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Verda
LINE
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• Verda
% (2019-10 ~ )
"%
• $!
•
(2017-04 ~ 2019-10)
"#&
&%
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Agenda • LINE
•
•
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Agenda • LINE
•
•
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LINE
L3
Server
ToR
Leaf
Spine
External
l Full-L3 BGP CLOS
l Whitebox Switch(Mellanox) + Linux base NOS(Cumulus Linux)
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Agenda • LINE
•
•
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Switch ZTP Server
Ansible Server
l : Zero Touch Provisioning (ZTP)
l : Ansible
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Switch ZTP Server
Ansible Server
l
: Zero Touch Provisioning (ZTP)
l : Ansible
ZTP &
(OS
, )
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Switch ZTP Server
Ansible Server
l : Zero Touch Provisioning (ZTP)
l
: Ansible
Ansible
(Interface, Routing, … )
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Switch ZTP Server
Ansible Server
l
: Zero Touch Provisioning (ZTP)
l
: Ansible
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l $#
l $#
"
l ToR
$ !
l $
ToR
Server A Server B
10.1.1.1/32 10.1.1.1/32
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l +
%*&
,.
A ::
.C A3
0
:A
2:
.
A ::
X P O - SL
P O T
AI 0I
I I
/ :
1A1
!"
(#$'
{
“Switch-A”:[“serverX”,…]
}
A
, ) !"
“serverX” → “Switch-A”
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1. Private Cloud7
H,+@A6
l *E;
%'F1C/9<5:
l )B
H,+@
?:( $0>/3)
l 7
H,2
l -I $0>/3: 3(G: VMBGP -I.D)8(
l QoS4:: "#&!=
H,QoS0>4:
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2. 8,(*4Ansible%-%
l 3,(2000,02 (2020/08%1)
l 7"+',(
(%
l )/7"-%…
l $!:.
l )/569
(1. ; )
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3. !'&/OS "4#
l )1Mellanox + Cumulus Linux1.9
l -6$753+ 4/
2(
l "
4#
…
l -6$*0"%,*8
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Agenda • LINE
•
•
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1. Private CloudCR0/JMB
→ API1O/.@IN3
54?
2. &PE>A)
LAnsible;5:-H:-(
→ @IN35Agent (Sync Agent)+
KF
3. $/./OS!# %D'
→ NAPALM
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:
Region A Region B
ZTP
Server
API
Server
Switch
etcd
Sync Agent
Switch
etcd
Sync Agent
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: ZTP
Region A Region B
ZTP
Server
API
Server
Switch
etcd
Sync Agent
Switch
etcd
Sync Agent
OS Install
Deploy Agent
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: ZTP
ZTP Server
Switch
Sync Agent
DHCP Server
ZTP ScriptURL
ZTP Script
ZTP Script
Ansible
- Sync Agent
-
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: ZTP
ZTP Server
Switch
Sync Agent
DHCP Server
) ZTP ScriptURL"
* ZTP Script"
+ ZTP Script
,
- Ansible
- Sync Agent
-
Ansible
(%
1. ZTP Script$(
#
2. Ansible
'&
((!)
• Agentupdate
• …
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:
Region A Region B
ZTP
Server
API
Server
Switch
etcd
Switch
etcd
Sync Agent
watch switch data
Service
Sync Agent
watch switch status
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:
Region A Region B
ZTP
Server
API
Server
Switch
etcd
Switch
etcd
Sync Agent
Service
Request
Update switch data
Configure switch
Sync Agent
API
Fetch switch data
Covert switch data
NAPALM base
data model
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:
Region A Region B
ZTP
Server
API
Server
Switch
etcd
Switch
etcd
Sync Agent
Service
Request
Update switch data
Configure switch
Sync Agent
API
Fetch switch data
Covert switch data
Cumulus
Ansible
Data model
Ansible Inventory
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API
Server
Switch1
etcd
Server
Controller
Sync Agent
Switch2
Sync Agent
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API
Server
Switch1
etcd
Sync Agent
ServerA Switch2
Sync Agent
Server
Controller
API Request
10.0.0.1/32
{
“hostname”: “ServerA”,
“address”: “10.0.0.1/32”,
“ip_version”: 4,
}
if1
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API
Server
Switch1
etcd
Sync Agent
ServerA Switch2
Sync Agent
Server
Controller
10.0.0.1/32
Key: “/servers/config/ServerA”
{
“hostname”: “ServerA”,
“prefixes”: [“10.0.0.1/32”],
}
if1
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API
Server
Switch1
etcd
Sync Agent
ServerA Switch2
Sync Agent
Server
Controller
10.0.0.1/32
LLDP
Watch LLDP database
if1
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API
Server
Switch1
etcd
Sync Agent
ServerA Switch2
Sync Agent
Server
Controller
10.0.0.1/32
LLDP
Fetch Server information
Key: “/servers/config/ServerA”
Key: “/servers/config/ServerA”
{
“hostname”: “ServerA”,
“prefixes”: [“10.0.0.1/32”],
}
if1
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API
Server
Switch1
etcd
Sync Agent
ServerA Switch2
Sync Agent
Server
Controller
10.0.0.1/32
if1
Update prefix filter (Ansible)
ip prefix-list filter-if1-in permit 10.0.0.1/32
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1. Private CloudCR0/JMB
→ API1O/.@IN3
54?
2. &PE>A)
LAnsible;5:-H:-(
→ @IN35Agent (Sync Agent)+
KF
3. $/./OS!# %D'
→ NAPALM
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l LINE"!')@3;*
6,
l 47
l ZTPAnsible3;*
l 3;*.+9
l 0247
l "!'!&%(
l ?
"!'#A/
"!'385<>1 $-=: