 | Copyright © 2009, Juniper Networks, Inc. All rights reserved. Trademark Notice. | |
[edit] user@Router3# set interfaces so-6/0/0 disable # The primary interface from Router 3 to Router 2 is disabled. [edit] user@Router3# commit commit complete
Router 3
user@Router3> show rsvp session
Ingress RSVP: 2 sessions To From State Rt Style Labelin Labelout LSPname 10.245.71.52 10.245.271.53 Up 1 1 SE - 100005 Bypass->10.31.2.1 10.245.71.52 10.31.1.2 Up 0 1 SE - 0 Protected_LSP
# The backup is signaled from Router 3 to Router 2.
Total 2 displayed, Up 2, Down 0 Egress RSVP: 1 sessions To From State Rt Style Labelin Labelout LSPname 10.245.271.53 10.245.71.51 Up 0 1 SE 3 - Bypass->10.31.1.2 Total 1 displayed, Up 1, Down 0 Transit RSVP: 1 sessions To From State Rt Style Labelin Labelout LSPname 10.245.71.52 10.245.71.51 Dn 0 0 - 100000 - Protected_LSP
# The main LSP is down.
Total 1 displayed, Up 0, Down 1 user@Router3> show rsvp session detail Ingress RSVP: 2 sessions 10.245.71.52 From: 10.245.271.53, LSPstate: Up, ActiveRoute: 1 LSPname: Bypass->10.31.2.1 Suggested label received: -, Suggested label sent: - Recovery label received: -, Recovery label sent: 100005 Resv style: 1 SE, Label in: -, Label out: 100005 Time left: -, Since: Thu Aug 8 12:31:09 2002 Tspec: rate 0bps size 0bps peak Infbps m 20 M 1500 Port number: sender 1 receiver 17 protocol 0 Type: Bypass LSP PATH rcvfrom: localclient PATH sentto: 10.31.1.1 (so-1/0/0.0) 6 pkts RESV rcvfrom: 10.31.1.1 (so-1/0/0.0) 6 pkts Explct route: 10.31.1.1 10.31.3.2 Record route: <self> 10.31.1.1 10.31.3.2 10.245.71.52 From: 10.31.1.2, LSPstate: Up, ActiveRoute: 0 LSPname: Protected_LSP Suggested label received: -, Suggested label sent: - Recovery label received: -, Recovery label sent: 0 Resv style: 1 SE, Label in: -, Label out: 0 Time left: -, Since: Thu Aug 8 12:31:59 2002 Tspec: rate 0bps size 0bps peak Infbps m 20 M 1500 Port number: sender 2 receiver 33 protocol 0 Link protection desired Type: Backup LSP at Point-of-Local-Repair
# This is the backup LSP.
PATH rcvfrom: localclient PATH sentto: 10.31.2.1 (so-1/0/0.0) 5 pkts RESV rcvfrom: 10.31.3.2 (so-1/0/0.0) 2 pkts Explct route: 10.31.3.2 Record route: <self> 10.31.3.2 Total 2 displayed, Up 2, Down 0 Egress RSVP: 1 sessions 10.245.271.53 From: 10.245.71.51, LSPstate: Up, ActiveRoute: 0 LSPname: Bypass->10.31.1.2 Suggested label received: -, Suggested label sent: - Recovery label received: -, Recovery label sent: - Resv style: 1 SE, Label in: 3, Label out: - Time left: 31, Since: Thu Aug 8 12:26:48 2002 Tspec: rate 0bps size 0bps peak Infbps m 20 M 1500 Port number: sender 1 receiver 52 protocol 0 PATH rcvfrom: 10.31.2.1 (so-6/0/0.0) 23 pkts PATH sentto: localclient RESV rcvfrom: localclient Record route: 10.31.3.1 10.31.2.1 <self> Total 1 displayed, Up 1, Down 0 Transit RSVP: 1 sessions 10.245.71.52 From: 10.245.71.51, LSPstate: Dn, ActiveRoute: 0 LSPname: Protected_LSP Suggested label received: -, Suggested label sent: - Recovery label received: -, Recovery label sent: - Resv style: 0 -, Label in: 100000, Label out: - Time left: 53, Since: Thu Aug 8 12:26:39 2002 Tspec: rate 0bps size 0bps peak Infbps m 20 M 1500 Port number: sender 2 receiver 33 protocol 0 Link protection desired Type: Link protected LSP PATH rcvfrom: 10.31.1.1 (so-1/0/0.0) 30 pkts PATH sentto: [no route] Explct route: 10.31.2.1 Record route: 10.31.1.1 <self> ...incomplete Total 1 displayed, Up 0, Down 1 user@Router3> show route forwarding-table family mpls Routing table: ccc MPLS: Destination Type RtRef Next hop Type Index NhRef Netif default perm 0 dscd 1 1 0 user 0 recv 3 3 1 user 0 recv 3 3 2 user 0 recv 3 3 100000 user 0 Swap 100005[0] so-1/0/0.0 # This shows label swapping for the main LSP traveling over the backup LSP through Router 2.
