Re: [pmacct-discussion] Unable to specify "bgp_ip=::1" in bgp_agent_map

2017-01-04 Thread Paolo Lucente 

Hi Charlie,

If possible and easy for you, it would be great if you can change the BGP
Router ID among the two instances and confirm at least that scenario is
working good for you. I'm meanwhile trying to reproduce the scenario to
see if the issue you raised can be easily fixed. 

Cheers,
Paolo

On Wed, Jan 04, 2017 at 09:57:06AM +, Charlie Smurthwaite wrote:
> Hi,
> 
> I just wanted to follow up on this. It this something that could
> potentially be fixed, or something I'm doing wrong? I'm afraid I
> lack the understanding of the code to understand the nature of the
> problem or attempt to patch it myself.
> 
> Thanks again,
> 
> Charlie
> 
> 
> On 02/01/17 10:19, Charlie Smurthwaite wrote:
> >Hi Paolo,
> >
> >Thanks for the suggestion. I am using bird which has separate
> >daemons for v4 and v6, so I don't think there is any way to
> >combine the sessions.
> >
> >I could resolve this by changing the router IDs to be different
> >between v4 and v6, but I'd hoped this would not be necessary and I
> >could match on the peer IP address instead.
> >
> >Charlie
> >
> >
> >On 02/01/17 00:21, Paolo Lucente wrote:
> >>Hi Charlie,
> >>
> >>I see about the same BGP router-id; i then wonder: why don't you just
> >>travel both v4 and v6 address families inside the very same v4 (or v6)
> >>session? Why the need for two sessions?
> >>
> >>Cheers,
> >>Paolo
> >>
> >>On Sat, Dec 31, 2016 at 05:18:18PM +, Charlie Smurthwaite wrote:
> >>>Thank you very much Paolo!
> >>>
> >>>The parser now accepts this configuration, but it still doesn't
> >>>quite work. Here is  my bgp_agent_map now:
> >>>
> >>>bgp_ip=127.0.0.1   ip=0.0.0.0/0 filter='ip  or (vlan and ip)'
> >>>bgp_ip=::1 ip=0.0.0.0/0 filter='ip6 or (vlan and ip6)'
> >>>
> >>>It seems that while ::1 is now accepted, it doesn't actually match
> >>>the peer. Here is the BGP log output:
> >>>
> >>>INFO ( default/core/BGP ): maximum BGP peers allowed: 2
> >>>INFO ( default/core/BGP ): waiting for BGP data on :::17917
> >>>INFO ( default/core/BGP ): [127.0.0.1] BGP peers usage: 1/2
> >>>INFO ( default/core/BGP ): [185.5.34.12] Capability: MultiProtocol
> >>>[1] AFI [1] SAFI [1]
> >>>INFO ( default/core/BGP ): [185.5.34.12] Capability: 4-bytes AS [41]
> >>>ASN [65535]
> >>>INFO ( default/core/BGP ): [185.5.34.12] BGP_OPEN: Local AS: 65535
> >>>Remote AS: 65535 HoldTime: 240
> >>>INFO ( default/core/BGP ): [::1] BGP peers usage: 2/2
> >>>INFO ( default/core/BGP ): [185.5.34.12] Capability: MultiProtocol
> >>>[1] AFI [2] SAFI [1]
> >>>INFO ( default/core/BGP ): [185.5.34.12] Capability: 4-bytes AS [41]
> >>>ASN [65535]
> >>>INFO ( default/core/BGP ): [185.5.34.12] BGP_OPEN: Local AS: 65535
> >>>Remote AS: 65535 HoldTime: 240
> >>>
> >>>If i bring up only the IPv6 peering, the following (using the router
> >>>ID) works and resolves only IPv6 ASNs. Unfortunately, both my IPv4
> >>>and IPv6 sessions use the same router ID.
> >>>
> >>>bgp_ip=185.5.34.12  ip=0.0.0.0/0
> >>>
> >>>It seems that something isn't quite right with matching "bgp_id=::1"
> >>>against the session originating from ::1. Would you mind seeing if
> >>>you can reproduce this?
> >>>
> >>>Thanks!
> >>>
> >>>Charlie
> >>>
> >>>
> >>>On 31/12/16 11:34, Paolo Lucente wrote:
> Hi Charlie,
> 
> Definitely a bug, yes. Thanks for your report. This is now fixed:
> 
> https://github.com/pmacct/pmacct/commit/ab7d675f1eaa90f753327a07c0184247f5f0517c
> 
> 
> Cheers,
> Paolo
> 
> On Fri, Dec 30, 2016 at 11:37:31PM +, Charlie Smurthwaite wrote:
> >Hi,
> >
> >I am running pmacctd with 2 BGP sessions to a local bird
> >instance, one
> >for IPv4 and one for IPv6. I have written a bgp_agent_map a follows:
> >
> >bgp_ip=127.0.0.1 ip=0.0.0.0/0 filter='ip'
> >bgp_ip=::1   ip=0.0.0.0/0 filter='ip6'
> >
> >Unfortunately, the second line fails to parse. The error is:
> >
> >WARN ( default/core ): [/etc/pmacct/bgp_agent_map:2] required key
> >missing. Required keys are: 'id', 'ip'. Line ignored.
> >
> >I have tried various other IPv6 addresses in place of "::1" and they
> >work, but "::1" and "0:0:0:0:0:0:0:1" will not work. I
> >have tested this
> >on 1.6.1 and master. Is this a bug?
> >
> >Thanks!
> >Charlie
> >
> >
> >Charlie Smurthwaite
> >Technical Director
> >
> >tel.  email.
> >charlie@atech.media web.
> >https://atech.media
> >
> >This e-mail has been sent by aTech Media Limited (or one
> >of its assoicated group companys, Dial 9 Communications
> >Limited or Viaduct Hosting Limited). Its contents are
> >confidential therefore if you have received this message
> >in error, we would appreciate it if you could let us know
> >and delete the message. aTech Media Limited is a UK
> >limited company, registration number 5523199. Dial 9
> >Communications Limited is a UK limited company,
>

