2 routers connected through switch
Router P2 sending ipv6 prefixes but not ipv4
I tried resetting connections and I took out prefix lists on side of P2
Im am wondering if someone sees something I don't.
P2
sh ip bgp neighbors:
BGP neighbor is 100.127.1.254, remote AS 65534, external link
Description: eBGP with IXP RS
BGP version 4, remote router ID 100.127.1.254
BGP state = Established, up for 00:14:07
Last read 00:00:06, last write 00:00:01, hold time is 180, keepalive interval is 60 seconds
Neighbor capabilities:
Route refresh: advertised and received(new)
New ASN Capability: advertised
Address family IPv4 Unicast: advertised and received
Message statistics:
InQ depth is 0
OutQ depth is 0
Sent Rcvd
Opens: 2 2
Notifications: 0 0
Updates: 3 6
Keepalives: 60 63
Route Refresh: 1 0
Total: 66 71
Default minimum time between advertisement runs is 30 seconds
For address family: IPv4 Unicast
BGP table version 9, neighbor version 9/0
Output queue size : 0
Index 3, Offset 0, Mask 0x8
3 update-group member
Inbound soft reconfiguration allowed
Incoming update prefix filter list is IXP-RS
Outgoing update prefix filter list is AS20-block
Sent Rcvd
Prefix activity: ---- ----
Prefixes Current: 0 2 (Consumes 156 bytes)
Prefixes Total: 0 2
Implicit Withdraw: 0 0
Explicit Withdraw: 0 0
Used as bestpath: n/a 2
Used as multipath: n/a 0
Saved (soft-reconfig): n/a 1 (Consumes 52 bytes)
Outbound Inbound
Local Policy Denied Prefixes: -------- -------
prefix-list 0 1
Bestpath from this peer: 4 n/a
Total: 4 1
Number of NLRIs in the update sent: max 2, min 1
Address tracking is enabled, the RIB does have a route to 100.127.1.254
Connections established 2; dropped 1
Last reset 00:14:36, due to Interface flap
Transport(tcp) path-mtu-discovery is enabled
Connection state is ESTAB, I/O status: 1, unread input bytes: 0
Connection is ECN Disabled, Mininum incoming TTL 0, Outgoing TTL 1
Local host: 100.127.1.2, Local port: 52402
Foreign host: 100.127.1.254, Foreign port: 179
Connection tableid (VRF): 0
Enqueued packets for retransmit: 0, input: 0 mis-ordered: 0 (0 bytes)
Event Timers (current time is 0x28F4BB4):
Timer Starts Wakeups Next
Retrans 18 0 0x0
TimeWait 0 0 0x0
AckHold 17 14 0x0
SendWnd 0 0 0x0
KeepAlive 0 0 0x0
GiveUp 0 0 0x0
PmtuAger 2 1 0x294A6EC
DeadWait 0 0 0x0
Linger 0 0 0x0
ProcessQ 0 0 0x0
iss: 1512681663 snduna: 1512682021 sndnxt: 1512682021 sndwnd: 16027
irs: 101345085 rcvnxt: 101345553 rcvwnd: 15917 delrcvwnd: 467
SRTT: 273 ms, RTTO: 490 ms, RTV: 217 ms, KRTT: 0 ms
minRTT: 12 ms, maxRTT: 300 ms, ACK hold: 200 ms
Status Flags: active open
Option Flags: nagle, path mtu capable, md5
IP Precedence value : 6
Datagrams (max data segment is 1460 bytes):
Rcvd: 32 (out of order: 0), with data: 19, total data bytes: 467
Sent: 33 (retransmit: 0, fastretransmit: 0, partialack: 0, Second Congestion: 0), with data: 17, total data bytes: 357
Packets received in fast path: 0, fast processed: 0, slow path: 0
fast lock acquisition failures: 0, slow path: 0
P2 Sh run
P2#sh run
Building configuration...
Current configuration : 4599 bytes
!
upgrade fpd auto
version 12.4
service timestamps debug datetime msec localtime show-timezone year
service timestamps log datetime msec localtime show-timezone year
service password-encryption
!
hostname P2
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
!
aaa new-model
!
!
!
