Sharing global routing table with vrf for intra-as traffic

We have a network block of 10.201.0.0/16 which is divided into two subnet 10.201.0.0/18 and 10.201.192.0/18. We are getting a internet feed for each subnet.
10.201.192.0/18 is in global routing table, and 10.201.0.0/18 is in a vrf-lite green.
I am thinking doing the following:
...........HUB
VL199/....\VL198
SPOKE1 SPOKE2
Hub and spoke are from perspective of vrf green.
For vrf green in the HUB:
ip route vrf green 10.201.0.0 255.255 255.192 vlan 199
ip route vrf green 10.201.64.0 255.255.255.192 vlan198
SPOKE1
ip route 0.0.0.0 0.0.0.0 vlan199
SPOKE2
ip route 0.0.0.0 0.0.0.0 vlan198
Suppose we already get the 2 internet feeds to HUB route with vrf green and global routing table. This should get vrf green going.
But we also have global routing table on the HUB router.
We would like to have 10.201.0.0/16 communicating with each other, and only keep internet default separated.
How should we get to 10.201.0.0/18 from global routing table and how should we get to 10.201.192.0/18 from SPOKE[12]?

In my lab, I have 2 ports configured.
int gi1/2
ip vrf forward green
ip address 10.201.192.253 255.255.255.252
int gi1/1
ip address 10.201.192.254 255.255.255.252
ip route 10.201.0.0 255.255.192.0 gi1/2
ip route vrf 10.201.192.0 255.255.192.0 gi1/1 10.201.192.254
This way, from vrf green to global has go through HUB. and vrf greens will also go through greens.
Is there any other much elegant way for this purpose?

Similar Messages

VRF Best Practice: LAN only VRF, Mgmt VRF, Global Routing table or VRF?

I am setting up a routed LAN (not a WAN) environment on two 6500 switches (sup-720). My goal is to create 32 routed environments separated by logical firewalls (multi-context ASA's). So I want a âcoreâ router in each environment, and don't want to buy 32 pairs of 6500's-sorry Cisco.
Each of these environments are tied together by a core routing environment, running on the same pair of 6500's. No WAN MPLS is going on and I am trying to use VRF for each of the routed environments core router. The management functions of the 6500 shall run off the VRF Core router and ip range (the one that ties all the other VRF's together. Here is a simple diagram:
VRF1
||
FW1
||
VRFCOR
||
FW2
||
VRF2
So to go from VRF1 to VRF2, you traverse two firewalls and VRFCOR.
Several questions related to this design:
1) Am I nuts to use VRF's in this application?
2) Is there a better choice than VRF's to do what I want?
3) Should VRFCOR be the global routing table (IOW, not a VRF)? Or should be its own VRF? Another way to ask this is: Shall a router ever run entirely in VRF tables, or should there be at least one global table in use?
4) Are there problems with any management protocols on a VRF, such as NTP, AAA, SNMP, LOGGING, TELNET? Or have all those been worked out?
5) Any other suggestions?
TIA, Will

VRF is suited for such kind of an application. Refer to URL http://cisco.com/application/pdf/en/us/guest/netsol/ns171/c649/ccmigration_09186a0080851cc6.pdf to get an idea about the

Vrf routes into global route table

Dear All
I am stuck with a design I am trying to come up with for our EDGE network and looking for ideas from the community.
It is similar to what is described here:
http://www.cisco.com/en/US/docs/solutions/Enterprise/Network_Virtualization/ServEdge.html#wp86450http://www.cisco.com/en/US/docs/solutions/Enterprise/Network_Virtualization/ServEdge.html#wp86904
In short we have a multi-context FWSM at 2 sites creating an EDGE network, each site operate independently. The sites are linked internally in a single routing domain using OSPF. Each of the outside networks are in seperate VRFs, single-tier model.
I need to find a way to:
1) link the 2 sites (currently is done with a GRE tunnel between the site vrfs, looking at replacing this with mp-bgp and l3vpn encapsulation)
2) redistribute routes from each of the vrf into the common global route table (running ospf)
1 is working nicely with mp-BGP peer between the sites and routes distributed between, however I am stuck on how to achieve 2.
The only way I can see is to change the global route table to a vrf, then use rt import/export. This is commonly described as shared services. When I did that I got stuck with how to do the BGP peering as the loopback I was using for the peering is inside the new vrf.
Basically I want dynamic routing from the global route table to learn routes from each of the sites vrf. Then if a particular site's vrf is unavailable, it can pick up the other site's route.
Am I missing something here? The document linked makes it sound incredibly easy yet I am struggling with how to implement it.
Any advice is much appreciated

