cisco layer 3 switches with no issues. This time I am trying to do this on a Cisco 2901 router:
Cisco IOS Software, C2900 Software (C2900-UNIVERSALK9-M), Version 15.1(4)M2, RELEASE SOFTWARE (fc1)
System image file is "flash0:c2900-universalk9-mz.SPA.151-4.M2.bin
I need to have the source port gig0/0 and destination port gig0/1. There is something about the gig port enumeration (slot/port#) that makes the command rejected. It is self explanatory:
#sh ip int brie
Interface IP-Address OK? Method Status Protocol
Embedded-Service-Engine0/0 unassigned YES NVRAM administratively down down
GigabitEthernet0/0 xxx.xxx.xxx.xxx YES NVRAM up up
GigabitEthernet0/1 unassigned YES NVRAM up up
Serial0/0/0:0 unassigned YES unset up up
[code]....
It doesn't matter what slot or port number I use, it is always rejected. The command is rejected for Both destination and source gig interfaces. I tried a wide variety of slot/port numbers. To my best understanding the complete port names are: GigabitEthernet0/0 and GigabitEthernet0/1, so why does it think there has to be another digit after 0/0 or 0/1? Does it have anything to do with the Embedded-Service-Engine0/0 being administratively down?
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Jan 16, 2012
In s SPAN session , normally the destination prt is used for monitoring purpose only. But could destination port be used to access the equipement or PC connected to that port , for a 2960 LAN BASE image switch .
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Aug 1, 2012
I am looking to simply monitor Port-Security , Error-Disable and HSRP. I would like to receive an email when any of these are triggered.
Port Security - Port Is shut down
Err-Disable - Port goes into err-disable state (securedown)
HSRP - When HSRP standyby changes are detected
I need to receive emails with any of the able are triggered. What is the easiest way to do this? I know SNMP is the main option but I have never worked with SNMP and dont understand it too much.
Equipment:
2x Cisco 1921 series routers
3x Cisco 2960 POE switches stacked
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May 12, 2012
What is open port 49153 used for and how do I close it and any other open port that I don't know they got opened in the first place.
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Sep 5, 2011
how do i open port 22 in my router
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May 29, 2012
My friend is trying to open port 88 and it says this specific message "The specified ports are being used by other configurations".I did a netstat, netstat -a, and another netstat that i forgot and we could find anything on his computer using port 88.His router is a Netgear wndr3400.
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Dec 10, 2012
I have an IP camera (foscam). It's connected to my wireless router. My router is connected to my motorola cable modem. My isp is Cox.I want to be able to view this camera from outside (ie: when I'm at work) by going to http://(my real ip) : (port). Port that I use is 88. I can't seem to do this.
First I set the port 88 to the camera's config. I can see the camera when I'm at home (going to 192.168.1.106:88). Reading the manual, I need to forward the port 88. So I go to my linksys wireless router 192.168.1.1 and single-port forward 88 UDP TCP (both) to 192.168.1.106.This doesn't solve the problem.I go to Open Port Check Tool and put in port 88 and it says I could not see your service on (my real ip) on port (88)
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Jun 14, 2011
I have a say 'server', with win xp running on it. I want to open a port on the system so that that computer can be accessed within the network domain. for example when i open an internet explorer browser and type in [URL], i need to be able to connect to the /mls.net/eclispe.aspx present. so for that i have to be able to open a port
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Feb 15, 2012
i have isp ip address i have opened port 9000,37777, 80 but when i check my port if there opened or not it keeps on say block?
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Feb 26, 2011
i just ran a NMAP scan on the outside interface of a ASA 5520. It seems that the TCP Ports 7070 and 554 are open on all NAT interfaces and the outside interface of the firewall. I tried telnet on port 554 and 7070 and got connected.
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Jan 17, 2012
I have a RV042 Dual Wan. Two internets balanced wow! who would've thought that the headaches were waiting patiently right down the corner.
I was working with a 2wire Gateway that came with my ISP. I was able to open the ports in order to have public access for my students and teachers to upload their work. All I had to do was to allow my server ip address to have access to different ports blocked by the ISP. I used [URL]
I bought the RV042 for various reasons like excellent content blocking, load balancing, quick vpn, among other. But I just can't open the port 80 while having having my two ISP connected with load balancing, not even while having only one modem connected.
I have resolved many issues using the protocol binding. I have tried everthing. I just don't undertand something.
Whenever I connect my server to my old router, "www.canyouseeme.org" tells me that my port 80 is open. Whenever I connect my servet to the RV042-DW, my port appears closed.
So it's not any OS issues.
I've tried:
- To forward the TCP 80~80 port to my server static ip address... but failed
- To enable UPnP function with the same port... but failed
- To configure the port triggering with the same port.. but failed.
- To disable the firewall.. but failed.
