Users Guide

Table 8. BGP system log messages (continued)
System log message Severity Description Recommended action
connectivity lost/fall-over
for Nbr over:%s VRF:%s"
NOTE: VRF %s denotes VRF
<vrf_name> Nbr:%s denotes
Nbr IP or unnumbered peer
interface name
%BGP_NBR_BKWD_STATE_CH
G: Backward state change
occurred OPEN ERR: %s
Critical Connection with BGP neighbor is
closed due to error in one of the
attributes/options received in OPEN
message. VRF %s Connection
with neighbor over %s
closed. 1. "BAD Version
recvd from Nbr over:%s
VRF:%s" 2. "BAD AS recvd
from Nbr:%s VRF:%s" 3. "BAD
HOLD time recvd from Nbr:%s
VRF:%s" 4. "BAD BGP ID
recvd from Nbr:%s VRF:%s"
5. "Unsupported options
recvd from Nbr:%s VRF:%s"
6. "Authentication failure
for Nbr:%s VRF:%s" 7. "Bad
AFI Cfg from Nbr:%s VRF:%s"
8. "Open Error recvd from
Nbr:%s VRF:%s" NOTE: VRF
%s denotes VRF <vrf_name>
Nbr:%s denotes Nbr IP or
unnumbered peer interface
name
Check the connectivity and
contact Technical Support, if
required.
%BGP_NBR_BKWD_STATE_CH
G: Backward state change
occurred UPDATE ERR: %s
Critical Connection with BGP neighbor
is closed due to error in
one of the attributes in
UPDATE message. ADJCHANGE:
VRF %s Connection with
neighbor over %s closed.
1. "Malformed Attrbute
rcvd from Nbr over:%s
VRF:%s" 2. "UNR well-known
attribute rcvd from Nbr
over:%s VRF:%s" 3. "missing
well-known attribute from
Nbr over:%s VRF:%s" 4.
"Attribute flag error rcvd
from Nbr over:%s VRF:%s"
5. "attribute len err rcvd
from Nbr over:%s VRF:%s" 6.
"Invalid origin attribute
rcvd from Nbr over:%s
VRF:%s" 7. "Routing loop
detected for Nbr over:%s
VRF:%s" 8. "Invalid nexthop
recvd from Nbr over:%s
VRF:%s" 9. "optional
attribute err rcvd from
Nbr over:%s VRF:%s" 10.
"Invalid network field
rcvd from Nbr over:%s
VRF:%s" 11. "Malformed
AS_PATH attribute rcvd from
Nbr over:%s VRF:%s" 12.
Verify the configuration
and correct (if required)the
configuration related to error
message and if the issue
still persists, contact support
team.
22 BGP system log message reference