Re: [c-nsp] 7600 QOS Per Sub-interface

2011-11-16 Thread Tim Franklin
 You will need the ES/ES+ enhanced services cards to do what you want.  Or
 SIP/SPA type cards, but at this point ES is probably a cheaper option.
 There are not really any good options or ways to fudge it with a 7600 with
 the LAN type cards.

Unless you need the LAN cards specifically for the port density rather than the 
N x 1G bandwidth.  In which case, an external loopback cable from a single WAN 
port (of whatever flavour) into the LAN card, running the QoS on the WAN port 
on lots of sub-interfaces *can* get you there.  It's a nasty hack, but if you 
really can't afford the number of physical WAN ports you need...

Yes, I know you said *good* options :)

Regards,
Tim.
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Re: [c-nsp] 6k Netflow To Be or Not To Be...

2011-11-16 Thread Dobbins, Roland
On Nov 16, 2011, at 4:47 PM, Nick Hilliard wrote:

 Depends on hardware configuration - i.e. whether or not you're using DFCs or 
 not.

And on five-tuple diversity.

---
Roland Dobbins rdobb...@arbor.net // http://www.arbornetworks.com

The basis of optimism is sheer terror.

  -- Oscar Wilde


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[c-nsp] BGP community

2011-11-16 Thread Mohammad Khalil

Hi all , is i have the community set as 100 200 300
in the show ip bgp {prefix} output it will show in an ascending order , the 
question can i reverse that ?

Thanks
  
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Re: [c-nsp] BGP community

2011-11-16 Thread Nick Hilliard
On 16/11/2011 11:41, Mohammad Khalil wrote:
 in the show ip bgp {prefix} output it will show in an ascending order ,
 the question can i reverse that ?

No.  The community order is irrelevant to BGP.

Nick

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Re: [c-nsp] BGP community

2011-11-16 Thread Mohammad Khalil

Thanks 

 Date: Wed, 16 Nov 2011 11:56:20 +
 From: n...@foobar.org
 To: eng_m...@hotmail.com
 CC: cisco-nsp@puck.nether.net
 Subject: Re: [c-nsp] BGP community
 
 On 16/11/2011 11:41, Mohammad Khalil wrote:
  in the show ip bgp {prefix} output it will show in an ascending order ,
  the question can i reverse that ?
 
 No.  The community order is irrelevant to BGP.
 
 Nick
 
  
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Re: [c-nsp] Third Party Xenpaks

2011-11-16 Thread Michael Robson
On 7 Nov 2011, at 17:00, cisco-nsp-requ...@puck.nether.net wrote:

 That sounds like an IOS bug.
 
 What does sh idprom int Tex/y | inc endor say for one of the non-Cisco 
 parts, compared to a Cisco part?

Mystery solved: without going into the full long story, 75oC ambient 
temperature in a datacentre causing a config register to become corrupt ended 
in an ancient backup IOS being booted into, one without DOM support. Prior to 
the reboot, the only third-party Xenpaks were SR and so had no DOM support 
anyway (and I won't even go into the confusion caused by the output of idprom 
claiming our real Cisco SR xenpaks are of the + variety, i.e. DOM supporting).

 ...
 We've never had problems with such transceivers and DOM, including with 
 SFP+ in a X2-SFP+ converter in a 6716.


Well that in itself is useful to know - thanks.


Michael.

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Re: [c-nsp] QoS configuration conflict for flowmask on SVI interface behind FWSM

2011-11-16 Thread Joseph Jackson
On Wed, Nov 16, 2011 at 1:49 AM, Phil Mayers p.may...@imperial.ac.uk wrote:
 On 11/16/2011 05:08 AM, Joseph Jackson wrote:

 Hey List,

 I'm wanting to apply a policy-map to rate limit a port that is a
 member of a vlan that is configured as a firewalled vlan.  When I
 apply the service-policy input to the port directly connected to the
 server I get this message in the logs:


  %FM_EARL7-2-SWITCH_PORT_QOS_FLOWMASK_CONFLICT: QoS configuration on
 switch port FastEthernet1/5 conflicts for flowmask with feature
 configuration on SVI interface Vlan912



 Can you show the class  policy map you were trying to use, and the config
 of both interfaces (before you started)?

