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EUdict (European dictionary) is a collection of online dictionaries for the languages spoken mostly in Europe. These dictionaries are the result of the work of many authors who worked very hard and finally offered their product free of charge on the internet thus making it easier to all of us to communicate with each other. Some of the dictionaries have only a few thousand words, others have more than 320,000. Some of the words may be incorrectly translated or mistyped.

German term or phrase: Postcheck: Konto: This appears at the top of a letter from a Swiss businessman to an English supplier. The address/phone/fax details are given, followed by Schweiz Bankgesellschaft 5620 Bremgarten, Konto Nr. Xx, then Postcheck: Konto xx xx. It is a letter from 1996 and contains a number of typos. PostCheck will also reformat an address to conform to the United States Post Office standards. Full Specifications. What's new in version 2.5. New Gatekeeper-compatible installer app, rather than.

1. Services And Equipment. Mobile Retardant Base; Ground Applied Retardant; Mixing Systems; Company Info.
2. Services And Equipment. Mobile Retardant Base; Ground Applied Retardant; Mixing Systems; Company Info.

So the pre-check means that the loop iterator variable is checked before the code inside the loop is executed and the post-check means that the iterator is checked after the code in the loop is run. With the post-check method the code is run at least once. This may, or may not, be what you want to happen.

Esperanto is only partially translated. Please help us improve this site by translating its interface.

Total number of language pairs: 492
Total number of translations (in millions): 14.3

Improved: English<>Chinese, English<>Italian, English<>Russian

Options

There are several ways to use this dictionary. The most common way is by word input (you must know which language the word is in) but you can also use your browser's search box and bookmarklets (or favelets).

Look at the complete list of languages: Available language pairs

There are two Japanese-English (and Japanese-French) dictionaries and one contains Kanji and Kana (Kana in English and French pair due to improved searching). For the same reason the Chinese dictionary contains traditional and simplified Chinese terms on one side and Pinyin and English terms on the other.

Browser integration (Search plugins)

Perhaps the best way to enable dictionary search is through integration into the search field of your browser. To add EUdict alongside Google, Yahoo!, Amazon and other search engines in Mozilla Firefox or Internet Explorer, simply click on link after the title Browser integration, select appropriate language pair and confirm your decision. And you're ready to go; select EUdict from the drop-down list in search field (Firefox) or address bar (IE), input a word and press Enter. In Chrome, first click on a language pair and change the search keyword in the field 'Keyword' to a keyword (eg: 'eudict'). Afterwards, you simply type the chosen keyword in the address bar to start the search in the chosen dictionary.

Bookmarklets

There is a way to enable word translation from any page: Bookmarklets. A bookmarklet is a small JavaScript code stored as a bookmark in your browser.

Tips and tricks

If you want to type a character which isn't on your keyboard, simply pick it from a list of special characters. If you are unable to add a bookmarklet in Mozilla Firefox according to the instructions above, there is another way; right click on a link and select Bookmark this link… Now you can drag this link from Bookmarks to the Bookmarks Toolbar.

Instead of clicking the Search button, just press Enter. Although EUdict can't translate complete sentences, it can translate several words at once if you separate them with spaces or commas. Sometimes you can find translation results directly from Google by typing: eudict word. If you are searching for a word in Japanese (Kanji) dictionary and not receiving any results, try without Kana (term in brackets). If you are searching for a word in the Chinese dictionary and not receiving any results, try without Pinyin (term in brackets). Disable spellchecking in Firefox by going to Tools → Options → Advanced → Check my spelling as I type. Why not add a EUdict search form to your web site? Form

Credits

My name is Tomislav Kuzmic, I live in Croatia and this site is my personal project. I am responsible for the concept, design, programming and development. I do this in my spare time. To contact me for any reason please send me an email to tkuzmic at gmail dot com. Let me take this chance to thank all who contributed to the making of these dictionaries and improving the site's quality:

