[IXP CABASE UAQ ] Homologacion Switch DELL
Andres Pugawko
andres en cabase.org.ar
Jue Ene 9 17:03:00 -03 2020
Estimados,
Les acerco mis comentarios sobre la homologacion de los
switches DELL S4112F-ON.
Se realizaron pruebas de Switching y Routing para probar
como exporta los flujos de SFLOW, que se utiliza para la medición del
trafico de las CDNs desde Ruteo Central, y comprobamos que falta
información cuando el equipo enviá las estadísticas. Concretamente omite
las vlans cuando el port es un access y los datos de IP Next-Hop , ASN
Origen, ASN Destino cuando rutea.
Si lo traducimos al castellano, en el contexto del IXP, no podríamos
determinar a quien entrega trafico el Cache de Google, dado que usamos
IP Next-Hop para determinar quien es el miembro.
Debajo dejo los datos de las pruebas.
# sflow de paquetes ruteados en dell - registro paquete de ida y de vuelta
Flow Record:
Flags = 0x80 FLOW, Sampled
export sysid = 2
size = 108
first = 1578595225 [2020-01-09 15:40:25]
last = 1578595225 [2020-01-09 15:40:25]
msec_first = 567
msec_last = 567
src addr = 192.168.78.2
dst addr = 192.168.77.1
ICMP = 0.0 type.code
fwd status = 0
tcp flags = 0x00 ......
proto = 1 ICMP
(src)tos = 0
(in)packets = 4096
(in)bytes = 417792
input = 14
output = 23
src as = 0
dst as = 0
src mask = 0 /0
dst mask = 0 /0
dst tos = 0
direction = 0
src vlan = 0
dst vlan = 0
in src mac = 3c:2c:30:a8:0e:3c
out dst mac = 20:04:0f:25:9c:d9
received at = 1578595225567 [2020-01-09 15:40:25.567]
ip next hop = 0.0.0.0
bgp next hop = 0.0.0.0
ip router = 200.9.157.195
Flow Record:
Flags = 0x80 FLOW, Sampled
export sysid = 2
size = 108
first = 1578595223 [2020-01-09 15:40:23]
last = 1578595223 [2020-01-09 15:40:23]
msec_first = 438
msec_last = 438
src addr = 192.168.77.1
dst addr = 192.168.78.2
ICMP = 0.0 type.code
fwd status = 0
tcp flags = 0x00 ......
proto = 1 ICMP
(src)tos = 0
(in)packets = 4096
(in)bytes = 434176
input = 23
output = 14
src as = 0
dst as = 0
src mask = 0 /0
dst mask = 0 /0
dst tos = 0
direction = 0
src vlan = 977
dst vlan = 0
in src mac = 44:1e:a1:3b:27:13
out dst mac = 20:04:0f:25:9c:d9
received at = 1578595223438 [2020-01-09 15:40:23.438]
ip next hop = 0.0.0.0
bgp next hop = 0.0.0.0
ip router = 200.9.157.195
-->
# int 14=1/1/2 vlan 978 --> ruteado
# registra vlan solo cuando src es una trunk (tanto en paquetes
switcheados como ruteados)
# falta src as, dst as, src mask, dst mask, ip next hop --> no sirve
para hacer seguimiento de flujos ruteados
Por otro lado se instalaron diversos módulos SFP SM LR de 1 Gbps en sus
versiones Cobre y Fibra, de las marcas Cisco y OSI HW (CIsco Compatible)
, sin que el switch los detecte. Me comunique con el proveedor y me
comento que no todos los módulos son compatibles con el switch sino que
hay un listado de los certificados por DELL que adjunto al mail.
Lo mismo sucedió con los módulos QSFP28 de 100 GB, probe unos módulos
genéricos Huawei Compatibles y el switch no los detecta, intentamos
utilizar los cables DAC provistos por DELL y el Huawei no lo detecta. El
proveedor me confirmo que solo se pueden utilizar módulos DELL en estos
equipos.
En cambio si funcionaron correctamente los SFP+ 10 Gb de marca Cisco,
Huawei y Genericos. Que forzándolos a 1 Gbps resolvería la limitación
planteada anteriormente.
