I did CCNP ROUTE Version 1 a few years ago in order to complete my CCDP and built a lab using real Cisco 2811 routers and Cisco 3560 Catalyst switches. I needed to renew my CCNP this year and studied for the CCNP ROUTE Version 2 and performed labs using the CCNP ROUTE Lab Manual Version 7. I used a virtual lab this time on my Intel NUC and EVE since the new ROUTE exam (300-101) uses IOS 15 and covers a lot of IPv6 topics.
Configuring RIPng
RIPng uses a new command style for the basic configuration, but most of the optional features and verification commands look much like the commands used for RIP for IPv4. This section first takes a look at the basic RIPng configuration, accepting as many defaults as possible.
The big difference between RIPv2 and RIPng configuration is that RIPng discards the age-old RIP network command in deference to the ipv6 rip name enable interface subcommand, which enables RIPng on an interface. Another difference relates to the routing of IPv4 and IPv6: Cisco IOS routes IPv4 by default (because of a default global configuration command of ip routing ), but Cisco IOS does not route IPv6 by default (a default of no ipv6 unicast-routing ). Finally, RIPng allows multiple RIPng processes on a single router, so Cisco IOS requires that each RIPng process is given a text name that identifies each RIPng process for that one router—another difference compared to RIPv2.
The following list shows the basic configuration steps for RIPng, including steps to enable IPv6 routing and enabling IPv6 on the interfaces:
Step 1. Enable IPv6 routing with the ipv6 unicast-routing global command.
Step 2. Enable RIPng using the ipv6 router rip name global configuration command. The name must be unique on a router but does not need to match on neighboring routers.
Step 3. Enable IPv6 on the interface, typically with one of these two methods:
Below is the RIPng lab that I performed.
Configuring RIPng
RIPng uses a new command style for the basic configuration, but most of the optional features and verification commands look much like the commands used for RIP for IPv4. This section first takes a look at the basic RIPng configuration, accepting as many defaults as possible.
The big difference between RIPv2 and RIPng configuration is that RIPng discards the age-old RIP network command in deference to the ipv6 rip name enable interface subcommand, which enables RIPng on an interface. Another difference relates to the routing of IPv4 and IPv6: Cisco IOS routes IPv4 by default (because of a default global configuration command of ip routing ), but Cisco IOS does not route IPv6 by default (a default of no ipv6 unicast-routing ). Finally, RIPng allows multiple RIPng processes on a single router, so Cisco IOS requires that each RIPng process is given a text name that identifies each RIPng process for that one router—another difference compared to RIPv2.
The following list shows the basic configuration steps for RIPng, including steps to enable IPv6 routing and enabling IPv6 on the interfaces:
Step 1. Enable IPv6 routing with the ipv6 unicast-routing global command.
Step 2. Enable RIPng using the ipv6 router rip name global configuration command. The name must be unique on a router but does not need to match on neighboring routers.
Step 3. Enable IPv6 on the interface, typically with one of these two methods:
- Configure an IPv6 unicast address on each interface using the ipv6 address address/prefix-length [eui-64] interface command.
- Configure the ipv6 enable command, which enables IPv6 and causes the router to derive its link-local address.
Below is the RIPng lab that I performed.
r1#conf t
Enter
configuration commands, one per line.
End with CNTL/Z.
r1(config)#ipv6
unicast-routing // ENABLE IPv6 ROUTING
r1(config)#
r1(config)#interface
loop 0
r1(config-if)#
*Jun 16
22:00:54.419: %LINK-3-UPDOWN: Interface Loopback0, changed state to up
*Jun 16
22:00:55.419: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback0,
changed state to up
r1(config-if)#ipv6
address 2001:db8:cafe:1::1/64
r1(config-if)#
r1(config-if)#interface
serial 2/0
r1(config-if)#ipv6
address 2001:db8:cafe:2::1/64
r1(config-if)#no
shut
r1(config-if)#
*Jun 16
22:02:07.615: %LINK-3-UPDOWN: Interface Serial2/0, changed state to up
r1(config-if)#
*Jun 16
22:02:08.627: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial2/0,
changed state to up
r1(config-if)#end
r1#
r2#conf t
Enter
configuration commands, one per line.
