ACE 4710 - Monitoring Real Server Showing N/A
I recently installed a Cisco ACE 4710 version A4(2.0) into our test network. Load balancing across a number of web servers appears to be working ok and serving pages to users. However, when i tried to check the real time stats via device manager (Monitor> virtual contexts> context > Real servers) a number of fields specifically "current connections", "total conns", "failed conns" etc were showing N/A. Do I need to enable this somehow i.e. polling, if so how?
Hello Samson,
You may try to reboot the entire ACE 4710, probably during a maintenance window, some java process might have gotten stuck.
If the issue persists then open a TAC case since there are some software defects related to this behavior.
Jorge
Similar Messages
-
ACE- From one real server to another VIP
Hi,
I have a problem with ACE;
We have multiple serverfarms configured in the ACE module based on the application and different VIPs related to it. We are running the ACE in bridging mode. Now the requirement is from one serverfarm real server wants communicate to the VIP of the second serverfarm...Is this possible..???? Wil some NATing help in this situation. Below is the configuration.
======================
/* Style Definitions */
table.MsoNormalTable
{mso-style-name:"Table Normal";
mso-tstyle-rowband-size:0;
mso-tstyle-colband-size:0;
mso-style-noshow:yes;
mso-style-priority:99;
mso-style-qformat:yes;
mso-style-parent:"";
mso-padding-alt:0in 5.4pt 0in 5.4pt;
mso-para-margin:0in;
mso-para-margin-bottom:.0001pt;
mso-pagination:widow-orphan;
font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:"Times New Roman";
mso-fareast-theme-font:minor-fareast;
mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin;
mso-bidi-font-family:"Times New Roman";
mso-bidi-theme-font:minor-bidi;}
access-list LAN_Traffic remark For all IP Traffic
access-list LAN_Traffic line 10 extended permit ip any any
access-list LAN_Traffic line 20 extended permit icmp any any
probe http PORTAL_HTTP
passdetect interval 20
passdetect count 2
request method get url http://portal
expect status 0 600
probe http RMS_HTTP
request method get url /_wmcs
expect status 0 600
rserver host PORTAL1
ip address 172.22.11.241
inservice
rserver host PORTAL2
ip address 172.22.11.243
rserver host QGLRSPW1
inservice
rserver host RMS01
ip address 172.22.10.12
inservice
rserver host RMS02
ip address 172.22.10.8
inservice
serverfarm host PORTAL
failaction purge
probe PORTAL_HTTP
rserver PORTAL1
inservice
rserver PORTAL2
inservice
serverfarm host RMS
failaction purge
probe RMS_HTTP
rserver RMS01
inservice
rserver RMS02
inservice
class-map match-any PORTAL
2 match virtual-address 172.22.10.166 tcp any
class-map match-any RMS
2 match virtual-address 172.22.10.52 tcp eq www
3 match virtual-address 172.22.10.52 tcp eq https
policy-map type loadbalance first-match RMS-POLICY
class class-default
serverfarm RMS
policy-map type loadbalance first-match PORTAL-POLICY
class class-default
serverfarm PORTAL
policy-map multi-match SFARM-LB-POLICY
class RMS
loadbalance vip inservice
loadbalance policy RMS-POLICY
loadbalance vip icmp-reply active
class PORTAL
loadbalance vip inservice
loadbalance policy PORTAL-POLICY
loadbalance vip icmp-reply active
interface vlan 800
description ACE Client Interface
bridge-group 1
mac-sticky enable
service-policy input SFARM-LB-POLICY
no shutdown
interface vlan 898
description ACE Server Interface
bridge-group 1
mac-sticky enable
no shutdown
interface bvi 1
ip address 172.22.11.151 255.255.252.0
alias 172.22.11.153 255.255.252.0
peer ip address 172.22.11.152 255.255.252.0
description Bridge Group for 800 and 898 Interfaces
no shutdown
ip route 0.0.0.0 0.0.0.0 172.22.8.17
===================================
Pleae help..Thanks in advanceHello!
Well yes it would work. BUT...you have to change your config a bit. First you need to apply your accesslist to both interfaces, or the ACE will reject it, because it is acting as a firewall by default. And second you have to apply the policymap to both interfaces as well or you put the policymap globally on the ACE. -
ACE 4710 Operations Virtual Servers showing Oper State as N/A
Hi All,
Just wondering if anyone has come across the following issue before:
We currently have a pair of ACE4710 in HA running A3(2.7) and when we have added new virtual servers any new ones show up under the Operations - Virtual Servers window as showing their Oper State as N/A. as follows:
However, clicking on the N/A brings up a window showing that the virtual server is Active and inservice and handling traffic. This doesn't appear to be affect the services using the VIPs that have N/A against them as all appears to be fine.
