Re: [c-nsp] IOS, IOS-XR and RANCID

2010-01-14 Thread Pierfrancesco Caci
:- Simon == Simon Muyal mu...@renater.fr writes:

 Hello all,
 We have a network composed by Cisco equipment running IOS and IOS-XR.
 We run RANCID to manage/backup our configurations.

 Is anybody has experience on this software with both versions (IOS and
 IOS-XR)? We have difficulties to integrate both versions
 simultaneously in the same RANCID process (problem of user and
 admin mode execution)


if you refer to rancid not being able to look at full show diag
because it requires admin mode, you can apply the following patch, the trick
being that you can use admin mode commands by using run and calling
the real executable (in this case run show_diag admin). The rest of
the patch quenches some constantly changing disk size output. 

--- rancid-original 2006-06-06 14:23:42.0 +0200
+++ rancid  2008-06-20 08:47:09.0 +0200
@@ -665,6 +665,8 @@
return(-1) if /(: device being squeezed|ATA_Status time out)/i; # busy
return(-1) if (/command authorization failed/i);
return(1) if /(Open device \S+ failed|Error opening \S+:)/;
+   s/\d+ bytes total \(\d+ bytes free\)/ CRS harddisks sizes skipped / 
if ($type =~ /CRS/ and $cmd =~ /(harddisk|bootflash|disk0)/);
+   s/.*(uptime|temp)_cont/! CRS constantly changing $1_cont skipped / if 
($type =~ /CRS/ and $cmd =~ /(harddisk|bootflash|disk0)/);
# the pager can not be disabled per-session on the PIX
if (/^(-+ More -+)/) {
my($len) = length($1);
@@ -1610,7 +1612,7 @@
if (defined($ENV{'NOCOMMSTR'})) {
my($ip) = $1;
my($line) = snmp-server host $ip;
-   my(@tokens) = split(' ', $');
+   my(@tokens) = split(' ', $');  #' (This comment fixes emacs 
fontification)
my($token);
while ($token = shift(@tokens)) {
if ($token eq 'version') {
@@ -1753,7 +1755,7 @@
{'show controllers' = 'ShowContAll'},
{'show controllers cbus'= 'ShowContCbus'},
{'show diagbus' = 'ShowDiagbus'},
-   {'admin show diag'  = 'ShowDiag'},
+   {'run show_diag admin'  = 'ShowDiag'},
{'show diag'= 'ShowDiag'},
{'show module'  = 'ShowModule'},   # cat 6500-ios
{'show spe version' = 'ShowSpeVersion'},



-- 


---
 Pierfrancesco Caci | Network  System Administrator - INOC-DBA: 6762*PFC
 p.c...@seabone.net | Telecom Italia Sparkle - http://etabeta.noc.seabone.net/
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Re: [c-nsp] IOS, IOS-XR and RANCID

2010-01-14 Thread Per Carlson
Hi.

 We have a network composed by Cisco equipment running IOS and IOS-XR.
 We run RANCID to manage/backup our configurations.

 Is anybody has experience on this software with both versions (IOS and
 IOS-XR)? We have difficulties to integrate both versions simultaneously in
 the same RANCID process (problem of user and admin mode execution)

Instead of trying to fix the existing IOS module, I created a new one
specific for IOS XR. The patch is avaliable through the RANCID
mailinglist, see:
http://www.shrubbery.net/pipermail/rancid-discuss/2009-November/004385.html

Features in this module are:
* Auto-enabled is default on XR devices (no more tweaking of the .clogin file)
* Time-stamps are disabled before extracting data (times-stamps are
default on since 3.8)
* Commands are run both from user and admin modes

-- 
Pelle
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[c-nsp] Experiences with STM-16 to GE multiplexers/converters?

2010-01-14 Thread tim
Hi all,

Does somebody has experiences with STM-16 to GE multiplexers/converters?

We have several links from a fiber distributor which expects STM-16
framing (there are some active WDMs etc.).  At the moment we have an SDH
overlay and SDH components at each POP.  They divide the STM-16 to at
least one time STM-4 (and the router handles the STM-4).

We want to get rid of the SDH components, and use GE at the router side.
Therefore, we want to split the STM-16 (2.5GBit/s) in 2x or 4x GE lines
(yes, 4x is oversubscribed, but for backup links ok).

