Displaying gre tunneling information, Displaying gre tunneling, Information – Brocade Communications Systems Layer 3 Routing Configuration ICX 6650 User Manual
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Brocade ICX 6650 Layer 3 Routing Configuration Guide
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IPv4 point-to-point GRE tunnels
Brocade(config-tnif-1)# ip address 10.10.3.2/24
Brocade(config-tnif-1)# exit
Brocade(config)# ip route 192.168.8.0/24 192.168.5.1
Displaying GRE tunneling information
This section describes the show commands that display the GRE tunnels configuration, the link
status of the GRE tunnels, and the routes that use GRE tunnels. To display information about
multicast protocols and GRE tunnels, refer to
“Displaying multicast protocols and GRE tunneling
To display GRE tunneling Information, use the following commands:
•
show ip interface
•
show ip route
•
show ip interface tunnel
•
show ip tunnel traffic
•
show interface tunnel
•
show statistics tunnel
The following shows an example output of the show ip interface command, which includes
information about GRE tunnels.
Brocade# show ip interface
Interface IP-Address OK? Method Status Protocol
Tunnel 1 10.10.3.1 YES NVRAM up up
For field definitions, refer to
Syntax: show ip interface
The show ip route command displays routes that are pointing to a GRE tunnel as shown in the
following example.
Brocade# show ip route
Total number of IP routes: 3, avail: 79996 (out of max 80000)
B:BGP D:Connected R:RIP S:Static O:OSPF *:Candidate default
Destination NetMask Gateway Port Cost Type
1 192.168.1.0 255.255.255.0 0.0.0.0 7 1 D
2 192.168.2.0 255.255.255.0 0.0.0.3 7 1 S
3 192.168.3.0 255.255.255.0 0.0.0.0 tn3 1 D
For field definitions, refer to
Syntax: show ip route
The show ip interface tunnel command displays the link status and IP address configuration for an
IP tunnel interface as shown in the following example.
Brocade# show ip interface tunnel 1
Interface Tunnel 1
port state: UP
ip address: 192.168.21.2 subnet mask: 255.255.255.0
encapsulation: GRE, mtu: 1476, metric: 1
directed-broadcast-forwarding: disabled
proxy-arp: disabled