You are running OSPF as your IGP. The interfaces connecting two routers are in the ExStart state. You notice that something is incorrect with the configuration.
Referring to the exhibit, which statement is correct?
In OSPF, the ExStart state indicates that the routers are attempting to establish a relationship and exchange information about their MTU settings. If the MTU settings do not match between the two routers on the link, it can prevent the adjacency from progressing past the ExStart state.
References:
From the image provided, you can see that the OSPF adjacency on the interface ge-0/0/2.0 is stuck in the ExStart state.
This state often suggests that there is a mismatch in the MTU settings between the routers on that interface.
To resolve this, ensure that both interfaces have the same MTU setting. You can check and set the MTU on Juniper routers using the following commands:
# Check current MTU settings
show interfaces ge-0/0/2
# Set MTU to a specific value (e.g., 1500)
set interfaces ge-0/0/2 mtu 1500
# Commit the configuration
commit
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