Just wonder if anyone had seen this before and if there is a reason for it.
Thanks for you help in advance.
RyanThanks for you reply bhartsfield. I mostly work from the CLI as the network engineer but we have server engineers who use the GUI to take things in and out of service if they are conductinh maintenence on the servers. So along with the N/A status it also is missing the current connection count which is also used by the server guys.
The last time I created a VIP I did it via the GUI to see if it was a GUI issue not syncing with the CLI. I have also forced the DM to sync with CLI, but it still has the same results.
Thanks again for your reply, at least I know I am not alone in seeing this behaviour
Regards
Ryan -
ACE 4710 same real servers, different ports.
Hi! I have the following question based on a new site requirement. The following sites use the same back end servers. Names changed to protect the innocent and my finger fumbling with pretty names for my actual config.
I have two real servers being load balanced: 10.0.0.1 and 10.0.0.2
They have:
Site A URL= www.testsite.com:80
Site B URL= www.newstuff.com:81
I want Site B answering on port 81 for anything referencing the URL match for either port :80, and :81, then redirect to :81 anything that is on :80.
I want Site A answering on port 80 for anything not referencing the Site B URL.
How do I split the traffic coming in while also redirecting if only needed for the one site?
Also, one further question, how do I handle monitoring the ports up for each as validation for the VIP? If either port goes down is that going to take both of them offline?Hi,
Since they are two different URL's, they would be resolving to two different VIPs. You can create two serverfarms with same servers but listening on ports 81 and 80 and create a class-map for different IP's or even same IP, listening on port 81 and 80. Any client coming with port 80 as destination would be loadbalanced to serverfarm_80 and any client coming on port 81 as destination would be loadbalanced to serverfarm_81.
class-map match-all Test_80
2 match virtual-address 10.1.1.1 tcp eq www
class-map match-all Test_81
3 match virtual-address 10.1.1.2 tcp eq 81
rserver r1
ip address 10.0.0.1
inservice
rserver r2
ip address 10.0.0.2
inservice
serverfarm_80
rserver r1 80
inservice
rserver r2 80
inservice
serverfarm_81
rserver r1 81
inservice
rserver r2 81
inservice
policy-map type loadbalance http first-match http
class class-default
serverfarm serverfarm_80
policy-map type loadbalance http first-match http_81
class class-default
serverfarm serverfarm_81
policy-map multi-match Test
class Test_80
loadbalance vip inservice
loadbalance policy http
loadbalance vip icmp-reply active
class Test_81
loadbalance vip inservice
loadbalance policy http_81
loadbalance vip icmp-reply active
Let me know if you have any questions.
Regards,
Kanwal
Note: Please mark answers if they are helpful. -
ACE 4710 Client and Server hitting same VIP
But the catch here is we are using IP's from server side VLAN's as opposed to from the Client side. If that were the case I would simply use SNAT and assign a pool but in this case that doesn't appear to work.
So how do I get this to work?
MikeAnd how do I do that? You say client nat, i hear source nat and think of this-
http://www.cisco.com/en/US/products/hw/modules/ps2706/products_configuration_example09186a00809c6ef5.shtml
this doesn't work because my VIP IP pool is the same as the server side vlan.
We are using public IP on our servers as to not have to manage rfc1918 addresses.
Mike -
Ace 4710 monitoring compression and SSL throughput in nagios
Hey guys I have been given a task to create 2 checks using snmp for nagios. I am googling left right and center to maybe try and find the appropriate OID's that i can pass to this nagios check for both ssl throughput as well as compression throughput.
Any help would be greatly appreciatedJonathan-
ciscoL4L7moduleResourceLimitMIB
DESCRIPTION
sslConnections (9) <-- Here
mgmtBandwidth (10)
throughput (11)
missedMac (12)
httpCompression (13) <-- Here
ftp://ftp.cisco.com/pub/mibs/v2/CISCO-L4L7MODULE-RESOURCE-LIMIT-MIB.my
The numbers aren't throughput, they are a rate CPS. We don't keep track of packet size in relation to speed for those counters specifically. "throughput (11)" relates to the entire context minus management bandwidth.