End with CNTL/Z.
r2(config)#ipv6
unicast-routing
r2(config)#
r2(config)#interface
loop 0
r2(config-if)#
*Jun 16
22:01:47.903: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback0,
changed state to up
r2(config-if)#ipv6
address 2001:db8:cafe:3::1/64
r2(config-if)#
r2(config)#interface
serial 2/0
r2(config-if)#ipv6
address 2001:db8:cafe:2::2/64
r2(config-if)#no
shut
r2(config-if)#
*Jun 16
22:03:27.335: %LINK-3-UPDOWN: Interface Serial2/0, changed state to up
r2(config-if)#
*Jun 16
22:03:28.347: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial2/0,
changed state to up
r2(config-if)#
r2(config-if)#do
ping 2001:db8:cafe:2::1
Type
escape sequence to abort.
Sending
5, 100-byte ICMP Echos to 2001:DB8:CAFE:2::1, timeout is 2 seconds:
..!!!
Success
rate is 60 percent (3/5), round-trip min/avg/max = 32/50/64 ms
r2(config-if)#
r2(config-if)#do
ping 2001:db8:cafe:2::1
Type
escape sequence to abort.
Sending
5, 100-byte ICMP Echos to 2001:DB8:CAFE:2::1, timeout is 2 seconds:
!!!!!
Success
rate is 100 percent (5/5), round-trip min/avg/max = 32/36/44 ms
r2(config-if)#
r2(config-if)#interface
serial 2/1
r2(config-if)#ipv6
address 2001:db8:feed:1::2/64
r2(config-if)#no
shut
r2(config-if)#
*Jun 16
22:04:51.299: %LINK-3-UPDOWN: Interface Serial2/1, changed state to up
r2(config-if)#
*Jun 16
22:04:52.311: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial2/1,
changed state to up
r2(config-if)#
r2(config-if)#interface
loop 10
r2(config-if)#
*Jun 16
22:05:10.083: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback10,
changed state to up
r2(config-if)#
*Jun 16
22:05:12.467: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial2/1,
changed state to down
r2(config-if)#
r2(config-if)#ipv6
address 2001:db8:cafe:10::1/64
r2(config-if)#
r2(config-if)#interface
loop 11
r2(config-if)#
*Jun 16
22:05:44.107: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback11,
changed state to up
r2(config-if)#
r2(config-if)#ipv6
address 2001:db8:cafe:11::1/64
r2(config-if)#
r2(config-if)#interface
loop 12
r2(config-if)#
*Jun 16
22:05:54.491: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback12,
changed state to up
r2(config-if)#
r2(config-if)#ipv6
address 2001:db8:cafe:12::1/64
r2(config-if)#end
r2#
r3#conf t
Enter
configuration commands, one per line.
End with CNTL/Z.
r3(config)#ipv6
unicast-routing
r3(config)#
r3(config)#interface
serial 2/1
r3(config-if)#ipv6
address 2001:db8:feed:1::1/64
r3(config-if)#no
shut
r3(config-if)#
*Jun 16
22:05:00.915: %LINK-3-UPDOWN: Interface Serial2/1, changed state to up
r3(config-if)#
*Jun 16
22:05:01.927: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial2/1,
changed state to up
r3(config-if)#
r3(config-if)#do
ping 2001:db8:feed:1::2
Type
escape sequence to abort.
Sending
5, 100-byte ICMP Echos to 2001:DB8:FEED:1::2, timeout is 2 seconds:
HHH.!
Success
rate is 20 percent (1/5), round-trip min/avg/max = 36/36/36 ms
r3(config-if)#
r3(config-if)#do
ping 2001:db8:feed:1::2
Type
escape sequence to abort.
Sending
5, 100-byte ICMP Echos to 2001:DB8:FEED:1::2, timeout is 2 seconds:
!!!!!