!
aaa session-id common
no ip source-route
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
ip domain name ws.nsrc.org
ipv6 unicast-routing
no ipv6 source-route
ipv6 cef
!
multilink bundle-name authenticated
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
archive
log config
hidekeys
!
!
!
!
!
ip tcp synwait-time 5
ip tcp path-mtu-discovery
!
!
!
!
interface Loopback0
description Loopback On Said Router
ip address 100.68.2.3 255.255.255.255
ipv6 address 2001:DB8:2::3/128
!
interface FastEthernet0/0
description BackBone link to Core
ip address 100.68.2.19 255.255.255.254
no ip redirects
no ip proxy-arp
ip router isis as20
duplex half
ipv6 address 2001:DB8:2:11::1/127
ipv6 nd prefix default no-advertise
ipv6 nd ra suppress
ipv6 router isis as20
isis network point-to-point
isis metric 2
isis ipv6 metric 2
!
interface FastEthernet1/0
description ASX0 link to IXP
ip address 100.127.1.2 255.255.255.0
no ip redirects
no ip proxy-arp
duplex auto
speed auto
ipv6 address 2001:DB8:FFFF:1::2/64
ipv6 nd prefix default no-advertise
ipv6 nd ra suppress
!
interface FastEthernet1/1
description Link to Group AS 30 Peer-Router
ip address 100.68.2.16 255.255.255.254
no ip redirects
no ip proxy-arp
duplex auto
speed auto
ipv6 nd prefix default no-advertise
ipv6 nd ra suppress
!
router isis as20
net 49.0001.0002.0003.00
is-type level-2-only
metric-style wide
set-overload-bit on-startup wait-for-bgp
log-adjacency-changes all
metric 100000
passive-interface FastEthernet1/0
passive-interface Loopback0
!
address-family ipv6
multi-topology
set-overload-bit on-startup wait-for-bgp
metric 100000
exit-address-family
!
router isis 20
is-type level-1
!
router bgp 20
no bgp default ipv4-unicast
no bgp enforce-first-as
bgp log-neighbor-changes
bgp deterministic-med
bgp bestpath compare-routerid
neighbor ibgp-rr peer-group
neighbor ibgp-rr remote-as 20
neighbor ibgp-rr description iBGP with RR
neighbor ibgp-rr update-source Loopback0
neighbor ibgpv6-rr peer-group
neighbor ibgpv6-rr remote-as 20
neighbor ibgpv6-rr description iBGP with RR
neighbor ibgpv6-rr update-source Loopback0
neighbor 2001:DB8:2::2 peer-group ibgpv6-rr
neighbor 2001:DB8:2::2 description iBGP with Core
neighbor 2001:DB8:FFFF:1::FE remote-as 65534
neighbor 2001:DB8:FFFF:1::FE description eBGP with IXP RS
neighbor 2001:DB8:FFFF:1::FE password 7 0828545E440B16
neighbor 100.68.2.2 peer-group ibgp-rr
neighbor 100.68.2.2 description iBGP with Core
neighbor 100.68.3.16 remote-as 30
neighbor 100.68.3.16 description eBGP with AS30
neighbor 100.127.1.254 remote-as 65534
neighbor 100.127.1.254 description eBGP with IXP RS
neighbor 100.127.1.254 password 7 0706395C031B0A
!
address-family ipv4
neighbor ibgp-rr send-community
neighbor ibgp-rr next-hop-self
neighbor 100.68.2.2 activate
neighbor 100.68.3.16 activate
neighbor 100.127.1.254 activate
neighbor 100.127.1.254 soft-reconfiguration inbound
neighbor 100.127.1.254 prefix-list IXP-RS in
neighbor 100.127.1.254 prefix-list AS20-block out
distance bgp 200 200 200
no auto-summary
no synchronization
exit-address-family
!
address-family ipv6
neighbor ibgpv6-rr send-community
neighbor ibgpv6-rr next-hop-self
neighbor 2001:DB8:2::2 activate
neighbor 2001:DB8:FFFF:1::FE activate
neighbor 2001:DB8:FFFF:1::FE prefix-list IXP-v6RS in
neighbor 2001:DB8:FFFF:1::FE prefix-list AS20-v6block out
distance bgp 200 200 200
exit-address-family
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 Null0
ip route 100.68.3.16 255.255.255.255 FastEthernet1/1
no ip http server
no ip http secure-server
!
!
!
!
ip prefix-list IXP-RS description IPv4 Prefixes from Route-Server
ip prefix-list IXP-RS seq 5 permit 100.68.3.0/24
ip prefix-list IXP-RS seq 10 permit 100.68.4.0/24
ip prefix-list IXP-RS seq 15 permit 100.68.5.0/24
no cdp log mismatch duplex
ipv6 route ::/0 Null0
!
!
ipv6 prefix-list AS20-v6block seq 5 permit 2001:DB8:2::/48
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
gatekeeper
shutdown
!
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
transport preferred none
stopbits 1
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
transport preferred none
stopbits 1
line vty 0 4
transport preferred none
!
end
Route_Server#sh run
Building configuration...
Current configuration : 3069 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname Route_Server
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
ipv6 unicast-routing
!
multilink bundle-name authenticated
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
archive
log config
hidekeys
!
!
!
!
ip tcp synwait-time 5
!
!
!
!
interface FastEthernet0/0
ip address 100.127.1.254 255.255.255.0
no ip redirects
no ip proxy-arp
duplex auto
speed auto
ipv6 address 2001:DB8:FFFF:1::FE/64
ipv6 nd prefix default no-advertise
ipv6 nd ra suppress
!
interface Serial0/0
no ip address
shutdown
clock rate 2000000
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
interface FastEthernet1/0
no ip address
shutdown
duplex auto
speed auto
!
interface FastEthernet2/0
no ip address
shutdown
duplex auto
speed auto
!
router bgp 65534
bgp log-neighbor-changes
neighbor 2001:DB8:FFFF:1::2 remote-as 20
neighbor 2001:DB8:FFFF:1::2 description IPv6 eBGP with AS20
neighbor 2001:DB8:FFFF:1::2 password ixp-rs
neighbor 2001:DB8:FFFF:1::3 remote-as 30
neighbor 2001:DB8:FFFF:1::3 description IPv6 eBGP with AS30
neighbor 2001:DB8:FFFF:1::3 password ixp-rs
neighbor 2001:DB8:FFFF:1::4 remote-as 40
neighbor 2001:DB8:FFFF:1::4 description IPv6 eBGP with AS40
neighbor 2001:DB8:FFFF:1::4 password ixp-rs
neighbor 2001:DB8:FFFF:1::5 remote-as 50
neighbor 100.68.1.2 remote-as 20
neighbor 100.127.1.2 remote-as 20
neighbor 100.127.1.2 description eBGP with AS20
neighbor 100.127.1.2 password ixp-rs
neighbor 100.127.1.3 remote-as 30
neighbor 100.127.1.3 description eBGP with AS30
neighbor 100.127.1.3 password ixp-rs
neighbor 100.127.1.4 remote-as 40
neighbor 100.127.1.4 description eBGP with AS40
neighbor 100.127.1.4 password ixp-rs
neighbor 100.127.1.5 remote-as 50
neighbor 100.127.1.5 description eBGP with AS50
neighbor 100.127.1.5 password ixp-rs
!
address-family ipv4
no neighbor 2001:DB8:FFFF:1::2 activate
no neighbor 2001:DB8:FFFF:1::3 activate
no neighbor 2001:DB8:FFFF:1::4 activate
no neighbor 2001:DB8:FFFF:1::5 activate
neighbor 100.68.1.2 activate
neighbor 100.68.1.2 soft-reconfiguration inbound
neighbor 100.127.1.2 activate
neighbor 100.127.1.3 activate
neighbor 100.127.1.4 activate
neighbor 100.127.1.5 activate
no auto-summary
no synchronization
exit-address-family
!
address-family ipv6
neighbor 2001:DB8:FFFF:1::2 activate
neighbor 2001:DB8:FFFF:1::3 activate
neighbor 2001:DB8:FFFF:1::4 activate
neighbor 2001:DB8:FFFF:1::5 activate
exit-address-family
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 Null0
!
!
no ip http server
no ip http secure-server
!
no cdp log mismatch duplex
ipv6 route ::/0 Null0
!
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
!
end
Route_Server#$