Regards,
Chris -
ACE 4710: Find out the response time of a real server
Hi to everyone,
I have a couple of ACE 4710 and I need to find out what is the response time of a real server.
Is there a way for this?
Thank you for any answer!
giorgio romanoHi,
Kindly add the following line in your serverfarm configuration:
predictor response syn-to-synack
Suppose your serverfarm looks like this:
serverfarm host AAA_FARM
predictor response syn-to-synack
probe HTTP_PROBE
probe TCP9001_PROBE
rserver SC106
inservice
rserver SC107
inservice
rserver SC108
inservice
rserver SC109
inservice
rserver SC110
inservice
rserver SC111
inservice
rserver SC112
inservice
rserver SC113
inservice
rserver SC114
inservice
rserver SC120
inservice
rserver SC131
inservice
And then use the following command to see the average response time from your rserver as follows:
ACE1/prod# show serverfarm AAA_FARM detail
serverfarm : AAA_FARM, type: HOST
total rservers : 11
active rservers: 11
description : ServerFarm AAA
state : ACTIVE
predictor : RESPONSE
method : syn-to-synack
samples : 8
failaction : -
back-inservice : 0
partial-threshold : 0
num times failover : 0
num times back inservice : 0
total conn-dropcount : 0
Probe(s) :
HTTP_PROBE, type = HTTP
TCP9001_PROBE, type = TCP
----------connections-----------
real weight state current total failures
---+---------------------+------+------------+----------+----------+---------
rserver: SC106
x.x.x.x.:0 8 OPERATIONAL 2 1125 0
max-conns : 4000000 , out-of-rotation count : 0
min-conns : 4000000
conn-rate-limit : - , out-of-rotation count : -
bandwidth-rate-limit : - , out-of-rotation count : -
retcode out-of-rotation count : -
load value : 0
average response time (usecs) : 81 ----> thats what you might be looking for
From other day :
rserver: SC114
x.x.x.x:0 8 OPERATIONAL 70 10903 2
max-conns : 4000000 , out-of-rotation count : 0
min-conns : 4000000
conn-rate-limit : - , out-of-rotation count : -
bandwidth-rate-limit : - , out-of-rotation count : -
retcode out-of-rotation count : -
load value : 0
average response time (usecs) : 1334 ----> thats what you might be looking for
For Serverfarm BBB_FARM
serverfarm : BBB_FARM, type: HOST
total rservers : 1
active rservers: 1
description : ServerFarm BBB
state : ACTIVE
predictor : RESPONSE
method : syn-to-synack
samples : 8
failaction : -
back-inservice : 0
partial-threshold : 0
num times failover : 1
num times back inservice : 1
total conn-dropcount : 0
Probe(s) :
----------connections-----------
real weight state current total failures
---+---------------------+------+------------+----------+----------+---------
rserver: SC208
x.x.x.x:0 8 OPERATIONAL 0 0 0
max-conns : 4000000 , out-of-rotation count : 0
min-conns : 4000000
conn-rate-limit : - , out-of-rotation count : -
bandwidth-rate-limit : - , out-of-rotation count : -
retcode out-of-rotation count : -
load value : 0
average response time (usecs) : 0 ----> thats what you might be looking for
Use more detials for response predictor:
http://www.cisco.com/en/US/docs/app_ntwk_services/data_center_app_services/ace_appliances/vA3_1_0/configuration/slb/guide/rsfarms.html#wp1068831
Configuring the Application Response Predictor
To instruct the ACE to select the server with the lowest average response time for the specified response-time measurement based on the current connection count and server weight (if configured), use the predictor response command in server farm host or redirect configuration mode. This predictor is considered adaptive because the ACE continuously provides feedback to the load-balancing algorithm based on the behavior of the real server.
To select the appropriate server, the ACE measures the absolute response time for each server in the server farm and averages the result over a specified number of samples (if configured). With the default weight connection option configured, the ACE also takes into account the server's average response time and current connection count. This calculation results in a connection distribution that is proportional to the average response time of the server.
The syntax of this command is as follows:
predictor response {app-req-to-resp | syn-to-close | syn-to-synack}[samples number]
The keywords and arguments are as follows:
•app-request-to-resp—Measures the response time from when the ACE sends an HTTP request to a server to the time that the ACE receives a response from the server for that request.
