About michaelhostbaek

michaelhostbaek · 03-06-2016

Hi, I have been using my ACE for several years, it is in front of a Varnish reverse proxy. Recently I have noticed something strange. I am seeing some of Timed-Out and Failed connections : +------------------------------------------++------- Connec...

michaelhostbaek · 08-04-2014

Hi group,First off, thanks for the many insightful comments and answers that can be found on this forum.I am using a Cisco ACE for load-balancing my website, the current configuration looks something like this: probe tcp PROBE_TCP port 80 interval ...

michaelhostbaek · 03-17-2016

Actually - I've re-added normalization. It does not seem to have any effect (on my issue) whether it is on or off. "- If you see a lot of "TCP Window zero" from the ACE, and if they are during the traffic, that means there is not enough buffer to ha...

michaelhostbaek · 03-15-2016

Looking a tcpdump on the varnish box, all [RST, ACK] I get from the ACE are preceded with [TCP ZeroWindow] or [TCP Window Full] I wonder if this is because of "no normalization" on the vlan2424 interface?

michaelhostbaek · 03-15-2016

Hi Alex, Thanks for your reply. Here's my "sh run int" interface vlan 1212 ip address x.xx.xx.xxx 255.255.255.240 alias x.xx.xx.xxx 255.255.255.240 peer ip address x.xx.xx.xxx 255.255.255.240 access-group input ANY service-policy input WEB...

michaelhostbaek · 03-14-2016

Also, it might be relevant to know that I have Cloudflare before the Cisco ACE. So it looks like this: Client -> Cloudflare -> Cisco ACE -> Varnish -> backend server(s) If I remove the Cisco ACE from the equation, and send all traffic from Cloudfl...

michaelhostbaek · 03-14-2016

Hi Alex, Thanks for your answer. Indeed I have seen several posts about normalization on the ACE interface, that might relate to my issue. My understanding is that normalization is enabled by default, and I have not specifically disabled it. The AC...

Member Since	‎08-04-2014 05:38 AM
Date Last Visited	‎08-18-2017 04:02 AM
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ACE sending RST

ACE dynamic configuration

Actually - I've re-added

Looking a tcpdump on the

Hi Alex,

Also, it might be relevant to

Hi Alex,