Weird CSS forwarding Issue

Hi all.
I am having some weird forwarding issue using a pair of 11503 CSS (Box-to-box redundancy).
Here is my L3 network topology:
Internet
|
| CP FW-1 |
|
|
|6500-Sup720|
|
|
| CSS 11503 |
|
|
|
Client
I have drawn only one device because redundancy is achieved via HSRP on 6500, Active/Standby on CSS.
Moreover, L2 connectivity is provided by 2 4507 (CSS are connected 1 x 4500 on different vlans), connected to the 6500 via gigabit fiber connections.
A LDAP server is located on the internet and when the client tries to issue an LDAP query, it could take up to 2 minutes to have the reply back (20 seconds in the best cases). If I move the L3 on the 4500 or the 6500, the request takes form 1 to 2 seconds to complete.
We have tried both CSS, both 4500, both 6500, different clients with the same results. We upgraded the WebNS to the latest release (7.50.004). We changed physical cables, physical ports on CSS and switches, moved clients on other vlans on CSS, 4500 and 6500 and the results are always the same.
Neither errors on CSS interfaces, nor on 4500 interfaces, nor on 6500 interfaces.
I captured traffic via snoop on the Sun Client, and also with monitoring session on catalyst 4500, and when the CSS is routing, I can see lots of duplicate acks, tcp out of sequence, retransmissions which disappear when routing is performed by 6500 or 4500.
I was wondering if there is anything connected to the L3 1500 bytes size of every frames (the query produces an output of about 600k). We are at the L3 MTU limit... We also tried with ftp, but in that case everything was fine also with CSS. It looks like there something ldap related at least. The ldap query is a normal query, tcp port 389. The command come and go very well, the actual data transfer produces all the crappy tcp output (retransmission, lost segments ecc...).
I am very confused, CSS is not balancing, it's only forwarding traffic.
Sorry for my long post, any help will be really appreciated!
Regards
Massimo Magnani.

From your statements i understand that you want to know how to load balance using CSS. Content rules are where the CSS's load balancing features are customized, virtual IP address are defined, and where the actual servers (called services) are bound to that virtual IP address. Content rules allow you to specify load balancing types, sticky methods, port specific Virtual IP addresses, and a host of other features Refer to the following URL to understand how CSS load balancing works and how CSS load balancing can be configured.
http://www.cisco.com/en/US/products/hw/contnetw/ps789/products_configuration_example09186a008009438d.shtml

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Question to BT
Hello i have recently joined BT Infinity and have hit the issue of the Port Forwarding not working. My HH3 is on the following version of software. Will this version automatically upgrade to the latest version of firmware and will this fix my port forwarding issue?
As i work in IT (Cisco Network Eng) i need to be able to access several devices/services at home and this is a real pain for me. If you think that this could drag on as some posts have indicated could you please let me know and i will either get a draytek or throw in a cisco 1841.
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Last updated:
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requiem wrote:
Question to BT
Hello i have recently joined BT Infinity and have hit the issue of the Port Forwarding not working. My HH3 is on the following version of software. Will this version automatically upgrade to the latest version of firmware and will this fix my port forwarding issue?.........
Thank you
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Current firmware:
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Last updated:
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From http://bt.custhelp.com/app/answers/detail/a_id/13073
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#Navigation {
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Nav {
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#wrapper1 {
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margin-right: auto;
margin-left: auto;
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/* IE10 Consumer Preview */
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/* Mozilla Firefox */
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/* Opera */
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/* Webkit (Safari/Chrome 10) */
background-image: -webkit-gradient(linear, left top, right top, color-stop(0, #716375), color-stop(1, #E8E8E8));
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background-image: -webkit-linear-gradient(left, #716375 0%, #E8E8E8 100%);
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background-image: linear-gradient(to right, #716375 0%, #E8E8E8 100%);
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I have the site using tables up and running, this is a website for a client so I cant make a test site using that domain would it be ok if I screen shot'ed the problem?
Date: Thu, 24 Apr 2014 12:19:44 -0700
From: [email protected]
To: [email protected]
Subject: CSS Layout issue!! Help Urgent!!
    Re: CSS Layout issue!! Help Urgent!!
    created by Jon Fritz II in Dreamweaver support forum - View the full discussion
Well, you're not using position:absolute, so you've got a big thumbs up from a bunch of us for that.
Is there any chance you could post a link to this page on your server? It's much easier to troubleshoot from a browser than it is to rebuild the page from code fragments.
If you haven't gone live with the page yet, create a folder called TEST in your site and save copies of the page and css there. Upload TEST and post a link to it here. Once the problem is found/fixed, delete TEST from the server.
You can also attempt to use Firefox or Chrome to find your issue by right clicking > Inspect Element. All CSS that affects a given element will be displayed with file name and line numbers there.
     Please note that the Adobe Forums do not accept email attachments. If you want to embed a screen image in your message please visit the thread in the forum to embed the image at http://forums.adobe.com/message/6327947#6327947
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           Start a new discussion in Dreamweaver support forum at Adobe Community
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This post can be removed.... the port forwarding worked once I set it up under "Advanced Settings -> Network Settings ->Port Forwarding" instead of "Firewall -> Port Forwarding"
Hello,
I am having an issue setting up port forwarding. I have made several attempts to make port forward TCP 8096, but it continues not to work. I had it working with no problems at my with my old router before we moved so I know it's not an issue with my computer firewall or antivirus and MediaBrowser is working fine on the local network. Is anyone else experiencing Port Forwarding issues? Also when will DMZ be enabled on this gateway?
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Armyb77
This post can be removed