Here ya go.

class-map match-all limit-netcool-cdr
  match access-group 191
!
!
policy-map limit-netcool-cdr
  class limit-netcool-cdr
 police flow mask dest-only 200 62500 conform-action transmit
exceed-action drop
!

Directly connected interface -

interface FastEthernet1/5
 switchport
 switchport access vlan 101
 no ip address
 speed 100
 duplex full
 spanning-tree portfast
end

SVI -

interface Vlan912
 description ***OUTSIDE***
 ip address 172.16.213.11 255.255.255.248
 standby ip 172.16.213.13
 standby timers 2 5
 standby priority 200
 standby preempt



Thanks Phil!

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[c-nsp] DSCP

2011-11-16 Thread Mohammad Khalil

DSCP 41 means CS4 or AF41 ?
  
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[c-nsp] IP SLA eigrp

2011-11-16 Thread Grzegorz Zapalski
Hi,

Is it possible to make down ip eigrp routing protocol when ip sla icmp jitter 
detect, let say, 200ms or 10% packet loss to other host in network.

Grzegorz Zapalski
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Re: [c-nsp] IP SLA eigrp

2011-11-16 Thread Nick Hilliard
On 16/11/2011 15:22, Grzegorz Zapalski wrote:
 Is it possible to make down ip eigrp routing protocol when ip sla icmp
 jitter detect, let say, 200ms or 10% packet loss to other host in
 network.

Would Performance Routing do what you're looking for?

 http://www.cisco.com/en/US/products/ps8787/products_ios_protocol_option_home.html

Nick
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Re: [c-nsp] DSCP

2011-11-16 Thread Richard N. Ingram
On Wed, Nov 16, 2011 at 05:44:48PM +0200, Mohammad Khalil wrote:
 
 DSCP 41 means CS4 or AF41 ?
 
DSCP 41 isn't really used and doesn't make sense (last bit is tyically 0).  
AF41 would be DSCP 34.  CS4 would be DSCP 32.  RFC 4594 has some good 
guidelines and is a good starting point.  Here's a table:

0 cs0
8 cs1
10 af11
12 af12
14 af13
16 cs2
18 af21
20 af22
22 af23
24 cs3
26 af31
28 af32
30 af33
32 cs4
34 af41
36 af42
38 af43
40 cs5
46 ef
48 cs6
56 cs7

Best regards,
Rich
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Re: [c-nsp] DSCP

2011-11-16 Thread Peter Rathlev
On Wed, 2011-11-16 at 17:44 +0200, Mohammad Khalil wrote:
 DSCP 41 means CS4 or AF41 ?

Neither as far as I know. CS4 is DSCP 32 and AF41 is DSCP 34.

It does not seem like DSCP 41 has any specific class definition, at
least not according to RFC 4594.

-- 
Peter


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Re: [c-nsp] DSCP

2011-11-16 Thread Christopher J. Pilkington
On Wed, Nov 16, 2011 at 10:44 AM, Mohammad Khalil eng_m...@hotmail.com wrote:

 DSCP 41 means CS4 or AF41 ?

A handy guide:

http://www.cisco.com/en/US/docs/switches/datacenter/nexus1000/sw/4_0/qos/configuration/guide/qos_6dscp_val.html

-cjp
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Re: [c-nsp] DSCP

2011-11-16 Thread Mohammad Khalil

Thanks for the replies
That's what confused me because i review the table and there is nothing called 
DSCP 41 !! or DSCP 31 !

 Date: Wed, 16 Nov 2011 10:28:25 -0600
 From: r...@ferlie.org
 To: cisco-nsp@puck.nether.net
 Subject: Re: [c-nsp] DSCP
 
 On Wed, Nov 16, 2011 at 05:44:48PM +0200, Mohammad Khalil wrote:
  
  DSCP 41 means CS4 or AF41 ?

 DSCP 41 isn't really used and doesn't make sense (last bit is tyically 0).  
 AF41 would be DSCP 34.  CS4 would be DSCP 32.  RFC 4594 has some good 
 guidelines and is a good starting point.  Here's a table:
 
 0 cs0
 8 cs1
 10 af11
 12 af12
 14 af13
 16 cs2
 18 af21
 20 af22
 22 af23
 24 cs3
 26 af31
 28 af32
 30 af33
 32 cs4
 34 af41
 36 af42
 38 af43
 40 cs5
 46 ef
 48 cs6
 56 cs7
 
 Best regards,
 Rich
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[c-nsp] IOS firewall inspection blocking TACACS

2011-11-16 Thread Andrew Harris
Hi,

I have a fairly simple branch network with a 2911 as the edge router
and some 3750s behind it.

