LISP
A very basic setup, that assumes a working underlay. I implemented this on my home lab of c7200s in GNS3 running 15.2(4)S7. My underlay was IS-IS to router loopbacks.
Site 1 EIDs - 192.168.100.0/24
Site 2 EIDs - 192.168.101.0/24
xTR for Site 1 - Lo0 16.16.16.16
xTR for Site 2 - Lo0 19.19.19.19
Site 1 - xTR - Config
R18# show run | s lisp
router lisp
database-mapping 192.168.100.0/24 18.18.18.18 priority 1 weight 50
ipv4 itr map-resolver 16.16.16.16
ipv4 itr
ipv4 etr map-server 16.16.16.16 key cisco
ipv4 etr
exit
Site 1 - xTR - Verify
R18# show ip lisp map-cache
LISP IPv4 Mapping Cache for EID-table default (IID 0), 2 entries
0.0.0.0/0, uptime: 00:19:42, expires: never, via static send map-request
Negative cache entry, action: send-map-request
192.168.101.0/24, uptime: 00:10:08, expires: 23:49:44, via map-reply, complete
Locator Uptime State Pri/Wgt
19.19.19.19 00:10:08 up 1/50
Site 2 - xTR - Config
R19# show run | s lisp
router lisp
database-mapping 192.168.101.0/24 19.19.19.19 priority 1 weight 50
ipv4 itr map-resolver 16.16.16.16
ipv4 itr
ipv4 etr map-server 16.16.16.16 key cisco
ipv4 etr
exit
Site 2 - xTR - Verify
R19# show ip lisp map-cache
LISP IPv4 Mapping Cache for EID-table default (IID 0), 2 entries
0.0.0.0/0, uptime: 00:11:50, expires: never, via static send map-request
Negative cache entry, action: send-map-request
192.168.100.0/24, uptime: 00:11:29, expires: 23:48:23, via map-reply, complete
Locator Uptime State Pri/Wgt
18.18.18.18 00:11:29 up 1/50
MS/MR - Config
R16# show run | s lisp
router lisp
site 1
authentication-key cisco
eid-prefix 192.168.100.0/24
exit
!
site 2
authentication-key cisco
eid-prefix 192.168.101.0/24
exit
!
ipv4 map-server
ipv4 map-resolver
exit
MS/MR - Verify
R16# show lisp site name 1
Site name: 1
Allowed configured locators: any
Allowed EID-prefixes:
EID-prefix: 192.168.100.0/24
First registered: 00:25:12
Routing table tag: 0
Origin: Configuration
Merge active: No
Proxy reply: No
TTL: 1d00h
State: complete
Registration errors:
Authentication failures: 0
Allowed locators mismatch: 0
ETR 10.0.0.23, last registered 00:00:28, no proxy-reply, no map-notify
TTL 1d00h, no merge, nonce 0x3E715231-0x150380FC
state complete
Locator Local State Pri/Wgt
18.18.18.18 yes up 1/50
R16# show lisp site name 2
Site name: 2
Allowed configured locators: any
Allowed EID-prefixes:
EID-prefix: 192.168.101.0/24
First registered: 00:25:24
Routing table tag: 0
Origin: Configuration
Merge active: No
Proxy reply: No
TTL: 1d00h
State: complete
Registration errors:
Authentication failures: 0
Allowed locators mismatch: 0
ETR 10.0.0.26, last registered 00:00:37, no proxy-reply, no map-notify
TTL 1d00h, no merge, nonce 0x2F281A3C-0x0760FD58
state complete
Locator Local State Pri/Wgt
19.19.19.19 yes up 1/50