See kayster contribution here.
SYNOLOGY DS214 - Remote access via BT Home Hub
There are some useful help pages here, for BT Broadband customers only, on my personal website.
BT Broadband customers - help with broadband, WiFi, networking, e-mail and phones.

Post Moved Mac Port Forwarding Issues

Post Moved to Other BB Queries http://community.bt.com/t5/Other-BB-Queries/Mac-Port-Forwarding-issues/td-p/550779
If you want to say thanks for a helpful answer,please click on the Ratings star on the left-hand side If the reply answers your question then please mark as ’Mark as Accepted Solution’

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http://community.bt.com/t5/Other-BB-Queries/Port-forwarding-and-Loopback-DO-work-YMMV/m-p/538328

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requiem wrote:
Question to BT
Hello i have recently joined BT Infinity and have hit the issue of the Port Forwarding not working. My HH3 is on the following version of software. Will this version automatically upgrade to the latest version of firmware and will this fix my port forwarding issue?.........
Thank you
Dean.
Current firmware:
V100R001C01B031SP09_L_B
Last updated:
Unknown
Hi Dean
By the look of it you've got the type B version of the HH3 with current firmware.
From http://bt.custhelp.com/app/answers/detail/a_id/13073
The latest versions of the firmware are:
BT Home Hub 3 – Software version 4.7.5.1.83.8.57.1.3 (Type A) or V100R001C01B031SP09_L_B
Please Click On any Text in Blue as that automatically links to information.
PC (NDEGR)

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    <p>Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Praesent aliquam, justo convallis luctus rutrum, erat nulla fermentum diam, at nonummy quam ante ac quam. Maecenas urna purus, fermentum id, molestie in, commodo porttitor, felis. Nam blandit quam ut lacus. Quisque ornare risus quis ligula. Phasellus tristique purus a augue condimentum adipiscing. Aenean sagittis. Etiam leo pede, rhoncus venenatis, tristique in, vulputate at, odio. Donec et ipsum et sapien vehicula nonummy. Suspendisse potenti. Fusce varius urna id quam. Sed neque mi, varius eget, tincidunt nec, suscipit id, libero. In eget purus. Vestibulum ut nisl. Donec eu mi sed turpis feugiat feugiat. Integer turpis arcu, pellentesque eget, cursus et, fermentum ut, sapien. Fusce metus mi, eleifend sollicitudin, molestie id, varius et, nibh. Donec nec libero.</p>
    <h2>H2 level heading </h2>
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Port forwarding issue on Homehub 3.0 Type A

I'm trying to port forward both Minecraft and Black Ops 2. Everything works alright up until I try and actually forward it to my desktop.
When I press 'Add' or 'Apply' either in the port forwarding section or home network section it changes Minecraft to PalTalk and Black Ops 2 to BT Homesafe Camera. I can't find any information on this specific issue but if anyone can help I would much appreciate it.
Another thing to mention is that when I try and forward Minecraft and it changes to PalTalk both are removed from the drop-down list of selectable things to prot forward. I use the PFPortChecker program from portforward to check and it's saying that the ports are closed.
Thanks

