CSS 11500 Series Query

Hi
I have 2 CSS 11500 series units working in a master / slave configuration.
Both units are identical in regards to hardware, IOS, etc.
1 unit allows the running config to be saved by the ' copy run start' command where the other goes through the motions of saving, but a 'show startup-config' shows nothing.
This unit seems to be operational in every other regard. Is this a hardware fault or am I missing a software command somewhere along the way ?
Thanks
Ian

You get such problems when the device is running short of memory. Try increasing the DRAM because what is happening is that the device saves the config in the NVRAM but it does not have enough DRAM to display the configuration when the "sh startup-config" command is executed. A temporary solution is to restart the device, if the problem persists then you have to upgrade the memory.

Similar Messages

  • Services with different IP address subnets over CSS 11500 series

    Hi all folks!
    I have two CSS 11500 series...
    In just a few months i will have ready a DRS (Disaster Recovery Site), where i will have 2 more servers to add to the environment.
    But this servers will be in a different subnet from that today i have for the servers who are configured in the current services of my CSS.
    So then the doubt i arises is:
    Is correct to add two new services with these servers, but using the IP addressing of the DRS site???, and including on the CSS a static route to this network, (of the DRS) in order to reach them?? is it correct, it will work well?
    This would be so....
                 ________________LAN to LAN_____________________
                 |                                                                                |
                 |                                                                                |
    |------SITE A------|                                                        |------SITE B------|  
         [Firewall] ===============IPSEC============= [Firewall]               
               |                                                                                |
               |                                                                                |
    [CSS-A]-[CSS-B]                                                            [SWITCH]
           |          |                                                                     |         |         
         [SWITCH]                                                                    |         |                                                                 
    [srvA] [srvB] [srvC]                                                          [srvD] [srvE]
    So, at [CSS-A] & B, i will put a static route to firewall that know the subnet of site B through the IPSEC tunnel.
    So In the CSSs, i will add the new services for the Servers "D" & "E" with the IP address of Site B.
    This should be seen as well:
    !*************************** GLOBAL ***************************
    ip route 0.0.0.0 0.0.0.0 [IP FIREWALL]
    ip route SITE B [IP FIREWALL]
    !************************** SERVICE **************************
    service srvA
      ip address A.A.A.x
      port 8080
    service srvB
      ip address A.A.A.x+1
      port 8080
    service srvC
      ip address A.A.A.x+2
    port 8080
    service srvD
      ip address B.B.B.y
    port 8080
    service srvE
      ip address B.B.B.y+1
    port 8080
    I know that this practice is not the most desirable, in fact should use"Basic Global Server Load Balancing Site Redundancy Using the CSS with DNS", but I don't have much time to change the entire environment today, and in this first stage i have to begin with this poor but quick solution that i thought and i wanted to be validated if there is posibliidades this to work
    Within their experiences that they say? Will operate?
    Thanks in advance!
    Regards!
    Esteban =)

    Daniel!
    Sorry by delay!
    Thank you so much for you time for reply.
    You have given me a great help to this doubt!
    But..using "source group" let me know..
    I can´t undertand the really difference between NAT with ACls as you can see at this link: (http://www.cisco.com/en/US/products/hw/contnetw/ps789/products_tech_note09186a0080093dfc.shtml)
    and
    this other link, using NAT (from the piont 5), (http://www.cisco.com/en/US/products/hw/contnetw/ps789/products_configuration_example09186a0080093dff.shtml)
    where the NAT is configured under a method different from the previous one..
    So.. for this scenario described above, which would you recommend using? I would think that the second is the most indicated truth? What do you think?
    Thanks in advance again!!!
    Have nice day!
    Regards.
    Esteban.

  • Do CSS 11500 series allow remote SPAN?

