Cisco Firewall :: PoE Blinking On ASA 5505
May 16, 2013
I have a 5505 firewall deployed in a home office with two 7941 telephones behind it. The phones pull PoE from the ASA. The firewall was deployed a couple weeks ago, and everything worked great for about 2 days. (This configuration has been working for a couple years, but I just upgraded the 5505 to a new one with more RAM so I could run 8.3 and higher.) Then the phones lost power from the ASA and they now "blink" about every 3 seconds. They go on, off, wait three seconds, then go on, off, wait three seconds, etc.
I was not able to solve the problem by shutting and no shutting the ports, and there is little-to-nothing that you can do from the CLI to configure the PoE. I changed software versions for troubleshooting, but the problem persists. A reboot fixes the problem for a couple days. Then, the problem reoccurs.
A "show power inline" yields the following when everything is working.
Home5505# sho power inline
Interface Power Device
--------- ----- ------
Et0/0 n/a n/a
[Code].....
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Sep 7, 2011
How I can actively monitor the interfaces and overall status of 2 x ASA 5500s in an Active/Standby configuration?
I can setup monitoring of the interfaces on the Active member but I'm not sure how to manage the Standby member?
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Apr 24, 2012
We were having a discussion of ios firewall vs. asa for smaller clients(less than 50). On using ios firewall(zbf or cbac)and an asa 5505/5510. One of the arguments brought up on using ios firewall on the router is that a router will do an ip sla failover. I have configured a number of isr's for this and i know it works good.
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Feb 19, 2012
I have a Cisco ASA 5505 in our office. We are currently using Interface 0 for outside and 1 for inside. We only have 1 Vlan in our environment. We have two three switches behind the firewall. Today the uplink to Interface 1, to the firewall, on the switch went bad. I want to setup a second inside interface on the firewall and configure it as failover incase this happens again. I want to attach it to the other switch. Can I do this? If so, what do I need to do? would it only be a passive/standby interface?
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Aug 23, 2011
setting up an ASA 5505 to be used as a firewall between a BT internet router(BTNet service) and a Cisco 3560 Lan switch. BT have presented me with a cisco 3800 series router with the following details:
Network Address Network Mask BTnet NTE Router LAN Address
There are 2 Gigethernet ports on the back of the router port Ge0/0 is connected to the BT NTE and the status light is flashing green. Int ge0/1 is connected into port int e0/1 of the ASA but i am unable to get any connection.
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Feb 27, 2013
I'd like to see some REAL LIFE comparisons of ASA firewall throughput (a bit like this one for ISR G2 Routers - [URL].
The reason I ask is that I recently upgraded a firewall from an ASA5505 to an ASA5520 on a small network where the only outside connectivity was a single 10meg Internet circuit with an IPSEC VPN (not landed on the firewall but on a router) to another site.
When I swapped out the firewall the users noticed a big improvement. The firewall is not doing anything out of the ordinary - no IPS or VPN, just standard state full inspection.
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Dec 22, 2011
Trying to set up a asa 5505 in transparent firewall mode. I cannot set the management ip address:
ciscoasa> enable
Password:
ciscoasa# config term
[Code].....
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May 3, 2011
I have been working with ASA 5510,20,40,80 but not with 5505 this vlan and its interfaces are quite confusing.Just want to know how it works and its connectivity to Cisco Switch.Do i have to put the interface of the switch in the same vlan as i am creating the interface vlan in firewall ?Now the switch port connecting to this Eth1 interface should also be in the same vlan ? i.e vlan3 ?? or it will be in trunk ? The default configuration shows the eth0 with no access vlan and interface eth1 with access vlan 2... does it mean the eth0 is in vlan1 ? (Nativ Vlan ) ???
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May 28, 2012
I have a cisco asa 5505 firewall. Is it possible to block secure websites in it like [URL]? I have already tried regular expression filtering but it filters only http traffic.
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Feb 26, 2011
I am trying to configure our ASA 5505 so that our users can access our ftp site using [URL] while inside the firewall. Our ftp site is setup so that you can reach it by either browsing to the above url or by browsing to ftp://99.23.119.78 but we are unable to access our ftp site from either route while inside the firewall. We can access our ftp site using the internal ip address of 192.168.1.3.