Hello philip,
It is really hard to help you, if you do not provide topology where you would like to implement these changes, so just some thoughts to your points:
2) redistribute routes from each of the vrf into the common global route table (running ospf)
You can use PE - CE design. VRFs are terminated on PE with all routes you need in respective VRFs. On PE, MP-BGP routes are redistributed into respective VRF's OSPF process . PE is connected with CE via separate physical interface for each VRF or you can use one physical interface with dedicated sub-interface for each VRF. PE is peering with CE using OSPF. All routes end up in CE global routing table.
Problems with this design ->
- for each VRF you have to create separate OSPF process on PE and CE, also OSPF process ID has to be unique on PE for each VRF. Also OSPF process ID has to match to establish OSPF neighborship between PE-CE, so on CE you will have to redistribute OSPF routes from each process to your main OSPF process.
other workarounds ->
1) instead OSPF you will use as peering protocol BGP between PE-CE, but you still have to redistribute BGP routes to OSPF on CE
2) you will use different PE to redistribute each VRF -> BGP routes will be redistributed from VRF into OSPF (same process ID as your main OSPF ID). Routes will be advertised via OSPF into CE global routing table.
You will use on PE per VRF to redistribute routes into OSPF with same process ID as your main process ID. Thanks to different PEs, you can have same OSPF process ID, all these PEs will peer with same CE via OSPF.
I hope I made my thoughts understandable, cause its quite hard to explain
When I did that I got stuck with how to do the BGP peering as the loopback I was using for the peering is inside the new vrf.
This should not be a problem. You can have same IP on all VRF and also global table, so peering can still be done. After BGP routes are exchanged you can leak prefixes from one vrf to another or into global table as you need.
Best Regards
Please rate all helpful posts and close solved questions

Redundant access from MPLS VPN to global routing table

Several our customers have MPLS VPNs deployed over our infrastructure. Part of them requires access to Internet (global routing table in our case).
As I'm not aware of any methods how to dynamicaly import/export routes between VRF/Global routing tables, at the moment there are static routes configured - one inside VRF pointing to global next hop, another one in global routing table, pointing to interface inside VRF.
Task is to configure redundant access to Internet. By redundancy I mean using several exit points (primary and backup), what physically represents separate boxes.
Here comes tricky part - both global static routes (on both boxes, meaning) are valid and reachable in all cases - no matter if specific prefix is reachable in VRF or not. What I'd like to achieve is that specific static route becomes valid only if specific prefix is reachable inside VRF. Yea, sounds like dynamic routing :), I know
OK, hope U got the idea. Any solutions/recommendations ? Running all Internet routing inside VRF isn't an option, at least for now :(

