After much time without success, I resolve to seek help with RSVP.
I'm trying to setup a basic RSVP lab, as a basis for the next step, which is RSVP-TE/MPLS.
Alas, something seems wrong.
I'm trying to setup a basic RSVP lab, as a basis for the next step, which is RSVP-TE/MPLS.
Alas, something seems wrong.
Here is the setup:
The routers run IOS 15.4 (I also tried with IOS 12.4 without success)
RSVP is manually installed between R1, R2 and R3 to reserve bandwidth for UDP 53.
PC1 initiates DNS requests to Server1.
OSPF is setup in the backbone, and PC1 and Server1 can ping each other.
RSVP flow #1 is defined as: UDP 172.16.20.200:53 -> 172.16.10.100:0
RSVP is manually installed between R1, R2 and R3 to reserve bandwidth for UDP 53.
PC1 initiates DNS requests to Server1.
OSPF is setup in the backbone, and PC1 and Server1 can ping each other.
RSVP flow #1 is defined as: UDP 172.16.20.200:53 -> 172.16.10.100:0
Here is the RSVP Setup:
!On R1,R2 and R3, enable RSVP on all interfaces:
conf t
int f0/0
ip rsvp bandwidth 500 250
fair-queue 64 256 1000
int f0/1
ip rsvp bandwidth 500 250
fair-queue 64 256 1000
end
conf t
int f0/0
ip rsvp bandwidth 500 250
fair-queue 64 256 1000
int f0/1
ip rsvp bandwidth 500 250
fair-queue 64 256 1000
end
On R1 and R3 manually setup a RSVP flow:
!Flow#1 setup on R3
conf t
ip rsvp sender 172.16.10.100 172.16.20.200 udp 53 0 172.16.20.200 fa0/1 200 100
end
conf t
ip rsvp sender 172.16.10.100 172.16.20.200 udp 53 0 172.16.20.200 fa0/1 200 100
end
!Flow#1 setup on R1
conf t
ip rsvp reservation 172.16.10.100 172.16.20.200 udp 53 0 172.16.10.100 fa0/1 ff load 200 100
end
conf t
ip rsvp reservation 172.16.10.100 172.16.20.200 udp 53 0 172.16.10.100 fa0/1 ff load 200 100
end
Flow setup checks
R1:
R1#show ip rsvp sender
To From Pro DPort Sport Prev Hop I/F BPS
172.16.10.100 172.16.20.200 UDP 53 0 172.16.0.2 Fa0/0 200K
R1#show ip rsvp reservation
To From Pro DPort Sport Next Hop I/F Fi Serv BPS
172.16.10.100 172.16.20.200 UDP 53 0 172.16.10.100 Fa0/1 FF LOAD 200K
R1#show ip rsvp installed
RSVP: FastEthernet0/0 has no installed reservations
RSVP: FastEthernet0/1
BPS To From Protoc DPort Sport Weight Conversation
200K 172.16.10.100 172.16.20.200 UDP 53 0 6 265
To From Pro DPort Sport Prev Hop I/F BPS
172.16.10.100 172.16.20.200 UDP 53 0 172.16.0.2 Fa0/0 200K
R1#show ip rsvp reservation
To From Pro DPort Sport Next Hop I/F Fi Serv BPS
172.16.10.100 172.16.20.200 UDP 53 0 172.16.10.100 Fa0/1 FF LOAD 200K
R1#show ip rsvp installed
RSVP: FastEthernet0/0 has no installed reservations
RSVP: FastEthernet0/1
BPS To From Protoc DPort Sport Weight Conversation
200K 172.16.10.100 172.16.20.200 UDP 53 0 6 265
R2:
R2#show ip rsvp sender
To From Pro DPort Sport Prev Hop I/F BPS
172.16.10.100 172.16.20.200 UDP 53 0 172.16.0.6 Fa0/1 200K
R2#show ip rsvp reservation
To From Pro DPort Sport Next Hop I/F Fi Serv BPS
172.16.10.100 172.16.20.200 UDP 53 0 172.16.0.1 Fa0/0 FF LOAD 200K
R2#show ip rsvp installed
RSVP: FastEthernet0/0
BPS To From Protoc DPort Sport Weight Conversation
200K 172.16.10.100 172.16.20.200 UDP 53 0 6 265
RSVP: FastEthernet0/1 has no installed réservations
To From Pro DPort Sport Prev Hop I/F BPS
172.16.10.100 172.16.20.200 UDP 53 0 172.16.0.6 Fa0/1 200K
R2#show ip rsvp reservation
To From Pro DPort Sport Next Hop I/F Fi Serv BPS
172.16.10.100 172.16.20.200 UDP 53 0 172.16.0.1 Fa0/0 FF LOAD 200K
R2#show ip rsvp installed
RSVP: FastEthernet0/0
BPS To From Protoc DPort Sport Weight Conversation
200K 172.16.10.100 172.16.20.200 UDP 53 0 6 265
RSVP: FastEthernet0/1 has no installed réservations