•syn-to-close—Measures the response time from when the ACE sends a TCP SYN to a server to the time that the ACE receives a CLOSE from the server.
•syn-to-synack—Measures the response time from when the ACE sends a TCP SYN to a server to the time that the ACE receives the SYN-ACK from the server.
•samples number—(Optional) Specifies the number of samples over which you want to average the results of the response time measurement. Enter an integer from 1 to 16 in powers of 2. Valid values are 1, 2, 4, 8, and 16. The default is 8.
For example, to configure the response predictor to load balance a request based on the response time from when the ACE sends an HTTP request to a server to when the ACE receives a response back from the server and average the results over four samples, enter:
host1/Admin(config)# serverfarm SFARM1
host1/Admin(config-sfarm-host)# predictor response app-req-to-resp
samples 4
To reset the predictor method to the default of round-robin, enter:
host1/Admin(config-sfarm-host)# no predictor
To configure an additional parameter to take into account the current connection count of the servers in a server farm, use the weight connection command in server farm host predictor configuration mode. By default, this command is enabled. The syntax of this command is as follows:
weight connection
For example, enter:
host1/Admin(config)# serverfarm SF1
host1/Admin(config-sfarm-host)# predictor response app-request-to-resp
samples 4
host1/Admin(config-sfarm-host-predictor)# weight connection
To remove the current connection count from the calculation of the average server response time, enter:
host1/Admin(config-sfarm-host-predictor)# no weight connection
You can use threshold milliseconds parameter which is optional Specifies the required minimum average response time for a server. If the server response time is greater than the specified threshold value, the ACE removes the server from the load-balancing decision process (takes the server out of service).
Enter an integer from 1 to 300000 milliseconds (5 minutes). The default is no threshold (servers are not taken out of service).
In case if you have measures the response time from when the ACE sends a TCP SYN to a server to the time that the ACE receives a CLOSE from the server use syn-to-close (already discussed previously)
If you have to measures the response time from when the ACE sends a TCP SYN to a server to the time that the ACE receives the SYN-ACK from the server use syn-to-synack (already discussed previously)
SAMPLES parameter is optional and specifies the number of samples that you want to average from the results of the response time measurement and response time is used to select the server with the lowest response time for the requested response-time measurement. If you do not specify a response-time measurement method, the ACE uses the HTTP app-req-to-response method.
Whenever a server's load reaches zero, by default, the ACE uses the autoadjust feature to assign a maximum load value of 16000 to that server to prevent it from being flooded with new incoming connections. The ACE periodically adjusts this load value based on feedback from the server's SNMP probe and other configured options.
Using the least-loaded predictor with the configured server weight and the current connection count option enabled, the ACE calculates the final load of a real server as follows:
final load = weighted load × static weight × current connection count
where:
•weighted load is the load reported by the SNMP probe
•static weight is the configured weight of the real server
•current connection count is the total number of active connections to the real server
The ACE recalculates the final load whenever the connection count changes, provided that the (config-sfarm-host-predictor) weight connection command is configured. If the (config-sfarm-host-predictor) weight connection command is not configured, the ACE updates the final load when the next load update arrives from the SNMP probe.
If two servers have the same lowest load (either zero or nonzero), the ACE load balances the connections between the two servers in a round-robin manner.
HTH
Plz rate if u find it useful.
Sachin -
ACE 4710 use dns name in real server
Is there any way to use a DNS name in real server and not a static IP.
Hi,
This is not possible at the moment. With ACE EOL, i don't think it would be added either.
Regards,
Kanwal
Note: Please mark answers if they are helpful. -
ACE 4710 - need help configuring backend server monitoring
Currently running an ACE 4710, which is handling all of our inbound SSL connections and then forwarding requests thru
to backend web servers. This all works fine.
My question is this..Right now we are not load balancing any of the backen web servers. But I now have a requirement that should
a web server crash or become unavailable I need to redirect that backend connection to another web server.
Scenario is more like I have 2 web servers both serving same content, but I want one server to take all the connections unless it fails, at that point
have all the connections forwarded to 2nd server.
Is there a way to setup the load balancing where the 1st server gets all the connections until a failure happens ?
Any help would be appreciated.
Cheers
DaveHi Dave,
You can use sorry-server or backup server feature. details can be found at
http://www.cisco.com/en/US/docs/app_ntwk_services/data_center_app_services/ace_appliances/vA3_1_0/configuration/slb/guide/rsfarms.html#wp1000264 -
ACE 4710 Probes on other servers than the real server
Hi,
I wanted to know if there is a means to configure a probe that is independent of the real servers.