We have found, for example, this SDH multiplexer:
http://www.pandacomdirekt.com/de/produkte/netztopologie/sdh/speed-dualmux-sfp-25.html

Does somebody has experiences and/or other verdors?

Thanks in anticipation,
Tim

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Re: [c-nsp] PVLAN and trunks (for redundancy and more bandwidth), any idea?

2010-01-14 Thread Pavel Skovajsa
Hi,

Glad it helped.

by suboptimal I meant the fact it is possible (simply by sending to
..) to flood the traffic from one isolated access switch
port through distribution layer, into the rest of the switching fabric
infra simply due to the fact that all uplink/downlink ports are
switchport mode trunks. Obviously the traffic does not get into the
end-user ports, but still the trunk are utilized - hence the
functionality is little different then the expected pseudowire
functionality.

One would expect to have some kind of feature configured on the
distribution layer that would not forward the traffic to the rest of
the switching fabric, just to the uplink port into the core layer -
this is probably what the private-vlan trunk is trying to do.

-pavel skovajsa

On Wed, Jan 13, 2010 at 8:41 PM, Sven 'Darkman' Michels s...@darkman.de wrote:
 -BEGIN PGP SIGNED MESSAGE-
 Hash: SHA1

 Hello Pavel,

 first of all, thanks for your fast response!

 Pavel Skovajsa schrieb:
 If I understood you correctly you can get around these limitations by
 using the PVLAN feature on the end-user ports only and not on the
 internal switch-to-switch links. On those links you can use normal
 trunk ports and spread the PVLAN to your 6509 and terminate it on L3
 VLAN int.

 Ah, okay, i thought i need the private-vlan trunk mode, and when i enabled
 it, it just crashed my port channel (as in removed the port from it, which
 was not what i wanted..).


 On your distribution (6509) you configure:

 interface Vlan10
  ip sticky-arp ignore --- this is important as PVLAN VLAN interface
 gets sticky arp by default (for some unknown reason)
  no ip proxy-arp
  private-vlan mapping 100

 and normal trunk port towards the switch fabric:
 interface GigabitEthernet6/1
  switchport mode trunk

 Ah okay, then i'll try that one, i just limited the vlans a bit, of course ;)


 Yes this is probably suboptimal to what you would like to accoplish
 however the end effect is that the end-user ports cannot communicate
 with each other - which is probably what you want.

 Why is that suboptimal? From what you described and what i unterstood, it
 works like i want: having a etherchannel to my core and protected ports on
 my edge. If the SVI is reachable from my edge, and other hosts are not, than
 i have what i want. But maybe i missed something...?


 Another alternative is the private-vlan trunk feature which is
 described over here
 http://www.cisco.com/en/US/docs/switches/lan/catalyst4500/12.2/31sga/configuration/guide/pvlans.html#wp1166138
 - the trouble is that AFAIK currently it works only on C4500.

 That was what i thought i need, its available on the 3560 but it killed the
 etherchannel... and pvlan documentation says you cannot enable pvlans on
 an etherchannel, which is right as if you enable any of the pvlan commands
 on a etherchannel port, it gets removed from the etherchannel... but it seems
 that normal trunks just work for that - great ;)

 So, from what i know now, it should work like i want... just need to test if
 it works with more than one switches etc. but at the moment it think it will
 do so far.

 Thanks again for your help :)

 Regards,
 Sven
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 8S8An1fyaboYKoWPuZErysZ6c9OH5Kyi
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Re: [c-nsp] PVLAN and trunks (for redundancy and more bandwidth), any idea?

2010-01-14 Thread Sven 'Darkman' Michels
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Hi Pavel,

Pavel Skovajsa schrieb:
 by suboptimal I meant the fact it is possible (simply by sending to
 ..) to flood the traffic from one isolated access switch
 port through distribution layer, into the rest of the switching fabric
 infra simply due to the fact that all uplink/downlink ports are
 switchport mode trunks. Obviously the traffic does not get into the
 end-user ports, but still the trunk are utilized - hence the
 functionality is little different then the expected pseudowire
 functionality.

Ah, okay. But that i try to limit with other features (things like limited
broadcast for a port etc.) so this should not be a big deal, should it?
The main goal is to prevent local attacks from one server to another,
like having a compromised host sniffing the rest after flooding the mac
table, or do some arp spoofing... or what so ever ;)

This should be still the case, even with the trunks, right?

