06-11-2019 01:26 AM - edited 06-11-2019 01:31 AM
In the case of route distribution between BGP and LISP.
Pre SD-Access:
=== Core ===
router ospf 10
router-id 71.0.0.1
network 50.0.0.0 0.255.255.255 area 0
router bgp 65001
bgp router-id interface Loopback0
address-family ipv4 vrf Engineering
neighbor 200.0.0.2 remote-as 65002
With SD-Access:
##### FB1 ########
interface Loopback0
description Fabric Node Router ID
ip address 71.0.0.1 255.255.255.255
ip router isis
!
vrf definition Engineering
rd 1:4099
!
address-family ipv4
route-target export 1:4099
route-target import 1:4099
exit-address-family
!
address-family ipv6
route-target export 1:4099
route-target import 1:4099
exit-address-family
!
interface Loopback1021 ----- ( Anycast gateway IP configured for DHCP OFFER punt)
vrf forwarding Engineering
ip address 100.1.1.1 255.255.255.255
!
router lisp
locator-set rloc_set1
IPv4-interface Loopback0 priority 10 weight 10
auto-discover-rlocs
exit-locator-set
!
service ipv4
encapsulation vxlan
map-cache-limit 5119
database-mapping limit dynamic 3000
itr map-resolver 71.0.0.1
etr map-server 71.0.0.1 key key1
etr map-server 71.0.0.1 proxy-reply
etr
sgt
proxy-etr
proxy-itr 71.0.0.1
map-server
map-resolver
exit-service-ipv4
!
instance-id 4097
remote-rloc-probe on-route-change
service ipv4
eid-table default
route-export site-registrations
distance site-registrations 250
map-cache site-registration
exit-service-ipv4
!
exit-instance-id
!
instance-id 4098
remote-rloc-probe on-route-change
service ipv4
eid-table vrf DEFAULT_VN
route-export site-registrations
distance site-registrations 250
map-cache site-registration
exit-service-ipv4
!
exit-instance-id
!
instance-id 4099
remote-rloc-probe on-route-change
service ipv4
eid-table vrf Engineering
route-import database bgp 65001 route-map database locator-set rloc_set1 ( — Replacement of redistribute bgp under router ospf)
route-export site-registrations
distance site-registrations 250
map-cache site-registration
exit-service-ipv4
!
exit-instance-id
!
!
site site_uci
authentication-key key1
eid-record instance-id 4097 0.0.0.0/0 accept-more-specifics
eid-record instance-id 4098 0.0.0.0/0 accept-more-specifics
eid-record instance-id 4099 0.0.0.0/0 accept-more-specifics
exit-site
!
!
ipv4 locator reachability exclude-default
ipv4 source-locator Loopback0
exit-router-lisp
!
!
router bgp 65001
bgp router-id interface Loopback0
bgp log-neighbor-changes
bgp graceful-restart
!
address-family ipv4 vrf vn1
network 173.168.127.1 mask 255.255.255.255
aggregate-address 173.168.227.0 255.255.255.0 summary-only
aggregate-address 173.168.127.0 255.255.255.0 summary-only
neighbor 200.0.0.2 remote-as 65002
neighbor 200.0.0.2 activate
exit-address-family
!
ip routing
!
route-map database permit 10
match ip address prefix-list external_prefix
!
ip prefix-list external_prefix seq 5 permit 200.0.0.0/8
Ensure that the external prefixes learned from BGP are redistributed to LISP and registered to Control Plane and fabric LISP prefixes redistributed to BGP.
show ip ospf neighbor
show ip bgp summary
show ip route ospf
show ip route bgp
Verify Export the MS/MR registrations into RIB
show lisp site
LISP Site Registration Information
* = Some locators are down or unreachable
# = Some registrations are sourced by reliable transport
Site Name Last Up Who Last Inst EID Prefix
Register Registered ID
site_uci 2d14h yes# 70.0.0.1 4099 100.1.1.100/32
show ip route vrf Engineering
Routing Table: abcd
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B – BGP
D - EIGRP, EX - EIGRP external, 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
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route, H - NHRP, l – LISP
a - application route
+ - replicated route, % - next hop override, p - overrides from PfR
Gateway of last resort is not set
200.0.0.0/32 is subnetted, 1 subnets
l 100.1.1.100 [240/1], 17:57:50, Null0
Verify Redistribute of LISP routes into BGP
show bgp vpnv4 unicast vrf Engineering
BGP table version is 4, local router ID is 71.0.0.1
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,
r RIB-failure, S Stale, m multipath, b backup-path, f RT-Filter,
x best-external, a additional-path, c RIB-compressed,
t secondary path,
Origin codes: i - IGP, e - EGP, ? – incomplete
RPKI validation codes: V valid, I invalid, N Not found
Network Next Hop Metric LocPrf Weight Path
Route Distinguisher: 1:2 (default for vrf PACAF)
Export Map: vrf_to_global, Address-Family: IPv4 Unicast, Pfx Count/Limit: 1/1000
*> 100.1.1.100/32 0.0.0.0 0 32768 i
Verify Import of BGP routes into LISP
show ip lisp route-import database instance-id 10
LISP IPv4 imported routes for EID-table vrf PACAF (IID 10)
Config: 1, Entries: 5 (limit 1000)
Prefix Uptime Source RLOC-set Cache/DB State
200.0.0.0/8 2d14h bgp 65002 border installed
show lisp site
LISP Site Registration Information
* = Some locators are down or unreachable
# = Some registrations are sourced by reliable transport
Site Name Last Up Who Last Inst EID Prefix
Register Registered ID
site_uci 2d14h yes# 70.0.0.1 4099 100.1.1.100/32
2d14h yes# 71.0.0.1 4099 200.0.0.0/8
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