Como conclusión, no recomendamos su adquisición hasta que el proveedor
nos aporte una solucion al tema del SFLOW y les recomendaría analicen
otras opciones ya probadas como el Huawei S5720-54C-EI.
Quedo a su disposición, los saluda cordialmente..
Andres Pugawko
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Debian GNU/Linux 9
Dell EMC Networking Operating System (OS10)
Linux DEL-SWT-03 4.9.168 #1 SMP Debian 4.9.168-1+deb9u3 x86_64
The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.
Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
-* Dell EMC Network Operating System (OS10) *-
-* *-
-* Copyright (c) 1999-2019 by Dell Inc. All Rights Reserved. *-
-* *-
-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
This product is protected by U.S. and international copyright and
intellectual property laws. Dell EMC and the Dell EMC logo are
trademarks of Dell Inc. in the United States and/or other
jurisdictions. All other marks and names mentioned herein may be
trademarks of their respective companies.
DEL-SWT-03# show version
Dell EMC Networking OS10 Enterprise
Copyright (c) 1999-2019 by Dell Inc. All Rights Reserved.
OS Version: 10.5.0.1P1
Build Version: 10.5.0.1P1.433
Build Time: 2019-09-16T22:01:53+0000
System Type: S4112F-ON
Architecture: x86_64
Up Time: 2 days 22:33:41
DEL-SWT-03# show running-configuration
! Version 10.5.0.1P1
! Last configuration change at Jan 09 18:43:28 2020
!
ip vrf default
!
ip prefix-list no-prefixes description "NO PUBLICA NADA"
ip prefix-list no-prefixes seq 10 deny 0.0.0.0/0
logging console severity log-crit
ip name-server 200.0.17.10 190.210.52.73 8.8.8.8
interface breakout 1/1/13 map 100g-1x
interface breakout 1/1/14 map 100g-1x
interface breakout 1/1/15 map 100g-1x
clock timezone ART -3 0
hostname DEL-SWT-03
iscsi enable
iscsi target port 860
iscsi target port 3260
system-user linuxadmin password $6$5DdOHYg5$JCE1vMSmkQOrbh31U74PIPv7lyOgRmba1IxhkYibppMXs1KM4Y.gbTPcxyMP/PHUkMc5rdk/ZLv9Sfv3ALtB61
username admin password $6$rounds=656000$iLxviB2MUgbQcwao$yJ2vjcgw9p4GFZDnznhe3mC1MpEBSHGj7JopeBnrVan2d5dtwzPMJAZAJP05XhVWLnhDaraUTShvNs3yVIDjc0 role sysadmin priv-lvl 15
username apugawko password $6$rounds=656000$IElObMvSxWdKgogK$kRPp.LmMz2aO8StptYb8Lj8I.biy.x6J2wfhIsP.cEcZlCGF5ondJSZ7ldLUpg/quv.qFujFaHQqsTqTHl0dF/ role sysadmin priv-lvl 15
aaa authentication login default local
aaa authentication login console local
!
class-map type application class-iscsi
!
policy-map type application policy-iscsi
!
interface vlan1
no shutdown
!
interface vlan10
no shutdown
ip address 192.168.10.231/24
!
interface vlan208
description TRUNK_MGT-SWT-02
no shutdown
ip address 200.9.157.195/27
!
interface vlan214
no shutdown
ip address 200.9.157.232/28
!
interface vlan977
no shutdown
ip address 192.168.77.2/24
!
interface vlan978
no shutdown
ip address 192.168.78.1/24
!
interface mgmt1/1/1
description To_MGMT-SWT-02
no shutdown
no ip address dhcp
!
interface ethernet1/1/1
no shutdown
switchport access vlan 10
speed 1000
flowcontrol receive off
flowcontrol transmit off
!
interface ethernet1/1/2
no shutdown
switchport access vlan 978
speed 1000
flowcontrol receive off
flowcontrol transmit off
!
interface ethernet1/1/3
no shutdown
switchport access vlan 1
speed 1000
flowcontrol receive on
!
interface ethernet1/1/4
no shutdown
switchport access vlan 1
flowcontrol receive on
!
