The PowerConnect 5524 ARP Cache size

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• XP SP3 "error can not clear the ARP cache.

  had problems connecting to play online on the server, so I fix the connection got msg "repair cannot clear the ARP cache.

  XP SP3 IE 8

  Hello

  Maybe this can help.

  http://www.tech-FAQ.com/clear-ARP-cache.html

• How can I clear the ARP cache?

  As in the topic, anyone can give me, a computer user to moderate level, which has little experience move in the registry should be necessary, clear the ARP cache, something windows said that he could not do by itself?

  Thanks a lot for any input

  Dan Hartman

  

  Hello

  · Why are you trying to clear the ARP cache?

  · Is your computer connected to the network?

  · Have you run on the computer network diagnostic tool?

  · You receive an error message or error with the same code?

  How to troubleshoot connectivity TCP/IP with Windows XP: http://support.microsoft.com/kb/314067 (under more information see method 4 section)

  You can also see: Arp: http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/arp.mspx?mfr=true

• Clear the ARP cache

  Over the past three weeks, the download speed on my WCG200 wireless has fallen below 800, giving me results generally in the range of 500, but as low as 157 and 14.  I went to the wireless network connection status screen, click the support tab and use the repair feature, but I received an error message on the clearing the ARP cache.  I tried a reboot, but I still get the same message.  I use XP.  Any ideas on how to solve this problem?  Thank you.

  Click Start, then click Run... Type cmd, and then click ok. You will see a command prompt screen... Here you must type this command exactly as it appears...

  netsh interface ip delete arpcache

• Change the time-out for ARP cache on vSphere 5.1?

  Hello

  Does anyone know how to change the expiration time of the cache ARP on ESXi hosts? We have a few problems with vMotion and it seems that the default ARP cache is set to 20 minutes while it is set to 5 minutes on our Cisco switches.

  Any ideas where to look?

  The routing table in ESXi with has priority over what you have configured in your trade.

  It wasn't a problem in ESX as the Service Console and vmkernel had their own separate routing table to deal with...

  And I do not think that ICMP will reveal such a question... Ping'in so may seem very well...

  Try to configure your vMotion vmk interface with a different subnet and Im sure its all good...

  / Rubeck

• ENABLE SNMP POWERCONNECT 5524

  Hello,
  I have a problem on one of my Dell PowerConnect 5524 switches .
  I do not turn on SNMP.
  All my other switches work well except this one .
  I looked extensively without results
  

  SW-STUDIOshow snmp

  SNMP is disabled.

  Community community-access view name string IP mask
  -------------------- ------------------ -------------- ------------ ------------
  Public ReadOnly default all the

  Group Community-String name IP address mask type
  ------------------ ------------ ------------------- ------------------- ------

  Traps are enabled.
  The authentication failure trap is enabled.

  Notifications of the version 1, 2
  Udp target address community Type to the attempts of Version filter
  Name of the dry port
  ---------------- -------- ----------- ---------- ----- ------- ----- ---------

  Notifications of version 3
  Udp security target address Type attempts username filter
  Name of the dry Port level
  ---------------- -------- ----------- -------- ----- ------- ----- ---------

  Contact system:
  System location:

  Hello, my problem is ok.

  It was enough just to spend the following command: Server snmp Server

  Quick glance:

  SW-STUDIO # configuration

  SW-Studio (config) # Server snmp Server

  Exit SW-Studio (config) #.

  SW-STUDIO # display snmp

  SNMP is enabled.

• Time-out for ARP cache on Cisco routers

  Hello

  I was reading a book on Cisco routers, in which the author said: "the router resets the age ARP meter to zero whenever he sees valid traffic from the corresponding device.» This ensures that the addresses of active devices are never emptied in the cache, regardless of how long they have been known. »

  I'm really surprised at this topic because I always thought the age counter ARP was an absolute of the meter and not compared to the last time a package was seen coming from the corresponding IP address. After reading this, I did a few tests that tend to confirm the age counter ARP is absolute and that he cares not if we have movement active in the corresponding period of INQUIRY or not.

