[FROG] [BUG] [BGP] command of `show ip bgp sum` shows ipv6 neighbors in ipv4 address-family
Vijay Kumar Gupta
vijayg at vmware.com
Wed Aug 5 17:10:14 UTC 2020
By default ipv6 nbrs are activated in IPv4 address family , you will have to disable them explicitly
“no neighbor xx::xx activate”
Thanks,
Vijay
From: frog <frog-bounces at lists.frrouting.org> On Behalf Of Simon Jones
Sent: 30 July 2020 12:04
To: frog <frog at lists.frrouting.org>
Subject: Re: [FROG] [BUG] [BGP] command of `show ip bgp sum` shows ipv6 neighbors in ipv4 address-family
```
dut-testbed(config-router-af)# do show ru
Building configuration...
Current configuration:
!
frr version 7.2.1-sonic
frr defaults traditional
hostname sonic
hostname dut-testbed
service integrated-vtysh-config
!
router bgp 65100
neighbor 10.0.0.57 remote-as 64600
neighbor 10.0.0.57 description ARISTA01T1
neighbor 10.0.0.57 timers 3 10
neighbor 10.0.0.59 remote-as 64600
neighbor 10.0.0.59 description ARISTA02T1
neighbor 10.0.0.59 timers 3 10
neighbor 10.0.0.61 remote-as 64600
neighbor 10.0.0.61 description ARISTA03T1
neighbor 10.0.0.61 timers 3 10
neighbor 10.0.0.63 remote-as 64600
neighbor 10.0.0.63 description ARISTA04T1
neighbor 10.0.0.63 timers 3 10
neighbor fc00::72 remote-as 64600
neighbor fc00::76 remote-as 64600
neighbor fc00::76 description ARISTA02T1
neighbor fc00::76 timers 3 10
neighbor fc00::7a remote-as 64600
neighbor fc00::7a description ARISTA03T1
neighbor fc00::7a timers 3 10
neighbor fc00::7e remote-as 64600
neighbor fc00::7e description ARISTA04T1
neighbor fc00::7e timers 3 10
!
address-family ipv4 unicast
network 10.1.0.32/32<https://nam04.safelinks.protection.outlook.com/?url=http%3A%2F%2F10.1.0.32%2F32&data=02%7C01%7Cvijayg%40vmware.com%7C1092a07a4dd04fdafc6b08d83961ba9e%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C0%7C0%7C637322439206005900&sdata=5MAyiEynkiGqHrH%2FUAARs5QuPm5MC1MoJ4JG9dCIQWI%3D&reserved=0>
network 192.168.0.0/21<https://nam04.safelinks.protection.outlook.com/?url=http%3A%2F%2F192.168.0.0%2F21&data=02%7C01%7Cvijayg%40vmware.com%7C1092a07a4dd04fdafc6b08d83961ba9e%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C0%7C0%7C637322439206015894&sdata=AFBzdJ0eKqFqyGYQ%2BGnavmnbjcGKp1iYr0GJXLqlu5k%3D&reserved=0>
exit-address-family
!
address-family ipv6 unicast
network fc00:1::32/128
neighbor fc00::72 activate
neighbor fc00::76 activate
neighbor fc00::7a activate
neighbor fc00::7e activate
exit-address-family
!
line vty
!
end
```
----
Simon Jones
Simon Jones <batmanustc at gmail.com<mailto:batmanustc at gmail.com>> 于2020年7月30日周四 下午2:31写道：
Hi all,
I'm using frr-7.2.1-s3, I found command of `show ip bgp sum` shows ipv6 neighbors in ipv4 address-family, like this.
Is this a bug?
```
dut-testbed(config-router)# do show ip bgp ipv6 summary
IPv6 Unicast Summary:
BGP router identifier 10.1.0.32, local AS number 65100 vrf-id 0
BGP table version 13313
RIB entries 12007, using 2158 KiB of memory
Peers 3, using 61 KiB of memory
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
fc00::76 4 64600 3606 6686 0 0 0 00:20:06 6002
fc00::7a 4 64600 3605 6686 0 0 0 00:20:06 6002
fc00::7e 4 64600 3605 6686 0 0 0 00:20:05 6002
Total number of neighbors 3
dut-testbed(config-router)# do show ip bgp ipv4 summary
IPv4 Unicast Summary:
BGP router identifier 10.1.0.32, local AS number 65100 vrf-id 0
BGP table version 12008
RIB entries 12011, using 2158 KiB of memory
Peers 8, using 163 KiB of memory
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
10.0.0.57 4 64600 3610 3414 0 0 0 00:20:17 6002
10.0.0.59 4 64600 3610 3417 0 0 0 00:20:17 6002
10.0.0.61 4 64600 3610 3417 0 0 0 00:20:17 6002
10.0.0.63 4 64600 3610 3414 0 0 0 00:20:17 6002
fc00::72 4 64600 6 18 0 0 0 never Idle
fc00::76 4 64600 3609 6690 0 0 0 00:20:15 NoNeg
fc00::7a 4 64600 3609 6690 0 0 0 00:20:15 NoNeg
fc00::7e 4 64600 3608 6689 0 0 0 00:20:14 NoNeg
Total number of neighbors 8
dut-testbed(config-router)# address-family ipv6
dut-testbed(config-router-af)# neighbor fc00::72 activate
dut-testbed(config-router-af)# do show ip bgp ipv4 summary
IPv4 Unicast Summary:
BGP router identifier 10.1.0.32, local AS number 65100 vrf-id 0
BGP table version 12008
RIB entries 12011, using 2158 KiB of memory
Peers 8, using 163 KiB of memory
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
10.0.0.57 4 64600 3617 3421 0 0 0 00:20:39 6002
10.0.0.59 4 64600 3617 3424 0 0 0 00:20:39 6002
10.0.0.61 4 64600 3617 3424 0 0 0 00:20:39 6002
10.0.0.63 4 64600 3617 3421 0 0 0 00:20:39 6002
fc00::72 4 64600 6 18 0 0 0 never Idle
fc00::76 4 64600 3616 6697 0 0 0 00:20:37 NoNeg
fc00::7a 4 64600 3616 6697 0 0 0 00:20:37 NoNeg
fc00::7e 4 64600 3616 6697 0 0 0 00:20:36 NoNeg
Total number of neighbors 8
dut-testbed(config-router-af)# do show ip bgp ipv4 summary
IPv4 Unicast Summary:
BGP router identifier 10.1.0.32, local AS number 65100 vrf-id 0
BGP table version 12008
RIB entries 12011, using 2158 KiB of memory
Peers 8, using 163 KiB of memory
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
10.0.0.57 4 64600 3618 3422 0 0 0 00:20:41 6002
10.0.0.59 4 64600 3618 3425 0 0 0 00:20:41 6002
10.0.0.61 4 64600 3618 3425 0 0 0 00:20:41 6002
10.0.0.63 4 64600 3618 3422 0 0 0 00:20:41 6002
fc00::72 4 64600 3212 20 0 0 0 00:00:01 NoNeg
fc00::76 4 64600 3617 6698 0 0 0 00:20:39 NoNeg
fc00::7a 4 64600 3616 6698 0 0 0 00:20:39 NoNeg
fc00::7e 4 64600 3616 6698 0 0 0 00:20:38 NoNeg
```
----
Simon Jones
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