R3:
R3#show ip rsvp sender
To From Pro DPort Sport Prev Hop I/F BPS
172.16.10.100 172.16.20.200 UDP 53 0 172.16.20.200 Fa0/1 200K
R3#show ip rsvp reservation
To From Pro DPort Sport Next Hop I/F Fi Serv BPS
172.16.10.100 172.16.20.200 UDP 53 0 172.16.0.5 Fa0/0 FF LOAD 200K
R3#show ip rsvp installed
RSVP: FastEthernet0/0
BPS To From Protoc DPort Sport Weight Conversation
200K 172.16.10.100 172.16.20.200 UDP 53 0 6 265
RSVP: FastEthernet0/1 has no installed reservations
To From Pro DPort Sport Prev Hop I/F BPS
172.16.10.100 172.16.20.200 UDP 53 0 172.16.20.200 Fa0/1 200K
R3#show ip rsvp reservation
To From Pro DPort Sport Next Hop I/F Fi Serv BPS
172.16.10.100 172.16.20.200 UDP 53 0 172.16.0.5 Fa0/0 FF LOAD 200K
R3#show ip rsvp installed
RSVP: FastEthernet0/0
BPS To From Protoc DPort Sport Weight Conversation
200K 172.16.10.100 172.16.20.200 UDP 53 0 6 265
RSVP: FastEthernet0/1 has no installed reservations
Nature of the problem
The problem is that, after some DNS traffic has occured between PC1 and Server1 (I tried in both directions), no packet seem treated by RSVP :
R1:
R1#show ip rsvp installed detail | include given
Data given reserved service: 0 packets (0 bytes)
Data given best-effort service: 0 packets (0 bytes)
Data given reserved service: 0 packets (0 bytes)
Data given best-effort service: 0 packets (0 bytes)
R2:
R2#show ip rsvp installed detail | include given
Data given reserved service: 0 packets (0 bytes)
Data given best-effort service: 0 packets (0 bytes)
Data given reserved service: 0 packets (0 bytes)
Data given best-effort service: 0 packets (0 bytes)
R3:
R3#show ip rsvp installed detail | include given
Data given reserved service: 0 packets (0 bytes)
Data given best-effort service: 0 packets (0 bytes)
Data given reserved service: 0 packets (0 bytes)
Data given best-effort service: 0 packets (0 bytes)
Does anybody have a hint why no packet gets classified?
PS: full output for R1:
R1#show ip rsvp installed detail
RSVP: FastEthernet0/0 has no installed reservations
RSVP: FastEthernet0/1 has the following installed reservations
RSVP Reservation. Destination is 172.16.10.100. Source is 172.16.20.200,
Protocol is UDP, Destination port is 53, Source port is 0
Traffic Control ID handle: 01000405
Created: 00:02:15 UTC Fri Mar 1 2002
Admitted flowspec:
Reserved bandwidth: 200K bits/sec, Maximum burst: 100K bytes, Peak rate: 200K bits/sec
Min Policed Unit: 0 bytes, Max Pkt Size: 0 bytes
Resource provider for this flow:
WFQ on hw idb Fa0/1: RESERVED queue 265. Weight: 6, BW 200 kbps
Conversation supports 1 reservations [0x1000404]
Data given reserved service: 0 packets (0 bytes)
Data given best-effort service: 0 packets (0 bytes)
Reserved traffic classified for 415 seconds
Long-term average bitrate (bits/sec): 0 reserved, 0 best-effort
Policy: INSTALL. Policy source(s): Default
RSVP Reservation. Destination is 172.16.10.100. Source is 172.16.20.200,
Protocol is UDP, Destination port is 53, Source port is 0
Traffic Control ID handle: 01000405
Created: 00:02:15 UTC Fri Mar 1 2002
Admitted flowspec:
Reserved bandwidth: 200K bits/sec, Maximum burst: 100K bytes, Peak rate: 200K bits/sec
Min Policed Unit: 0 bytes, Max Pkt Size: 0 bytes
Resource provider for this flow:
WFQ on hw idb Fa0/1: RESERVED queue 265. Weight: 6, BW 200 kbps
Conversation supports 1 reservations [0x1000404]
Data given reserved service: 0 packets (0 bytes)
Data given best-effort service: 0 packets (0 bytes)
Reserved traffic classified for 415 seconds
Long-term average bitrate (bits/sec): 0 reserved, 0 best-effort
