[c-nsp] Re: Interfacing between VRF and global across interface in one router

[Joe Maimon]

Joe Maimon wrote:

> Does anybody know of a way to create an interface between two VRF's or 
> a VRF and the global table inside one router?
>
>
But this does not appear to work

rt11#sh run int p1.17
Building configuration...

Current configuration : 126 bytes
!
interface Port-channel1.17
 encapsulation dot1Q 17
 ip vrf forwarding CHL-PRIVATE
 ip address 10.33.33.1 255.255.255.0
end

rt11#sh run int p2.17
Building configuration...

Current configuration : 95 bytes
!
interface Port-channel2.17
 encapsulation dot1Q 17
 ip address 10.33.33.2 255.255.255.0
end

rt11#ping 10.33.33.1 re 2

Type escape sequence to abort.
Sending 2, 100-byte ICMP Echos to 10.33.33.1, timeout is 2 seconds:

003980: *Jan 18 12:55:39: IP: tableid=0, s=10.33.33.2 (local), 
d=10.33.33.1 (Port-channel2.17), routed via RIB
003981: *Jan 18 12:55:39: IP: s=10.33.33.2 (local), d=10.33.33.1 
(Port-channel2.17), len 100, sending
003982: *Jan 18 12:55:39: IP: s=10.33.33.2 (local), d=10.33.33.1 
(Port-channel2.17), len 100, encapsulation failed.
003983: *Jan 18 12:55:41: IP: tableid=0, s=10.33.33.2 (local), 
d=10.33.33.1 (Port-channel2.17), routed via RIB
003984: *Jan 18 12:55:41: IP: s=10.33.33.2 (local), d=10.33.33.1 
(Port-channel2.17), len 100, sending
003985: *Jan 18 12:55:41: IP: s=10.33.33.2 (local), d=10.33.33.1 
(Port-channel2.17), len 100, encapsulation failed.
Success rate is 0 percent (0/2)
rt11#ping 10.33.33.2 re 2

Type escape sequence to abort.
Sending 2, 100-byte ICMP Echos to 10.33.33.2, timeout is 2 seconds:
!!
Success rate is 100 percent (2/2), round-trip min/avg/max = 1/2/4 ms
rt11#
003986: *Jan 18 12:55:48: IP: tableid=0, s=10.33.33.2 (local), 
d=10.33.33.2 (Port-channel2.17), routed via RIB
003987: *Jan 18 12:55:48: IP: s=10.33.33.2 (local), d=10.33.33.2 
(Port-channel2.17), len 100, sending
003988: *Jan 18 12:55:48: IP: tableid=0, s=10.33.33.2 
(Port-channel2.17), d=10.33.33.2 (Port-channel2.17), routed via RIB
003989: *Jan 18 12:55:48: IP: s=10.33.33.2 (Port-channel2.17), 
d=10.33.33.2 (Port-channel2.17), len 100, rcvd 3
003990: *Jan 18 12:55:48: IP: tableid=0, s=10.33.33.2 (local), 
d=10.33.33.2 (Port-channel2.17), routed via RIB
003991: *Jan 18 12:55:48: IP: s=10.33.33.2 (local), d=10.33.33.2 
(Port-channel2.17), len 100, sending
003992: *Jan 18 12:55:48: IP: tableid=0, s=10.33.33.2 
(Port-channel2.17), d=10.33.33.2 (Port-channel2.17), routed via RIB
003993: *Jan 18 12:55:48: IP: s=10.33.33.2 (Port-channel2.17), 
d=10.33.33.2 (Port-channel2.17), len 100, rcvd 3
003994: *Jan 18 12:55:48: IP: tableid=0, s=10.33.33.2 (local), 
d=10.33.33.2 (Port-channel2.17), routed via RIB
003995: *Jan 18 12:55:48: IP: s=10.33.33.2 (local), d=10.33.33.2 
(Port-channel2.17), len 100, sending
003996: *Jan 18 12:55:48: IP: tableid=0, s=10.33.33.2 
(Port-channel2.17), d=10.33.33.2 (Port-channel2.17), routed via RIB
003997: *Jan 18 12:55:48: IP: s=10.33.33.2 (Port-channel2.17), 
d=10.33.33.2 (Port-channel2.17), len 100, rcvd 3
003998: *Jan 18 12:55:48: IP: tableid=0, s=10.33.33.2 (local), 
d=10.33.33.2 (Port-channel2.17), routed via RIB
003999: *Jan 18 12:55:48: IP: s=10.33.33.2 (local), d=10.33.33.2 
(Port-channel2.17), len 100, sending
004000: *Jan 18 12:55:48: IP: tableid=0, s=10.33.33.2 
(Port-channel2.17), d=10.33.33.2 (Port-channel2.17), routed via RIB
004001: *Jan 18 12:55:48: IP: s=10.33.33.2 (Port-channel2.17), 
d=10.33.33.2 (Port-channel2.17), len 100, rcvd 3
noc08rt11#ping 10.33.33.3 re 2

Type escape sequence to abort.
Sending 2, 100-byte ICMP Echos to 10.33.33.3, timeout is 2 seconds:
!!
Success rate is 100 percent (2/2), round-trip min/avg/max = 4/6/8 ms
rt11#
004002: *Jan 18 12:55:57: IP: tableid=0, s=10.33.33.2 (local), 
d=10.33.33.3 (Port-channel2.17), routed via FIB
004003: *Jan 18 12:55:57: IP: s=10.33.33.2 (local), d=10.33.33.3 
(Port-channel2.17), len 100, sending
004004: *Jan 18 12:55:57: IP: tableid=0, s=10.33.33.3 
(Port-channel2.17), d=10.33.33.2 (Port-channel2.17), routed via RIB
004005: *Jan 18 12:55:57: IP: s=10.33.33.3 (Port-channel2.17), 
d=10.33.33.2 (Port-channel2.17), len 100, rcvd 3
004006: *Jan 18 12:55:57: IP: tableid=0, s=10.33.33.2 (local), 
d=10.33.33.3 (Port-channel2.17), routed via FIB
004007: *Jan 18 12:55:57: IP: s=10.33.33.2 (local), d=10.33.33.3 
(Port-channel2.17), len 100, sending
004008: *Jan 18 12:55:57: IP: tableid=0, s=10.33.33.3 
(Port-channel2.17), d=10.33.33.2 (Port-channel2.17), routed via RIB
004009: *Jan 18 12:55:57: IP: s=10.33.33.3 (Port-channel2.17), 
d=10.33.33.2 (Port-channel2.17), len 100, rcvd 3