interface ethernet1/1/5
no shutdown
switchport access vlan 1
speed 1000
flowcontrol receive on
!
interface ethernet1/1/6
no shutdown
switchport access vlan 1
flowcontrol receive on
!
interface ethernet1/1/7
no shutdown
switchport access vlan 1
flowcontrol receive on
!
interface ethernet1/1/8
no shutdown
switchport access vlan 1
flowcontrol receive on
!
interface ethernet1/1/9
no shutdown
switchport access vlan 1
flowcontrol receive on
!
interface ethernet1/1/10
no shutdown
switchport access vlan 1
flowcontrol receive on
!
interface ethernet1/1/11
no shutdown
switchport mode trunk
switchport trunk allowed vlan 10,208,214,977-978
speed 1000
flowcontrol receive off
flowcontrol transmit off
!
interface ethernet1/1/12
no shutdown
switchport access vlan 1
flowcontrol receive on
!
interface ethernet1/1/13
no shutdown
no switchport
flowcontrol receive on
!
interface ethernet1/1/14
no shutdown
no switchport
flowcontrol receive on
!
interface ethernet1/1/15
no shutdown
switchport access vlan 1
flowcontrol receive on
logging server 200.9.157.196
!
ip route 0.0.0.0/0 200.9.157.193
!
ip access-list MGMT_BLOCK
description "MANAGEMENT_CABASE"
seq 5 permit ip 192.168.10.0/24 any log
seq 15 permit tcp 200.9.157.0/24 any eq 22 log
seq 16 permit tcp 200.9.157.0/24 any eq 23 log
seq 25 permit tcp host 190.192.153.88 any eq 22 log
seq 35 permit tcp 200.0.17.0/28 any eq 22 log
seq 9998 deny udp any host 200.9.157.237 eq 22
seq 9999 deny tcp any host 200.9.157.237 eq 22
!
ip access-list SNMP
description "SNMP_CTGeneral"
!
router bgp 52376
!
address-family ipv4 unicast
!
neighbor 192.168.77.1
description "CONEXION A RCN-ROU-01"
remote-as 52376
send-community extended
no shutdown
!
address-family ipv4 unicast
distribute-list no-prefixes out
soft-reconfiguration inbound
!
sflow enable all-interfaces
sflow polling-interval 60
sflow sample-rate 4096
sflow collector 200.9.157.200 agent-addr 200.9.157.195 64910
sflow collector 200.9.157.236 agent-addr 200.9.157.195 64910
!
line vty
!
snmp-server community CTGeneral ro
snmp-server contact atcentral en nap.cabase.org.ar
snmp-server location Ruteo Central - Argentina
!
telemetry
ntp server 200.0.17.5 prefer
DEL-SWT-03# show ip route
Codes: C - connected
S - static
B - BGP, IN - internal BGP, EX - external BGP
O - OSPF, IA - OSPF inter area, N1 - OSPF NSSA external type 1,
N2 - OSPF NSSA external type 2, E1 - OSPF external type 1,
E2 - OSPF external type 2, * - candidate default,
+ - summary route, > - non-active route
Gateway of last resort is via 200.9.157.193 to network 0.0.0.0
Destination Gateway Dist/Metric Last Change
----------------------------------------------------------------------------------------------------------
*S 0.0.0.0/0 via 200.9.157.193 vlan208 1/0 2 days 22:32:38
B IN 1.0.0.0/24 via 200.9.157.237 200/0 21:57:14
B IN 1.1.1.0/24 via 200.9.157.237 200/0 21:57:14
B IN 2.17.202.0/23 via 200.9.157.237 200/0 21:57:14
B IN 2.18.60.0/22 via 200.9.157.237 200/0 21:57:14
B IN 2.18.236.0/22 via 200.9.157.237 200/0 21:57:14
B IN 2.19.108.0/22 via 200.9.157.237 200/0 21:57:14
B IN 2.19.252.0/23 via 200.9.157.237 200/0 21:57:14
B IN 8.8.4.0/24 via 200.9.157.237 200/0 21:57:14
B IN 8.8.8.0/24 via 200.9.157.237 200/0 21:57:14
B IN 8.31.160.0/24 via 200.9.157.237 200/0 21:57:14
B IN 8.31.161.0/24 via 200.9.157.237 200/0 21:57:14
B IN 8.34.208.0/21 via 200.9.157.237 200/0 21:57:14
B IN 8.34.216.0/21 via 200.9.157.237 200/0 21:57:14
B IN 8.35.192.0/21 via 200.9.157.237 200/0 21:57:14
B IN 8.35.200.0/21 via 200.9.157.237 200/0 21:57:14
B IN 8.37.41.0/24 via 200.9.157.237 200/0 21:57:14
B IN 9.9.9.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.227.69.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.227.70.0/23 via 200.9.157.237 200/0 21:57:14
B IN 13.227.80.0/22 via 200.9.157.237 200/0 21:57:14
B IN 13.227.88.0/21 via 200.9.157.237 200/0 21:57:14
B IN 13.248.104.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.128.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.129.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.130.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.131.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.132.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.133.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.134.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.135.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.136.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.137.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.138.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.139.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.140.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.141.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.142.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.143.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.144.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.145.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.146.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.147.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.148.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.149.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.150.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.151.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.152.