  : Question 1 can someone confirm this please?

  I am unable to find clear statements in the Cisco documentation.

  QUESTION 2: when the router sends a new ARP request?

  For example, when the time-out of the ARP is 4 hours or 240 minutes (default value of Cisco), the router sends an ARP request reaching 239 minutes (1 minute before the expiration time). This value is a fixed (send us a 1 minute before aging ARP request) or is it a relative value (x % of the value of timeout)?
  

  Thanks for your help.

  Sam

  I have some additional information that might help. I found an ad of a Cisco engineer, which gives some information about the behavior of ARP in Cisco IOS. He said clearly (and is an example) that if Cisco receives an ARP to a host request it will use this request to refresh the ARP entry and reset the timer so that the entrance without making its own application ARP. Maybe that's the behavior they were trying to talk in the IOS Cookbook.

  It also speaks to a unicast ARP request 60 seconds before the expiration of the entry so that the entry can be updated. It does not specifically say, but I think that this interval is fixed.

  Here is the link if you want to see the details:

  http://puck.nether.NET/pipermail/Cisco-NSP/2005-February/017400.html

  Regarding the error in the book, I worked as an examiner on a few pounds and can tell you that the authors and reviewers are working hard to do the right thing. But sometimes mistakes are not captured and appear in the publication. With the amount of detail covered in the book some mistakes are bound to crawl through.

  HTH

  Rick

• Application of LSI 9260-4i cache size

  Hello

  Running a Cisco UCS C - 200, I noticed the reports as 349 MB cache size but I was under the impression that it should be 512 MB

  This normal?

  

  Hello

  The number displayed under the MMIC is for the cache lines rather than the size of the global cache.  If you SSH into the MMIC and run the following commands look for the size of the memory and it should say 512 MB for 9260-4i.

  UCS c200 m2 /chassis # see the storageadapter

  PCI Slot valid Product Info name serial number of the firmware Build product ID battery status Memory Cache Size

  -------- ---------- ---------------------------------- -------------- ----------                                                                                ------------------------ -------------- -------------- --------------

  SLOT-7 Yes LSI MegaRAID SAS 9260-4i S1000 12.12.0 - 01 49 LSI Logic fully charged 346 MB

  UCS c200 m2 /chassis # storageadapter SLOT-7 scope

  UCS-c200-m2/chassis/storageadapter # see the hw-config detail

  7 PCI Slot SLOT:

  Valid Info: Yes

  Info invalid Cause:

  SAS address 0: 5000c 50021567829

  SAS address 1: 5000c5002133f3b5

  SAS 2 c address: 5000 50021567389

  SAS address 50021567431 3 c: 5000

  SAS address 4:

  SAS address 5:

  SAS address 6:

  SAS address 7:

  Present BBU: true

  Present NVRAM: true

  Debugger present series: true

  This memory: true

  This Flash: true

  Memory size: 512 MB<-- actual="" total="">

  Memory cache size: 346 MB

  Number of Backend Ports: 4

• How to calculate input (value &amp; Key) in cache size?

  Guys,

  I see two different values when you try to calculate the size of an entry (key & value) object in the cache, you wonder which is correct

  I <BINARY>Unit-Calculator< /Unit-Calculator> and untiFactor = 1

  1. with the help of ExternalizableHelper

  Serializer cache serializer = .getCacheService () .getSerializer ();

  int entrySize = ExternalizableHelper. toBinary (tKey, serializer). length() + ExternalizableHelper. toBinary(tKey, serializer). length();

  output entrySize = 130bytes

  2 mark MBean JMX

  < ObjectName > game names = mbeanServer.queryNames (new ObjectName ("consistency: type = Cache, service = *, name =" + cacheName + ", *"), null);

  long totalUnits = 0;

  for (name ObjectName: name) {}

  Units of Integer = (integer) mbs.getAttribute (name, 'Units');

  Integer unitFactor = (Integer) mbs.getAttribute (name, "UnitFactor");

  Size of the integer = (units * unitFactor) / size;

  }

  output size = 240bytes...

