Cisco Firewall :: ASA5585 - Sub-interfaces On PO
May 17, 2012
I have put 2 physicl interfaces (te0/8 & 9) on the ASA-5585 into a PO and am assigning ips/vlans to the sub-interfaces. I have 2 issues: - Why am I not able to ping the other sub-interface from the ASA itself? (I can ping the 1st one), Secondly, why the IPs are not visible in "sh int ip brief" ?Although I can see them in "sh ip" ..
/actNoFailover(config-if)# int po17.100
/actNoFailover(config-subif)# vlan 100
/actNoFailover(config-subif)# ip add
[Code]....
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Jun 9, 2012
We have pair of ASA5585 (ver 8.4(4) with IPS module configured with Active/Standby failover. There are total 09 interfaces are connecting to different zones in the firewall and out of which three(3) interfaces are connecting to Palo Alto 2nd layer firewall. When we test the failover whatever interfaces not connecting Palo Alto failed or shutdown, ASA triggers the failover to other unit, however the Palo Alto is not detecting this failover and it still keeps its previous Active Palo Alto to pass traffic, thereby failing passing traffic on Active firewall through Standby Palo Alto firewall.
But when there's a interface failed or shutdonw on the interfaces where PaloAlto also connected, then once the ASA failover triggers and the same time Palo Alto also trigger its failover then both new active firewall and Palo Alto sending traffic through firewall.However we we cant all the interfaces of ASA also to connect Palo Alto and let the Palo Alto to inspect all the interfaces, but we need our ASA to work in a situation where any of the interfaces failed, the failover to work smooth the pass the traffic via either Palo Alto device.I just need to know is there anything tricky that we can configure on our ASA in this failover senario, or to confirm if there's no any workable solution to this situation.
I have attached the senario that I explained above. Just to emphasis the issue again, if any interface of Gig0/0, Gig0/4 or Gig0/5 failed on active firewall, ASA switching to standby firewall and act as Active, but Palo Alto still remains his Active state and the new Active ASA is not passing traffic via standby PA as its not detecting any of its interfaces as failed or unreachable..?
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Dec 19, 2011
I am interesting how ASA 5585-X with SSP-60 operates in dual firewall mode, if I install two SSP-60 modules in chassi, do I get one logical firewall with doubled performance of (SSP-60) ?
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Jan 22, 2012
I am responding to a tender where the client is asking for the firewall to support an onboard disk drive for logging purposes, which is a minimum of 500 GB in size.
The other requirements all point towards the top of the range ASA 5585-X Chas w/SSP60,IPS SSP60,12GE, 8 SFP+,2 AC,3DES/AES.
I note the 5585 when configured on DCT comes with HDD blanking plates, is there an HDD supported on this?
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Mar 12, 2013
I've read through netpro and found everyone points to this doc.
[url]....
However that still doesnt allow traceroute through for us. We still see syslogs with deny's on high level random UDP ports to different Internet destinations.
[code]....
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Oct 17, 2012
I got some issues with my CISCO ASA, the thing is that when I add a new rule on the device this rule duplicate and goes to the bottom. We already tried to delete the duplicate rule but it always show an error.
-Model 5585
-ASA Version: 8.2(5)
-ASDM version: 6.4(5)
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Jun 7, 2011
We saw this syslog on ASA5585 with version 8.4(1). I have two HA firewall pairs (contains 4 ASA5585, active/standby), and I saw this message on the standby ones.
Jun 7 07:36:26 10.99.96.32 last message repeated 4 times
Jun 7 07:36:26 10.99.96.32 :Jun 07 07:36:26 HKST: %ASA-ha-3-210005: LU allocate connection failed
[Code]....
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Jul 6, 2012
I have ASA5585 Firewall between my WAN Cloud and LAN Network. I plan to configure Layer 3 Vlan Interfaces inside FW and it would be Layer 3 gateway for some of Subnets. Layer 3 VLAN Interfaces are planned to be dual stack containing both IPv4 and IPv6 Address stack.
I plan to configure 6 to 4 Tunnel with my Hub Site where we have native Ipv6 awareness. One tunnel end point would be ASA and the other endpoint would be Hub site WAN Router/L3 Switch. So IPv6 traffic hitting to vlan interfaces on ASA would be policy checked and routed over tunnel interface to Hub Site.
6to4 Tunnel manual tunnel configuration on ASA. I have configured such tunnel on L3 Switch or Router with following config.
Int tunnel xyz
ipv6 address <ipv6 address>
ipv6 enable
tunnel source <loopback address of my L3 Switch>
tunnel destination <loopback address of my hus site L3 Switch/Router>
tunnel mode ipv6ip
end
I need to implement something similar in ASA. How can I do that?