The aim is to configure a probe a real server but also probe another intermediate server which is not in the server farm.
The objective is to declare the real server down if its probe fails but also the probe to an intermediate server fails as well as a or condition.
From the document, there is no mention of it.
But is there a means to do it.
Thanks.Hi Ashley,
i see it is not mentioned anywhere in document but i think ou should be able to bind two probes with real server of which one probe is actually probing another server.
I would configure one probe let's say TCP based and bind it with serverfarm. Then i would configure another probe TCP based and define IP address in that probe (the other server IP which we need to probe) and bind this probe with same serverfarm. Serverfarm will not have this rserver added. And then i would configure "fail-on-all" and test if that works for you.
i know you can set probe on redirect server/serverfarm which actually probes another real server so logically should work for normal host rserver as well. But i have never tested it myself.
Regards,
Kanwal -
Cisco ACE 4710 - Health Monitoring for Real Servers
Hi,
I have setup the following health probe to check for the existence of a specific web page. My intention is that when the web page is removed, the health check fails and the rserver status changes to 'out of service'. Unfortunately, when I remove the web page, I see the health check fail, and the rserver state change to 'PROBE-FAILED', however the rserver does not go 'out of service' and continues to respond to requests.
Can anyone see where I'am going wrong?
Health check probe config
probe http live_http_int
interval 15
passdetect interval 60
request method get url /loadbalancer/internal.html
expect status 199 201
open 10
RSERVER config
rserver host Server1
description Server1
ip address 10.10.10.1
conn-limit max 4000000 min 4000000
probe live_http_int
inservice
rserver host Server2
ip address 10.10.10.2
conn-limit max 4000000 min 4000000
probe live_http_int
inserviceHi syannetwork,
I think you have to "force" the failed server to close the connection when it has failed. Otherwise it will still serve the available HTML pages.
Have a look at the "Configuring the ACE Action when a Server Fails" in the "Cisco Application Control Engine Module Server Load-Balancing Configuration Guide" and let me know if the following command helped:
conf t
serverfarm host ServerFarm
failaction purge
Have a good WE.
Cheers
LPL -
Access Server through VIP (ACE 4710) but very slow
Re: Access Server through VIP (ACE 4710) but very slow
Hi Shiva
Kindly Help .....Accessing the server very slow.., Plz check my real configuration... this configuration is for application server and after this i have to configure more serverfarm for different server like webmail etc. in this ACE 4710. I have only one ACE 4710 .
ACE Version A4(2.0) = is there supports Probe with this version.??? without probe server will work but very slow. And plz guide Nat-pool is required
VIP :-- 172.16.15.8
LB/Admin# sh run
Generating configuration....
no ft auto-sync startup-config
logging enable
logging host 172.29.91.112 udp/514
resource-class RC1
limit-resource all minimum 10.00 maximum unlimited
boot system image:c4710ace-mz.A4_2_0.bin
hostname LB
interface gigabitEthernet 1/1
description Management
speed 1000M
switchport access vlan 1000
no shutdown
interface gigabitEthernet 1/2
description clientside
switchport access vlan 30
no shutdown
interface gigabitEthernet 1/3
description serverside
switchport access vlan 31
no shutdown
interface gigabitEthernet 1/4
no shutdown
context Admin
description Management
member RC1
access-list everyone line 8 extended permit ip any any
access-list everyone line 16 extended permit icmp any any
probe http probe1
description health check
interval 5
passdetect interval 10
request method head
expect status 200 200
open 1
rserver redirect https_redirect
description redirect traffic to https
webhost-redirection / 302
inservice
rserver redirect maintenance_page
description maintenance page displayed
webhost-redirection /sry.html 301
inservice
rserver host web1
ip address 192.168.10.3
inservice
rserver host web2
ip address 192.168.10.4
inservice
rserver host web3
ip address 192.168.10.5
inservice
serverfarm host http
rserver web1
inservice
rserver web2
inservice
rserver web3
inservice
serverfarm redirect https_redirect_farm
description Redirect traffic to https
serverfarm redirect maintenance_farm
description send user to maintenance page
parameter-map type connection paramap_http
description parameter connection tcp
exceed-mss allow
sticky ip-netmask 255.255.255.0 address source Sticky_http
