This article describes the issue of the inet MTU value not reverting to its default value, when the inet MTU configuration is removed. The default inet MTU for the secure tunnel interface is 9192. When modifying this value, you need to be aware of the following issue: When inet MTU is configured at the same time as the interface family is configured, the inet MTU will … [Read more...]
Example – How to find the correct minimum and maximum range for interface MTU
The minimum and maximum range for interface MTU as shown in CLI command completion may not be the true range for that particular interface. The MTU value that falls outside the minimum and maximum ranges for a particular interface will be caught during commit. Please see the following examples. Example 1 - SRX100 platform [email protected]# set interfaces fe-0/0/2 mtu ? … [Read more...]
MTU of the EX switch when Q-in-Q (802.1Q) tunneling is enabled
This article provides information about the MTU of the EX switch, when Q-in-Q tunneling is enabled. Q-in-Q tunneling adds a service VLAN tag, before the customer’s 802.1Q VLAN tags. Depending on the interface configuration, the MTU value of the related ports is adjusted to accommodate the 4 bytes, which are used for the tag that is added by Q-in-Q tunneling. Test … [Read more...]