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.153.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.154.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.155.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.156.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.157.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.158.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.159.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.160.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.161.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.162.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.163.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.164.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.165.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.166.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.167.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.168.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.169.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.170.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.171.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.172.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.173.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.174.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.175.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.176.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.177.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.178.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.179.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.180.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.181.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.182.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.183.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.184.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.185.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.186.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.187.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.188.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.189.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.190.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.191.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.192.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.193.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.194.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.195.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.196.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.197.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.198.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.199.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.200.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.201.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.202.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.203.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.204.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.205.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.206.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.207.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.208.0/24 via 200.9.157.237 200/0 21:57:14
B IN 13.248.209.0/24 via 200.9.157.237 200/0 21:57:14
DEL-SWT-03# show ip route
vrf IP route information per vrf
all All routes including non-active routes
bgp Border Gateway Protocol (BGP)
connected Connected
ospf Open Shortest Path First(OSPF)
static Static routes
A.B.C.D/mask Destination prefix
summary Routes Summary
| Pipe through a command
<cr>
DEL-SWT-03# show ip route static
Codes: C - connected
S - static
B - BGP, IN - internal BGP, EX - external BGP
O - OSPF, IA - OSPF inter area, N1 - OSPF NSSA external type 1,
N2 - OSPF NSSA external type 2, E1 - OSPF external type 1,
E2 - OSPF external type 2, * - candidate default,
+ - summary route, > - non-active route
Gateway of last resort is via 200.9.157.193 to network 0.0.0.0
Destination Gateway Dist/Metric Last Change
----------------------------------------------------------------------------------------------------------
*S 0.0.0.0/0 via 200.9.157.193 vlan208 1/0 2 days 22:32:53
DEL-SWT-03# show ip route connected
Codes: C - connected
S - static
B - BGP, IN - internal BGP, EX - external BGP
O - OSPF, IA - OSPF inter area, N1 - OSPF NSSA external type 1,
N2 - OSPF NSSA external type 2, E1 - OSPF external type 1,
E2 - OSPF external type 2, * - candidate default,
+ - summary route, > - non-active route
Gateway of last resort is not set
Destination Gateway Dist/Metric Last Change
----------------------------------------------------------------------------------------------------------
C 192.168.10.0/24 via 192.168.10.231 vlan10 0/0 2 days 03:29:46
C 192.168.77.0/24 via 192.168.77.2 vlan977 0/0 1 day 04:22:04
C 192.168.78.0/24 via 192.168.78.1 vlan978 0/0 1 day 04:41:24
C 200.9.157.192/27 via 200.9.157.195 vlan208 0/0 1 day 03:09:13
C 200.9.157.224/28 via 200.9.157.232 vlan214 0/0 22:35:37
DEL-SWT-03# show ip bgp summary
BGP router identifier 200.9.157.232 local AS number 52376
Neighbor AS MsgRcvd MsgSent Up/Down State/Pfx
192.168.77.1 52376 5220 1531 21:57:50 14697
DEL-SWT-03#
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