  So, ask yourself why there is a huge difference in the size returned by ExternalizableHelper and JMX Bean.

  1. don't JMX MBean also add coherence an overload to the size of the entry?

  2. which is the correct method for compensable size entry?

  Thank you

  D

  Hello

  Yes the BinaryCalculator is given overhead.

  JK

• Fix the activation parameters for caching the results of the customer? No performance gain

  I gathered and made every detail I could search. I use Oracle EE 11.2 g 32-bit on Windows 7 64 bit
  
  But despite I activate client caching result, I see no difference response API despite I have remote, connect to the server on LAN 1Gbit network
  
  I see > difference 1 sec only when you enable caching of server (2nd opening files 300% faster 57 dry-> 18 s) and 32 MB are cached for the opening.
  I don't know how to see the client_result_cache except the network traffic, detours, IO
  MEASURES_
  * 1.* I activated the parameter setting Statement Caching on the client and dbhome and set it equal to my ora.ini file OPEN_CURSORS (300) the registry as possible. And rebooted the system, of course.
  ---------
  HKEY_LOCAL_MACHINE > SOFTWARE > Wow6432Node > ORACLE > KEY_OraClient11g_home1 > OLED > StmtCacheSize
  HKEY_LOCAL_MACHINE > SOFTWARE > Wow6432Node > ORACLE > KEY_OraDb11g_home1 > OLED > StmtCacheSize
  -There is no standard oracle registry dir - probably cause its 64 bit +.
  -* 2 I have Super-activated all relevant SYSTEM parameters. 3 X the size necessary to be cached, FORCED cach, 100% of the result, 600000ms lag(10min)
  -------
  client_result_cache_lag... large integer 600000
  client_result_cache_size... great integer.100M
  ...
  db_cache_advice... chain... WE
  db_cache_size... large integer 0
  ...
  ... full object_cache_max_size_percent... 10
  ... full object_cache_optimal_size... 102400
  ... full result_cache_max_result... 100
  result_cache_max_size... big integer.100M-this is for caching wright + server
  result_cache_mode... chain... FORCE
  ... full result_cache_remote_expiration... 30
  session_cached_cursors... around... 50
  -Is everything OK? Why not better time response then?
  The LAN 1Gbit 1 customer is perhaps too fast anyway, and I should try via internet or something?
  
  Hope that you have an idea, I can't search to find or think of something.

  As said by John, SQL * Plus does not implement caching the result to the client. You write an application for OIC (or another application that knows the OIC calls appropriate to make) that implements the setting cache the result of the customer.

  Your test is behaving as expected.

  Justin

• How to change the style of letter and size on the Thunderbird page

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  The e-mails contained in the subject.

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• How can I change resolution from the office to a normal size

  original title: How can I change this back?

  everything seems bigger on my screen. even the background screen and icons. Magnifier is off and checked the dpi.

  If for some resolution reason reset does not help, try to do a system restore.

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  Dennis & ConnieCashion, Hi
  
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• Transit VLAN on the PowerConnect 6224

  I need help to sort out a problem with routing on a 6224 we have configured to act as a vlan transit for one of our branches.  The general idea is 8.143 is the vlan of transit, of 8.144 is our PC LAN 8.145 will be our VOIP lan.

  We have installed this switch with our WAN provided last week, but had to get out. Traffic seemed to happen to the WAN providers to our transit interface VLAN (172.22.143.254) wasn't going anywhere.  It's symptoms

  (1) we could ping from 172.22.144.x to 172.22.145.x and 172.22.143.x

  (2) we could ping from 172.22.145.x to 172.22.143.x and 172.22.144.x

  (3) we could ping from 172.22.143.x to 172.22.144.x and 172.22.145.x

  (4) if I was plugged into the 6224 on with an address 143.x I could ping our remote control does site at 172.22.8.x no problem but not 144.x or 145.x

  (5) 172.22.8.x, I couldn't ping 144.x or 145.x or 143.1 (I could ping 143.254 which is EXTENDED to suppliers to our switch network interface)

  Here's the running to the switch configuration.  Any suggestions would be greatly appreciated:

  Console > activate

  Console execution #show

  ! Current configuration:

  ! Description of the system "PowerConnect 6224, 3.3.6.4, VxWorks 6.5.

