[nsp] BGP state of NoNeg

Nic McCartney nic at gblx.net
Mon May 17 12:28:22 EDT 2004


OK here is the output from both Cisco's.....

10008>sh ip bgp neigh 145.233.1.6
BGP neighbor is 192.233.1.6,  remote AS 6745, internal link
 Description: Juniper
 Member of peer-group gblx-VPNv4-mesh for session parameters
  BGP version 4, remote router ID 192.233.1.6
  BGP state = Established, up for 01:46:46
  Last read 00:00:14, hold time is 90, keepalive interval is 30 seconds
  Neighbor capabilities:
    Route refresh: advertised and received(new)
    Address family IPv4 Unicast: advertised
    Address family VPNv4 Unicast: advertised and received

and......

10008>sh ip bgp neigh 145.233.1.6
BGP neighbor is 192.233.1.6,  remote AS 6745, internal link
 Description: Juniper
 Member of peer-group gblx-VPNv4-mesh for session parameters
  BGP version 4, remote router ID 192.233.1.6
  BGP state = Established, up for 01:46:46
  Last read 00:00:14, hold time is 90, keepalive interval is 30 seconds
  Neighbor capabilities:
    Route refresh: advertised and received(new)
    Address family IPv4 Unicast: advertised
    Address family VPNv4 Unicast: advertised and received

If this is wrong part of the output then pls see attached.

Nic

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net]On Behalf Of Oliver Boehmer
(oboehmer)
Sent: 17 May 2004 17:07
To: nic at gblx.net; Cisco-Nsp
Subject: RE: [nsp] BGP state of NoNeg



> Anybody understand what a BGP state of NoNeg is?

what does "show ip bgp neigh 192.233.1.6" say about the advertised &
rcvd capabilities? You didn't post this... NoNeg points into this
direction, it is seen, for example, when a neighbor didn't configure
vpnv4 AFI.

	oli

 
> I have 2 Cisco's (a 10008 and a 7513) and a Juniper M20. BGP all
> meshed. 
> Both the sessions to the Juniper have this NoNeg state.
> 
> 7513#sh ip bgp sum
> BGP router identifier 192.233.1.10, local AS number 6745
> Neighbor        V    AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down
> State/PfxRcd
> 192.233.1.4     4  6745    1502    1516        3    0    0 01:26:10  
> 0 192.233.1.6     4  6745   11517   11543        0    0    0 00:09:35
> (NoNeg) <<<<<<<<<
> 
> and....
> 
> 10008#sh ip bgp sum
> BGP router identifier 192.233.1.4, local AS number 6745
> Neighbor        V    AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down
> State/PfxRcd
> 192.233.1.6     4  6745   34914   34932        0    0    0 00:13:47
> (NoNeg) <<<<<<<<
> 192.233.1.10    4  6745   23933   23942        3    0    0 01:30:17  
> 2 
> 
> And on the Juniper......
> 
> nic at M20> show bgp summary
> Groups: 2 Peers: 3 Down peers: 0
> Table          Tot Paths  Act Paths Suppressed    History Damp State
> Pending
> bgp.l3vpn.0           10         10          0          0          0
> 0
> bgp.l2vpn.0            0          0          0          0          0
> 0
> Peer               AS      InPkt     OutPkt    OutQ   Flaps Last
> Up/Dwn 
> State|#Active/Received/Damped...
> 192.233.1.4      6745         38         39       0       0      
> 17:02 
> Establ
>   bgp.l3vpn.0: 5/5/0
>   10001-1-Test-L3VP.inet.0: 5/5/0
> 192.233.1.10     6745         37         37       0       0      
> 16:58 
> Establ
>   bgp.l3vpn.0: 5/5/0
>   10001-1-Test-L3VP.inet.0: 5/5/0
> 192.176.1.1      3549       9161       9195       0       1 2d
> 23:03:34 
> Establ
>   10001-1-Test-L3VP.inet.0: 0/2/0
> 
> With diff command on the Cisco's :-
> 
> 7513#sh ip bgp neighbors 192.233.1.6
> BGP neighbor is 192.233.1.6,  remote AS 6745, internal link
>  Description: Juniper
>  Member of peer-group gblx-VPNv4-mesh for session parameters
>   BGP version 4, remote router ID 192.233.1.6
>   BGP state = Established, up for 00:49:19  <<<<<<< ??
> 
> 10008>sh ip bgp neig
> BGP neighbor is 192.233.1.6,  remote AS 6745, internal link
>  Description: Juniper
>  Member of peer-group gblx-VPNv4-mesh for session parameters
>   BGP version 4, remote router ID 192.233.1.6
>   BGP state = Established, up for 00:52:42 <<<<<<< ??
> 
> Any thoughts/ideas?
> 
> Nic
> 
> _______________________________________________
> cisco-nsp mailing list  cisco-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/

