MPLS TE - Link and Node Protection

Hi Guys,
Just revisiting an old topic again - MPLS-TE Link and Node Protection.
Is it enough that the backup path (facility backup as supported by IOS) just merge on any LSR of the protected LSP? It does seem to be that way. For example, consider the following topology -
R1-------R2-------R3------R4------R6
|_____R5____|
The Primary LSP is setup with explicit path R1-R2-R3-R4-R6 and requesting Link-Protection.
R2 protects the link R2-R3 with a backup LSP which has an explicit path R2-R5-R4. The backup LSP merges on the Primary LSP but R4 is not the next-hop to R2 protecting the primary LSP.
This works in my testing but my understanding was that for-
Link Protection - the backup LSP must be terminated on the LSR which is next-hop to the LSR protecting the primary LSP
Node Protection - the backup LSP must be terminated on the LSR which is next-next-hop to the LSR protecting the primary LSP
Your thoughts?
Regards,
Amit.

NHOP Versus NNHOP Backup TunnelsMore than one backup tunnel can protect a given LSP, where one backup tunnel terminates at the LSP
’sNNHOP, and the other terminates at the LSP
’s NHOP. In this case, the router chooses the backup tunnel thatterminates at the NNHOP (that is, FRR prefers NNHOP over NHOP backup tunnels)

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Hi Sorry to be a pain again,
I have re worked the gui class so it looks like this now:
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treeText.addObject(msgInfo);
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cannot resolve symbol
symbol : method addObject (java.lang.String)
location: class javax.swing.JTextArea
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Date: Wed, 4 Nov 2009 14:48:45 -0700
From: [email protected]
To: [email protected]
Subject: Pdf's Links and Bookmarks
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Hi pleandro,
Can you provide a bit more information please so I can better assist?
What version of BlackBerry Link do you have installed and what version of Windows OS do you have?
Are you connecting via usb or Wi-Fi?
Have you tried using different usb cables and usb ports?
Are you signed into BlackBerry Link with the same BlackBerry ID you are using on your BlackBerry Z10 smartphone?
I look forward to your response.
-FS
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[svn] 4235: Fix for - Links and type information missing for air.update. event events in @event listings

Revision: 4235
Author: [email protected]
Date: 2008-12-04 13:02:39 -0800 (Thu, 04 Dec 2008)
Log Message:
Fix for - Links and type information missing for air.update.event events in @event listings
Also adding support for multiple @event for a method.
QE Notes: None
Doc Notes: None
Bugs: SDK-18319
tests: checkintests
Ticket Links:
http://bugs.adobe.com/jira/browse/SDK-18319
Modified Paths:
flex/sdk/trunk/modules/compiler/src/java/flex2/compiler/asdoc/AsDocUtil.java
flex/sdk/trunk/modules/compiler/src/java/flex2/compiler/asdoc/ClassTable.java
flex/sdk/trunk/modules/compiler/src/java/flex2/compiler/asdoc/DocComment.java
flex/sdk/trunk/modules/compiler/src/java/flex2/compiler/asdoc/TopLevelClassesGenerator.ja va

Hi All,
I have sorted out the problem and this is fixed now.
Regards,
Ajay Kunde

Eigrp - How to modify Admin distance for redistributing connected links and over WAN