Router 1
user@Router1> show rsvp session detail
Ingress RSVP: 1 sessions 10.245.71.52 From: 10.245.71.51, LSPstate: Up, ActiveRoute: 1 LSPname: Protected_LSP
# The main LSP is not affected.
Resv style: 1 SE, Label in: -, Label out: 100000 Time left: -, Since: Thu Aug 8 12:13:24 2002 Tspec: rate 0bps size 0bps peak Infbps m 20 M 1500 Port number: sender 2 receiver 33 protocol 0 Link protection desired PATH rcvfrom: localclient PATH sentto: 10.31.1.2 (so-7/3/2.0) 95 pkts RESV rcvfrom: 10.31.1.2 (so-7/3/2.0) 87 pkts Explct route: 10.31.1.2 10.31.2.1 Record route: <self> 10.31.1.2 10.31.3.2 Total 1 displayed, Up 1, Down 0 Egress RSVP: 0 sessions Total 0 displayed, Up 0, Down 0 Transit RSVP: 1 sessions 10.245.71.52 From: 10.245.271.53, LSPstate: Up, ActiveRoute: 0 LSPname: Bypass->10.31.2.1
# The bypass LSP is listed, because Router 1 does not detect the backup from Router 3 to Router 2.
Resv style: 1 SE, Label in: 100005, Label out: 0 Time left: 53, Since: Thu Aug 8 12:31:09 2002 Tspec: rate 0bps size 0bps peak Infbps m 20 M 1500 Port number: sender 1 receiver 17 protocol 0 PATH rcvfrom: 10.31.1.2 (so-7/3/2.0) 11 pkts PATH sentto: 10.31.3.2 (so-0/0/0.0) 11 pkts RESV rcvfrom: 10.31.3.2 (so-0/0/0.0) 11 pkts Explct route: 10.31.3.2 Record route: 10.31.1.2 <self> 10.31.3.2 Total 1 displayed, Up 1, Down 0 user@Router1> show route forwarding-table family mpls Routing table: ccc MPLS: Destination Type RtRef Next hop Type Index NhRef Netif default perm 0 dscd 8 1 0 user 0 recv 10 3 1 user 0 recv 10 3 2 user 0 recv 10 3 100005 user 0 Swap 0 so-0/0/0.0
# Swapping labels on the bypass LSP.
100005(S=0) user 0 Pop so-0/0/0.0 user@Router1> show route forwarding-table destination 10.31.5.1 extensive Routing table: inet [Index 0] Internet: Destination: 10.31.5.1/32 Route type: user Route reference: 0 Flags: sent to PFE Next-hop type: Push 100000
# There is only one entry here. The bypass to Router 3 is broken because the connection between Router 3 and Router 2 is disabled.
Next-hop interface: so-7/3/2.0
user@Router1> show isis adjacency
Interface System L State Hold (secs) SNPA
so-0/0/0.0 Router2 2 Up 24
so-7/3/2.0 Router3 2 Up 23
user@Router1> show route 10.31.5.1 extensive
inet.0: 22 destinations, 22 routes (21 active, 0 holddown, 1 hidden)
10.31.5.1/32 (1 entry, 1 announced)
State: <FlashAll>
TSI:
KRT in-kernel 10.31.5.1/32 -> {0.0.0.0}
*RSVP Preference: 7
Next hop: via so-7/3/2.0 weight 1, selected
# Only one entry is shown.
Label-switched-path Protected_LSP
Label operation: Push 100000
State: <Active Int>
Local AS: 69
Age: 2:21 Metric: 100
Task: RSVP
Announcement bits (1): 0-KRT
AS path: I
user@Router1> show rsvp neighbor detail
RSVP neighbor: 2 learned
Address: 10.31.1.2 via: so-7/3/2.0 status: Up
Last changed time: 2:58, Idle: 0 sec, Up cnt: 3, Down cnt: 2
Message received: 433
Hello: sent 965, received: 950, interval: 3 sec
Remote instance: 0x74be7c42, Local instance: 0x41b41b17
Refresh reduction: not operational
Link protection: disabled
Bypass LSP: does not exist, Backup routes: 0, Backup LSPs: 0
Address: 10.31.3.2 via: so-0/0/0.0 status: Up
Last changed time: 30:54, Idle: 0 sec, Up cnt: 4, Down cnt: 3
Message received: 533
Hello: sent 593, received: 573, interval: 20 sec
Remote instance: 0x194fa7af, Local instance: 0x507b7c2a
Refresh reduction: not operational
Link protection: disabled
Bypass LSP: does not exist, Backup routes: 0, Backup LSPs: 0
user@Router1> show rsvp session
Ingress RSVP: 1 sessions
To From State Rt Style Labelin Labelout LSPname
10.245.71.52 10.245.71.51 Up 1 1 SE - 100000 Protected_LSP
Total 1 displayed, Up 1, Down 0
Egress RSVP: 0 sessions
Total 0 displayed, Up 0, Down 0
Transit RSVP: 1 sessions
To From State Rt Style Labelin Labelout LSPname
10.245.71.52 10.245.271.53 Up 0 1 SE 100005 0
Bypass->10.31.2.1
Total 1 displayed, Up 1, Down 0
| Copyright © 2009, Juniper Networks, Inc. All rights reserved. Trademark Notice. | |