View vpnv4 prefix and ip prefix

Hi there,
Normally, we use the command such as "sh ip bgp vpnv4 all" "sh ip route vrf" and etc to determine the prefix path.May I know what command in cisco devices that actually reflect vpnv4 prefix and IP prefix? Sound like a stupid question but I just want to confirm.
Thanks in advance.
maher

You are right about the command
show ip bgp vpnv4 ip-prefix
For more information on how the Routes are distinguished and the use of BGP extended communities (route targets)
Check the below URL (scroll down to the image 7-4 VPN-IP Address Format for a graphic explanation)
http://www.cisco.com/en/US/products/sw/ps2346/ps99/products_configuration_guide_chapter09186a00800ee111.html
an example
Router# show ip bgp vpnv4 all 10.22.22.0
BGP routing table entry for 10:1:22.22.22.0/24, version 19
Paths:(5 available, best #5)
Multipath:eiBGP
Advertised to non peer-group peers:
10.0.0.2 10.0.0.3 10.0.0.4 10.0.0.5
22
10.0.0.2 (metric 20) from 10.0.0.4 (10.0.0.4)
Origin IGP, metric 0, localpref 100, valid, internal, multipath
Extended Community:0x0:0:0 RT:100:1 0x0:0:0
Originator:10.0.0.2, Cluster list:10.0.0.4

Similar Messages

Configure : add prefix and remove prefix

Hello.
I have 4 pods in our voip netowrk.
Each pod have owner PBX system.
But they have complex dial plan.
So I have to configure as simple as possible.
Thus, I have good idea to resolve.
In my opinion, I'm gonna give prefix number both of them. Pod-A is 1, Pod-B is 2, Pod-C is 3, Pod-D is 4.
for example, I'll add prefix 1 all phone number entering from pod-A's pbx to gateway in pod-A on pots dial-peer.
When the call flow pod-B, I'll strip the prefix 1 from gateway in pod-B to pod-B's PBX on pots dial-peer.
Is it possible?
Actually, I had a test, but i couldn't success it....
may be...wromg configuration...
Could you please advice to me to reslove? and any other good idea?
Regard,
John.

Hi John,
It is important to note that the DNIS you receive from the PBX really should have the pod code prefixed before the gateway receives it. It is important because you have complex dial plans and you will be very limited by the number of translations you can perform on each trunk.
This is a very simple example, but it should give you some idea of how this will work.
Dial-peer 10 is the inbound pots dial-peer on the source gateway. Dial-peer 20 is outbound to the POD A gateway.
Dial-peer 30 is the inbound voip dial-peer on the POD A gateway. Dial-peer 40 is the outboud pots dial-peer on the POD A gateway. You will replace ....... with the correct number of digits or the T parameter if the digit strings are variable.
direct-inward-dial may be required on pots peers if the interface supports DID.
On source gateway:
dial-peer voice 10 pots
port x/x
dial-peer voice 20 voip
destination-pattern 1.......
session target ipv4:
dtmf-relay h245-alpha
codec g711ulaw
no vad
On Pod A gateway:
dial-peer voice 30 voip
incoming called 1.......
codec g711ulaw
no vad
dial-peer voice 40 pots
destionation-pattern 1.......
port x/x:x
Again, if you must prefix/translate in the gateway then you'll be limited by the number of translations (15) you can configure per trunk.
Here's some examples of how to prefix the DNIS. I'm assuming PodA numbers begin with 555321, PodB 666321, and PodC 777321. Of course this will depend on your dial plan.
voice translation-rule 1
rule 1 /\(555321\)\(.*\)/ /1\1\2/
voice translation-rule 2
rule 1 /\(666321\)\(.*\)/ /2\1\2/
voice translation-rule 3
rule 1 /\(777321\)\(.*\)/ /3\1\2/
voice translation-profile podA
translate called 1
voice translation-profile podB
translate called 2
voice translation-profile podC
translate called 3
dial-peer voice 10 pots
translation-profile incoming podA
port A/A
dial-peer voice 11 pots
translation-profile incoming podB
port B/B
dial-peer voice 10 pots
translation-profile incoming podC
port C/C
Michael
Let me know if this helps by rating the post.