    Hi,
    I found SPAN (Switch port analyzer) is available on CSS 11500 series, but could only found destination must be local. Is it possible to do remote SPAN and make the destination be in another remote switch?
    And how many local span sessions are allowed?
    Thanks,
    Rgds
    Jorge

    Cisco WebNS Software Version 7.20 delivers support for a new Cisco CSS 11501 model and Cisco WebNS Software 7.20 supports SPAN the features.
    Switched Port Analyzer (SPAN) or port mirroring is useful for network analysis?a copy of the packets received or transmitted by a source port is sent to a designated destination port.
    Kindly go through these links to get detailed information:
    http://www.provantage.com/cisco-systems-css11503-ac~7CSCO288.htm
    http://www.cisco.com/en/US/products/hw/contnetw/ps792/prod_release_note09186a008077c440

  • CSS 11500 Series LOGs

    Hi everyone,
    I need some help about one type of CSS 11500 LOG messages:
    OCT 12 07:47:03 1/1 273 WCC-6: Computing slow start parameters for newly activated service index 4
    OCT 12 10:25:05 1/1 274 WCC-6: Computing slow start parameters for newly activated service index 3
    OCT 12 11:19:49 1/1 275 WCC-6: Computing slow start parameters for newly activated service index 3
    OCT 12 11:26:33 1/1 276 WCC-6: Computing slow start parameters for newly activated service index 3
    OCT 12 12:20:37 1/1 277 WCC-6: Computing slow start parameters for newly activated service index 3
    OCT 12 14:04:32 1/1 278 WCC-6: Computing slow start parameters for newly activated service index 4
    OCT 12 14:04:53 1/1 279 WCC-6: Computing slow start parameters for newly activated service index 5
    OCT 12 14:05:01 1/1 280 WCC-6: Computing slow start parameters for newly activated service index 4
    I was trying to find some explanation about these LOGs, but I didn’t have any success.
    My questions are:
    1. What does this LOG type mean?
    2. Does it signalize some issue on the service?
    Thanks a lot for the help!
    Regards,
    Marko

    Hi Marko,
    Please go through the below link:
    http://www.cisco.com/en/US/docs/app_ntwk_services/data_center_app_services/css11500series/v8.20/configuration/content_lb/guide/ContRule.html#wpmkr1150644
    Just pasting some content. Read the details please.
    Slowly Starting Connections on a Service
    When you configure a content rule with the least connection (leastconn) load-balancing method, a service on the rule with the fewest connections receives the next request. If you activate a service on this rule, the service may become flooded with requests.
    To prevent the flooding of connections on a newly activated or reactivated service, you can enable the slow-start feature on a content rule configured with the leastconn load-balancing method. Through this feature, you can configure:
    •The rate that an activated service receives connections. The slow-start rate is applied globally to all leastconn content rules on the CSS. By default, the rate is enabled with a default value of 3. If you disable the rate by setting it to 0, the slow-start feature is disabled on all leastconn content rules configured on the CSS.
    Note We recommend that you do not change the slow-start rate default value.
    •The maximum time that the service remains in the slow-start process. The slow-start timer sets the number of seconds that the service on a leastconn content rule is in the slow-start process. The timer is applied to a leastconn content rule. By default, the timer is disabled. If the timer is disabled, the slow-start feature is disabled on the rule.
    When you enable the slow-start feature on the CSS and a leastconn rule, a service on the rule enters the slow-start process when you:
    •Add and activate a service to the rule
    •Reactivate a service after suspending it on the rule
    •Activate the rule
    When you activate a rule, it starts to load balance the connections on its services. The service with the least number of connections is selected to enter the slow-start process.
    When a rule has only two services, only one service can enter the slow-start process. When the rule has more than two services, a newly activated service can enter the slow-start process when one of the services is currently in the slow-start process and the other services are out of the slow-start process.
    A service in the slow-start process slowly continues to receive connections until either the slow-start timer expires or its connections equal the number of connections on the other active services of the rule. Then, the service exits the slow-start process and starts receiving connections as it normally would.
    Regards,
    Kanwal

  • What is the appropriate product name for CSS 11500 on Bug Toolkit

    Today I tried to search DDTs of CSS 11500 on Bug Toolkit (http://www.cisco.com/cgi-bin/Support/Bugtool/home.pl), however I can not find out appropriate product name corresponding to CSS 11500.
    Before I had searched DDTs of CSS 11500 on Bug Toolkit many times, at that time, if my memory correct..
    I selected "Cisco CSS 11500 Series Content Services Switches" in the list of "Search for bugs in other Cisco software and hardware products" on Bug Toolkit.
    But I can not find this product name today.
    Do you know what product name appropriate for CSS 11500 on Bug Toolkit ?
    Your information would be appreciated.
    Best regards,