We have a single EIGRP domain 101 across 2 locations (A and B) separated by a WAN link. Each location has a number of L3 switches at the IDF behind the router which has the L3 vlans VL1, VL2 etc. We run eigrp 101 across all the switches and on the routers but we dont advertise any of the L3 vlans on them and we do redistribute static and connected for the static and the vlans to be distributed on eigrp.
Qn
1. How do i reduce the admin distance of the directly connected vlan on IDF on our core switch. ie. Vl1 and Vl2 that are distributed via connected has a admin distance of 170 locally as the other switches sees that as External without having to advertise the networks individually on each switch.
2. Is that possible to increase the admin distance over the WAN link without having to create a 2nd eigrp domain. ie.. Add a admin distance of say 50 over the WAN link and that way devices on both sides do see that there is a 130 distance for the remote side and 90 for local for admin distance.
Why?
I am trying to separate two locations and i don't think we will be able to create an additional domain and i am trying to see alternate methods of achieving this.
Additional info-
The design i mentioned has 2 locations with a WAN connection and i have mixed (90/170) distance based on where the routes are coming(eigrp/connected/static) from eventhough everything is within the same network. We only have 1 Eigrp network 101 and was looking to alter the AD for just connected if at all possible.
Assuming i put in all the routes into the network how can i make site 2 see the site 1 network with a larger admin distance and 1 to 2 with a larger admin distance while not altering the admin distance within the local site.
Underlying reason: We are getting a MPLS link(lower bandwidth) connecting to site 3,4 and 5 at both sites and wanted to clear the internal routing first before i can add them or redistribute them into bgp.

If these two sites are connected via a P2P link and you are exchanging EIGRP routes across it then you need to be aware of what you redistribute into BGP because each site will know about it's own subnets but also the other sites subnets.
If you just redistribute all EIGRP at both sites then it's a lottery as to which MPLS connection the non EIGRP sites use.
So you either need to -
1) when you redistribute EIGRP at each site into BGP use a route map and only allow the local networks for that site
or
2) if you want each of the EIGRP sites to back each other's MPLS connection up you could have them both advertise out all networks ie. their own and the other EIGRP site's networks but modify the BGP attributes of the non local networks so they are least preferred.
You still want to use a route map to ensure only the local and other EIGRP sites network are redistributed because remember you are also receiving BGP routes from the non EIGRP sites and redistributing these into EIGRP at each site and these are exchanged via the P2P link as well.
It realty depends on what you are trying to do.
The actual basic redistribution is very straightforward, see this link -
http://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/113506-failover-eigrp-bgp-00.html
but you need to decide what you are going to do in terms of EIGRP to BGP advertisements as covered above.
I'm not trying to make things complicated for you but because you have a P2P link connecting these sites and you are running EIGRP over it then any routes received via BGP will be redistributed into EIGRP and you need to make sure they are then not redistributed back into BGP on the other site router.
Jon

How do find Process name and Node name in a workflow ?

Hi,
For logging exceptions, how do I elegantly find the
process name and node name in a workflow.
Thanks
-Anil

The service location of the process is available on the interface returned
by
context.getService() in the process. That contains the full process path
(including process project name).
On the node, I don't know...
Robert
"Anil Varma" <[email protected]> wrote in message
news:31361182.1091122588490.JavaMail.root@jserv5...
Hi,
For logging exceptions, how do I elegantly find the
process name and node name in a workflow.
Thanks
-Anil

FRR NNHOP node protection with multiple protected nodes?

Hello
Is it possible to deploy a Fast Reroute (FRR) backup tunnel terminating in a node several next-hops downstream instead of just one?
All the examples i found in the documentation about FRR Node Protection, -or NNHOP-, always illustrates one protected node only. My question is if I can terminate the backup tunnel far beyond with the aim to include a chain of several protected nodes in between, not just one.
Thanks in advance

Hi Albert,
Are you looking for something similar to path protection?
http://www.cisco.com/en/US/docs/ios/mpls/configuration/guide/mp_te_path_prot.html
regards
Ashish

MPLS TE Bandwidth and Priority

Hi everybody
Hopefully, everyone is doing great. I stumbled upon the following link on MPLS TE bandwidth and priority:
http://blog.ipexpert.com/2009/05/27/mpls-te-bandwidth-and-priority/
it was a very good read. But I am left with one question. How does R2 decide which tunnel to drop? In the example, R2 drops tunnel 1, but how does R2 decide which one to drop?
Thanks and have a great sunday