- To use transparent bridge in the WAN1 with my 2wire Gateway... but failed
- To set up an account in DNS.ORG already had one, everythings is in green.. but failed.
- To change the configuration in my old 2Wire Gateway router to allow a DMZ zone so all ports are public... but failed.
- To assign RV042 router ip address in my old 2Wire allowing that specific address to allow certain ports to be public... but failed.
I have the Firmware v4.0.4.02 from DEC/11
[URL]
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Mar 2, 2013
I need to open ports 9080 and 5280 on my Cisco ASA 5505 firewall and despite doing everything I THINK I needed to do...when I run the utility to check from outside; it is NOT open....I utilize a website called [URL] (very good for these kinds of things) I have added the specific port(s) to my services so that I can CHOOSE them; added an ACE/ACL to; added incoming/outgoing rules to accomodate traffic to those ports....NOTHING.
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Sep 8, 2011
This is problably a stupid question but how do I open a prot on a cisco 1811? I have a cisco 1811 and a computer that has VNC installed on it. I want to be able to access that computer from out side the network using the external ip address and port 5950. People outside the network will be able to open vnc viewer and type in *external ip address*:5950 and it will be directed to the computer with a static internal ip address of 10.11.101.10. What commands do I use to do this?
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Feb 14, 2012
We have an ASA5510 that we need to open port 25 to allow mail traffic to our internal Exchange server.We have 2 interfaces defined... one named Internal on eth0/3 ip 10.1.x.x and one named Internet on eth 0/0 ip 96.56.x.x.We followed the instructions in ASDM for allowing access to a public server but confusion over definitions have stopped us.ASDM asks for the internal interface and the internal server IP... no problem there because the internal interface and server have two different IP addresses. The Internal interface is eth 0/3 (10.1.1.1) and the server is 10.1.1.2.
However, when we get to the External interface (eth 0/1) there is only a single IP address 96.56.x.x but the ASDM asks for an Interface IP and the IP people would use to get to the mail server from the outside. Inasmuch as we have only 1 external IP address (which connects to our upstream Cisco router which in turn connects to the ISP modem) we used the same IP for both but the ASDM returns an error indicating they must be different.
Apparently we do not have a clear understanding of what the ASDM is actually asking for. When the ASDM asks for the external interface we assumed it was asking for the named value we gave the interface (which is Internet). The named value "Internet" has an ip associated with it 96.56.x.x. But when the ASDM asks for the ip people on the outside would use to get to the mail server (we created a named value called "mail server" and gave it the same ip address as the external named value. This duplication of ip address causes the ASDM to return the error stating that external Interface to be used and the external ip to be used cannot be the same.Have we made an error when we assumed that when the ASDM asked for the external interface it meant the ip of the external interface or was it asking for the eth number (as in eth 0/0) for the interface?
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Mar 31, 2012
I just bought and setup a RV110W. I noticed while scanning it from the WAN side that it always has port 443 open, even when remote management and VPN access are disabled. Why is this port still open, and how do I close it? Or is this a bug in the firmware? I am using firmware version 1.1.0.9, which is the most up-to-date for this unit. Having open ports allowing unsolicited contact from the WAN side, especially inadvertant ones, is a major security hole.
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Jun 30, 2012
I have a static IP address over 100Mbit fiber. I've installed a Mac Mini as a webserver and opened the ports 80, 443 and 5900 and a few others for minor services. Everything works fine: the http server (and https as well) is up and pepole can reach it from wan.Yesterday I tried to setup the FTP service with less success. Into the ACCESS RULES I enabled the FTP service and, as a result the port 21 opened up.
But if I connect via Cyberduck to the server I can navigate through the folders but I can't download anything. So I tryed to open up the port 20 for data transfer with no result. Same issue when I tryed to setup the AFP service to mount remotely server volumes: port 548 opened up but no success with port 549.
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Nov 29, 2011
How do FPS's open UDP ports without needing to configure the router to forward them?I never have to forward ports from my router to my PC. Every game i have somehow manages to open the UDP ports it needs without me having to configure my router. Yet when i check to see if those ports are open (prior to starting the programs) they always come back as blocked or closed. Now I'm currently working on a UDP Internet program and need to know how to do the same thing - open ports on a router without having to make the customer configure their routers. I'm THINKING that other programs start with a TCP/IP connection on the desired port and that opens the UDP port. Is this the answer or is there another method used?
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Jun 25, 2011
to access VOD database i must open three ports on the router - not sure how to
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Feb 21, 2011
i have 3g mobile dvr, put a sim card directly into it and it gets an ip address and you should be able to view it remotely but i cannot connect. i can ping the ip no problem and i checked that the port the dvr uses (9000) was also open on that ip and i used a locator to trace the ip and it pinpoints the ip to my isp's base so why i cannot connect to it
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