    Hi Gilles,
    Thank you for your cooperation.
    Today, I can find the CSS at "new Bug Toolkit".
    http://tools.cisco.com/Support/BugToolKit/action.do?hdnAction=searchBugs
    Select Product Category: Application Networking Services
    Select Product: Cisco CSS 11000 Series Content Services
    So I understand I should go "new Bug Toolkit" instead of old "Bug Toolkit" to
    search any DDTs for CSS 11500.
    Many thanks.
    Best regards,

  • Sorry Server for CSS 11500

    Hi,
    I have a question regarding sorry server configuration on the CSS 11500 series.
    Is there a way for the sorry server to ignore the URL path and always send the user traffic to the "root" page (e.g. index.html) of the sorry server web server?
    The problem I have is the redirection of the "root" page (url "/") that is configured for the normal traffic is causing the sorry page not to work since the URL path ("/psp/CUSTOMER1/?cmd=login") does not exist on the sorry page web server:
    service Sorry-Server
      protocol tcp
      port 8000
      keepalive type tcp
      ip address 192.168.2.254
      active
    service server1
      ip address 192.168.2.101
      protocol tcp
      keepalive type tcp
      port 8080
      active
    service server2
      ip address 192.168.2.102
      protocol tcp
      keepalive type tcp
      port 8080
      active
    owner Customer1
      content Content1
        vip address 192.168.1.101
        port 80
        protocol tcp
        url "/*"
        balance aca
        advanced-balance arrowpoint-cookie
        flow-timeout-multiplier 6
        add service server1
        add service server2
        primarySorryServer Sorry-Server
        active
      content Content1-Redirect
        redirect "/psp/CUSTOMER1/?cmd=login"
        vip address 192.168.1.101
        port 80
        protocol tcp
        url "/"
        active
    Thanks in advance for your help!
    Best regards,
    Harry

    Hi again,
    During a maintenance window I made the following change and that made things a bit better:
    service Sorry-Server
      type redirect
      keepalive type none
      redirect-string "192.168.2.254:8000"
      active
    However, since the redirect string points to a private address, Internet users are not able to access the URL.
    As a work-around I sent the redirect to a new content rule with a public address and then configured a second sorry page server:
    service Sorry-Server
      type redirect
      keepalive type none
      redirect-string "sorry.example.com:8000"
      active
    service Sorry-Server-2
      ip address 192.168.2.254
      protocol tcp
      port 8000
      keepalive type tcp
      active
    owner Customer1
      content Content2
        vip address x.x.x.x
        add service Sorry-Server-2
        port 8000
        protocol tcp
        active
    Is there a better way to do this?
    Best regards,
    Harry

  • Cisco CSS 11500 and RDP

    Dear NetPros:
    Does anyone know that does Cisco CSS 11500 Series Content Services Switch support 'Session Caching of RDP Clients? session for roaming of disconnected sessions' features?
    Thanks
    Bernard

    The Cisco CSS 11500 is a compact modular platform, specifically designed to provide robust Layer 4-7 traffic management services for e-business applications in Internet and intranet data centers.
    This URl should help you:
    http://www.cisco.com/en/US/netsol/ns340/ns394/ns50/ns254/networking_solutions_package.html

  • CSS 11500 - Support IPV6

    Does the 11500 series support IPV6? If so, what code level was it first introduced in? If not, when will it be supported? Thank you!

    not supported and will never be on the CSS.
    A new device will be created and it will come with many new features including ipv6 support in hardware.
    Gilles.

  • CSS 11500 authenicate certificate using LDAP

    Can the CSS 11500 authenticate a certificate by querying an LDAP Server on "the inside"?

    no. This is not possible.
    Gilles.