Here is our current confguration:
Result of the command: "show running-config"
: Saved:ASA Version 8.2(1) !hostname ciscoasaenable password qVQaNBP31RadYDLM encryptedpasswd 2KFQnbNIdI.2KYOU encryptednames!interface Vlan1nameif insidesecurity-level 100ip address 192.168.1.1 255.255.255.0 !interface Vlan2nameif ATTsecurity-level 0pppoe client vpdn group ATTip address pppoe setroute !interface Ethernet0/0switchport access vlan 2!interface Ethernet0/1!interface Ethernet0/2!interface Ethernet0/3!interface Ethernet0/4!interface Ethernet0/5!interface Ethernet0/6!interface Ethernet0/7!ftp mode passiveobject-group service DM_INLINE_TCP_1 tcpport-object eq ftpport-object eq ftp-dataport-object eq wwwaccess-list ATT_access_in extended permit tcp any host 99.23.119.78 object-group DM_INLINE_TCP_1 access-list ATT_access_in extended permit tcp any interface ATT eq ftp access-list ATT_access_in extended permit tcp any interface ATT eq ftp-data access-list ATT_access_in extended permit tcp any interface ATT eq www access-list 100 extended permit tcp any interface ATT eq ftp
[code]....
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Nov 21, 2012
New to the ASA 5505 8.4 software version, but here is what I'm trying to do:
-Single static public IP: 16.2.3.4
-Need to PAT several ports to three separate servers behind firewall
-One server houses email, pptp server, ftp server and web services: 10.1.20.91
-One server houses drac management (port 445): 10.1.20.92
-One server is the IP phone server using a range of ports: 10.1.20.156
Basically, need to PAT the ports associated with each server to the respective servers behind the ASA 5505. Is anything missing from this config? Do I need to include a global policy for PPTP and SMTP? [code]
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Apr 27, 2011
I'm integrating a Cisco ASA5505 with a Websense proxy. I have a configuration setup where we have four routers which are used for Internet access. There are two VLAN's - Guest and Private. What I would like to achieve is making the use of available bandwidth by load distribution via GLBP, and filtering users web traffic. Two routers will be used for a GLBP group in one VLAN, and the other two routers will be used for GLBP in another VLAN.The users are connected to a Cisco 2960 switch and are in their respective VLAN's. I'm planning a 802.1q trunk to a Cisco ASA from the 2960 switch, carrying both VLAN's.What I would like to know is if there is a CSC module (or similar) which has Websense installed on it, and if it is possible to setup the ASA5505 in transparent mode to filter the traffic in this way? Hopefully this would allow multiple users to take advantage of the additional bandwidth, and not be restricted by using a traditional proxy setup which where all web traffic would be originating from a single MAC address.
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Apr 30, 2012
I have an issue with my firewall,each time i configured a trunk port in the firewall and connect a sw 2960S with a trunk port also, all the interfaces in the Firewall go down ( virutal intertaces, inside, outside , dmz) , also another switch 3750 that is connected to another port in the firewall( access port only) it start to a new negotiation of spanning tree.What could be causing this problem? the firewall didnt sedn bdpdu i think the IOS of the firewall its a 8.2
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Jun 12, 2012
we are planning on connecting a new aquired company to ours soon?We will connect the remote site to the HQ via a D3. I've been told we will need to have a firewall between them and us for a time. I was thinking of terminating the D3 connection at the remote site of 80 users. Can I use the asr as a firewall as well, to protect the HQ from the Remote site - or should I use a seperate appliance?I was thinking of a asa5505 but, am concerned with bandwidth limitations of the box?
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Sep 11, 2007
I want to configure an ASA 5505 in transparent mode (7.x). Somehow, I got it to work.. but i need some kind of step by step description. I just want to connect it with outside on a route .. inside in my LAN. Its working now with one ASA. But in the Web Interface the Interfaces inside and outside are down.. but its working.
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Nov 11, 2011
When I upgrade the ios on switches, I just create int vlan1 assign it an ip and subnet, then tftp to my pc that is plugged into the switchport using the download-sw command.