• Goran Igaly – author of the initial English-Croatian database
• Natali Kralj – author of the Dutch-Croatian dictionary
• Jim Breen – author of the Japanese-English dictionary
• Besiki Sisauri – author of the English-Georgian dictionary
• Giorgi Chavchanidze – author of the several Georgian dictionaries
• Jerzy Kazojć – for excellent dictionaries collection
• Rajesh – for help with English-Tamil and German-Tamil dictionary
• Chinese-German dictionary adapted from: 'The free Chinese-German dictionary'
• Grazio Falzon – author of the English-Maltese dictionary
• András Tuna – for smart suggestions about improving this site
• Interface translation: Tomislav Kuzmić (Croatian), Vasudevan Tirumurti, Fahim Razick (Tamil), Matti Tapanainen (Finnish), Ebru Bağlan (Turkish), Arsene Ionuț, Cristina Crisan (Romanian), Daiva Macijauskė (Lithuanian), Tetiana M. (Ukrainian), András Tuna (Hungarian), Jakob Lautrup Nysom (Danish), Andre Abdullin, Elena Zvaritch (Russian), Catherine Györvàry (French), Gab M., Klaus Röthig (Portuguese), Marcin Orzełek (Polish), Stefanija Madzoska, Daniel Matrakoski (Macedonian), Selina Lüdecke, P. H. Claus (German), Vangelis Katsoulas (Greek), Roberto Marchesi (Italian), Robin van der Vliet (Esperanto), Reno Rake (Indonesian), Nahuel Rodríguez (Spanish), Gao Pan (Chinese), Hoài Sang Lăng (Vietnamese)

EUdict is online since May 9, 2005 and English<>Croatian dictionary on tkuzmic.com since June 16, 2003.

Introduction

This document describes the steps to troubleshoot Application Centric Infrastructure (ACI) upgrade issues and best practices to be followed before and during the upgrade process.

ACI upgrade involves update of Application Policy Infrastructure Controller (APIC) software and switches(leaf and spine) update. Switch upgrade is usually very straight forward, however APIC upgrade may involve some cluster issues. Here are a few pre-checks Cisco recommends to prepare before an upgrade is started.

Before Upgrade

Before you start the ACI upgrade, make sure to perform some pre-checks to avoid any unexpected behaviours.

Things to Do Before APIC Upgrade

1. Clear All the Faults
   

   
   Many faults in ACI fabric state that there are invalid or conflict policies or even disconnected interfaces etc. Please understand the trigger and clear them before you start the upgrade. Be aware, the faults such as encap already been used or Routed port is in L2 mode could result in unexpected outage. When you upgrade the switch, it would download all the policies from APIC from scratch. As a result, the unexpected policies may take over the expected polices which could cause an outage.
   

2. Clear VLAN Pool Overlap
   VLAN pool overlap means the same VLAN ID is part of two or more VLAN pools. If the same VLAN ID is deployed on multiple leaf switches which is part of different VLAN pools, it would have a different VXLAN ID on these switches. Since ACI uses the VXLAN ID for forwarding, traffic destined to a particular VLAN may end up in different VLAN or get dropped. Since the leaf downloads the configuration from APIC after its upgrade, the order in which VLAN gets deployed has a major role. So, this could result in an outage or intermittent connectivity loss to endpoints in some VLANs.
   So, it is important to check for VLAN ID overlap and correct them before you start the upgrade. It is recommended to have one VLAN ID be part of one VLAN pool only and reuse the VLAN pool where needed.
   
3. Confirm Supported Upgrade Path
   The APIC upgrade involves the data conversion from one version to other which is done internally. For data conversion to succeed, there are some version compatibility that needs to be taken care of. So, always make sure to check if Cisco supports the direct upgrade from your current ACI version to the new target version you are upgrading to. Sometimes, you would have to go through multiple hops to reach the target version. If you upgrade to a non-supported version, it could result in cluster issues and configuration issues.
   The supported upgrade paths are always listed on Cisco ACI Upgrade Guide
   
4. Backup APIC Configuration
   Make sure to export a configuration back up to a remote server before you start the upgrade. This exported back up file can be used to get the configuration back on APICs if you have to lose all configuration or a data corruption after the upgrade.
   

   Note: If you enable encryption for the backup, make sure to save the encryption key. Otherwise, all the user account passwords including the admin password wouldn't be imported properly.

5. Confirm APIC CIMC Access
   Cisco Integrated Management Controller (CIMC) is the best way to get the remote console access to the APIC. If the APIC doesn't come back up after a reboot or the processes are stuck, you may not be able to connect to the APIC through out of band or in band management of the APIC. At this stage, you can login to CIMC and connect to the KVM console for the APIC to perform some checks and troubleshoot the issue.
   
