07-27-2022 11:21 PM
Hi all,
In the BGP table, BGP is Established but peer IP is not pinging. what is the reason behind that? why peer is not pinging
kindly suggest the same
LOGS:-
BGP local router ID : 172.19.0.26
Local AS number : 64007
Total number of peers : 8 Peers in established state : 7
* - Dynamically created peer
Peer AS MsgRcvd MsgSent OutQ PrefRcv Up/Down State
172.24.17.14 9234 1353 47 0 15331 00:16:59 Established
<R01>ping 172.24.17.14
PING 172.24.17.14: 56 data bytes, press CTRL_C to break
Request time out
Request time out
Request time out
Request time out
Request time out
--- 172.24.17.14 ping statistics ---
5 packet(s) transmitted
0 packet(s) received
100.00% packet loss
%Jul 28 11:27:30:212 2022 R01 BGP/5/BGP_STATE_CHANGED:
172.24.15.14 state is changed from OPENCONFIRM to ESTABLISHED.
07-28-2022 12:02 AM
Hello,
hard to say without seeing the configs of both peers, can you post those (sh run) ?
07-28-2022 12:38 AM
<MHMUMDOPDAK1MR01>dis cu configuration bgp
#
bgp 65001
router-id 172.19.0.26
preference 120 120 100
network 0.0.0.0
import-route direct
import-route static
import-route ospf 1
import-route ospf 40
import-route ospf 10
undo synchronization
peer 172.16.16.186 as-number 65001
peer 172.16.17.5 as-number 9583
peer 172.24.17.14 as-number 9829
peer 172.16.18.66 as-number 9730
peer 172.16.18.193 as-number 9730
peer 172.16.18.198 as-number 65200
peer 172.16.18.206 as-number 65032
peer 172.16.18.222 as-number 65056
peer 172.16.16.186 description IBGP-Peering
peer 172.16.16.186 route-policy IBGP-ROUTE-FILTER export
peer 172.16.16.186 password cipher $c$3$M7xAXabRIQEvNvqGfe04b+H1fx9my4YyNq4TzO9EmjzPqQOTLM8=
peer 172.16.16.186 next-hop-local
peer 172.16.17.5 description SIFY peering
peer 172.16.17.5 route-policy SIFYOUT export
peer 172.16.17.5 route-policy LPF500 import
peer 172.16.17.5 password cipher $c$3$o7biAAHHgpgIftpURxw+b/h6ebC5hUEemTATPlE/9weYFE0=
peer 172.16.17.5 ignore
peer 172.24.17.14 description BSNL Peering
peer 172.24.17.14 route-policy BSNLOUT export
peer 172.24.17.14 route-policy LPF700 import
peer 172.24.17.14 password cipher $c$3$4uybOceeZhatUdmfdVS7yK4LtqpGgAwJBpwDL/mzh8dV0Mc=
peer 172.16.18.66 description RSI-LINK-PEERING
peer 172.16.18.66 route-policy RSI-PREFIX-OUT export
peer 172.16.18.66 route-policy RSI-PREFIX-IN import
peer 172.16.18.66 password cipher $c$3$YU3Z/ZmHv+hXhihuKT/TU77FIj8+M0VsQ33EJ30Whik3dhI=
peer 172.16.18.193 description RH-HELPDESK-LINK
peer 172.16.18.193 route-policy RH-PREFIX-OUT export
peer 172.16.18.193 route-policy RH-PREFIX-IN import
peer 172.16.18.193 password cipher $c$3$ZHOKHNS7kOEUcIUeXIzrWhr+dbmVXJ3Sq8RQStY=
peer 172.16.18.198 description IPPB-Peering-Pry
peer 172.16.18.198 route-policy IPPB-PREFIX-OUT export
peer 172.16.18.198 route-policy IPPB-PREFIX-IN import
peer 172.16.18.198 route-limit 700
peer 172.16.18.198 password cipher $c$3$CFe0aG8/H2vLI7YSU52IT9wyswG1rJx6Il18
peer 172.16.18.206 description LYRA-Peering-Pry
peer 172.16.18.206 route-policy LYRA-PREFIX-OUT export
peer 172.16.18.206 route-policy LYRA-PREFIX-IN import
peer 172.16.18.206 route-limit 100
peer 172.16.18.206 password cipher $c$3$drBUmbsSEF9ZBNs/7iAiD1rAqmpE/letaH+sirDpJH/jNqc=
peer 172.16.18.222 description TCL-Peering-Pry
peer 172.16.18.222 route-policy TCL-PREFIX-OUT export
peer 172.16.18.222 route-policy TCL-PREFIX-IN import
peer 172.16.18.222 route-limit 700
peer 172.16.18.222 password cipher $c$3$CX8hxtFHZVGnSCaccna3uAmE+N48F9dbcjS5n8viL+SIrUc=
#
ipv6-family
undo synchronization
peer FD00:DA00:EA00:7::CA as-number 65001
peer FD00:DA00:EA00:172:16:17:4:1 as-number 9583
peer FD00:DA00:EA00:172:24:17:12:1 as-number 9829
peer FD00:DA00:EA00:172:24:17:12:2 as-number 9829
peer FD00:DA00:EA00:7::CA description IPv6-IBGP-Peering-MPLS-WAN-ROUTER-2
peer FD00:DA00:EA00:7::CA password cipher $c$3$zVfH9xsNzcHNSevbnopR2kfFdNmSQg9QwDHYSOP7NjCFSJtMW/o=
peer FD00:DA00:EA00:7::CA next-hop-local
peer FD00:DA00:EA00:172:16:17:4:1 description SIFY-V6 Peering
peer FD00:DA00:EA00:172:16:17:4:1 route-policy LPF500 import
peer FD00:DA00:EA00:172:16:17:4:1 password cipher $c$3$a/NUoA7RO7a7YHbiPHiN1V9lNnwmHDNWOAH1KUEu9nyQ88E=
peer FD00:DA00:EA00:172:24:17:12:2 description BSNL-V6 Peering
peer FD00:DA00:EA00:172:24:17:12:2 route-policy LPF700 import
peer FD00:DA00:EA00:172:24:17:12:2 password cipher $c$3$RxPWLNo2TkOsXRVBEVYQ585++cgqAXVdvTpz6PCcc6ZotK8=
07-28-2022 12:07 AM
BGP uses TCP to establish a peering so it could be that an acl is allowing TCP but blocking ICMP.
Jon
07-28-2022 12:12 AM
ping 172.24.17.14 source 172.19.0.26
Try this
07-28-2022 12:36 AM
<MHMUMDOPDAK1MR01>ping -a 172.24.17.14 172.19.0.26
PING 172.16.0.2: 56 data bytes, press CTRL_C to break
Request time out
Request time out
Request time out
Request time out
Request time out
--- 172.19.0.26 ping statistics ---
5 packet(s) transmitted
0 packet(s) received
100.00% packet loss
07-28-2022 12:41 AM
Hello,
post the full running configs (sh run) of both peers...
07-28-2022 01:07 AM
Show ip route 172.24.17.14 longest
The egress interface appear here, using it ip as source of ping and I am sure youn success.
Discover and save your favorite ideas. Come back to expert answers, step-by-step guides, recent topics, and more.
New here? Get started with these tips. How to use Community New member guide