Success
rate is 100 percent (5/5), round-trip min/avg/max = 32/34/40 ms
r3(config-if)#end
r3#
r1#sh
ipv6 interface brief
FastEthernet0/0 [administratively down/down]
unassigned
FastEthernet1/0 [administratively down/down]
unassigned
FastEthernet1/1 [administratively down/down]
unassigned
Serial2/0 [up/up]
FE80::C803:14FF:FEC4:0
2001:DB8:CAFE:2::1
Serial2/1 [administratively down/down]
unassigned
Serial2/2 [administratively down/down]
unassigned
Serial2/3 [administratively down/down]
unassigned
Loopback0 [up/up]
FE80::C803:14FF:FEC4:0
2001:DB8:CAFE:1::1
r2#sh
ipv6 int brief
FastEthernet0/0 [administratively down/down]
unassigned
FastEthernet1/0 [administratively down/down]
unassigned
FastEthernet1/1 [administratively down/down]
unassigned
Serial2/0 [up/up]
FE80::C80C:28FF:FE64:0
2001:DB8:CAFE:2::2
Serial2/1 [up/up]
FE80::C80C:28FF:FE64:0
2001:DB8:FEED:1::2
Serial2/2 [administratively down/down]
unassigned
Serial2/3 [administratively down/down]
unassigned
Loopback0 [up/up]
FE80::C80C:28FF:FE64:0
2001:DB8:CAFE:3::1
Loopback10 [up/up]
FE80::C80C:28FF:FE64:0
2001:DB8:CAFE:10::1
Loopback11 [up/up]
FE80::C80C:28FF:FE64:0
2001:DB8:CAFE:11::1
Loopback12 [up/up]
FE80::C80C:28FF:FE64:0
2001:DB8:CAFE:12::1
r2#
r3#sh
ipv6 int br
FastEthernet0/0 [administratively down/down]
unassigned
FastEthernet1/0 [administratively down/down]
unassigned
FastEthernet1/1 [administratively down/down]
unassigned
Serial2/0 [administratively down/down]
unassigned
Serial2/1 [up/up]
FE80::C808:29FF:FE44:0
2001:DB8:FEED:1::1
Serial2/2 [administratively down/down]
unassigned
Serial2/3 [administratively down/down]
unassigned
r1#conf t
Enter
configuration commands, one per line.
End with CNTL/Z.
r1(config)#ipv6
router ?
eigrp
Enhanced Interior Gateway Routing Protocol (EIGRP)
ospf
Open Shortest Path First (OSPF)
rip
IPv6 Routing Information Protocol (RIPv6)
r1(config)#ipv6
router rip ?
WORD
User selected string identifying this process
r1(config)#ipv6
router rip RIPNG // NEED TO ENABLE ipv6 unicast-routing BEFORE ENABLING RIPng
r1(config-rtr)#exit
r1(config)#interface
loop 0
r1(config-if)#ipv6
rip ?
WORD
User selected string identifying this RIP process
r1(config-if)#ipv6
rip RIPNG ?
default-information Configure handling of default route
enable Enable/disable RIP routing
metric-offset Adjust default metric increment
summary-address Configure address summarization
r1(config-if)#ipv6
rip RIPNG enable // RIPng PROCESS WILL BE AUTOMATICALLY CREATED IF RIPng IS ENABLED FIRST ON AN INTERFACE
r1(config-if)#
r1(config-if)#interface
serial 2/0
r1(config-if)#ipv6
rip RIPNG enable
r2#conf t
Enter
configuration commands, one per line.
End with CNTL/Z.
r2(config)#ipv6
router rip RIPNG
r2(config-rtr)#exit
r2(config)#interface
loop 0
r2(config-if)#ipv6
rip RIPNG enable
r2(config-if)#
r2(config-if)#interface
loop 10
r2(config-if)#ipv6
rip RIPNG enable
r2(config-if)#
r2(config-if)#interface
loop 11
r2(config-if)#ipv6
rip RIPNG enable
r2(config-if)#
r2(config-if)#interface
loop 12
r2(config-if)#ipv6
rip RIPNG enable
r2(config-if)#
r2(config-if)#interface
serial 2/0
r2(config-if)#ipv6
rip RIPNG enable
r2(config-if)#
r2(config-if)#interface
serial 2/1
r2(config-if)#ipv6
rip RIPNG enable
r2#show
ipv6 ?