The 2911 terminates an IPSec tunnel over to our DC and all the 3750s
use TACACS with AAA servers in the DC, so the TACACS traffic goes over
the IPSec tunnel.

I have recently decided to use IOS firewall rather than slightly
un-eloquent reflexive ACLs on the router.

Everything works fine when I apply the inspection rules; users can
browse the Internet, I can ping to the DC through IPSec and I can
access Intranet servers through IPSec etc.

One thing that does not work however is TACACS, I can no longer
authenticate. The connections now time out

Does anyone know why this might be? Based on research the inspection
is carried out before encryption, but I cannot see why the TACACS
packets in particular would be blocked.

I have tried inspecting tacacs also but no joy. Also tried adding
inbound inspection on the inside interface of the router as well.

Here is the relevant configuration:


ip inspect name SES tcp router-traffic
ip inspect name SES udp router-traffic
ip inspect name SES icmp router-traffic
ip inspect name SES h323

ip access-list extended ACL-PO17-IN
 permit esp any any
 permit udp any any eq isakmp
 deny ip any any


interface Port-channel1.7
 description Outside VLAN
 bandwidth 10
 encapsulation dot1Q 7
 ip address 213.x.x.x 255.255.255.224
 no ip redirects
 no ip unreachables
 no ip proxy-arp
 ip inspect SES out
 ip access-group ACL-PO17-IN in
 ip nat outside
 no ip virtual-reassembly
 standby 101 ip 213.x.x.x
 standby 101 priority 110
 standby 101 preempt
 standby 101 name ISP
 standby 101 track 2 decrement 30
 crypto map IPSEC_VPN
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Re: [c-nsp] 6k Netflow To Be or Not To Be...

2011-11-16 Thread Mack McBride
As I stated in the original post.
This is based on my experience with standard web traffic.

Mack

-Original Message-
From: cisco-nsp-boun...@puck.nether.net 
[mailto:cisco-nsp-boun...@puck.nether.net] On Behalf Of Nick Hilliard
Sent: Wednesday, November 16, 2011 2:48 AM
To: cisco-nsp@puck.nether.net
Subject: Re: [c-nsp] 6k Netflow To Be or Not To Be...

On 15/11/2011 15:05, Mack McBride wrote:
 Below 5G you are unlikely to overflow (given a certain amount of tuning).

Depends on hardware configuration - i.e. whether or not you're using DFCs or 
not.  I've seen persistent overflows at 150kpps using L2 netflow, on the basis 
of fast flow expiry.

Nick

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Re: [c-nsp] OSPF issue

2011-11-16 Thread John Elliot

Hi Guys - Just following up on this issue...Carrier is stating that they are 
not filtering multicast(support case is still open, but we appear to be getting 
nowhere)
If I ping 224.0.0.5 from R2, I do not get a response from R1 via the new link 
- Also, debugging icmp on r1, I only see requests from R2 via the 
existing(working) link, so the multicast pings are not reaching R1 via the 
new link.
R1(7206 w/ G1) connects via trunk to 3750(As portchan), and the carrier 
hand-off is via trunk port on the same 3750 - The switch is not doing any L3, 
has no filtering of multicast enabled...Am I seeing a potential ios bug?
Any suggestions are greatly appreciated!
 

Date: Sun, 13 Nov 2011 09:55:24 +0100
Subject: Re: [c-nsp] OSPF issue
From: kim...@gmail.com
To: johnellio...@hotmail.com
CC: j...@west.net; cisco-nsp@puck.nether.net

It looks like it's actually multicast packets that are getting filtered 
somehow. MPLS (LDP) is also making use of it for discovering the neighbors 
(224.0.0.2). Untill you get the multicast issue sorted with your carrier, you 
could do a targeted (unicast) discovery for LDP. that should work.


