TSHOOT 300-135 Ticket #5

TSHOOT 300-135 Ticket 5 on ACL

Hi ! everyone on today in this lab session we are going to study about ACL in troubleshooting which is in layer 3 as we have seen already in previous session and this is our configured topology for this lab given below.

Configuration on R1

interface Serial0/0/1
 description Link to ISP
 ip address 209.65.200.225 255.255.255.252
 ip nat outside
 ip access-group edge_security in
!

ip access-list extended edge_security
 deny ip 10.0.0.0 0.255.255.255 any
 deny ip 172.16.0.0 0.15.255.255 any
 deny ip 192.168.0.0 0.0.255.255 any
 deny 127.0.0.0 0.255.255.255 any
 permit ip host 209.65.200.241 any
!

Answer: add permit ip 209.65.200.224 0.0.0.3 any command to R1’s ACL

Ans 1: R1
Ans 2: IPv4 Layer 3 Security
Ans 3: Under the ip access-list extended edge-security configuration add the permit ip 209.65.200.224 0.0.0.3 any command

Note:
+ This is the only ticket the extended access-list edge_security exists. In other tickets, the access-list 30 is applied to the inbound direction of S0/0/1 of R1.
+ Although host 209.65.200.241 is permitted to go through the access-list (permit ip host 209.65.200.241 any) but clients cannot ping the web server because R1 cannot establish BGP session with neighbor 209.65.200.226.
Therefore,through his lab session we studied about access list that is ACL which is done with the help of packet tracer version 7.1.