access-list Summary of access lists
cef Cisco Express Forwarding for
IPv6
dhcp IPv6 DHCP
eigrp Show IPv6 EIGRP
features IPV6 features
general-prefix IPv6 general prefixes
inspect CBAC (Context Based Access
Control) information
interface IPv6 interface status and
configuration
lisp Locator/ID Separation Protocol
local IPv6 local options
mfib IP multicast forwarding
information base
mld Multicast group membership
information
mobile Mobile IPv6
mobile mobile IPv6
mrib Multicast Routing Information
Base
mroute IPv6 multicast routing table
mtu MTU per destination cache
nat IPv6 NAT-PT information
neighbors Show IPv6 neighbor cache entries
nhrp NHRP information
ospf OSPF information
pim PIM information
policy Policy routing
port-map Port to Application Mapping (PAM)
information
prefix-list List IPv6 prefix lists
protocols IPv6 Routing Protocols
rip RIP routing protocol status
route Show IPv6 route table entries
routers Show local IPv6 routers
rpf Multicast RPF information
rsvp RSVP show commands
spd IPv6 Selective Packet Discard
static IPv6 static routes
traffic IPv6 traffic statistics
virtual-reassembly IPV6 Virtual Fragment Reassembly (VFR)
information
wccp WCCP IPv6 information
r2#show
ipv6 protocols
IPv6
Routing Protocol is "connected"
IPv6
Routing Protocol is "ND"
IPv6
Routing Protocol is "rip RIPNG"
Interfaces:
Serial2/1
Serial2/0
Loopback12
Loopback11
Loopback10
Loopback0
Redistribution:
None
r1#sh
ipv6 protocols
IPv6
Routing Protocol is "connected"
IPv6
Routing Protocol is "ND"
IPv6
Routing Protocol is "rip RIPNG"
Interfaces:
Serial2/0
Loopback0
Redistribution:
None
r1#show
ipv6 route
IPv6
Routing Table - default - 10 entries
Codes: C
- Connected, L - Local, S - Static, U - Per-user Static route
B - BGP, HA - Home Agent, MR - Mobile
Router, R - RIP
H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA
- ISIS interarea
IS - ISIS summary, D - EIGRP, EX - EIGRP
external, ND - ND Default
NDp - ND Prefix, DCE - Destination, NDr
- Redirect, O - OSPF Intra
OI - OSPF Inter, OE1 - OSPF ext 1, OE2 -
OSPF ext 2, ON1 - OSPF NSSA ext 1
ON2 - OSPF NSSA ext 2, l - LISP
C 2001:DB8:CAFE:1::/64 [0/0]
via Loopback0, directly connected
L 2001:DB8:CAFE:1::1/128 [0/0]
via Loopback0, receive
C 2001:DB8:CAFE:2::/64 [0/0]
via Serial2/0, directly connected
L 2001:DB8:CAFE:2::1/128 [0/0]
via Serial2/0, receive
R 2001:DB8:CAFE:3::/64 [120/2]
via FE80::C80C:28FF:FE64:0, Serial2/0 // NEXT HOP IP IS R2 LINK-LOCAL ADDRESS
R 2001:DB8:CAFE:10::/64 [120/2]
via FE80::C80C:28FF:FE64:0, Serial2/0
R 2001:DB8:CAFE:11::/64 [120/2]
via FE80::C80C:28FF:FE64:0, Serial2/0
R 2001:DB8:CAFE:12::/64 [120/2]
via FE80::C80C:28FF:FE64:0, Serial2/0
R 2001:DB8:FEED:1::/64 [120/2]
via FE80::C80C:28FF:FE64:0, Serial2/0
L FF00::/8 [0/0]
via Null0, receive
r1#
r1#ping
2001:db8:cafe:3::1
Type
escape sequence to abort.
Sending
5, 100-byte ICMP Echos to 2001:DB8:CAFE:3::1, timeout is 2 seconds:
!!!!!
Success
rate is 100 percent (5/5), round-trip min/avg/max = 8/10/16 ms
r1#
r1#ping
2001:db8:cafe:10::1
Type
escape sequence to abort.
Sending
5, 100-byte ICMP Echos to 2001:DB8:CAFE:10::1, timeout is 2 seconds:
!!!!!
Success
rate is 100 percent (5/5), round-trip min/avg/max = 4/6/8 ms
r1#
r1#ping 2001:db8:feed:1::1 // PING TO R3 SERIAL 2/1 FAILED DUE TO UNKNOWN ROUTE
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos
to 2001:DB8:FEED:1::1, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)
r3#conf t
Enter
configuration commands, one per line.