Hi Andris,
I did not mean to have a VRF on the CE. The CE would have both PVCs in the global routing table - his ONLY routing table in fact. One PVC would be used to announce routes into the customer specific VPN (VRF configured on the PE). The other PVC would allow for internet access through the PE (global IP routing table on the PE).
dot1q will be ok as well.
This way the CE can be a normal BGP peer to the PE, i.e. there is no MPLS VPN involved here. This allows all options of customer-ISP connectivity.
Example:
PE config:
interface Serial0/0
encapsulation frame-relay
interface Serial0/0.1 point-to-point
description customer VPN access
ip vrf customer
ip address 10.1.1.1 255.255.255.252
interface Serial0/0.2 point-to-point
description customer Internet access
ip address 192.168.1.1 255.255.255.252
router rip
address-family ipv4 vrf customer
version 2
network 10.0.0.0
no auto-summary
redistribute bgp 65000 metric 5
router bgp 65000
neighbor 192.168.1.2 remote-as 65001
address-family ipv4 vrf customer
redistribute rip
CE config:
interface Serial0/0
encapsulation frame-relay
interface Serial0.1 point-to-point
description VPN access
ip address 10.1.1.2 255.255.255.252
interface Serial0.2 point-to-point
description Internet access
ip address 192.168.1.2 255.255.255.252
router bgp 65001
neighbor 192.168.1.1 remote-as 65000
router rip
version 2
network 10.0.0.0
no auto-summary
Of course you can replace RIP with whatever is suitable for you. And don´t sue me when you do not apply required BGP filters for internet access... ;-)
The other option ("mini internet") would be feasible as well. Just make sure your BGP filters are NEVER messed up and additionally apply a limit on the numbers of prefixes in your VRF mini-internet.
Regards
Martin

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I have a list of record available for many user at the same time for them to work on.
Every one has the tendency to chosse the first record...
I want each of the users to be able to chose a different record once the preceding record has been selected by another user.
It would have been somthing like a GLOBAL TEMPORAY TABLE but with the ability for every user to see others records
so I would do and anti-join...
Does anyon have an idea on how I could implement such a behavior?

You will not be able to use a global temporary table for such a requirement.
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Global Temp table with BLOB causing session crash

Hi,
i have a table as follows:
create global temporary table spg_file_import (
name varchar2 (128) constraint sfi_nam_ck not null,
mime_type varchar2 (128),
doc_size number,
dad_charset varchar2 (128),
last_updated date,
content_type varchar2 (128),
content long raw,
blob_content blob
on commit delete rows
this is my 9ias 'document' table thats used to receive uploaded files which i modified to be global temporary.
what i want to do is:
a)upload a text file (xml)
b) convert that file to clob
c) store that file in new permanent table as clob
d) commit (hence delete temp table rows as they are no longer necessary)
to test it i have:
CREATE OR REPLACE procedure daz_html
as
begin
htp.p(' <FORM enctype="multipart/form-data" action="daz_fu" method="POST">');
htp.p(' <p>');
htp.p(' File to upload: <INPUT type="file" name="p_file_in"><br>');
htp.p(' <p><INPUT type="submit">');
htp.p(' </form>');
htp.p('</body>');
htp.p('</html>');
end;
CREATE OR REPLACE procedure daz_fu (
p_file_in varchar2
as
-- BLOB Stream locator
v_raw blob;
v_clob clob;
v_blob_length number;
v_length number;
v_buffer varchar2(32767);
v_pos number := 1;
begin
-- Get xml document from transient 9iAs data store.
select blob_content
into v_raw
from spg_file_import
where name = p_file_in;
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dbms_lob.createtemporary(v_clob, false);
-- get BLOB length
v_blob_length := dbms_lob.getlength(v_raw);
loop
-- get length to read. this is set as a max length of 32767
v_length := least((v_blob_length - (v_pos-1)),32767);
-- assign BLOB to a varchar2 buffer in preparation to convert to CLOB
v_buffer := utl_raw.cast_to_varchar2(dbms_lob.substr(v_raw, v_length, v_pos));
-- now write out to the CLOB
dbms_lob.writeappend(v_clob, v_length, v_buffer);
-- increment our position.
v_pos := v_pos + v_length;
-- exit when we are done.
exit when v_pos >= v_blob_length;
end loop;
commit;
htp.p('commit done!');
end;
now if i upload a small text file (about 5kb) it works with no problem.
however if I upload a large text file (say about 1Mb) it crashes oracle with:
Fri, 26 Jul 2002 11:49:24 GMT
ORA-03113: end-of-file on communication channel
DAD name: spgd1
PROCEDURE : daz_fu
USER : spg
URL : http://www.bracknell.bt.co.uk/pls/spgd1/daz_fu
PARAMETERS :
============
p_file_in:
F22210/Document.txt
this produces a large trc file.. the trace file indicates the crash occured on the commit; line
Current RBA:[0x4eb0.117.10]
*** 2002-07-26 12:35:11.857
ksedmp: internal or fatal error
ORA-00600: internal error code, arguments: [kcblibr_user_found], [4294967295], [2], [12583564], [65], [], [], []
Current SQL statement for this session:
declare
rc__ number;
begin
owa.init_cgi_env(:n__,:nm__,:v__);
htp.HTBUF_LEN := 255;
null;
daz_fu(p_ref_in=>:p_ref_in,p_type_in=>:p_type_in,p_file_in=>:p_file_in);
if (wpg_docload.is_file_download) then
rc__ := 1;
wpg_docload.get_download_file(:doc_info);
null;
commit;
else
rc__ := 0; null;
commit;
owa.get_page(:data__,:ndata__);
end if;
:rc__ := rc__;
end;
----- PL/SQL Call Stack -----
object line object
handle number name
812b1998 42 procedure SPG.DAZ_FU
819dff90 7 anonymous block
----- Call Stack Trace -----
If i reaplce the temporary table with a non-temp table of the same structure i get no problems what-so-ever. Am I doing something that I shouldnt be with global temporary tables?
Thanks.