On Sun, Nov 13, 2011 at 2:51 AM, John Elliot johnellio...@hotmail.com wrote:





Cheers guys - It would appear that there is some filtering of ospf on this new 
link...I've changed both ends ints to non-broadcast, and added nei statements 
to ospf, and we now have adj that's been up for ~30min.




Neighbor ID Pri   State   Dead Time   Address 
Interfacexxx.xxx.76.2481   FULL/DR 00:01:37xxx.xxx.66.62   
Port-channel1.87xxx.xxx.76.2481   FULL/DR 00:00:31xxx.xxx.66.2  
  FastEthernet3/0


Ill get onto carrier tomorrow regarding the multicast filtering.Side note - Is 
there any potential issues with running mpls over this link(As I dont see ldp 
neig on R1 for R2):#sh mpls ldp neighbor port-channel 1.87(I do see ldp nei on 
R2 though(via both portchan1.86 + portchan1.87))Thanks again for your 
assistance.much appreciated!




 Date: Sat, 12 Nov 2011 15:49:57 -0800

 From: j...@west.net

 To: cisco-nsp@puck.nether.net

 Subject: Re: [c-nsp] OSPF issue



 On 11/12/11 3:26 PM, John Elliot wrote:



  Ok - enabling point-to-point on each of the new ints on R1+R2, and it now 
  doesnt form adj.

 

  R1 no longer sees R2 in neighbors via new Int:

 

 

  Neighbor ID Pri   State   Dead Time   Address 
  Interfacexxx.xxx.76.2481   FULL/DR 00:00:35xxx.xxx.66.2
  FastEthernet3/0

 

  R2 is stuck in init:

 

 

  Neighbor ID Pri   State   Dead Time   Address 
  Interfacexxx.xxx.76.2380   INIT/  -00:00:36xxx.xxx.66.61   
  Port-channel1.87

  xxx.xxx.76.2381   FULL/BDR00:00:30xxx.xxx.66.1
  Port-channel1.86



 Based on your previous post re multicast pings, it may be that your

 provider isn't passing multicast.  If this is the case you can either

 get them to fix this (best) or statically assign neighbors in router

 config mode (sort of an ugly hack).



 The results of show ip ospf interface [interface name] on both sides

 after configuring point-to-point on the interfaces would be useful

 information.



 --

 Jay Hennigan - CCIE #7880 - Network Engineering - j...@impulse.net

 Impulse Internet Service  -  http://www.impulse.net/

 Your local telephone and internet company - 805 884-6323 - WB6RDV

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Re: [c-nsp] OSPF issue

2011-11-16 Thread Jay Hennigan
On 11/16/11 3:28 PM, John Elliot wrote:
 Hi Guys - Just following up on this issue...Carrier is stating that they
 are not filtering multicast(support case is still open, but we appear to
 be getting nowhere)
 
 If I ping 224.0.0.5 from R2, I do not get a response from R1 via the
 new link - Also, debugging icmp on r1, I only see requests from R2 via
 the existing(working) link, so the multicast pings are not reaching R1
 via the new link.

If you ping 224.0.0.5 from a router connected to R1 on a different link,
do you get a response?  (I suspect your carrier is indeed filtering
multicast.)

 R1(7206 w/ G1) connects via trunk to 3750(As portchan), and the carrier
 hand-off is via trunk port on the same 3750 - The switch is not doing
 any L3, has no filtering of multicast enabled...Am I seeing a potential
 ios bug?

Verify that R1 is indeed communicating on 224.0.0.5 on the interface
facing the carrier, then beat on them until they fix it.  If it isn't
and should be (no passive-interface or something misconfigured), then
maybe an IOS bug.

I suspect the carrier.

--
Jay Hennigan - CCIE #7880 - Network Engineering - j...@impulse.net
Impulse Internet Service  -  http://www.impulse.net/
Your local telephone and internet company - 805 884-6323 - WB6RDV
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Re: [c-nsp] OSPF issue

2011-11-16 Thread John Elliot

 
 On 11/16/11 3:28 PM, John Elliot wrote:
  If I ping 224.0.0.5 from R2, I do not get a response from R1 via the
  new link - Also, debugging icmp on r1, I only see requests from R2 via
  the existing(working) link, so the multicast pings are not reaching R1
  via the new link.
 