Thanks for all your suggestions and help. I had sorta the same problems on an old 2.0 hub (the one where once you deleted a rule you had reset all settings to reassign it).
I managed to get Minecraft portforwarded... I have no idea how. I was mostly absorbed in my thoughts of "What dumba** at BT actually let this product go through testing if they even do any testing on their modem/routers to begin with?"
So I managed to get the original PalTalk rule deleted o.O. I'm doing the same for Black Ops now so hopefully I can recreate the steps. When I click edit on the Black Ops rule it brings me in to the BT Homesafe Camera rules. After editing this and changing the name form BT Homesafe Camera to BT Black Ops 2 I applied it and instead of editing the rule, it added a new rule. So now I had Black Ops 2, BT Black Ops 2 and Minecraft in my user-defined options. I deleted the one called Black Ops 2 and it instead deleted BT Black Ops 2. And now it works. Also the BT Homesafe Camera original rule is now gone and now it's time to make a back-up if ever it screws up again.
So that's weird but thanks a lot for your help and I hope my poorly written paragraph helps others that might be having the same issue

EPUB CSS exporting issue

Today I came across an important issue in InDesign's CSS creation during EPUB export. It is best described here:
http://www.pigsgourdsandwikis.com/2010/05/indesign-flubs-exporting-headers-to.html
But I will paraphrase... When a paragraph style is defined as part of the TOC, and therefore becomes one of the 'headers' on EPUB export, the 'margin' settings for that style (which come from the 'space before', 'space after', 'left indent', and 'right indent' settings in the paragraph style) are not correctly set. For example, instead of setting the margin as 1 em, InDesign will set it as 0.01 em (which has little or no effect on the appearance of the text).
This only occurs when a paragraph style is part of the TOC and thus becomes a header in the CSS file. If it is not a header, the conversion to margin settings in CSS seems to work fine.
I couldn't find anything about this on the forums, so I thought I should post it. It seems that right now, the only workaround is to manually edit the CSS file. I have been using Sigil to do this. I should add that I'm using InDesign CS5 on Snow Leopard - I don't know if the problem existed with CS4.

Hi refer this link
http://shivabizint.wordpress.com/2011/08/26/export-more-than-6500-obiee-11g-records-to-excel/
Please mark if its helps you......

Newly Occuring CSS SSL Issue in Chrome, FF10, IE9 with L5 rules; 3 second delay, loss of L5 stickyness