Regards,
Sven
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iEYEARECAAYFAktPGNQACgkQQoCguWUBzBwD/ACeNDAYcSG91XlsE9cCRnW7ZQK1
2GkAnitdSGedsjhj+u+lBkTEKznPULqe
=/mF3
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Re: [c-nsp] BGP to OSPF redistribution

2010-01-14 Thread Jeff Aitken
On Wed, Jan 13, 2010 at 04:25:04PM -0500, null zeroroute wrote:
 Very good suggestion, however the provider is not sending the internet
 routing table, only our own internal network's routes.  Or are you
 suggesting some providers make mistakes and send full internet tables to a
 private VRF customer?  

What he's saying is that any time you redistribute BGP into $IGP, you are
playing with fire.  The likelihood of a mistake may be low but the cost of
a mistake is high.

One thing you'll definitely want to use is the 'redistribute maximum-prefix'
command:

router ospf $PID
 redistribute maximum-prefix $LIMIT

This should help limit the damage if there's a redistribution accident.


--Jeff

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Re: [c-nsp] DS3 over STM1

2010-01-14 Thread Michael K. Smith - Adhost
Hello Ian:

 -Original Message-
 From: cisco-nsp-boun...@puck.nether.net [mailto:cisco-nsp-
 boun...@puck.nether.net] On Behalf Of Gert Doering
 Sent: Wednesday, January 13, 2010 1:19 AM
 To: Ian Henderson
 Cc: cisco-nsp@puck.nether.net
 Subject: Re: [c-nsp] DS3 over STM1
 
 Hi,
 
 On Tue, Jan 12, 2010 at 11:15:10PM +0800, Ian Henderson wrote:
  The new carrier has provisioned a 45Mbit clear channel service with
a
 DS3
  at the remote site, and a channelised STM1 at the head office. I
 can't
  seem to find a combination of router/card/mux to make this work.
 
 I'd ask the carrier to deliver clear channel DS3 on both ends.
 
 After all, that's what you ordered (give us a DS3!), no?
 
 gert
 --

I'm not sure what platform you have, but there are channelized STM-1
cards for the 7200, 7500 and the 1000 series routers.  You should be
able to peel off a single DS-3 on the STM-1 and get the right framing
and signaling to carry it through to your other location.

Google channelized stm-1 cisco

Regards,

Mike
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[c-nsp] Cisco UCS

2010-01-14 Thread Eric Cables
Our local sales team has really been bombarding us with material on Cisco's
UCS (Unified Compute System) as of late, and I was wondering who on this
list has begun deployment of UCS.  If you have decided to deploy, how has
your experience been?  Also, I'd like to hear how you were able to convince
your server folks to switch from HP/Dell/IBM/etc., to a Cisco based
hardware platform.

Thanks,

-- Eric Cables
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Re: [c-nsp] DS3 over STM1

2010-01-14 Thread Gert Doering
Hi,

On Thu, Jan 14, 2010 at 09:16:06AM -0800, Michael K. Smith - Adhost wrote:
 I'm not sure what platform you have, but there are channelized STM-1
 cards for the 7200, 7500 and the 1000 series routers.  You should be
 able to peel off a single DS-3 on the STM-1 and get the right framing
 and signaling to carry it through to your other location.
 
 Google channelized stm-1 cisco

If I understood the original poster correctly, none of them did STM-1 and
DS3 - it's either all the way down to E1 or E3.

gert
-- 
USENET is *not* the non-clickable part of WWW!
   //www.muc.de/~gert/
Gert Doering - Munich, Germany g...@greenie.muc.de
fax: +49-89-35655025g...@net.informatik.tu-muenchen.de


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Re: [c-nsp] cisco frame-relay termination without a frame switch -update

2010-01-14 Thread P.A
Just putting this out there in case it helps someone.

 

This example shows a 7200 with two connected routers. I also got fram-relay
termination working with a 6500 but that platform does not seems to support
the command needed to create frame-relay PVC's the frame-relay route
command.

 

Another thing I found for some reason on the 7200 I had to disable
frame-relay inverse arp with the frame-relay map command for it to work. On
the 6500 this was not an issue. I also noticed on the 7200 that on some
interfaces for whatever reason, int ser5/0:1  I needed to have the
frame-relay map statement for 1.1.1.1 to be able to ping it. This again was
not an issue on the 6500. Also remember you will need frame-relay switching
command in global config mode for the router to be turned into a
frame-switch. Hope this helps someone.

 

Thanks, Paul

 

 

 

7200: config - c7200-p-mz.122-17a.bin

 

interface Serial5/0:1

 ip address 1.1.1.1 255.255.255.252

 encapsulation frame-relay IETF

 frame-relay map ip 1.1.1.1 500

 frame-relay map ip 1.1.1.2 500

 frame-relay lmi-type ansi

 frame-relay intf-type dce

 frame-relay route 40 interface Serial5/1:1 40

!

interface Serial5/0:1.30 point-to-point

 ip address 1.1.1.9 255.255.255.252

 frame-relay interface-dlci 30

!

interface Serial5/1:1

 ip address 1.1.1.5 255.255.255.252

 encapsulation frame-relay IETF

 frame-relay map ip 1.1.1.5 500

 frame-relay map ip 1.1.1.6 500

 frame-relay lmi-type ansi

 frame-relay intf-type dce

 frame-relay route 40 interface Serial5/0:1 40

 

site A:

 

interface Serial0

 ip address 1.1.1.2 255.255.255.252

 encapsulation frame-relay IETF

 frame-relay interface-dlci 500

 frame-relay lmi-type ansi

!

interface Serial0.30 point-to-point

 ip address 1.1.1.10 255.255.255.252

 frame-relay interface-dlci 30

!

interface Serial0.40 point-to-point

 ip address 1.1.1.13 255.255.255.252

 frame-relay interface-dlci 40 IETF

!

 

Site B:

 

interface Serial0

 ip address 1.1.1.6 255.255.255.252

 encapsulation frame-relay IETF

 frame-relay interface-dlci 500

 frame-relay lmi-type ansi

!

interface Serial0.40 point-to-point

 description PRIVATE PVC back to 1st t1.

 ip address 1.1.1.14 255.255.255.252

 frame-relay interface-dlci 40 IETF

 

 

From: P.A [mailto:ra...@meganet.net] 
Sent: Wednesday, January 06, 2010 2:41 PM
To: 'cisco-nsp@puck.nether.net'
Subject: cisco frame-relay termination without a frame switch

 

Hi, we have a frame-relay switch that is no longer working. we have 28 t1s
on a channelized T3. I was wondering if anyone knows how and if it's
possible to terminate frame lines on a cisco, either a 7200 or 6500 without
a frame switch.

I followed the example here, 

http://www.ciscopress.com/articles/article.asp?p=170741
http://www.ciscopress.com/articles/article.asp?p=170741seqNum=7
amp;seqNum=7

but this will not work for me as it assumes you have 2 different frame-relay
circuits on two different t1 ports. I'm using a PA MC T# canrd and I also
tried creating sub interfaces off the t1 channel, but when I use the
frame-relay route command I gives me an error that both DLCIs are on the
same interface L.



All I'm trying to do is terminate a frame-relay on a cisco without a
frame-relay switch. if this possible could someone give me an example or
point me in that direction.

thanks! paul

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[c-nsp] OSPF on ASA with large routing tables

2010-01-14 Thread Greg Clark
We're considering running OSPF on handful of core ASA 5580 but our routing
table is somewhat large (roughly 10,000 routes).  Does anyone have any
experience running OSPF on an ASA platform with a large number of routes on
a production network.  Did you run into any limitations or issues.  We don't
plan on running mutiple context and will not have a large number of
peers/neighbors just a large routing table.

Thanks,

Greg
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Re: [c-nsp] OSPF on ASA with large routing tables

2010-01-14 Thread Jason Shearer
We run a 5540 with about 8500 routes with no real problems.  I do plan on doing 
some filtering just to minimize the size of its table for efficiency.

FYI - ASA in multicontext doesn't support dynamic routing protocols.