This is on Oracle 8.1.7.2

How to build a table with two For Loop

Hi,
I have two Loop For and I want to build a table with N columm (N = a loop + b loop)
You can see my example.
Thank's a lot
Attachments:
help_table.zip ‏10 KB

I think this is the solution that you are going for.
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Attachments:
help_table.vi ‏26 KB

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Scenario :
I need to create a table for generating a report in a oracle 10g database. Data population in the table depends on the parameter passed from front end.
I have created global temporay table to achieve this. But use of same table by another user is not possible.
I have created the global temporary table as follows:
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You have not posted much details.
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Amardeep Sidhu
http://amardeepsidhu.com/blog
http://oracleadmins.wordpress.com

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Hi Friends,
We are trying to find the required EBS Tables for the below tables of HR module report. Please find the tables in OBI query.
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T66755.PER_NAME_MONTH as c7
from
W_DAY_D T66755 /* Dim_W_DAY_D_Common */ ,
W_GL_ACCOUNT_D T91397 /* Dim_W_GL_ACCOUNT_D */ ,
W_GL_OTHER_F T91707 /* Fact_W_GL_OTHER_F */ ,
W_STATUS_D T96094 /* Dim_W_STATUS_D_Generic */ ,
W_MCAL_DAY_D T300914 /* Dim_W_MCAL_DAY_D_Ent */
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sum(T299423.HEADCOUNT) as c2,
T100027.PER_NAME_MONTH as c3
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W_WRKFC_BAL_A T299423 /* Fact_Agg_W_WRKFC_BAL_A */
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group by T100027.PER_NAME_MONT
Of course, if we can go through back track like:
OBI <-- Infa PLP <-- Infa SILOS <-- Infa SDE <-- SDE Mappletes <-- Source Qualifier <-- Sql Query.
We are getting no.of tables for single obi table. But, we need only required tables for the above OBI queries for single report.
Please correct me if wrong and guide me with better approach..
Thanks in advance.. Appreciate ur inputs here.
Best Regards,
Raghu Nagadasari
Edited by: Raghava Nagadasari on May 1, 2013 5:30 AM
Edited by: Raghava Nagadasari on May 1, 2013 5:31 AM