Policy: INSTALL. Policy source(s): Default
R1#
--
R2#show ip rsvp installed detail
--
R2#show ip rsvp installed detail
RSVP: FastEthernet0/0 has the following installed reservations
RSVP Reservation. Destination is 172.16.10.100. Source is 172.16.20.200,
Protocol is UDP, Destination port is 53, Source port is 0
Traffic Control ID handle: 01000404
Created: 00:02:12 UTC Fri Mar 1 2002
Admitted flowspec:
Reserved bandwidth: 200K bits/sec, Maximum burst: 100K bytes, Peak rate: 200K bits/sec
Min Policed Unit: 0 bytes, Max Pkt Size: 0 bytes
Resource provider for this flow:
WFQ on hw idb Fa0/0: RESERVED queue 265. Weight: 6, BW 200 kbps
Conversation supports 1 reservations [0x1000403]
Data given reserved service: 0 packets (0 bytes)
Data given best-effort service: 0 packets (0 bytes)
Reserved traffic classified for 486 seconds
Long-term average bitrate (bits/sec): 0 reserved, 0 best-effort
Policy: INSTALL. Policy source(s): Default
RSVP Reservation. Destination is 172.16.10.100. Source is 172.16.20.200,
Protocol is UDP, Destination port is 53, Source port is 0
Traffic Control ID handle: 01000404
Created: 00:02:12 UTC Fri Mar 1 2002
Admitted flowspec:
Reserved bandwidth: 200K bits/sec, Maximum burst: 100K bytes, Peak rate: 200K bits/sec
Min Policed Unit: 0 bytes, Max Pkt Size: 0 bytes
Resource provider for this flow:
WFQ on hw idb Fa0/0: RESERVED queue 265. Weight: 6, BW 200 kbps
Conversation supports 1 reservations [0x1000403]
Data given reserved service: 0 packets (0 bytes)
Data given best-effort service: 0 packets (0 bytes)
Reserved traffic classified for 486 seconds
Long-term average bitrate (bits/sec): 0 reserved, 0 best-effort
Policy: INSTALL. Policy source(s): Default
RSVP: FastEthernet0/1 has no installed reservations
R2#
--
R3#show ip rsvp installed detail
R2#
--
R3#show ip rsvp installed detail
RSVP: FastEthernet0/0 has the following installed reservations
RSVP Reservation. Destination is 172.16.10.100. Source is 172.16.20.200,
Protocol is UDP, Destination port is 53, Source port is 0
Traffic Control ID handle: 01000405
Created: 00:02:09 UTC Fri Mar 1 2002
Admitted flowspec:
Reserved bandwidth: 200K bits/sec, Maximum burst: 100K bytes, Peak rate: 200K bits/sec
Min Policed Unit: 0 bytes, Max Pkt Size: 0 bytes
Resource provider for this flow:
WFQ on hw idb Fa0/0: RESERVED queue 265. Weight: 6, BW 200 kbps
Conversation supports 1 reservations [0x1000404]
Data given reserved service: 0 packets (0 bytes)
Data given best-effort service: 0 packets (0 bytes)
Reserved traffic classified for 527 seconds
Long-term average bitrate (bits/sec): 0 reserved, 0 best-effort
Policy: INSTALL. Policy source(s): Default
RSVP Reservation. Destination is 172.16.10.100. Source is 172.16.20.200,
Protocol is UDP, Destination port is 53, Source port is 0
Traffic Control ID handle: 01000405
Created: 00:02:09 UTC Fri Mar 1 2002
Admitted flowspec:
Reserved bandwidth: 200K bits/sec, Maximum burst: 100K bytes, Peak rate: 200K bits/sec
Min Policed Unit: 0 bytes, Max Pkt Size: 0 bytes
Resource provider for this flow:
WFQ on hw idb Fa0/0: RESERVED queue 265. Weight: 6, BW 200 kbps
Conversation supports 1 reservations [0x1000404]
Data given reserved service: 0 packets (0 bytes)
Data given best-effort service: 0 packets (0 bytes)
Reserved traffic classified for 527 seconds
Long-term average bitrate (bits/sec): 0 reserved, 0 best-effort
Policy: INSTALL. Policy source(s): Default
RSVP: FastEthernet0/1 has no installed reservations
R3#
--
R3#
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