End with CNTL/Z.
r3(config)#ipv6
route 2001:db8:cafe::/48 2001:db8:feed:1::2 // STATIC ROUTE TO RIPng DOMAIN
r2#conf t
Enter
configuration commands, one per line.
End with CNTL/Z.
r2(config)#ipv6
route ::/0 2001:db8:feed:1::1 // STATIC DEFAULT ROUTE TO R3 (ISP)
r2(config)#
r2(config)#interface
serial 2/0
r2(config-if)#ipv6
rip RIPNG ?
default-information Configure handling of default route
enable Enable/disable RIP routing
metric-offset Adjust default metric increment
summary-address Configure address summarization
r2(config-if)#ipv6
rip RIPNG default-information ?
only
Advertise only the default route
originate
Originate the default route
r2(config-if)#ipv6 rip RIPNG
default-information originate // PROPAGATE DEFAULT ROUTE TO ROUTERS IN RIPng DOMAIN
r1#show
ipv6 route
IPv6
Routing Table - default - 11 entries
Codes: C
- Connected, L - Local, S - Static, U - Per-user Static route
B - BGP, HA - Home Agent, MR - Mobile
Router, R - RIP
H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA
- ISIS interarea
IS - ISIS summary, D - EIGRP, EX - EIGRP
external, ND - ND Default
NDp - ND Prefix, DCE - Destination, NDr
- Redirect, O - OSPF Intra
OI - OSPF Inter, OE1 - OSPF ext 1, OE2 -
OSPF ext 2, ON1 - OSPF NSSA ext 1
ON2 - OSPF NSSA ext 2, l - LISP
R ::/0 [120/2]
via FE80::C80C:28FF:FE64:0, Serial2/0
C 2001:DB8:CAFE:1::/64 [0/0]
via Loopback0, directly connected
L 2001:DB8:CAFE:1::1/128 [0/0]
via Loopback0, receive
C 2001:DB8:CAFE:2::/64 [0/0]
via Serial2/0, directly connected
L 2001:DB8:CAFE:2::1/128 [0/0]
via Serial2/0, receive
R 2001:DB8:CAFE:3::/64 [120/2]
via FE80::C80C:28FF:FE64:0, Serial2/0
R 2001:DB8:CAFE:10::/64 [120/2]
via FE80::C80C:28FF:FE64:0, Serial2/0
R 2001:DB8:CAFE:11::/64 [120/2]
via FE80::C80C:28FF:FE64:0, Serial2/0
R 2001:DB8:CAFE:12::/64 [120/2]
via FE80::C80C:28FF:FE64:0, Serial2/0
R 2001:DB8:FEED:1::/64 [120/2]
via FE80::C80C:28FF:FE64:0, Serial2/0
L FF00::/8 [0/0]
via Null0, receive
r1#ping 2001:db8:feed:1::1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos
to 2001:DB8:FEED:1::1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent
(5/5), round-trip min/avg/max = 8/18/28 ms
r2(config-if)#no
ipv6 rip RIPNG default-information originate
r2(config-if)#ipv6
rip RIPNG default-information ?