I would say it is part of unit testing; writing ebs query, get results and compare with BI results and some times compare bi query to match some part of criteria.
I would say just understand the requirements and try to write it, it might take some time but it helps a lot.
Lineage docs might help some extend to know the source tables, check here
http://www.cool-bi.com/Ref/Ref.php
Edited by: Srini VEERAVALLI on May 1, 2013 9:44 AM

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I created a simple test case below using DBMS_XMLGEN.getXML. The first row (A1) has no null values and thus tags for columns A, BEE and CEE are produced. The second row (A2) has null in column BEE and thus tags for only columns A and CEE are produced.
Is there a way to force a tag for null column BEE in the second row?
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<ROWSET>
<ROW>
<A>A1</A>
<BEE>1</BEE>
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<ROW>
<A>A2</A>
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</ROW>
</ROWSET>

What's the database version? (SELECT * FROM v$version)
Could you use this instead :
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2           xmlelement("ROWSET",
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5                 xmlelement("A", a)
6               , xmlelement("BEE", bee)
7               , xmlelement("CEE", cee)
8               )
9             )
10           )
11         -- for display purpose only :
12         as clob indent
13         )
14 from foo
15 ;
XMLSERIALIZE(DOCUMENTXMLELEMEN
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<ROW>
    <A>A1</A>
    <BEE>1</BEE>
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</ROW>
<ROW>
    <A>A2</A>
    <BEE/>
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</ROW>
</ROWSET>
Or,
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3             '(#ora:view_on_null empty #)
4             {
5               <ROWSET>{fn:collection("oradb:/DEV/FOO")}</ROWSET>
6             }'
7             returning content
8           )
9           as clob indent
10         )
11 from dual;
XMLSERIALIZE(DOCUMENTXMLQUERY(
<ROWSET>
<ROW>
    <A>A1</A>
    <BEE>1</BEE>
    <CEE>2012-09-27</CEE>
</ROW>
<ROW>
    <A>A2</A>
    <BEE/>
    <CEE>2012-09-27</CEE>
</ROW>
</ROWSET>
(where "DEV" is my test schema)
If you want to stick with DBMS_XMLGEN, you're gonna have to use PL/SQL and setNullHandling procedure.
Edited by: odie_63 on 27 sept. 2012 17:14

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JJ

Try TOA01 <a href="http://help.sap.com/erp2005_ehp_02/helpdata/en/d7/e21dde408e11d1896b0000e8322d00/content.htm">More details!</a>

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Hello,
i have a Oracle-DB 11.2 and want to use Advanced Compression.
I want to create a table:
CREATE TABLE TD_GE_1990
( "name_id" NUMBER(1,0),
"name_txt" VARCHAR2(100 BYTE)
) COMPRESS FOR OLTP;
But i get:
SQL-Fehler: ORA-14464: Kompressionstyp nicht angegeben
The "compatible"-Parameter is set to 11.1:
SELECT value
FROM gv$parameter
WHERE name LIKE '%compatible%';
11.1.0.0.0
Do i have to change something in the database?
Best regards
Heidi

14464, 00000, "Compression Type not specified"
// *Cause: Compression Type was not specified in the Compression Clause.
// *Action: specify Compression Type in the Compression Clause.

Table with Values for Displaying Icons in a Report

I have found a report that displays red, green and yellow lights to help users to quickly review the results.
Code has statements such as WRITE: AT /1 '@5B@' AS ICON. "(GREEN LIGHT)
WRITE: AT /1 '@5C@' AS ICON. "red light
I would like to know where I can go in SAP to see what other ICONS can be displayed and what the code would be.
For example - I found the writing WRITE: AT /1 '@5D@' AS ICON - and using @5D@ you get a yellow warning.
Thanks!
Scott

Rob,
Code value will not be available in table ICON.
its available in Type group ICON
ie SE11--> select Type Group > ICON> display
Here is sample
CON_2 ICON_DUMMY                     '@00@'." PlaceholderIcon
ICON_2 ICON_CHECKED                   '@01@'." Checked; OK
ICON_2 ICON_INCOMPLETE                '@02@'." Incomplete
ICON_2 ICON_FAILURE                   '@03@'." Failed
ICON_2 ICON_POSITIVE                  '@04@'." Positive
a®