We recently started suffering an issue with our CSS11501S-K9 units not performing URL stickiness on our SSL wrapped L5 rules. I've spent dozens of manhours working on the problem, and have quite a bit of information to report, including a solution. There is a high probability that anybody who uses SSL to an L5 rule on a CSS unit will become affected by this problem over the next few weeks/months as users update their browsers with new SSL patches.
We hadn't made any changes to our config in months, and eliminated hardware problems by testing a second unit.
Here are the exact symptoms we saw:
Browsers affected: Firefox 10, Chrome, IE9, others (and some earlier versions of IE depending on patch levels)
Browsers not affected: FireFox 3.5, w3m 0.5.2, curl7.19.7
Impact 1: For SSL Rules backed by L5 rules, the initial response to the first request would be 3 seconds. Further requests on the same TCP connection would not be delayed
Impact 2: L5 rules being accessed via SSL would nolonger perform any URL based stickiness. Accessing the same rule skipping SSL, would work fine
I focused on the 3 second delay, since that was a new issue and was easier to debug than monitoring multiple servers to see if stickiness was broken. This is what I found when a client tries to connect to an SSL rule that ultimately is routed to a L5 HTTP rule:
1. Client/CSS perform initial TLS handshake, crypto cyphers determined (nearly instantly)
2. Client sends HTTP 1.1 request for resource (nearly instantly)
3. 3 seconds of no traffic in our out of the CSS related to this request
4. CSS opens an HTTP connection to backend webserver, backend webserver responds (nearly instantly)
5. The CSS seems to route to the backend server using the balance method (round-robin) instead of the advanced-balance method (url)
6. Response is sent to the client with the resource (nearly instantly)
7. Future requests sent from the browser on the same TCP connection have no delay, but the advanced-balance continues to be ignored
The 3 seconds is quite an exact figure (within a few milliseconds) and appears to be entirely happening inside of the CSS unit itself, since it does not connect to the backend server until after the 3 seconds elapse. 3 seconds smelled like some sort of internal timeout set in the CSS unit after it gives up waiting for something.
Looking at the packets from affected browsers I discovered that the GET /foobar HTTP/1.1 request was being broken into two separate TLSv1 application messages, the first was 24 bytes and the second was 400 bytes. Decrypting these messages I found the first message was a
G
and the second message was:
ET /foobar HTTP/1.1
This essentially splits the initial request the client is sending into two pieces. This confuses wireshark so much, it doesn't decode this as a HTTP request, and just decodes it as "continuation or non-HTTP traffic".
On the working browsers I saw only one TLSv1 application message, decrypting it I saw:
GET /foobar HTTP/1.1
(obviously I'm simplifying the contents of the request, there were lots of headers and stuff)
I am aware that the CSS can't handle L5 rules appropriately if they get fragmented, so I suspected this was the problem. I pulled a packet trace from a few years ago, and at that time confirmed we never saw a double TLSv1 application messages before.
A number of openssl vulnerabilities were recently fixed: http://www.ubuntu.com/usn/usn-1357-1
and browsers may have been recently updated to fix some of these issues, changing the way they encode their traffic.
Solution:
Our ssl config looked something like this:
ssl-proxy-list SSL_ACCEL
ssl-server 10 vip address XX.XX.XX.XX
ssl-server 10 rsakey XXXX
ssl-server 10 cipher rsa-with-3des-ede-cbc-sha XX.XX.XX.XX 80
ssl-server 10 cipher rsa-with-rc4-128-sha XX.XX.XX.XX 80
ssl-server 10 cipher rsa-with-rc4-128-md5 XX.XX.XX.XX 80
ssl-server 10 unclean-shutdown
ssl-server 10 rsacert XXXXXX
Removing:
ssl-server 10 cipher rsa-with-3des-ede-cbc-sha XX.XX.XX.XX 80
Solves the problem. After that's removed, the browsers will nolonger fragment the first character of their request into a separate TLSv1 message. The 3 second delay goes away, and L5 stickiness is fixed. The "CBC" in the cyper refers to Cypher-Block-Chaining (a great article here:
http://en.wikipedia.org/wiki/Cipher-block_chaining), and breaking the payload into multiple packages may have been an attempt to initialize the IV for encryption -- although I'm really just guessing, I stopped researching once I verified this solution was acceptable.
This issue became serious enough for us to notice first on Monday Feb 13th 2012. We believe a number of our large customers distributed workstation updates over the weekend. The customers affected were using IE7, although my personal IE7 test workstation did not appear to be affected. It's quite possible our customers were going through an SSL proxy. I suspect as more people upgrade their browsers, this will become a more serious issue for CSS users, and I hope this saves somebody a huge headache and problems with their production environment.
-Joe

Hi Joe,
That's a very good analysis you did.
As you already suspected, the issue comes from the TLS record fragmentation feature that was introduced in the latest browser versions to overcome a SSL vulnerability (http://www.kb.cert.org/vuls/id/864643). Unfortunately, similar issues are happening with multiple products.
For CSS, the bug tracking this issue is CSCtx68270. The development team is actively working on a fix for it, which should be available (in an interim software release, so to get it you wil have to go through TAC) in the next couple of weeks
In the meantime, as workaround, you can configure the CSS to use only RC4 cyphers (which is what you were suggesting also). These are not affected by the vulnerability, so, browsers don't apply the record fragmentation when they are in use. This workaround has been tested by several customers already, and the results seem to be very positive.
Regards
Daniel

CSS VIP Issues (Source Group with 'add destination service')

I have a pair of Cisco CSS 11503 boxes with a ap-kal-pinglist applied to both virtual routers, as a Critical Service, on the Primary CSS. When a link goes down, the VRRP fails over all traffic to the Secondary, as expected, but there is an issue with two particular VIPs. These VIPs have Source Groups configured, like below:
group WEBSITE_ABC
add destination service XYZ_Server_1
add destination service XYZ_Server_2
vip address 10.10.3.25
active
group WEBSITE_XYZ
add destination service ABC_Server_1
add destination service ABC_Server_2
vip address 10.10.3.24
active
Once a failover occurs, the VIPs are unreachable via a browser. I have also seen 1 VIP OK and 1 VIP not, but never both working. At times, when I failback to the Primary, the VIPs are OK again. The services are reachable via a browser during this issue.
any ideas?