timeout activeconns
serverfarm http
class-map match-all REMOTE-ACCESS
class-map type management match-any remote_access
2 match protocol xml-https any
3 match protocol icmp any
4 match protocol telnet any
5 match protocol ssh any
6 match protocol http any
7 match protocol https any
8 match protocol snmp any
class-map match-all slb-vip
2 match virtual-address 172.16.15.8 tcp eq www
policy-map type management first-match remote_access
class class-default
permit
policy-map type management first-match remote_mgmt_allow_policy
class remote_access
permit
policy-map type loadbalance first-match slb
class class-default
serverfarm http
policy-map type inspect http all-match slb-vip-http
class class-default
permit
policy-map multi-match client-vips
class slb-vip
loadbalance vip inservice
loadbalance policy slb
loadbalance vip icmp-reply active
inspect http policy slb-vip-http
connection advanced-options paramap_http
interface vlan 30
description "Client Side"
ip address 172.16.15.24 255.255.255.0
access-group input everyone
service-policy input client-vips
no shutdown
interface vlan 31
description "Server Side"
ip address 192.168.10.1 255.255.255.0
service-policy input remote_access
no shutdown
interface vlan 1000
description managment
ip address 172.29.91.110 255.255.255.0
service-policy input remote_mgmt_allow_policy
no shutdown
ip route 0.0.0.0 0.0.0.0 172.16.15.1
snmp-server contact "PHQ"
snmp-server community phq group Network-Monitor
snmp-server trap-source vlan 1000
username admin password 5 $1$b2txbc5U$TA74D920oSdd2eOZ4hSFe/ role Admin domain
default-domain
username www password 5 $1$.GuWwQEK$r8Ub4OcE3l190d5GA4kvR. role Admin domain de
fault-domain
username prem password 5 $1$8C7eRKrI$it3UV4URZ26X4S/Bh6OEr0 role Admin domain d
efault-domain
ssh key rsa 1024 force
banner motd # "ro" #
Regards,
PremHi Shiva,
plz guide i'm new with ACE LB, also find my n/w design for connected ace to server. but server accessing very very slow, but when i connect through my old server software LB (with two interface)then accessing very fast. I just replace my old serverLB(with two interface) to ACE4710 and connect the same scenario then why not server accessing smoothly with VIP .Reply soon only I connect ACE's two interface with switch.....
Regards,
Prem -
ACE 4710 - show stats connection questions
Hi,
I have three questions regarding the "show stats connection" command in the ACE 4710:
1. What is the criteria for a connection to be added to the "Total Connections Failed" counter?
2. What is the criteria for a connection to be added to the "Total Connections Timed-out" counter?
3. Is there a command to get more information why the connection was failed or timed-out (e.g. to/from which IP, url accessed etc.)?
Thanks in advance for your help!
Best regards,
HarryHarry,
a connection failed if the server did not respond or resonded with a RST.
As long as the connection gets establised, it is counted as a success.
The connection timeout counter is incremented when the connection is idle for the configured timeout value or for L7 connections if it does not complete the 3-way handshale within the embryonic timeout interval.
Since this is clear why those counters are incrementing, the only way to get more information is to capture a sniffer trace to verify if the conditions above are met.
Gilles. -
ACE Module: Recover a real server probe-failed status
How does the ACE module recover a real server that has entered a probe-failed status state? We are doing some testing, purposely dropping a servers interface. ACE recognizes the server as being down and show it in a probe-failed state. When we bring the system's interface back up, will ACE see this and automatically bring the state back into Operational status, or does someone have to do something on the ACE module?
ACE continues to probe servers that are down or probe_failed. As soon as a server starts responding again its state will switch to alive again.
Nothing to be done.
Gilles. -
Server-conn reuse stats on ACE 4710?
Hi,
Does anyone know if it's possible to get the server-conn reuse stats on an ACE 4710 appliance? I'd like to confirm that it's working and ideally see the number of resued connections.
Thanks,
JimScimitar1/Admin# show np 1 me-stats "-socm -v" | i [uU][sS][eE]
Reuse retrieve link update conn invalid 0 0
Reuse retrieve link update conn not on r 0 0
Reuse retrieve success but conn invalid: 0 0
Reuse retrieve miss: 0 0
Reuse conns retrieved: 0 0
Scimitar1/Admin#
The last 2 indicates if a new connection is needed (miss) or if we could retrieve an existing one.
Gilles.
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