I am not sure how to do this on the asa. Do I just plug my pc into port 0 which the documentation says is mapped to vlan 1 with and ip of 192.168.1.1? I tried this by making my pc's ip 192.168.1.2 but am unable to ping the asa. Do I have to change the security level or anything?
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Mar 18, 2011
I’ve been using a Cisco ASA 5505 Security Plus bundle for two years now without any problems. My previous Internet Service Provider was routing the external IP I was leasing directly through to my internal network without NAT which my ASA 5505 was working well with. Thus, I had configured my 5505 to provide NAT to my inside network which includes two subnets one for my workstations and internal "private" resources and a DMZ to provide access to my webserver, email server and two domain name servers; but restrict access to my internal; resources. i recently changed my ISP to Verizon FiOS (which is providing me with 25 Mb bandwidth at a fraction of the cost of my old T1) which is set up to provide 5 Static externally facing IP numbers for my email, webserver and name servers;. The problem is the Verizon router doesn’t support my use of the ASA Appliance (at least not the way it is currently configured. Verizon recommend I purchase a business class router and use it in place of the one they provided with my installation. With this in mind, I bought a Cisco RVS4000. I have configured it to use the primary external IP number and have internet access; however, the new router is providing NAT addressing which the ASA is in conflict with (they are both using the same NAT IP range). I'm assuming the ASA 5505 is expecting to have access to the external IP addressed (since that is what it was getting before) and NOT NAT address. How to configure the new router to either provide access to the five static external “real world” IP to my Cisco ASA Firewall. However, I just need to get my ASA 5505 back in the loop and would prefer to do this rather than go back to the Verizon router combined with a low end firewall. So, my questions are: Does the ASA 5505 expect real world External IP numbers? Or can it work with NAT addresses being fed to it from the router? And, if so, how do I configure the access rules and other items which are currently mapping to external numbers?
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Sep 21, 2012
I am configuring a Cisco ASA 5505 firewall.In the office there is 1 x SBS 2008 server and 5 x PCs, all sat behind a Netgear DGN1000 ADSL router.We want to implement a ASA 5505 for added security.I have configured the internal interface of the Cisco ASA 5505 to be 192.168.0.1 - this is connected to local switch. The client PCs use 192.168.0.1 as their default gateway.I have configured the external ASA 5505 interface to be x.x.x.217. [code]Change the current router status from Router/Firewall/Modem to Modem only (Bridge mode). The ASA 5505 has its outside interface connected into one of the LAN ports of the netgear. The lan port has an IP of 192.168.0.254.
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Jan 6, 2013
when i am booting ASA firewall i am getting the following error.
<0>Kernel panic - not syncing: Attempted to kill init! and it stops and will not work. check below the whole log file
how can i solve this issue?
Log file:
Evaluating BIOS Options ...Launch BIOS Extension to setup ROMMON
Cisco Systems ROMMON Version (1.0(12)11) #4: Thu May 1 14:50:05 PDT 2008
Platform ASA5505
Use BREAK or ESC to interrupt boot.Use SPACE to begin boot immediately.
Launching BootLoader...Boot configuration file contains 1 entry.
[Code]...
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Dec 19, 2012
Over the course of the past three days, our ASA 5505 firewall has shut down twice. I looked through the Field Notices and it looks like this was a problem identified several years ago that was resolved for units built after June 1, 2007. The serial number on our unit is not in the "effected" range.
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Sep 28, 2011
I have the 1131 hardware manual and it is stating that this is caused by a boot loader issue or the AP did not get the IOS file from the controller. We have a Cisco 4404 controller that this AP reports to. It was one out of 30 and after a reboot it is working fine. What can i do in the future to catch this and prevent this from happening.
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Sep 4, 2011
My router's LAN is not blinking and also my internet is not working!!
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Mar 22, 2012
My aironet AIR-AP1131AG-E-K9. has 2 small LED, which is E and R , This R led is blinking with red color, I want to know what does it mean.
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Jul 26, 2011
after a recovery of a main power failure the RPS LED on my Cisco 2960 is blinking amber. The command sh env power on the Switch tells me: POWER is faulty. sh env rps says: RPS is supplying.
On the RPS2300 the DC output LED is blinking green. Due to the manual this means: The RPS 2300 is backing up the connected device.
So far so true. The RPS has backed up for the time the main power supply was down.