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Hi all,
I try to use a created table in sapdb in my webdynpro, but when I run my application I the following error: contains the semantics error[s]: table "BE_DEPARTMENT" unknown. When I create the table by using NWDS then I the error is solved.
In sqlstudio I used CREATE TABLE. What must I do after this statement so that I can use the created table in my NWDS
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Regards,
Richard

Please have a look at these
/people/kathirvel.balakrishnan2/blog/2005/04/16/how-to-manipulate-a-maxdb-database-using-jdbc--part-1
/people/kathirvel.balakrishnan2/blog/2005/04/22/how-to-manipulate-a-maxdb-database-using-jdbc--part-2
https://pwdf1209.dmzwdf.sap.corp/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/documents/a1-8-4/how to create tables in maxdb using sql studio.pdf
Cheers
Kathir

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Hi all,
I would like to do some route leaking from VRF to Global and Global to VRF on the same router. Here is an output of the config:
interface FastEthernet4
description ***Connection to WAN***
ip vrf forwarding FVRF
ip address 10.0.0.6 255.255.255.0
interface Vlan100
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ip address 192.168.227.1 255.255.255.0
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% For VPN or topology routes, must specify a next hop IP address if not a point-to-point interface
OR
DK-SLVPN(config)#ip route vrf FVRF 192.168.227.0 255.255.255.0 vlan 100 192.168.227.1 global
%Invalid next hop address (it's this router)
Any ideas are really welcome.
Best regards,
Laurent

Hi,
I have tried the following solution:
Add 10.0.0.0 /24 From VRFto Global:
ip route 10.0.0.0 255.255.255.0 FastEthernet4
Add 192.168.227.0 /24 from Global to VRF:
router bgp 64512
bgp log-neighbor-changes
address-family ipv4
no synchronization
redistribute connected
no auto-summary
exit-address-family
ip prefix-list Global-VRF seq 5 permit 192.168.227.0/24
route-map Global permit 10
match ip address prefix-list Global-VRF
ip vrf FVRF
rd 1:1
import ipv4 unicast map Global
So now the VRF table looks like that:
#      sh ip route vrf FVRF
C        10.0.0.0/24 is directly connected, FastEthernet4
S        10.0.0.1/32 [254/0] via 10.0.0.1, FastEthernet4
L        10.0.0.6/32 is directly connected, FastEthernet4
B     192.168.227.0/24 is directly connected, 00:15:12, Vlan100
The Global table looks like this:
#sh ip route
Gateway of last resort is 10.1.0.107 to network 0.0.0.0
D*    0.0.0.0/0 [90/1709056] via 10.1.0.107, 3d02h, Tunnel1
       10.0.0.0/8 is variably subnetted, 8 subnets, 2 masks
S        10.0.0.0/24 is directly connected, FastEthernet4
C        10.1.0.0/24 is directly connected, Tunnel1
L        10.1.0.227/32 is directly connected, Tunnel1
C        10.2.0.0/24 is directly connected, Tunnel2
L        10.2.0.227/32 is directly connected, Tunnel2
C        10.10.10.227/32 is directly connected, Loopback100
       192.168.227.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.227.0/24 is directly connected, Vlan100
L        192.168.227.1/32 is directly connected, Vlan100
But When I try to ping it still doesn´t work:
#ping vrf FVRF 192.168.227.1 source fastEthernet 4
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.227.1, timeout is 2 seconds:
Packet sent with a source address of 10.0.0.6
Success rate is 0 percent (0/5)
#ping 10.0.0.1 source vlan 100
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.0.1, timeout is 2 seconds:
Packet sent with a source address of 192.168.227.1
Success rate is 0 percent (0/5)
Any ideas?
Regards,
Laurent

Sharing global routing table with vrf for intra-as traffic

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