From: ccie2be (ccie2be@nyc.rr.com)
Date: Sat Feb 05 2005 - 16:15:32 GMT-3
Hey Mohamed,
Did you realize the link you included in your post was the same exact link I
included in the original post?
Anyway, were you able to get bgp accounting to work on routers? I still
haven't been able to figure it out.
Thanks, Tim
----- Original Message -----
From: <mohamed_n@sifycorp.com>
To: <ccie2be@nyc.rr.com>
Cc: <ccielab@groupstudy.com>
Sent: Saturday, February 05, 2005 1:25 AM
Subject: Re: bgp policy accounting
> Hi ,
> Pls take a look-
> The BGP PA feature is first supported by the following platforms that
support Cisco IOS Release 12.0(9)S.
>
> Cisco 7200, 7500, and 12000 Series Routers
>
> The number of platforms that support this feature in Cisco IOS Release
12.2(13)T is much larger. The platforms include:
>
> 1400, 1600, 1700, 2600, 3600, 7100, 7200, 7500, AS5300, AS5350, AS5400,
AS5800, AS5850, ICS7750, IGX 8400 URM, MGX 8850, uBR7200.
>
>
> From this link
> http://www.cisco.com/warp/public/459/38.html
>
> I spent 2 or 3 days trying to configure accounting on a cisco 6500 box and
concluded it is not supported.
>
> May be someone else throw some light on this mystery.
>
> Thanks
> Mohamed.
>
> ccie2be@nyc.rr.com:
>
> > Hi guys,
> >
> > I never configured this before and so far, I'm not able to make this
> > work.
> >
> > Here's the topology:
> >
> > AS 200 ---> AS 100 ---> AS 54
> >
> > I need to keep track of traffic from AS 200.
> >
> > And, I want to configure AS 100 such that I can count all traffic from
> > AS 200
> >
> > which is destined to any host in AS 200.
> >
> > I also want to count all traffic from AS 200 that transits AS 100 on
> > it's way
> > to other hosts.
> >
> > R3 is in AS 100 and directly connects to R1 in AS 200.
> >
> > To do this, I followed (I think) the instructions in this link:
> >
> > http://www.cisco.com/warp/public/459/38.html
> >
> > Here's my config for R3: ( I also cleared the BGP sessions after doing
> > this
> > config.)
> >
> > interface Serial1/0 <--- Connects to
> > R1 &
> > R2
> > ip address 157.1.123.3 255.255.255.0
> > bgp-policy accounting <-- per above link
> > encapsulation frame-relay
> > frame-relay map ip 157.1.123.1 301 broadcast
> > frame-relay map ip 157.1.123.2 302 broadcast
> > no frame-relay inverse-arp
> >
> > Rack1R3#;f router bgp
> > router bgp 100
> > no synchronization
> > table-map SET-BUCKET
> > bgp router-id 150.1.3.3
> > bgp log-neighbor-changes
> > neighbor 157.1.35.5 remote-as 100
> > neighbor 157.1.35.5 route-reflector-client
> > neighbor 157.1.36.6 remote-as 100
> > neighbor 157.1.36.6 route-reflector-client
> > neighbor 157.1.37.7 remote-as 100
> > neighbor 157.1.37.7 route-reflector-client
> > neighbor 157.1.123.1 remote-as 200
> > no auto-summary
> > !
> > ip as-path access-list 1 permit ^100$ <-- For traffic to AS 100
> > ip as-path access-list 2 permit _54_ <-- For traffic to other AS's
> > downstream of AS !00
> > !
> > !
> > route-map SET-BUCKET permit 10
> > match as-path 1
> > set traffic-index 1
> > !
> > route-map SET-BUCKET permit 20
> > match as-path 2
> > set traffic-index 2
> >
> > First I cleared the BGP session between AS 100 and AS 200 and
> >
> > then I went to R1 and ping'd various destinations in R1's bgp table:
> >
> > Rack1R1#sh ip bgp
> > BGP table version is 167, local router ID is 150.1.1.1
> > Status codes: s suppressed, d damped, h history, * valid, > best, i -
> > internal,
> > r RIB-failure, S Stale
> > Origin codes: i - IGP, e - EGP, ? - incomplete
> >
> > Network Next Hop Metric LocPrf Weight Path
> > *> 28.119.16.0/24 157.1.123.3 0 100 54 i
> > *> 28.119.17.0/24 157.1.123.3 0 100 54 i
> > *> 112.0.0.0 157.1.123.3 0 100 54 50
> > 60 i
> > *> 113.0.0.0 157.1.123.3 0 100 54 50
> > 60 i
> > *> 114.0.0.0 157.1.123.3 0 100 54 i
> > *> 115.0.0.0 157.1.123.3 0 100 54 i
> > *> 116.0.0.0 157.1.123.3 0 100 54 i
> > *> 117.0.0.0 157.1.123.3 0 100 54 i
> > *> 118.0.0.0 157.1.123.3 0 100 54 i
> > *> 119.0.0.0 157.1.123.3 0 100 54 i
> > *> 157.1.5.0/24 157.1.123.3 0 100 i
> > *> 157.1.7.0/24 157.1.123.3 0 100 i
> > Rack1R1#
> >
> > Rack1R1#;p 116.0.0.0 rep 100
> >
> > Type escape sequence to abort.
> > Sending 100, 100-byte ICMP Echos to 116.0.0.0, timeout is 2 seconds:
> > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
> > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
> > Success rate is 100 percent (100/100), round-trip min/avg/max = 20/24/44
> > ms
> > Rack1R1#p 157.1.7.0 rep 25
> >
> > Type escape sequence to abort.
> > Sending 25, 100-byte ICMP Echos to 157.1.7.0, timeout is 2 seconds:
> > !!!!!!!!!!!!!!!!!!!!!!!!!
> > Success rate is 100 percent (25/25), round-trip min/avg/max = 16/18/20
> > ms
> > Rack1R1#
> >
> > Then I went back to R3 to see if the traffic was counted. It wasn't:
> >
> > Rack1R3#sh cef inter s1/0 policy-statistics
> > Serial1/0 is up (if_number 5)
> > Corresponding hwidb fast_if_number 5
> > Corresponding hwidb firstsw->if_number 5
> > BGP based Policy accounting is enabled
> > Index Packets Bytes
> > 1 0 0
> > 2 0 0
> > 3 0 0
> > 4 0 0
> > 5 0 0
> > 6 0 0
> > 7 0 0
> > 8 0 0
> > Rack1R3#
> >
> > Can anyone see where I'm screwing up?
> >
> > TIA, Tim
> >
> > _______________________________________________________________________
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>
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