  • Users losing session on 11500 series Content switches

    What would cause users to loose session connection on the 11500 series switches.Arrowpoint cookies are been used.

    the CSS has an aggressive way of destroying idle connection.
    If a connection stays idle for 8 sec, the CSS mark it has idle.
    Once marked idle, a connection will stay idle forever for the CSS - even if traffic is still going on between client and server.
    So at some point of time, the CSS will decide to reuse the memory used to switch a connection marked idle.
    At this time, the user will lose his session.
    The solution is to increase the idle timeout.
    The command is 'flow-timeout-multiplier' and you configure it per content rule.
    Give it a try with a timeout multiplier of 20 and see if this improves the situation.
    You may have to increase the value.
    Gilles.

  • Load Balancing Linux servers with CSS 11050 series

    We would like to load balance Linux FTP and Web servers with a CSS 11050 series device. Does the content switch use SNMP to load balance the servers? If so, which MIBs need to be loaded on the servers?

    I dont believe that the CSS supports any SNMP load balancing mechanism.
    There is basically two factors involved in load balancing. One: the state of the servers which can be done via a range of mechanisms including ping, TCP connection, Application request, etc. Two: the way a server is chosen when a request comes in including round-robin, least connections, ACA etc.
    Checkout these links:-
    http://www.cisco.com/warp/customer/117/basic_css_lb_config.html
    http://www.cisco.com/warp/customer/117/methods_load_bal.html

  • Multihoming with CSS 11500?

    Can I do load balancing between two internet ISP's (multihoming), from Internet to Web Server (inside traffic) and from Internal network to Internet (outside traffic) with a Cisco CSS 11500?

    you can connect the CSS to multiple ISP.
    With the ECMP feature, the CSS will forward the response back to where the connection came from.
    However, for outgoing connection, the CSS can't do loadbalancing over multiple ISP.
    Regards,
    Gilles.

  • Load balancing PPTP (Windows 2003) behind CSS 11500

    I am wondering if you can load balance PPTP service (TCP port 1723 and GRE) behind CSS 11500, please let me know if anyone as experience with this setup.
    Irfan
    [email protected]

    No. I dont think you can load balance PPTP service behind CSS 11500.

  • CSS 11500 - Change name device

    Hi,
    I need to change the device name (hostname) of my CSS 11500. How I can do that? I'm searching since some hours without result.

    to avoid having to retype the name after each reboot, you have to do a save_profile.
    Gilles.

  • CSS 11500 url path rewrite and NAT

    Hi,
    We are evaluating a CSS 11500 and try to configure url path rewrite and NAT, but we have some problems.
    What we would like to do is the following:
    http://www.example.com/path1 -> http://host1:80
    http://www.example.com/path2 -> http://host1:8080
    http://www.example.com/path3 -> http://host2:80
    The address www.example.com is resolving to a valid internet address, whereas host1 and host2 resolves to private IP addresses.
    The client should always see the external url (e.g. http://www.example.com/path1/...) and the CSS should do the necessary translation.
    Any help would be very much appreciated!
    Regards,
    Harald

    Hello Experts, I'm new with this cisco stuff too(just got it 3 weeks ago), but here is some of my experience with cisco css 11501.
    First : Service ServerName, there is a port setting here, but from my experience, I think it is related with KeepAlive option, so, port is alternate way to know if the server alive or not.
    Second : When you send request to cisco css, the port option in content port will be the cisco css port to accept request, so, if you send a request to http://vip:8080/, all service must be in the same port too to balance the request, in this case, port 8080, if one service port 80, i'm sure the css will not hit the server.
    Third : To solve your problem...
    http://www.example.com/path1 -> http://host1:80 (ipA)
    http://www.example.com/path2 -> http://host1:80 (ipB)
    http://www.example.com/path3 -> http://host2:80
    if you are lazy to buy new nic, just set subinterface/ip alias on the host1, and make the webserver only bind to specific address, not to all interface...
    O yea, about your path1/path2/path3 -> /, hmm, i'm still asking in this forum about path changing cause until now, i haven't know how to do this, i know about apache rewrite module, and success do this, if only i know about this in cisco css too :-(
    I'm sorry if I make mistake, I'm just telling my experience...

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