BGP withdrawal convergence and shorter prefix

An AS owns a /20. He advertises the /20 in BGP to ispA and ispB through policies of his own decision (but he definitely advertises the prefix, and the prefix is propagated). Within the /20 is a /24, which at times he wishes to advertise via ispC. ispC propagates said route upstream and traffic traverses ispC by virtue of longest prefix. No problem.
Because the AS is just using prefix-lists and not route-maps, when he wants to move the /24 off of ispC and move it back into the regular /20 announcement, the /24 experiences downtime of up to 3 minutes because using a prefix-list means that this is actually a BGP withdrawal, which take longer to converge.
What I don't get is, given the /20 is still propagated in the internet (routers still have it in their RIB, but install the /24 in the FIB as the preferred route), why should there be downtime.
Let's say we have CarrierA -> CarrierB (carrierB is closer to ispC, and could theoretically be ispC). CarrierA hasn't received the update, so has the /24 and the /20 in his RIB, and the /24 in his FIB. Thus he sends traffic to CarrierB. CarrierB has received the update, so has the /20 only in his RIB and FIB. So should direct the traffic toward ispA and ispB.
What am I missing here?

Hi,
ad
"What I don't get is, given the /20 is still propagated in the internet (routers still have it in their RIB, but install the /24 in the FIB as the preferred route), why should there be downtime.")
I can imagine following scenario:
Let's say ispC is not peering directly to ispA nor ispB but there is ispD (or multiple other ISPs on the path) between them.
So ispC has got the /20 prefix received from ispD in his RIB.
So at the time you sent your /24 withdrawal to ispC, it removes the /24 fro his RIB.
And let's say this withdrawal was not delivered to ispD yet.
So what happeans at that moment when ispD receives a packet with a destination address within the /24 from the Internet?
ispD still has got the /24 prefix in his RIB pointing to ispC. So it forwards the packet to ispC.
But ispC has only /20 in his RIB pointing back to ispD!
So there is a routing loop existing until BGP gets converged by the /24 withdrawal delivery to ispD.
This was just a very simple example.
But showing your /24 might be not reachable from some parts on the Internet until the BGP is converged.
Best regards,
Milan

Is there any ways to make Mail app show prefix and suffix in the address field?

I apologize for any inconvenience that my poor English may cause.
I would like to ask if there is a way to make Maill app show prefix and suffix in the address field.
This is, in my culture, very important, especially for formal situations. When I call someone such as professors, bosses, I should put prefix after their names to show my respect. In Microsoft Outlook, there is a field called 'Display as'.
http://www.slipstick.com/outlook/contacts/contact-address-book-options-settings/
Therefore, I can choose how the name will be shown in my messages. For example, Prof. Kim instead of Kim. However, as far as I know, there isn't such options in Mail app. Is there any way that I can modify the way of displaying names in the address field in Mail app?

As far as I can determine, that is only how you see the email address, not how it is sent.
You can set up Prefixes and Suffixes in Contacts using the Add Field submenu of the Card menu:
If you use the Edit Template... command, you can choose to always have the Prefix and Suffix show on new cards.
However, I don't think Mail uses anything but First, Last for addressing emails.
You can override the behavior by manually with:
Prefix First Last Suffix <[email protected]>

Purpose of Prefix and Suffix in Logical Data Member?

Hi,
What is the purpose of the prefix and suffix fieldin a logical member?
For instance, I have the word "Off" entered in the On field and the word "On" entered in the Off field.
The "Invert Logical Signal" is unchecked. So is this the same as having the "Invert Logical Signal" checked if you enter the words Off and On as above?
Thx.

Hi Zog626;
The prefix and suffix tags perform NO functions on the data member. You could put in the words, "Yippy" and "Skippy" and nothing will happen.
Personally I use them to help remind me what the engineering units is for that particular vartiable. For example, I will put in GPM if it is Gallons Per Minute,
or °F if it is a farenheit temperature.

Why Street prefix and suffix are not provided in ship to address?

