Why system is not accessible on the network and a connection attempt fails with "No route to host" ?
Issue
- The system in question cannot
ping/sshany other system an vice versa in same network. pingfails as below:
# ping 10.102.X.X
PING 10.102.X.X (10.102.X.X) 56(84) bytes of data.
From 10.102.Y.Y: icmp_seq=2 Destination Host Unreachable
From 10.102.Y.Y icmp_seq=2 Destination Host Unreachable
From 10.102.Y.Y icmp_seq=3 Destination Host Unreachable
From 10.102.Y.Y icmp_seq=4 Destination Host Unreachable
--- HOSTNAME ping statistics ---
11 packets transmitted, 0 received, +3 errors, 100% packet loss, time 10999ms
, pipe 3
#
sshfails as below.
# ssh -vvv 10.102.X.X
OpenSSH_5.6p1 (CentrifyDC build 4.5.0-440) (CentrifyDC build 4.5.0-440), OpenSSL 0.9.8k (CentrifyDC build 4.5.0-440) 25 Mar 2009
debug1: Reading configuration data /etc/centrifydc/ssh/ssh_config
debug1: Applying options for *
debug2: ssh_connect: needpriv 0
debug1: Connecting to 10.102.X.X [10.102.X.X] port 22.
debug1: connect to address 10.102.X.X port 22: No route to host
ssh: connect to host 10.102.X.X port 22: No route to host
#
- Same is the situation when trying to access any other system from this system.
Environment
- Red Hat Enterprise Linux (All Versions)
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.
Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.