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Apr 25, 2013
How do i measure the total throughput going via 5585-X.It has the firewall througput of 5Gbps. Looking at aggregate of all the interfaces traffic going through it seems about 4gbps is going through.
I use show traffic command and add up the trasmit and receive traffic on each live interface.Is that correct method and are there any more commands?
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Aug 18, 2011
use of a pair of ASA 5585's in active/active mode with a shared outside interface.Last time I did this was with FWSM, there was a restriction where all contexts that share an outside interface have to be in the same failover group.Does this apply also to the ASA? My thought is that it will, but I am unable to find that in any documentation.
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Oct 24, 2012
We're currently PATing everything from a particular subnet to the IP of an outside interface using our ASA5585 (dynamic PAT). We're experiencing pool exhaustion and therefore need to expand the global IP range. Any way of cutting over to the new range without dropping existing connections? For clarity, the current interface address is x.x.x.37/22 and the new PAT pool is x.x.x.114-6/22.
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Jun 29, 2011
Running ASA5585’s in active/standby across a local campus MPLS network. Supported design, leading practice etc. Specifically our design is that two ASA5585 are configured as active/standby through a local campus MPLS network over 10gig links through ASR9k etc. The ASA’s are providing inter-vrf routing capability only with p2p l2vpn circuits configured for each logical interface between the ASA over MPLS etc.The failover link is via a direct fibre and the state link will be through a p2p l2vpn (option for direct fibre also)Is this a supported design to begin with?
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Dec 9, 2012
I have a ASA5585 running 8.4 that is redirecting Internet http to a websense server via GRE.The integration is working fine, except when a user PC sends a large packet (~1500 bytes).With WCCP/GRE headers, the user packet is too large to be transmitted to websense, so the ASA fragments the packet in two and transmits both to websense.
A sniffer trace confirms that both fragments reach the websense server, but the TCP packet is never acknowledged.User-side TCP retransmits the large packet three times over 15 seconds, and eventually retransmits fine with smaller packets. The 15 second delay is of course not acceptable.Users and Websense server are both on the Inside interface.
We are considering imposing browser proxy to websense (which works fine), but would prefer not, considering the increasing diversity of devices.
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Oct 19, 2011
We are experiencing intermittent issues with the IPS on our ASA5585 vs 8.4(2). Probably something with the dataplane. So I want to keep debug cplane 255 activated and logged with log debug-trace setting to syslog server. But when session times out the debug command is cleared so the output stops. Since it is a intermittent issue I want to keep debug activated...Totally different behaviour then with routers which keeps it activated. how to keep debug activated on a ASA.
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Aug 14, 2011
I have two ASA in failover with Active/standby configuration. When I switch from standby to active from the standby ASA I get a lot (like 100) of error messages like these below: [code] The failover works fine and nothing seems to be wrong with the firewalls function.
-Hardware is ASA5585-SSP-10.
-Software version: ASA 8.2(5),
ASA is in multiple mode with 17 active context. Why these error messages appear and what they mean?
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Jun 1, 2012
WE have to deploy ASA5585 in between User vlans & server vlans. we have to find all the ports that needs to be opened on firewall. any tools to do same.
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Dec 27, 2011
its possible to set up active/active failover using etherchannel on 5585s?
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Aug 3, 2009
In ASA 8.0,I have following queries related to redundant interfaces
a)While configuring redundant interface can the redundant interface again be divided into logical interface like red1.1 , red1.2 ?
b)Is Redundant interface supported in the Multiple context mode
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Jan 15, 2013
Having upgraded to 8.3 from 8.2 I and read much about the differences , it seems that 8.3 deals with NAT in a much more managed method.However I am confused on how one would NAT a network object to multiple interfaces? i.e I know you can specficy a NAT adddress within the network object howeveer this only allows you to specific a single IP address.What if I want to talk accross multiple interfaces how would I specify this?
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Sep 7, 2011
i have an ASA 5520 running ver 8.4(1). have attached my interface config below and need to do the following, NAT traffic coming on GigabitEthernet0/2.101 to GigabitEthernet0/1, i.e. packets with destination 10.21.110.25 will be forwarded to 10.11.21.25, will a nat (Production,Advocate_MPLS) static ... statement work ?
------------------------------------------------------------------------
interface GigabitEthernet0/1
description Production
nameif Production
security-level 100(code)
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Apr 10, 2011
Do i need to create 2 objects for nating a server to 2 different interfaces?That is an inside server published in two different dmzsAutomatic migration to 8.3 creates 2 objects (one for each nat)Can I do the same with only one object? like this or I need an object for each nat?
object network server
host 192.168.128.10
nat (inside,dmz) static 172.24.1.10
nat (inside,dmzguests) static 10.10.0.10
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Jun 20, 2012
Can ASA sub-interfaces run separate IP Sec VPN tunnels eg
There are 02 sub-interfaces of 01 physical interface of Cisco ASA5510 [ASA Version 8.2(5)] and I need to run 01 IP Sec VPN tunnel on each of these
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Jun 16, 2011
We have an ASA 5510 firewall. There are 4 ports on it configured as 2 outside, one inside, and one DMZ. We have two cable modems attached to the outside ports. Our plan is to have the "inside" port directed to one outside port/cable modem, and the DMZ port directed to the other outside port/cable modem.