_______________________________________________
cisco-nsp mailing list  cisco-nsp at puck.nether.net
https://puck.nether.net/mailman/listinfo/cisco-nsp
archive at http://puck.nether.net/pipermail/cisco-nsp/
-------------- next part --------------

10008>sh ip bgp neigh 145.233.1.6
BGP neighbor is 192.233.1.6,  remote AS 6745, internal link
 Description: Juniper
 Member of peer-group gblx-VPNv4-mesh for session parameters
  BGP version 4, remote router ID 192.233.1.6
  BGP state = Established, up for 01:46:46
  Last read 00:00:14, hold time is 90, keepalive interval is 30 seconds
  Neighbor capabilities:
    Route refresh: advertised and received(new)
    Address family IPv4 Unicast: advertised
    Address family VPNv4 Unicast: advertised and received
  Message statistics:
    InQ depth is 0
    OutQ depth is 0
                         Sent       Rcvd
    Opens:                 83         79
    Notifications:          2         75
    Updates:               33         28
    Keepalives:         35002      34907
    Route Refresh:          0         11
    Total:              35118      35100
  Default minimum time between advertisement runs is 5 seconds

 For address family: IPv4 Unicast
  BGP table version 5, neighbor versions 0/0 0/0
  Output queue sizes : 0 self, 0 replicated
  Index 1, Offset 0, Mask 0x2
  Member of update-group 1
  gblx-VPNv4-mesh peer-group member
                                 Sent       Rcvd
  Prefix activity:               ----       ----
    Prefixes Current:               0          0
    Prefixes Total:                 0          0
    Implicit Withdraw:              0          0
    Explicit Withdraw:              0          0
    Used as bestpath:             n/a          0
    Used as multipath:            n/a          0

                                   Outbound    Inbound
  Local Policy Denied Prefixes:    --------    -------
    Total:                                0          0
  Number of NLRIs in the update sent: max 0, min 0

 For address family: VPNv4 Unicast
  BGP table version 61, neighbor versions 61/0 61/0
  Output queue sizes : 0 self, 0 replicated
  Index 1, Offset 0, Mask 0x2
  Member of update-group 1
  gblx-VPNv4-mesh peer-group member
  Community attribute sent to this neighbor
                                 Sent       Rcvd
  Prefix activity:               ----       ----
    Prefixes Current:               0          2 (Consumes 256 bytes)
    Prefixes Total:                 5          2
    Implicit Withdraw:              5          0
    Explicit Withdraw:              0          0
    Used as bestpath:             n/a          4
    Used as multipath:            n/a          0

                                   Outbound    Inbound
  Local Policy Denied Prefixes:    --------    -------
    VPN Imported prefix:                  5        n/a
    Bestpath from iBGP peer:              5        n/a
    Total:                               10          0
  Number of NLRIs in the update sent: max 1, min 0

  Connections established 7; dropped 6
  Last reset 01:47:01, due to BGP Notification received, cease
Connection state is ESTAB, I/O status: 1, unread input bytes: 0
Local host: 192.233.1.4, Local port: 179
Foreign host: 192.233.1.6, Foreign port: 4089

Enqueued packets for retransmit: 0, input: 0  mis-ordered: 0 (0 bytes)

Event Timers (current time is 0xCE634B94):
Timer          Starts    Wakeups            Next
Retrans           217          0             0x0
TimeWait            0          0             0x0
AckHold           217        195             0x0
SendWnd             0          0             0x0
KeepAlive           0          0             0x0
GiveUp              0          0             0x0
PmtuAger            0          0             0x0
DeadWait            0          0             0x0

iss: 3658156624  snduna: 3658161014  sndnxt: 3658161014     sndwnd:  16384
irs: 2539579483  rcvnxt: 2539583792  rcvwnd:      15928  delrcvwnd:    456

SRTT: 300 ms, RTTO: 607 ms, RTV: 3 ms, KRTT: 0 ms
minRTT: 0 ms, maxRTT: 300 ms, ACK hold: 200 ms
Flags: passive open, nagle, gen tcbs