  ! 3.3.6.4 system software version

  ! Passage mode is configured as disabled

  !

  Configure

  database of VLAN

  VLAN 143-145

  VLAN routing 143 1

  VLAN routing 144 2

  VLAN routing 145 3

  subnet of VLAN association 172.22.143.0 255.255.255.0 143

  subnet of VLAN association 172.22.144.0 255.255.255.0 144

  subnet of VLAN association 172.22.145.0 255.255.255.0 145

  output

  battery

  1 1 member

  output

  DHCP IP address

  IP routing

  IP route 0.0.0.0 0.0.0.0 172.22.143.254

  interface vlan 143

  Name the "Transit".

  routing ip address 172.22.143.1 255.255.255.0

  output

  interface vlan 144

  name "TWLAN".

  routing ip address 172.22.144.1 255.255.255.0

  output

  interface vlan 145

  the name "VOIP" routing

  IP 172.22.145.1 255.255.255.0

  output

  level of 746f7a78621059d80fdc538acc40cbf2 user name 'admin' password encrypted 15

  !

  interface ethernet 1/g1

  switchport mode general

  VLAN allowed switchport General add 143

  output

  !

  interface ethernet 1/g2

  switchport mode general

  VLAN allowed switchport General add 143

  output

  !

  interface ethernet 1/g3

  switchport mode general

  VLAN allowed switchport General add 144

  output

  !

  interface ethernet 1/g4

  switchport mode general

  VLAN allowed switchport General add 144

  output

  !

  interface ethernet 1/g5

  switchport mode general

  VLAN allowed switchport General add 145

  output

  !

  interface ethernet 1/g6 switchport mode General General switchport vlan allowed output adds 145! interface ethernet 1/g7 switchport mode General General switchport vlan allowed output adds 145! interface ethernet 1/8 switchport mode General General switchport vlan allowed output adds 145! interface ethernet 1/g9 switchport mode General General switchport vlan allowed output adds 145! interface ethernet 1/g10

  switchport mode General General switchport vlan allowed output adds 145! interface ethernet 1/g11 switchport mode General General switchport vlan allowed output adds 145! interface ethernet 1/g12 switchport mode General General switchport vlan allowed output adds 145! interface ethernet 1/g13 switchport mode General General switchport vlan allowed output adds 145! General mode of interface ethernet 1/g14 switchport

  switchport general allowed vlan add exit 145! interface ethernet 1/g15 switchport mode General General switchport vlan allowed output adds 145! interface ethernet 1/g16 switchport mode General General switchport vlan allowed output adds 145! interface ethernet 1/g17 switchport mode General General switchport vlan allowed output adds 145! interface ethernet 1/g18 switchport mode General switchport General allowed vlan add 145

  output! interface ethernet 1/g19 switchport mode General General switchport vlan allowed output adds 145! interface ethernet 1/g20 switchport mode General General switchport vlan allowed output adds 145! interface ethernet 1/g21 switchport mode General General switchport vlan allowed output adds 145! interface ethernet 1/g22 switchport mode General switchport General allowed vlan add exit 145

  ! interface ethernet 1/g23 switchport mode General General switchport vlan allowed output adds 145! interface ethernet 1/g24 switchport mode General switchport General allowed vlan add to exit 145

  Console #.

  It seems that port 1 must be in the VLAN 143, not general mode access mode. You already have a static route in place on the PowerConnect switch which directs traffic to the next break in the network. But it may be necessary for a place on the Cisco that allows to direct traffic to the PowerConnect switch.

  Here is a good post to look through also.

  http://en.community.Dell.com/support-forums/network-switches/f/866/t/19506015.aspx