Re: [pmacct-discussion] Unable to specify "bgp_ip=::1" in bgp_agent_map

2017-01-04 Thread Charlie Smurthwaite 

Hi,

I just wanted to follow up on this. It this something that could 
potentially be fixed, or something I'm doing wrong? I'm afraid I lack 
the understanding of the code to understand the nature of the problem or 
attempt to patch it myself.


Thanks again,

Charlie


On 02/01/17 10:19, Charlie Smurthwaite wrote:

Hi Paolo,

Thanks for the suggestion. I am using bird which has separate daemons 
for v4 and v6, so I don't think there is any way to combine the sessions.


I could resolve this by changing the router IDs to be different 
between v4 and v6, but I'd hoped this would not be necessary and I 
could match on the peer IP address instead.


Charlie


On 02/01/17 00:21, Paolo Lucente wrote:

Hi Charlie,

I see about the same BGP router-id; i then wonder: why don't you just
travel both v4 and v6 address families inside the very same v4 (or v6)
session? Why the need for two sessions?

Cheers,
Paolo

On Sat, Dec 31, 2016 at 05:18:18PM +, Charlie Smurthwaite wrote:

Thank you very much Paolo!

The parser now accepts this configuration, but it still doesn't
quite work. Here is  my bgp_agent_map now:

bgp_ip=127.0.0.1   ip=0.0.0.0/0 filter='ip  or (vlan and ip)'
bgp_ip=::1 ip=0.0.0.0/0 filter='ip6 or (vlan and ip6)'

It seems that while ::1 is now accepted, it doesn't actually match
the peer. Here is the BGP log output:

INFO ( default/core/BGP ): maximum BGP peers allowed: 2
INFO ( default/core/BGP ): waiting for BGP data on :::17917
INFO ( default/core/BGP ): [127.0.0.1] BGP peers usage: 1/2
INFO ( default/core/BGP ): [185.5.34.12] Capability: MultiProtocol
[1] AFI [1] SAFI [1]
INFO ( default/core/BGP ): [185.5.34.12] Capability: 4-bytes AS [41]
ASN [65535]
INFO ( default/core/BGP ): [185.5.34.12] BGP_OPEN: Local AS: 65535
Remote AS: 65535 HoldTime: 240
INFO ( default/core/BGP ): [::1] BGP peers usage: 2/2
INFO ( default/core/BGP ): [185.5.34.12] Capability: MultiProtocol
[1] AFI [2] SAFI [1]
INFO ( default/core/BGP ): [185.5.34.12] Capability: 4-bytes AS [41]
ASN [65535]
INFO ( default/core/BGP ): [185.5.34.12] BGP_OPEN: Local AS: 65535
Remote AS: 65535 HoldTime: 240

If i bring up only the IPv6 peering, the following (using the router
ID) works and resolves only IPv6 ASNs. Unfortunately, both my IPv4
and IPv6 sessions use the same router ID.

bgp_ip=185.5.34.12  ip=0.0.0.0/0

It seems that something isn't quite right with matching "bgp_id=::1"
against the session originating from ::1. Would you mind seeing if
you can reproduce this?

Thanks!

Charlie


On 31/12/16 11:34, Paolo Lucente wrote:

Hi Charlie,

Definitely a bug, yes. Thanks for your report. This is now fixed:

https://github.com/pmacct/pmacct/commit/ab7d675f1eaa90f753327a07c0184247f5f0517c 



Cheers,
Paolo

On Fri, Dec 30, 2016 at 11:37:31PM +, Charlie Smurthwaite wrote:

Hi,

I am running pmacctd with 2 BGP sessions to a local bird instance, 
one

for IPv4 and one for IPv6. I have written a bgp_agent_map a follows:

bgp_ip=127.0.0.1 ip=0.0.0.0/0 filter='ip'
bgp_ip=::1   ip=0.0.0.0/0 filter='ip6'

Unfortunately, the second line fails to parse. The error is:

WARN ( default/core ): [/etc/pmacct/bgp_agent_map:2] required key
missing. Required keys are: 'id', 'ip'. Line ignored.

I have tried various other IPv6 addresses in place of "::1" and they
work, but "::1" and "0:0:0:0:0:0:0:1" will not work. I have tested 
this

on 1.6.1 and master. Is this a bug?

Thanks!
Charlie


Charlie Smurthwaite
Technical Director

tel.  email. charlie@atech.media web. 
https://atech.media


This e-mail has been sent by aTech Media Limited (or one of its 
assoicated group companys, Dial 9 Communications Limited or 
Viaduct Hosting Limited). Its contents are confidential therefore 
if you have received this message in error, we would appreciate it 
if you could let us know and delete the message. aTech Media 
Limited is a UK limited company, registration number 5523199. Dial 
9 Communications Limited is a UK limited company, registration 
number 7740921. Viaduct Hosting Limited is a UK limited company, 
registration number 8514362. All companies are registered at Unit 
9 Winchester Place, North Street, Poole, Dorset, BH15 1NX.


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