-Original Message-
From: cisco-nsp-boun...@puck.nether.net 
[mailto:cisco-nsp-boun...@puck.nether.net] On Behalf Of Greg Clark
Sent: Thursday, January 14, 2010 7:47 PM
To: cisco-nsp@puck.nether.net
Subject: [c-nsp] OSPF on ASA with large routing tables

We're considering running OSPF on handful of core ASA 5580 but our routing
table is somewhat large (roughly 10,000 routes).  Does anyone have any
experience running OSPF on an ASA platform with a large number of routes on
a production network.  Did you run into any limitations or issues.  We don't
plan on running mutiple context and will not have a large number of
peers/neighbors just a large routing table.

Thanks,

Greg
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[c-nsp] RIB failure : Higher admin distance

2010-01-14 Thread Andy Ashley

Hi all,

We have two routers at site A and one at site B, both routers at site A 
have an uplink each to a transit provider. There are two Layer 3 core 
switches below the two routers.
The router at site B has an uplink to another transit provider and there 
is also a private link between the routers at site A and B.


We run OSPF between all the routers/switches, also over the private link 
between site A and B and use redistribute static subnets
There is iBGP running between the routers/switches and an iBGP session 
runs over a GRE tunnel between site A and B so that if the private link 
breaks,
the traffic will go out over the transit providers and they will still 
talk to each other, etc (same AS in path)


There is an issue:
We have a /20 that is announced from site A and we split this up into 3 
longer prefixes (/21, /22 and /24). We want to use the /24 for site B 
and announce the /21 and /23 from site A.
However, when we remove the aggregate /20 route at site A and put a 
static in for the /24, it is not announced to our transit providers at 
site B due to rib failure.


(Site A Router)#sh ip bgp rib-failure
NetworkNext Hop  
RIB-failure  RIB-NH Matches
X.X.X.X/20   (Layer 3 Core Switch)   Higher admin 
distance  n/a


etc etc (there is a list of all of our static routes here)

(Site A Router)#show ip bgp (Slash /24 in question)
BGP routing table entry for (Slash /24 in question)/24, version 4317116
Paths: (1 available, best #1, table default, not advertised to EBGP 
peer, RIB-failure(17))

 Not advertised to any peer
 (65003)
   (Site B Router Tunnel IP) (metric 1002) from (Site A Router IP) 
(X.X.X.X)

 Origin IGP, metric 0, localpref 100, valid,  confed-internal, best
 Community: ASN:200 no-export

(Site A Router)#show ip route (Slash /24 in question)
Routing entry for (Slash /24 in question)/24
 Known via ospf 100, distance 110, metric 20, type extern 2, forward 
metric 2
 Last update from (Site A Router Private Link Interface) on 
GigabitEthernet0/1.8, 5w5d ago

 Routing Descriptor Blocks:
 * (Site A Router Private Link Interface), from (Site B Router), 5w5d 
ago, via GigabitEthernet0/1.8

 Route metric is 20, traffic share count is 1

The rib failure condition seems to be persistent.

Any ideas how to overcome this issue?

Thanks.
Andy.


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[c-nsp] OSPF Campus Design : Excessive SPF Runs

2010-01-14 Thread Jason LeBlanc
Hello,

We currently have Layer 3 Routed Access configured at all of our Metro Campus 
locations.  There are a few obvious deviations from the best practice design 
guides.   The current setup is:

Core --Datacenter Distribution -- | (fiber connect) | -- 
Building Distribution --   Access
(backbone)  (ABR)   
(ASBR)  (OSPF enabled access 
switch)

The Cisco best practice is:

Core --Distribution --Access
(backbone)  (ABR)   (OSPF enabled access switch)

We are running NSSA with no-summary and the range command on the Datacenter 
Distribution routers.  Each floor has 2 access switches (w/ OSPF running) which 
each have a link back to the Building Distribution router.  Vlans on each box 
on each floor are mutually exclusive.

Symptoms: 
Lots of SPF re-calculations, NTP failing from Datacenter Distro - Building 
Distro, and users reporting loss of their shared drives. 

router-a#sh ip ospf stat   
  Area 0.0.0.0: SPF algorithm executed 7865 times
  Area 192.8.208.0: SPF algorithm executed 386 times
  Area 192.70.0.0: SPF algorithm executed 563 times
  Area 192.100.0.0: SPF algorithm executed 93076 times


Questions:
Should we be advertising (passively or non-passively) L3 Vlans into OSPF?
Should we be doing Totally NSSA's instead of NSSA's?
If not is there a way to get the DR in NSSA to advertise a single route 
back as default route?
Should we be sending each campus distribution router directly to the Core so 
that its the 3 hops?
Do you suggest tuning the OSPF dead interval to achieve subsecond convergence?