Hi Thanveer
I hope you are doing fine. Here is what i found in a book ( traffic engineering with MPLS by Eric, Ajay, great book, still reading it)
There are two priorities:
1) set up priority
2) hold prioritity
Based on the book the code works this way
Imagine we have two tunnels already established and are passing through R3
t1, set up priority 6 hold priority 5
t2 set up priority 6 hold priority 4
Let say R3 just receives a RSVP path request for a new tunnel, lets call it tunnel 3 with set up priority 4 hold priority 6. This tunnel requires a bandwidth which R3 can not accommodate without dropping one of the established tunnels.
Router will take t3's set up priority ( 4) and compares it against the current established tunnel's hold priorities where lower the number means higher the priority. In our example, set up priority of tunnel 3 is 4 and R3 compares it against both hold priorities of established tunnels. R3 then concludes it has to drop t1 to accommodate t3 ( set up priority of tunnel3 is higher than the hold priority of tunnel1)
++++++++++++++++++++++++++++++++++++++++++++++++++++++
what is not cleared is how will router 3 behave if all the established tunnels have same hold priority i.e 4 and a request for a new tunnel i.e t3 comes with the set up priority of 4?
Not sure if R3 just randomly picks any established tunnel and drops it or there is some move involved process that R3 goes through to decide which tunnel gets dropped.
Lets hope somebody way smarter than me might chime in :)
Have a great weekend

Linked List - nodes

Hi,
In a lecture a couple of weeks ago, we began the topic of reference-based lists. I copied the attached
code off the board. I'm now trying to utilize the code by creating a public class Node. However, the constructors don't seem to make much sense. I was too busy writing down the information to pay much attention at the time. My book doesn't seem to address this...
1) in the first constructor: item = null; I'm declaring item initially as an integer, but the constructor is trying to attach a null to item. I think the intent is to create a node that initially has both info and link as nulls.
2) in the third constructor: link = Node; Is this possible? I'm not what this will do.
And finally, the second and third constructors are using the same name and parameter, so there is a conflict. I don't know how to resolve this.
Thanks in advance for any help...
aiki
public class Node {
          public int info;
          public Node link;
          public Node(){
               info = null;
               link = null;
          public Node (int data){
               info = data;
               link = null;
          public Node (int data){
               info = data;
               link = Node;

public class Node {
    public int info;
    public Node link;
    public Node(){
        // default constructor does nothing.
        // Therefore info and link will get default values.
        // For Objects this will be null
    public Node (int data){
        info = data;
        // don't initialise link. See above
    public Node (int data, Node node){
        // I think you missed the second parameter
        info = data;
        link = node;
}

How to update link and import data of relocated incx file into inca file?

Subject : how to update link and import data of relocated incx file into inca file.? The incx file was originally part of the inca file and it has been relocated. ------------------- Hello All, I am working on InDesignCS2 and InCopyCS2. From indesign I am creating an assignment file as well as incopy files.(.inca and .incx file created through exporing). Now indesign hardcodes the path of the incx files in inca file.So if I put the incx files in different folder then after opening the inca file in InCopy , I am getting the alert stating that " The document doesn't consists of any incopy story" and all the linked story will flag a red question mark icon. So I tried to recreate and update the links. Below is my code for that //code start***************************** //creating kDataLinkHelperBoss InterfacePtr<IDataLinkHelper> dataLinkHelper(static_cast<IDataLinkHelper*> (CreateObject2<IDataLinkHelper>(kDataLinkHelperBoss))); /** The newFileToBeLinkedPath is the path of the incx file which is relocated. And it was previously part of the inca file. eg. earlier it was c:\\test.incx now it is d:\\test.incx */ IDFile newIDFileToBeLinked(newFileToBeLinkedPath); //create the datelink IDataLink * dlk = dataLinkHelper->CreateDataLink(newIDFileToBeLinked); NameInfo name; PMString type; uint32 fileType; dlk->GetNameInfo(&name,&type,&fileType); //relink the story InterfacePtr<ICommand> relinkCmd(CmdUtils::CreateCommand(kRestoreLinkCmdBoss)); InterfacePtr<IRestoreLinkCmdData> relinkCmdData(relinkCmd, IID_IRESTORELINKCMDDATA); relinkCmdData->Set(database, dataLinkUID, &name, &type, fileType, IDataLink::kLinkNormal); ErrorCode err = CmdUtils::ProcessCommand(relinkCmd); //Update the link now InterfacePtr<IUpdateLink> updateLink(dataLinkHelper, UseDefaultIID()); UID newLinkUID; err = updateLink->DoUpdateLink(dl, &newLinkUID, kFullUI); //code end********************* I am able to create the proper link.But the data which is there in the incx file is not getting imported in the linked story.But if I modify the newlinked story from the inca file,the incx file will be getting update.(all its previous content will be deleted.) I tried using Utils<IInCopyWorkflow>()->ImportStory() ,But its import the incx file in xml format. What is the solution of this then? Kindly help me as I am terribly stuck since last few days. Thanks and Regards, Yopangjo