Datagrams (max data segment is 536 bytes):
Rcvd: 432 (out of order: 0), with data: 217, total data bytes: 4308
Sent: 419 (retransmit: 0, fastretransmit: 0), with data: 216, total data bytes: 4389


7513#sh ip bgp neigh 192.233.1.6
BGP neighbor is 192.233.1.6,  remote AS 6745, internal link
 Description: Juniper
 Member of peer-group gblx-VPNv4-mesh for session parameters
  BGP version 4, remote router ID 192.233.1.6
  BGP state = Established, up for 01:47:03
  Last read 00:00:00, hold time is 90, keepalive interval is 30 seconds
  Neighbor capabilities:
    Route refresh: advertised and received(new)
    Address family IPv4 Unicast: advertised
    Address family VPNv4 Unicast: advertised and received
  Message statistics:
    InQ depth is 0
    OutQ depth is 0
                         Sent       Rcvd
    Opens:                  9          5
    Notifications:          1          2
    Updates:               17          8
    Keepalives:         11711      11697
    Route Refresh:          0          0
    Total:              11738      11712
  Default minimum time between advertisement runs is 5 seconds

 For address family: IPv4 Unicast
  BGP table version 5, neighbor versions 0/0 0/0
  Output queue sizes : 0 self, 0 replicated
  Index 1, Offset 0, Mask 0x2
  Member of update-group 1
  gblx-VPNv4-mesh peer-group member
                                 Sent       Rcvd
  Prefix activity:               ----       ----
    Prefixes Current:               0          0
    Prefixes Total:                 0          0
    Implicit Withdraw:              0          0
    Explicit Withdraw:              0          0
    Used as bestpath:             n/a          0
    Used as multipath:            n/a          0

                                   Outbound    Inbound
  Local Policy Denied Prefixes:    --------    -------
    Total:                                0          0
  Number of NLRIs in the update sent: max 0, min 0

 For address family: VPNv4 Unicast
  BGP table version 41, neighbor versions 41/0 41/0
  Output queue sizes : 0 self, 0 replicated
  Index 2, Offset 0, Mask 0x4
  Member of update-group 2
  gblx-VPNv4-mesh peer-group member
  Community attribute sent to this neighbor
                                 Sent       Rcvd
  Prefix activity:               ----       ----
    Prefixes Current:               0          2 (Consumes 256 bytes)
    Prefixes Total:                 5          2
    Implicit Withdraw:              5          0
    Explicit Withdraw:              0          0
    Used as bestpath:             n/a          4
    Used as multipath:            n/a          0

                                   Outbound    Inbound
  Local Policy Denied Prefixes:    --------    -------
    VPN Imported prefix:                  5        n/a
    Bestpath from this peer:              2        n/a
    Bestpath from iBGP peer:              5        n/a
    Total:                               12          0
  Number of NLRIs in the update sent: max 4, min 0

  Connections established 5; dropped 4
  Last reset 01:47:21, due to BGP Notification received, cease
Connection state is ESTAB, I/O status: 1, unread input bytes: 0
Local host: 192.233.1.10, Local port: 179
Foreign host: 192.233.1.6, Foreign port: 4678

Enqueued packets for retransmit: 0, input: 0  mis-ordered: 0 (0 bytes)

Event Timers (current time is 0x14F29AC4):
Timer          Starts    Wakeups            Next
Retrans           220          0             0x0
TimeWait            0          0             0x0
AckHold           218        177             0x0
SendWnd             0          0             0x0
KeepAlive           0          0             0x0
GiveUp              0          0             0x0
PmtuAger            0          0             0x0
DeadWait            0          0             0x0

iss: 3414928790  snduna: 3414933199  sndnxt: 3414933199     sndwnd:  16384
irs: 1829431676  rcvnxt: 1829435985  rcvwnd:      15928  delrcvwnd:    456

SRTT: 300 ms, RTTO: 607 ms, RTV: 3 ms, KRTT: 0 ms
minRTT: 0 ms, maxRTT: 300 ms, ACK hold: 200 ms
Flags: passive open, nagle, gen tcbs

Datagrams (max data segment is 536 bytes):
Rcvd: 436 (out of order: 0), with data: 218, total data bytes: 4308
Sent: 404 (retransmit: 0, fastretransmit: 0), with data: 219, total data bytes: 4408


More information about the cisco-nsp mailing list