Any help advise is greatly appreciated!

Regards,

//LeBlanc
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Re: [c-nsp] RIB failure : Higher admin distance

2010-01-14 Thread Randy
..sorry for the top posting..
Hi Andy,
You wouldn't happen to have an interface on router A on with an addr. in that 
range would you? *connected* eq ad of 0. A longer prefix match will not work in 
this case when it comes to installing routes in the bgp routing table.
Regards
./Randy


--- On Thu, 1/14/10, Andy Ashley li...@nexus6.co.za wrote:


From: Andy Ashley li...@nexus6.co.za
Subject: [c-nsp] RIB failure : Higher admin distance
To: cisco-nsp@puck.nether.net
Date: Thursday, January 14, 2010, 6:32 PM


Hi all,

We have two routers at site A and one at site B, both routers at site A have an 
uplink each to a transit provider. There are two Layer 3 core switches below 
the two routers.
The router at site B has an uplink to another transit provider and there is 
also a private link between the routers at site A and B.

We run OSPF between all the routers/switches, also over the private link 
between site A and B and use redistribute static subnets
There is iBGP running between the routers/switches and an iBGP session runs 
over a GRE tunnel between site A and B so that if the private link breaks,
the traffic will go out over the transit providers and they will still talk to 
each other, etc (same AS in path)

There is an issue:
We have a /20 that is announced from site A and we split this up into 3 longer 
prefixes (/21, /22 and /24). We want to use the /24 for site B and announce the 
/21 and /23 from site A.
However, when we remove the aggregate /20 route at site A and put a static in 
for the /24, it is not announced to our transit providers at site B due to rib 
failure.

(Site A Router)#sh ip bgp rib-failure
Network            Next Hop                      RIB-failure                    
          RIB-NH Matches
X.X.X.X/20       (Layer 3 Core Switch)   Higher admin distance              n/a

etc etc (there is a list of all of our static routes here)

(Site A Router)#show ip bgp (Slash /24 in question)
BGP routing table entry for (Slash /24 in question)/24, version 4317116
Paths: (1 available, best #1, table default, not advertised to EBGP peer, 
RIB-failure(17))
Not advertised to any peer
(65003)
   (Site B Router Tunnel IP) (metric 1002) from (Site A Router IP) (X.X.X.X)
     Origin IGP, metric 0, localpref 100, valid,  confed-internal, best
     Community: ASN:200 no-export

(Site A Router)#show ip route (Slash /24 in question)
Routing entry for (Slash /24 in question)/24
Known via ospf 100, distance 110, metric 20, type extern 2, forward metric 2
Last update from (Site A Router Private Link Interface) on 
GigabitEthernet0/1.8, 5w5d ago
Routing Descriptor Blocks:
* (Site A Router Private Link Interface), from (Site B Router), 5w5d ago, via 
GigabitEthernet0/1.8
     Route metric is 20, traffic share count is 1

The rib failure condition seems to be persistent.

Any ideas how to overcome this issue?

Thanks.
Andy.


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Re: [c-nsp] Cisco ASA and Update Cisco VPN Client

2010-01-14 Thread Stephane MAGAND
Hi

Thanks for this information.

Anyone have more detail ? anyone have use this function ?

Thanks
Stephane


2010/1/13 Marcelo Zilio ziliomarc...@gmail.com

 I just see in my ASA 8.2 under Configuration  Remote Access VPN  Network
 (Client) Access  IPsec Connection Profiles (Advancede  IPSec) an option
 Client Software Update.

 I remember see this in older versions too. I never used it, but I think
 this
 is you are looking for.

 On Wed, Jan 13, 2010 at 9:14 AM, Phibee Network Operation Center 
 n...@phibee.net wrote:

  Hi
 
  anyone know if it's possible :
 
 When a user connect to my Cisco ASA in VPN IPSec, the ASA see the
  version
  of the IPSec Client Software, i thinks.
 
 If this software are too old, the asa can sent a update automatiquely
 ?
 
 
  Thanks
  Jerome
 
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