IPExpert V3 Lab5

Troubleshooting
Ticket 1

Spent some time figuring out why IP of the frame relay where /32 -> The network type was point-to-multipoint nonbroadcast so the /32 is learned from elswhere. As it was forbidden to change IGP we see that the problem is multihop with ebgp connection.

Ticket 4

PG set the distance of BGP mulitcast to be prefered, this seems a bit unusefull as there is no RPF tie because no PIM on the interface use for Unicast.

Ticket 7

Sham link to make MLPS prefered path :

-Ospf domain-id should be set in order the routes be IA.
-Shame link is done between 2 loopback own by the VRF and redistributed on the BGP vrf.
-The loopbakc could be filtered toward OSPF VRF.

Configuration
1.3 PPP secured without CHAP

Only EAP
ppp authent eap
ppp eap identify (no default identity in EAP)
ppp eap password
ppp eap local (to use local username database

1.5 Catalyst Interface tracking

Permits to group multiple 'server interface' (downstream) with uplink interface (upstream) for redundancy purposes. When all upstream are down, downstreams are shut.
In this case the purpose was to err-disabled some links when uplinks are unavailable.

int Uplink
link state group 1 upstream

int ToServer
link state group 1downpstream

link state track 1

2.4 Redistribution

Tricky redistribution scenario. Follow those pinciples :
-Don't forget 170 external AD of EIGRP wich prevent external be preferes
-RIP areas were stub. Playing with distance >170 for external routes and 120 for rip routes prevent a lot of problems
-Between eigrp and ospf as there is mutual redistribution, filtering with tag is necessary. Proctor use a tag of the advertising router.

3.5 OER/PFR

Setting oer/pfr network component is ok, others phase less :

Profile : choose the optimized traffic
Measure : monitor the traffic and give threshold
Control : choose the way to play on best route.

Everything is done on master thrue an oer-map

oer-map TEST
match traffic-clas .... (profile)
set delay threshold ... (measure)
set active-probe ...
set mode route control (control, bgp)
set mode router metric bgp local-pref ..)

To review