Hi Experts,
Anyone have any idea why SAP provided Street prefix and Suffix fields in "BBPADDRINTC (Edit Internal Address)" screen but not in Ship to address screen of shopping cart.
Is there any OSS note which can include these fields into ship to address screen. Please advise.
Regards,
Kamal

Hello Kamal,
Even though the fields Street Prefix / Sufix are available in the address maintenance screen (BBPADDRINTC), they are not available in the procurement documents, like Purchase Orders or Shopping Carts.
The fields STR_SUPPL1 (prefix) and STR_SUPPL3 (suffix) are not implemented in such screens.
According SAP developers, it is not possible to provide a note to change this behavior at this time, since it is part of the design and, making a change, would require changing all other documents and versions.
Kind regards,
Ricardo

Column prefix and automatic generation of surrogate key

Hello,
I used Oracle Designer and could always generate columns with prefixes and got surragate keys as Primary key. Now I cannot find these properties in data modeler.
Thank you for your help
Siegwin

Hello Siegwin,
Abbreviation (Abkurzung) is on the General (Allgemein) tab in the Properties Dialog for a Table in the Relational Model.
There are 2 alternative ways to run the Transformation script:
1. Right_click on the Relational Model in the Browser, and select Apply Custom Transformation Scripts (Benutzerdefinierte Transformationsskripte anwenden) from the drop-down menu.
    Use the right arrow to move "Table abbreviation to column" from the left column into the right column.
    Select the Apply (Anwenden) button.
Alternatively
2. From the Tools (Extras) menu select Design Rules/Transformations (Entwurfsregeln/Transformationen).
    Select the fourth entry ("Table abbreviation to column") and click the Apply (Anwenden) button.
    Then click the Close (Schliessen) button.
Note that you can run Data Modeler in English if you wish.
First close Data Modeler and then edit the file datamodeler.conf (if you are using Data Modeler in 32 bit mode) or datamodeler64.conf (if you are using Data Modeler in 64 bit mode).
These files are in folder datamodeler\datamodeler\bin.
To run Data Modeler in English, you should add the following lines to the file:
AddVMOption -Duser.country=US
AddVMOption -Duser.language=en
Regards,
David

Airport ExtremeN 7.6, and IPv6 prefixes

Does anyone know enough about Airport Extreme-N IPv6
to tell me how IPv6 routers are supposed to advertise prefixes,
and then how the Airport and MacOSX machines actually negotiate it?
I have an Airport Extreme-N with firmware 7.6
I set up my Airport Extreme-N for IPv6 Mode: "Tunnel",
and I have configured it manually, with something like:
WAN IPv6 Address: 2001:a123:b2a2:b2e2::2
IPv6 Default Route: 2001:a123:b2a2:b2e2::1
LAN IPv6 Address: 2001:a123:b2a3:b2e2::
My Mac machines are set for IPv6 "Automatically"
and I can see from 'netstat -rn' that they have assigned themselves:
(link-local) fe80::d1e1:a1ff:fed1:b1e1 (using its ethernet EUI)
(global) 2001:a123:b2a3:b2e2:d1e1:a1ff:fed1:b1e1
using the prefix 2001:a123:b2a3:b2e2:, and their ethernet EUI for the last 64.
This seems to make sense to me.
Though in System Preferences/Network/TCPIP, they list router as something like:
fe80:0000:0000:0000:c1a1:f1ff:fee1:c1a1
which is the link-local address for the router.
IPv6 works fine - I can browse to ipv6.google.com
and ping6 to 2001:4860:800f::68
Now, my other BSD machines on my network are not autoconfiguring properly.
I have them configured to use 'rtsol' in /etc/hostname.if
They get the router address as:
fe80:0000:0000:0000:c1a1:c1ff:fea1:f1e1
but they do NOT assign themselves a global IPv6 address with the prefix
2001:a123:b2a3:b2e2
Instead, they ONLY have their own link-local address.
When I run rtsold from my BSD machines I get:
rtsold: probing re0
checking if re0 is ready...
re0 is ready
set timer for re0 to 0:386681
New timer is 0:00386481
timer expiration on re0, state = 1
send RS on re0, whose state is 2
set timer for re0 to 4:0
New timer is 4:00000151
received RA from fe80::c1a1:c1ff:fea1:f1e1 on re0, state is 2
OtherConfigFlag on re0 is turned on
stop timer for re0
there is no timer
So, maybe I'm missing something, but how is it supposed to work?
How are the Mac machines correctly getting the LAN IPv6 Prefix of
2001:a123:b2a3:b2e2:
when the Airport is responding with router advertisements of only its link-local address?
(does it have something to do with this "OtherConfigFlag", or am I supposed
to use 'Neighbor Discovery Protocol' to get the globally routable prefix?)
How am I supposed to setup an IPv6 network, so that my other machines
get NON-link-local prefix from the router?
Truly - thanks for any help.

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View vpnv4 prefix and ip prefix

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