>
I can say that anybody with
no experience could easily do an export/import in
MSSQLServer 2000.
Anybody with no experience should not mess up my Oracle Databases !

Getting links and its names from a html file

Hi everyone
My problem about the a getting links with name from a html file. For example
İn a web page in this site ?SUN? when use click SUN the browser open http://java.sun.com
İ want both of them, so the links and name. I can succeeded the get link but i don t know how to get the link name.
For example :
setRightComponent(Component)
İn this code segment i want to get B tag. But how i don t know. To get A tag i used this code
List result = new ArrayList();
try {
// Create a reader on the HTML content
URL url = new URI(uriStr).toURL();
URLConnection conn = url.openConnection();
Reader rd = new InputStreamReader(conn.getInputStream());
// Parse the HTML
EditorKit kit = new HTMLEditorKit();
HTMLDocument doc = (HTMLDocument)kit.createDefaultDocument();
kit.read(rd, doc, 0);
// Find all the A elements in the HTML document
HTMLDocument.Iterator it = doc.getIterator(HTML.Tag.A);
while (it.isValid()) {
SimpleAttributeSet s = (SimpleAttributeSet)it.getAttributes();
String link = (String)s.getAttribute(HTML.Attribute.HREF);
if (link != null) {
result.add(link);
it.next();
İ can use B tag but i don t know hot to get its value because it has no prefix such as HREF....
i am sorry if i use a bad explanation style or incorrect word.

import java.io.*;
import java.net.*;
import javax.swing.text.*;
import javax.swing.text.html.*;
class GetLinks
 public static void main(String[] args)
 throws Exception
 // Create a reader on the HTML content
 Reader reader = getReader( args[0] );
 // Parse the HTML
 EditorKit kit = new HTMLEditorKit();
 HTMLDocument doc = (HTMLDocument)kit.createDefaultDocument();
 doc.putProperty("IgnoreCharsetDirective", Boolean.TRUE);
 kit.read(reader, doc, 0);
 // Find all the A elements in the HTML document
 HTMLDocument.Iterator it = doc.getIterator(HTML.Tag.A);
 while (it.isValid())
 SimpleAttributeSet s = (SimpleAttributeSet)it.getAttributes();
 String href = (String)s.getAttribute(HTML.Attribute.HREF);
 int start = it.getStartOffset();
 int end = it.getEndOffset();
 String text = doc.getText(start, end - start);
 System.out.println( href + " : " + text );
 it.next();
 // If 'uri' begins with "http:" treat as a URL,
 // otherwise, treat as a local file.
 static Reader getReader(String uri)
 throws IOException
 // Retrieve from Internet.
 if (uri.startsWith("http:"))
 URLConnection conn = new URL(uri).openConnection();
 return new InputStreamReader(conn.getInputStream());
 // Retrieve from file.
 else
 return new FileReader(uri);
}

MPLS TE - Link and Node Protection

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