 If you ping 224.0.0.5 from a router connected to R1 on a different link,
 do you get a response?  (I suspect your carrier is indeed filtering
 multicast.)

(Hopefully the formatting doesnt get killed by hotmail.)

Yes - R1 has 3 active ospf+mpls connections (one to R2, and two to R3)

R3 has 2 links to R1, both of which work without issue, and respond to 
224.0.0.5 when pinging from R3:

From R3
#ping 224.0.0.5
Type escape sequence to abort.
Sending 1, 100-byte ICMP Echos to 224.0.0.5, timeout is 2 seconds:
Reply to request 0 from xxx.xxx.66.237, 8 ms
Reply to request 0 from xxx.xxx.66.173, 8 ms
(Note, Ive removed other replies..R3 has other ospf neighbours also)

(i.e. no need for non-broadcast or neighbor statements to form adjacencies)


 
  R1(7206 w/ G1) connects via trunk to 3750(As portchan), and the carrier
  hand-off is via trunk port on the same 3750 - The switch is not doing
  any L3, has no filtering of multicast enabled...Am I seeing a potential
  ios bug?
 
 Verify that R1 is indeed communicating on 224.0.0.5 on the interface
 facing the carrier, then beat on them until they fix it.  If it isn't
 and should be (no passive-interface or something misconfigured), then
 maybe an IOS bug.
 

sh ip ospf 100 int is stating that portchan1.87 is active

#sh ip ospf 100 interface 
Port-channel1.87 is up, line protocol is up 

(It has an active adj via this link atm as I have it configured with 
non-broadcast and neighbour statement in ospf 100)

Unless there is some other test I can use to confirm portchan1.87 is indeed 
communicating on 224.0.0.5?

Thanks again for your assistance.


 I suspect the carrier.




  
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[c-nsp] handling customer interfaces for single IP address

2011-11-16 Thread root net
I wanted to find out how some of you are handling customer interfaces,
specifically when giving a customer one IP address. How do you make sure
the customer is only getting bandwidth he/she is paying for?

Currently, we assign customers /29 subnet to their 802.1Q sub interface and
apply some policies to the sub interface. For customers wanting a single IP
or broadband package that included only a single IP we have a 802.1Q sub
interface with a /24 and we just assign the static IPs to the customer as
they need. With this model you have to throw more bandwidth at the link in
order to satisfy all customers wanting for example 20 down / 5 up

Using ATM DSL this was a walk in the park but just trying to make sure we
hit the nail on the head since it's all Ethernet and L2 ports for customers.

I believe if we simply did a /30 for each customer on a 802.1Q interface
that would solve our issue but we would waste IP addresses. Also if we did
this we could route a /29 or any subnet size to their interface at that
point should they need. What are your experiences and do you have any other
suggestions?

We do all routing on our side and hand off a L2 port.

Thanks in advance,

rootnet
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Re: [c-nsp] OSPF issue

2011-11-16 Thread Randy
...(bug) while possible; I still think it is your *new* provider doing 
something funky to multicast-macs; not multicast-ip.
./Randy

--- On Wed, 11/16/11, John Elliot johnellio...@hotmail.com wrote:

 From: John Elliot johnellio...@hotmail.com
 Subject: Re: [c-nsp] OSPF issue
 To: kim...@gmail.com
 Cc: cisco-nsp cisco-nsp@puck.nether.net
 Date: Wednesday, November 16, 2011, 3:28 PM
 
 Hi Guys - Just following up on this issue...Carrier is
 stating that they are not filtering multicast(support case
 is still open, but we appear to be getting nowhere)
 If I ping 224.0.0.5 from R2, I do not get a response from
 R1 via the new link - Also, debugging icmp on r1, I only
 see requests from R2 via the existing(working) link, so the
 multicast pings are not reaching R1 via the new link.
 R1(7206 w/ G1) connects via trunk to 3750(As portchan), and
 the carrier hand-off is via trunk port on the same 3750 -
 The switch is not doing any L3, has no filtering of
 multicast enabled...Am I seeing a potential ios bug?
 Any suggestions are greatly appreciated!
  