But actually both, the Powersupply from the RPS and the main power are available.
But the Switch didn't switch back to it's bultin powersupply, so still the RPS ist suppling the switch.
What can we do to get the Cisco 2960 into the correct state? Is there a special command which i can use?
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Feb 18, 2013
I will be setting up a VPN with a client soon. They are shipping 2 Cisco 861's that are planning to go behind our ASA 5505. They are set up to be NATed.I am trying to understand what the best way to do this would be as I seem to keep running into limitations of the ASA 5505. Our ASA has a public IP of 2.1. 2.14/30 assigned to it's outside interface.The public IPs to be NATed to the 861's are 2.1.2.218 and 2.1.2.219/29.
1. How can I assign this seperate public IP block to the ASA? Is it even possible?
2. If not possible, what would other options be?
3. Would an upgraded license that allows for additional interfaces make this easier? (I would not do the NATing then, just assign the new public IP block to another interface)
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Apr 24, 2011
My company purchased a Cisco ASA 5505 firewall from our phone company, who installed and configured it but will no longer support it.
The first thing you should probably know is that I make no claims to know anything about Cisco equipment. My primary job is a Web developer, so I can work with Linux boxes, and usually fix them, but this thing is a Mystery to me.
The Quick Start guide url... says I can use ASDM if I go to url... When I try this with either Firefox or MSIE 8, the connection times out and I can't get to ASDM (which I was able to find instructions for)I am able to telnet in to the firewall, but have no clue how to use the Cisco CLI.
I was able to locate a 3800 page manual online, but since my primary function is actually production, and I need to produce products for our customers, I don't have much time to read and work through the manual to find what I need to know.All I have is the firewall itself. No printed manual, or software CD as mentioned on most of the online stores I can buy the device from.
Howto get ASDM working, or instructions on how to open up Port 23 so I can NAT it to 192.0.0.112 ?Just in case it is important, when the phone company installed our firewall config, we had them NAT port 80 to one server and 443 to another, so if these will affect what needs to be done, I can provide more information.
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Aug 21, 2011
I turned unplugged it and plugged it back in. Now its blinking green power LED. Is it dead?
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Jul 22, 2012
I have a WLC 5508, its PS1 and PS2 are OFF state, SYS is blinking amber and ALM is continues amber, Its port s are not coming UP and I am not able to access the Controller, All ports are physically down and in console nothing is showing when I connect through the console cable.
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Apr 23, 2010
I can't access our ASA 5505 via SSH from the outside. I've configured this through the ASDM to allow SSH (Device Management > Management Access > ASDM/HTTPS/Telnet/SSH). I added a rule that allows SSH on the outside interface from 0.0.0.0 0.0.0.0. When I try to ssh in with putty, it says "server unexpectedly closed network connection" When I watch the logs on the ASA, it shows a Built inbound TCP connection on port 22, but then immediately a Teardown TCP connection. It doesn't show it's being blocked by any rule. Is there something I'm missing on enabling SSH?
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Apr 8, 2013
I am new to the ASA so I am not completely familiar with it's ins and outs but here is the situation.I have a VPN connection that my company uses regularly. I have the VPN Pool on 192.168.18.0/25 and my Internal network at 192.168.16.0/24. My problem is that I have my phone system on 192.168.16. 254 and the only way to see it is if I change the pool to be within the same IP range as my internal network. The catch is that if I do this then that is the ONLY IP that is available to that VPN connection. Is there a way to make the 192.168.16.254 available to 192.168.18.0/25?
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Mar 25, 2012
Is it possible to install Content Security and Control (CSC) Modules on ASA 5505 ? Or only AIP SSC-5 Modules are the only modules that can be installed on ASA 5505s ?
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Mar 22, 2011
I have 2 web servers that replicate between them (two different internal ip). My idea is that if one of them will not work, the other to do the relay.I have a Cisco ASA 5505 I can do a nat for each machine. How should I set ?
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May 16, 2013
Could URL FIltering be implemented on Cisco ASA 5505-BUN-k9?i mean to block certain websites, like facebook, youtube, to block certain download files like .exe, .com .bat etc....Is there any extra license needed for this, or it could be done with the simple IOS ASA5505-bun-k9?
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