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--- lab_with_ipv6_tunnel [2018/01/16 21:28] – samer
+++ lab_with_ipv6_tunnel [2018/01/16 21:28] – samer
@@ Line 27: / Line 27: @@
 <WRAP center round tip 100%>
-When behind a firewall appliance, make sure that protocol 41 is not filtered. Note well that 41 is the IPv6 protocol number encapsulated in IPv4 (and not a port number) and should be authorized. For instance, the [[https://www.cisco.com/c/en/us/support/docs/ip/access-lists/43920-iacl.html | configuration]] on a Cisco firewall uses the following syntax: ''access-list 101 permit 41 source destination''
+When behind a firewall appliance, make sure that protocol 41 is not filtered. Note well that 41 is the IPv6 protocol number encapsulated in IPv4 (and not a port number) and should be authorized. For instance, the [[https://www.cisco.com/c/en/us/support/docs/ip/access-lists/43920-iacl.html | configuration]] on a Cisco firewall uses the following syntax: ''access-list 101 permit 41 source destination''.
 </WRAP>