Experiencing an odd issue with only IPv6 sessions, on snapshots from Sept. 9th
or later. I have 46 other instances running snapshots from Aug 30th to Sept.
3rd with IPv6 sessions working as expected.
Please let me know what, if any, additional information can be provided.
Sep 18 19:06:10 nairobi bgpd[92056]: startup
Sep 18 19:06:10 nairobi bgpd[92056]: rereading config
Sep 18 19:06:10 nairobi bgpd[97583]: route decision engine ready
Sep 18 19:06:10 nairobi bgpd[99160]: session engine ready
Sep 18 19:06:10 nairobi bgpd[99160]: listening on 0.0.0.0
Sep 18 19:06:10 nairobi bgpd[99160]: listening on ::
Sep 18 19:06:10 nairobi bgpd[99160]: SE reconfigured
Sep 18 19:06:10 nairobi bgpd[99160]: neighbor 2xxxx:xxxx::4 (nbo-v6): state
change None -> Idle, reason: None
Sep 18 19:06:10 nairobi bgpd[99160]: neighbor 2xxxx:xxxx::4 (nbo-v6): state
change Idle -> Connect, reason: Start
Sep 18 19:06:10 nairobi bgpd[97583]: change to/from route-collector mode ignored
Sep 18 19:06:10 nairobi bgpd[97583]: RDE reconfigured
Sep 18 19:06:10 nairobi bgpd[97583]: running softreconfig in
Sep 18 19:06:10 nairobi bgpd[99160]: neighbor 2xxxx:xxxx::4 (nbo-v6): state
change Connect -> OpenSent, reason: Connection opened
Sep 18 19:06:10 nairobi bgpd[97583]: RDE soft reconfiguration done
Sep 18 19:06:10 nairobi bgpd[99160]: neighbor 2xxxx:xxxx::4 (nbo-v6): state
change OpenSent -> OpenConfirm, reason: OPEN message received
Sep 18 19:06:10 nairobi bgpd[99160]: neighbor 2xxxx:xxxx::4 (nbo-v6): state
change OpenConfirm -> Established, reason: KEEPALIVE message received
Sep 18 19:06:10 nairobi bgpd[97583]: neighbor 2xxxx:xxxx::4 (nbo-v6): sending
IPv6 unicast EOR marker
Sep 18 19:06:12 nairobi bgpd[97583]: neighbor 2xxxx:xxxx::4 (nbo-v6): bad
ASPATH, path invalidated and prefix withdrawn
Sep 18 19:06:12 nairobi last message repeated 157 times
Sep 18 19:06:12 nairobi bgpd[92056]: peer closed imsg connection
Sep 18 19:06:12 nairobi bgpd[99160]: peer closed imsg connection
Sep 18 19:06:12 nairobi bgpd[99160]: SE: Lost connection to RDE
Sep 18 19:06:12 nairobi bgpd[99160]: peer closed imsg connection
Sep 18 19:06:12 nairobi bgpd[99160]: SE: Lost connection to RDE control
Sep 18 19:06:12 nairobi bgpd[92056]: main: Lost connection to RDE
Sep 18 19:06:12 nairobi bgpd[92056]: session engine terminated; signal 11
Sep 18 19:06:12 nairobi bgpd[92056]: route decision engine terminated; signal 11
Sep 18 19:06:12 nairobi bgpd[92056]: terminating
nairobi# sysctl kern.version
kern.version=OpenBSD 6.4-beta (GENERIC.MP) #301: Tue Sep 18 08:25:16 MDT 2018
[email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
nairobi# bgpd -nv
ASN = "57335"
AS 57335
router-id 203.0.113.42
socket "/var/run/bgpd.sock.0"
socket "/var/www/run/bgpd.rsock" restricted
holdtime min 3
route-collector yes
fib-priority 48
prefix-set "anycast" {
2a0c:d2c0::/29, 185.203.204.0/22
}
prefix-set "bogons" {
0.0.0.0/8, 10.0.0.0/8
100.64.0.0/10, 127.0.0.0/8
169.254.0.0/16, 172.16.0.0/12
192.0.2.0/24, 192.88.99.0/24
192.168.0.0/16, 198.18.0.0/15
198.51.100.0/24, 203.0.113.0/24
224.0.0.0/4, 240.0.0.0/4
::/8, 100::/64
2001:2::/48, 2001:10::/28
2001:db8::/32, 2002::/16
3ffe::/16, fc00::/7
fe80::/10, fec0::/10
ff00::/8
}
network 2a0c:d2c0::/48
network 185.203.204.0/23
rde rib Adj-RIB-In no evaluate
rde rib Adj-RIB-Out no evaluate
rde rib Loc-RIB rtable 0 fib-update no
dump table-v2 "/tmp/table-%Y-%m-%d" 1440
dump updates in "/tmp/updates-%Y-%m-%d-%H%M" 300
group "AS37684" {
neighbor 2xxx:xxxx::4 {
descr "nbo-v6"
remote-as 37684
multihop 5
local-address 2xxx:xxxx::1:0:115:93
enforce neighbor-as yes
enforce local-as yes
announce IPv6 unicast
}
}
match to ebgp prefix-set "anycast" set { large-community 57335:1:1 }
allow to ebgp prefix-set "anycast" large-community 57335:1:1
deny quick from ebgp prefix-set "anycast" or-longer
allow from ibgp
allow to ibgp
match from ebgp set { community delete 57335:* }
match from ebgp set { large-community delete 57335:*:* }
allow from any prefix 0.0.0.0/0 prefixlen 8 - 24
allow from any prefix ::/0 prefixlen 16 - 48
match from any community 65535:0 set { localpref 0 }
deny quick from any prefix-set "bogons" or-longer
deny quick from any AS 23456
deny quick from any AS 64496 - 131071
deny quick from any AS 4200000000 - 4294967295
deny from any max-as-len 100