 
 Date: Sun, 13 Nov 2011 09:55:24 +0100
 Subject: Re: [c-nsp] OSPF issue
 From: kim...@gmail.com
 To: johnellio...@hotmail.com
 CC: j...@west.net; cisco-nsp@puck.nether.net
 
 It looks like it's actually multicast packets that are
 getting filtered somehow. MPLS (LDP) is also making use of
 it for discovering the neighbors (224.0.0.2). Untill you get
 the multicast issue sorted with your carrier, you could do a
 targeted (unicast) discovery for LDP. that should work.
 
 
 On Sun, Nov 13, 2011 at 2:51 AM, John Elliot johnellio...@hotmail.com
 wrote:
 
 
 
 
 
 Cheers guys - It would appear that there is some filtering
 of ospf on this new link...I've changed both ends ints to
 non-broadcast, and added nei statements to ospf, and we now
 have adj that's been up for ~30min.
 
 
 
 
 Neighbor ID 
    Pri   State   
        Dead
 Time   Address     
    Interfacexxx.xxx.76.248   
 1   FULL/DR     
    00:01:37   
 xxx.xxx.66.62   Port-channel1.87xxx.xxx.76.248 
   1   FULL/DR     
    00:00:31    xxx.xxx.66.2 
   FastEthernet3/0
 
 
 Ill get onto carrier tomorrow regarding the multicast
 filtering.Side note - Is there any potential issues with
 running mpls over this link(As I dont see ldp neig on R1 for
 R2):#sh mpls ldp neighbor port-channel 1.87(I do see ldp nei
 on R2 though(via both portchan1.86 + portchan1.87))Thanks
 again for your assistance.much appreciated!
 
 
 
 
  Date: Sat, 12 Nov 2011 15:49:57 -0800
 
  From: j...@west.net
 
  To: cisco-nsp@puck.nether.net
 
  Subject: Re: [c-nsp] OSPF issue
 
 
 
  On 11/12/11 3:26 PM, John Elliot wrote:
 
 
 
   Ok - enabling point-to-point on each of the new
 ints on R1+R2, and it now doesnt form adj.
 
  
 
   R1 no longer sees R2 in neighbors via new Int:
 
  
 
  
 
   Neighbor ID 
    Pri   State   
        Dead
 Time   Address     
    Interfacexxx.xxx.76.248   
 1   FULL/DR     
    00:00:35    xxx.xxx.66.2 
   FastEthernet3/0
 
  
 
   R2 is stuck in init:
 
  
 
  
 
   Neighbor ID 
    Pri   State   
        Dead
 Time   Address     
    Interfacexxx.xxx.76.238   
 0   INIT/  -       
 00:00:36   
 xxx.xxx.66.61   Port-channel1.87
 
   xxx.xxx.76.238   
 1   FULL/BDR       
 00:00:30    xxx.xxx.66.1   
 Port-channel1.86
 
 
 
  Based on your previous post re multicast pings, it may
 be that your
 
  provider isn't passing multicast.  If this is the
 case you can either
 
  get them to fix this (best) or statically assign
 neighbors in router
 
  config mode (sort of an ugly hack).
 
 
 
  The results of show ip ospf interface [interface
 name] on both sides
 
  after configuring point-to-point on the interfaces
 would be useful
 
  information.
 
 
 
  --
 
  Jay Hennigan - CCIE #7880 - Network Engineering - j...@impulse.net
 
  Impulse Internet Service  -  http://www.impulse.net/
 
  Your local telephone and internet company - 805
 884-6323 - WB6RDV
 
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  https://puck.nether.net/mailman/listinfo/cisco-nsp
 
  archive at http://puck.nether.net/pipermail/cisco-nsp/
 
 
 
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[c-nsp] Last call for participation in the Arbor 2011 WISR opsec survey.

2011-11-16 Thread Dobbins, Roland

[Apologies if you've already seen this message in other forums.]

We'd be grateful if folks who've yet to do so would take a few minutes to 
participate in the 2011 WISR opsec survey - responses will be tabulated on 
Sunday, 20Nov11, and input from the operational community is greatly 
appreciated!

This link redirects to the http/s-enabled survey tool:

http://www.arbornetworks.com/survey/ISR2011

Thanks much!

---
Roland Dobbins rdobb...@arbor.net // http://www.arbornetworks.com

The basis of optimism is sheer terror.

  -- Oscar Wilde


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