6. Check and Confirm the CIMC Version Compatibility
   
   Always make sure to run the Cisco recommended CIMC version compatible with the target ACI version, before you start the ACI upgrade. Refer to Recommended APIC and CIMC Version
   
7. Confirm APIC Process is not Locked
   The process called Appliance Element(AE) which runs in the APIC is responsible to trigger the upgrade in the APIC. There is a known bug in CentOS Intelligent Platform Management Interface (IPMI) which could lock the AE process in APIC. If AE process is locked, the APIC firmware upgrade will not kick in. This process queries the chassis IPMI every 10 seconds. If the AE process has not queried the chassis IPMI in the last 10 seconds, that could mean the AE process is locked.
   You can check the status of AE process to know the last IPMI query. From the APIC CLI, run the command date to check the current system time. Now run the command grep 'ipmi' /var/log/dme/log/svc_ifc_ae.bin.log | tail -5 and check the last time when the AE process has queried the IPMI. Compare the time against the system time to check if the last query was within the 10 second window of the system time.
   If the AE process has failed to query the IPMI in the last 10 seconds of the system time, you can reboot the APIC to recover the AE process before starting the upgrade.
   

   Note: Please do not reboot two or more APICs at the same time to avoid any cluster issues

8. Check and Confirm the NTP Availability
   From each APIC, ping and confirm the reachability to the NTP server to avoid known issues due to APIC time mismatch. More details on this can be found in the troubleshooting section of this article.
   
9. Check APIC Health State
   Check and confirm the health status of the APIC in the cluster before you start the upgrade. The health score of 255 means the APIC is healthy. Run the command

   acidiag avread | grep id= | cut -d ' ' -f 9,10,20,26,46 from any APIC CLI, to check the APIC health status. If the health score is not 255 for any APIC, don't start the upgrade.
   

10. Evaluate the Impact of New Version
    Before you start the upgrade, please review the Release Notes for your target ACI version and understand any behavioural changes that are applicable to your fabric configuration to avoid any unexpected results after the upgrade.
    
11. Stage the Upgrade in Lab
    
    Cisco recommends to try the upgrade in a lab or test fabric before the actual production fabric to familiarise yourself with the upgrade and behaviours in the new version. This also helps to evaluate any possible issues you could run in to after the upgrade.
    

Things to Do Before Switch Upgrade

1. Place Virtual Port Channel (vPC) and Redundant Leaf Pairs in Different Maintenance Groups
   ACI APIC has a mechanism to check and defer the upgrade of vPC pair leaf nodes from a certain version and beyond. However, it is best practice to put vPC pair switches in different maintenance groups to avoid both the vPC switches reboot at the same time.
   In case of non vPC switches which are redundant, like border leaf, make sure to put them in different port groups to avoid any outages.

Troubleshoot Upgrade Issue

Always start to troubleshoot APIC1 if the upgrade gets stuck or fails. If APIC1 upgrade is not finished yet, don't do anything in APIC2 and APIC3. The APIC upgrade process is incremental and hence APIC2 will upgrade only after APIC1 completes upgrade and notifies APIC2 about it and so on. So, violating this rule may put the cluster in to a broken state with corrupt database and you may require to re-build the cluster.

Scenario : APIC ID 2 or Above Stuck at 75%

In this scenario, you wold see that APIC1 is upgraded successfully, but APIC2 is still stuck at 75%. This problem happens if the APIC1 upgrade version information is not propagated to APIC2 or above. Please be aware, svc_ifc_appliance_director process is in charge of the version sync between APICs.

Postcheckkonto Ubs

How to Troubleshoot

Step 1: Make sure APIC1 could ping rest of the APICs with their Tunnel End Point (TEP) IP, this will determine whether we need to troubleshoot from leaf switch or continue from APIC itself. If APIC1 cannot ping APIC2, you may want to call TAC to troubleshoot the switch. If APIC1 could ping APIC2, then move to second step.

Post Check

Step 2: Since APICs can ping each other, which means APIC1 version information should have been replicated to peer, but somehow was not accepted by the peer. The version information is identified by a version timestamp. We can confirm the version timestamp of APIC1 from the CLI and APIC2 CLI which is waiting at 75%.

On APIC1

apic1# acidiag avread | grep id=1 | cut -d ' ' -f20-21
version=2.0(2f) lm(t):1(2018-07-25T18:01:04.907+11:00)

On APIC2

apic2# acidiag avread | grep id=1 | cut -d ' ' -f20-21
version=2.0(1m) lm(t):1(2018-07-25T18:20:04.907+11:00)

As you see, version timestamp of APIC2(18:20:04) which is running version 2.0(1m) in this example is higher than the version timestamp of APIC1(18:01:04) that is running version 2.0(2f). So, the APIC2 installer process thinks the APIC1 upgrade is not complete yet and waits at 75%. APIC2 upgrade will kick off when the version timestamp of APIC1 goes above the version timestamp of APIC2. However, this could be lot of waiting based on how much is the time difference. To recover the fabric from this state, you can open a TAC case to get assistance to troubleshoot and fix the issue from APIC1.