You need to check if during the failover the css sends a G-ARP to inform that the arp associated with the nat ip address now belongs to the secondary css.
Get sniffer trace during failver and check if this g-arp is sent.
If not, this is a bug and you need to report it.
If yes, then the problem is not the CSS but another device on the path...did the switch correctly learned the new path ? Does the server have the correct arp table ?
Gilles.

Weird USB / sleep issue; what can I do?

This is an ongoing issue that has been popping up since at least as far back as 2012, possibly further. It never made sense, and I've slowly pieced together some strange occurrences that might shed some light on the problem.
Back in the Fall of 2012, I copied some data onto a USB thumb-drive from my laptop, then a 15-inch MacBook Pro (I bought it used, I think it was 2006 or 2007 vintage). There was a large amount of data transferred. The copying process took about half and hour. I took the thumb drive to a friend with a much newer computer. My friend told me the transfer took a few minutes. I knew something was wrong then. The MacBook Pro was running MacOS 10.6.8.
The MacBook Pro died March, 2013. I was able to hire a specialist to extract the internal hard disk from the laptop, put it in a USB case, and transfer the contents verbatim to a newer machine; I had to buy a refurbished late-2012 iMac. running MacOS 10.8. (Now runs 10.9)
I have noticed peculiar behavior in running this iMac. USB thumb drives and other USB hard drive transfers can occasionally seem sluggish. Weirder still, if I put the iMac to sleep overnight, waking it up in the morning causes a very strange "wake up" process where the display is greyed out and a progress bar lets me know it is slowly waking up. This wake-up process takes one to two minutes. This only happens when there are no USB peripherals connected to the iMac. If I put the iMac to sleep with a thumb drive plugged in, it wakes up instantly.
I have long suspected the iMac had some kind of software bug or corruption that was brought over from the MacBook Pro in March of '13, when I hastily transferred everything over in the midst of the laptop's breakdown crisis.
Recently, I ran Software Update on the iMac to get Epson and Security updates installed. I repeatedly was greeted by the warning message: "System extension cannot be used The system extension "/System/Library/Extensions/AppleUSBEthernetHost.kext" was installed improperly and cannot be used. Please try reinstalling it, or contact the product's vendor for an update." I have no idea what this means, but it does seem to confirm that there's some weird bug loose and it has to do with USB.
The only question is: what can I do about it? Would calling AppleCare for advice help?
I am my own "Chief Cook and Bottle Washer", in that I do my own I.T. most of the time. I've been using Macintoshes since 1986.

Hi Walt_Atwood,
I'm sorry to hear you have been dealing with this issue for so long. If you are getting error or alert messages about a deep system file (like a System .kext), you may want to try reinstalling your OS. This should not affect your files or user settings (as noted in the following article), but just to be safe it is alway a good idea to have a backup of your data prior to these kinds of troubleshooting steps.
OS X Mavericks: Reinstall OS X
OS X Mavericks: Back up your Mac
OS X Mavericks: Alternatives for backing up your Mac
Also, regarding the unusual wake up process that you noted, from your description it sounds like your machine is waking from Safe Sleep. This may be normal for your model (Late 2012 iMac) if it has been asleep for more than 4 hours and there has been no USB activity:
Mac computers: Progress bar appears after waking from sleep - Apple Support
Regards,
- Brenden

New GL carry balance forward issue

We have a new SAP environment.
it was created with new GL Active, however we have not done any document splitting.
The update to GLT0 was deactivated.
We are running a year end, and i would normally use t code f.16 to carry forward the balances.
I cant run this as it says the update to GLTO is not active.
Therefore the question I have is how do you carry forward balances in the new GL?
What is the t code? is there a different t code for F.07, which is for payables and receivables?

OK
After running the new program I get the following message
Fiscal year variant BF is not maintained for calendar year 2008
Message no. FGV002
I have looked on OSS regarding FGV002, and it seems to point to some Controlling issues
Do you know about this as well, or anybosy else?

Weird CSS forwarding Issue

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