We have been able to get the "inside-to-outside" setup to work but not the "DMZ-to-outside" setup (at least at the same time).First off, is this possible? If so, what are we likely missing - some way to have a second default route for the DMZ?(My manager is the "Cisco person" here, not me, so I may not have enough info.
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May 12, 2011
I have a pair of brand new 5520s I am in the middle of commission. After carving out all the DMZs etc I needed I realized that I really neede another physical NIC, not just another VLAN off a configured nic. [code]I am running 8.3(2). How can I turn these "Not used" interfaces into useable ones?
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Mar 12, 2011
I configured ASA 5510 ...
Totally it had 5 ports..
How to provide communication between two different interfaces which had configured as same security level?
How many trunks will support ASA 5510 with base-license?
How to configure trunk to an interface with different VLNs( Router on a stick).
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Jun 14, 2012
I have a problem on allowing ssh traffic between 2 different INTERNAL interfaces. Both the interfaces have the same security level (100).What I have to do is to allow a ssh command from 172.16.0.2 to 172.17.1.200. The firewall is configured but I am experiencing issues on the NAT.The error I get is as follows:#%ASA-5-305013: Asymmetric NAT rules matched for forward and reverse
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Jul 5, 2012
We have ASA FW 5010 in our organization and we have 4 DMZ's under the DMZ interface on ASA and all DMZ's are created on sub interfaces and assigned different VLANS on each DMZ's.
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Jul 10, 2012
We have an ASA 5520 which is in multiple context mode. We are trying to pass traffic from the outside interface to the dmz interface. We have a /27 public ip range. We need a small amount of those addresses to be in the DMZ for SIP servers specifically. The rest of the addresses are NAT'd to the inside interface.So i created the outside interface GigabitEthernet0/0 with 1.2.3.192/28 Inside Interface GigabitEthernet0/2 with 192.168.20.0/24 DMZ interface on GigabitEthernet0/2.1 with 1.2.3.208/29 So all i want to do is route traffic that comes in the outside interface and out to the DMZ interface for the 1.2.3.208/29 subnet. I set the gateway address as 1.2.3.214 which is the DMZ interface address on the ASA.
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Jun 12, 2011
Our ASA 5520 firewall is running 8.0(4) IOS.I have an internal L2L VPN terminating on my firewall (from an internal remote site) on ENG interface.With the default "sysopt connection permit-vpn" command enabled, VPN traffic is allowed to bypass the ENG interface acl.The security level on the ENG interface is set at 50.The security level on the destination interface PRODUCTION is set at 40.Inbound VPN traffic bypasses ENG interface acl and since higher-to-lower security level allows VPN traffic to flow freely from ENG to PRODUCTION, it seems the only place to check/filter VPN traffic is an ACL placed on the PRODCTTION interface and set at INBOUND (outbound VPN traffic).
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May 23, 2012
We are using Cisco ASA 5580 (8.2) firewall. When i try to ping from inside lan to firewall DMZ interface IP it is not pingable and but from inside users i am able to ping firewall inside interface IP address.
I think we can't ping to other interfaces of ASA by default. But can we allow the single IP address who can ping all the interfaces of firewall?
We are not doing any natting in firewall, for that we used the Load Balancer.
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Apr 26, 2011
I am using an ASA5550 for a complex secure network that has at least six "outside" networks. Each "outside" network is assigned to a specific port each set at level "0". I also have a DMZ, set to level "50". I am having difficulty with passing traffic from a host in the DMZ to all but one of the "outside" networks. Is there a limit to the number of "outside" interfaces? I will provide a redacted config file as soon as possible.
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Mar 20, 2012
Got new ASA5550, code 8.2.2 in flash, can't configure "nameif" or "ip address" on the interfaces: [code] These are all the options that I get! Another weird thing I noticed is "<system>" string in "show ver" top line: [code]
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Feb 28, 2011
I have a Cisco ASA 5520 running 8.2.2 with the VPN Plus license. I am wondering what is the max number of sub-interfaces you can have on a physical interface. I know on the 5505 it was 20 sub-interfaces if you were running the Security Plus license. What is the magic number for the 5520. I have hit 20 sub-interfaces on gi0/1 interface and now I am starting to run into problems with sub-interface #21.
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