only
Advertise only the default route
originate
Originate the default route
r2(config-if)#ipv6 rip RIPNG
default-information only // PROPAGATES DEFAULT ROUTE BUT SUPRESSES OTHER ROUTES
r2(config-if)#
r1#show
ipv6 route
IPv6
Routing Table - default - 11 entries
Codes: C
- Connected, L - Local, S - Static, U - Per-user Static route
B - BGP, HA - Home Agent, MR - Mobile
Router, R - RIP
H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA
- ISIS interarea
IS - ISIS summary, D - EIGRP, EX - EIGRP
external, ND - ND Default
NDp - ND Prefix, DCE - Destination, NDr
- Redirect, O - OSPF Intra
OI - OSPF Inter, OE1 - OSPF ext 1, OE2 -
OSPF ext 2, ON1 - OSPF NSSA ext 1
ON2 - OSPF NSSA ext 2, l - LISP
R ::/0 [120/2]
via FE80::C80C:28FF:FE64:0, Serial2/0
C 2001:DB8:CAFE:1::/64 [0/0]
via Loopback0, directly connected
L 2001:DB8:CAFE:1::1/128 [0/0]
via Loopback0, receive
C 2001:DB8:CAFE:2::/64 [0/0]
via Serial2/0, directly connected
L 2001:DB8:CAFE:2::1/128 [0/0]
via Serial2/0, receive
R 2001:DB8:CAFE:3::/64 [120/2]
via FE80::C80C:28FF:FE64:0, Serial2/0
R 2001:DB8:CAFE:10::/64 [120/2]
via FE80::C80C:28FF:FE64:0, Serial2/0
R 2001:DB8:CAFE:11::/64 [120/2]
via FE80::C80C:28FF:FE64:0, Serial2/0
R 2001:DB8:CAFE:12::/64 [120/2]
via FE80::C80C:28FF:FE64:0, Serial2/0
R 2001:DB8:FEED:1::/64 [120/2]
via FE80::C80C:28FF:FE64:0, Serial2/0
L FF00::/8 [0/0]
via Null0, receive
r1#
r1#show
ipv6 rip
RIP
process "RIPNG", port 521, multicast-group FF02::9, pid 302
Administrative distance is 120. Maximum
paths is 16
Updates every 30 seconds, expire after 180
Holddown lasts 0 seconds, garbage collect
after 120
Split horizon is on; poison reverse is off
Default routes are not generated
Periodic updates 37, trigger updates 4
Full Advertisement 0, Delayed Events 0
Interfaces:
Serial2/0
Loopback0
Redistribution:
None
r1#
r1#clear ipv6 rip RIPNG // FORCE R1 TO REFRESH THE RIPNG ROUTING TABLE
r1#
r1#show
ipv6 route // RIPnG ROUTES WERE REMOVED IN THE ROUTING TABLE
IPv6
Routing Table - default - 5 entries
Codes: C
- Connected, L - Local, S - Static, U - Per-user Static route
B - BGP, HA - Home Agent, MR - Mobile
Router, R - RIP
H - NHRP, I1 - ISIS L1, I2 - ISIS L2, IA
- ISIS interarea
IS - ISIS summary, D - EIGRP, EX - EIGRP
external, ND - ND Default
NDp - ND Prefix, DCE - Destination, NDr
- Redirect, O - OSPF Intra
OI - OSPF Inter, OE1 - OSPF ext 1, OE2 -
OSPF ext 2, ON1 - OSPF NSSA ext 1
ON2 - OSPF NSSA ext 2, l - LISP
C 2001:DB8:CAFE:1::/64 [0/0]
via Loopback0, directly connected
L 2001:DB8:CAFE:1::1/128 [0/0]
via Loopback0, receive
C 2001:DB8:CAFE:2::/64 [0/0]
via Serial2/0, directly connected
L 2001:DB8:CAFE:2::1/128 [0/0]
via Serial2/0, receive
L FF00::/8 [0/0]
via Null0, receive
r2#sh
ipv6 rip
RIP
process "RIPNG", port 521, multicast-group FF02::9, pid 302 // RIPng USES UDP PORT 521, IPv6 MULTICAST GROUP FF02::9
Administrative distance is 120. Maximum
paths is 16
Updates every 30 seconds, expire after 180
Holddown lasts 0 seconds, garbage collect
after 120
Split horizon is on; poison reverse is off
Default routes are generated
Periodic updates 37, trigger updates 5
Full Advertisement 0, Delayed Events 0
Interfaces:
Serial2/1
Serial2/0
Loopback12
Loopback11
Loopback10
Loopback0
Redistribution:
None
r2#sh
ipv6 rip database
RIP
process "RIPNG", local RIB
2001:DB8:CAFE:1::/64, metric 2, installed
Serial2/0/FE80::C803:14FF:FEC4:0, expires
in 156 secs
2001:DB8:CAFE:2::/64, metric 2
Serial2/0/FE80::C803:14FF:FEC4:0, expires
in 156 secs
r2#sh
ipv6 rip RIPNG next-hops
RIP process "RIPNG", Next Hops
FE80::C803:14FF:FEC4:0/Serial2/0 [2 paths]
