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QOS with GRE tunnel

Hi

Got a remote site linked to my main campus by a encrypted GRE tunnel. The remote site gateway is also SRST. My problem is the remote site gateway is losing it's connection from time to time with the campus CUCM.

I was able to give priority to the phone over the wan link with QOS pre classify. For the MGCP, I've got no match.

Any idea?

2 REPLIES
Hall of Fame Super Bronze

Re: QOS with GRE tunnel

For the MGCP, I've got no match.

MGCP uses TCP/UDP Port 2427

Can you post config and service policy output?

__

Edison.

Re: QOS with GRE tunnel

GigabitEthernet0/1

Service-policy output: parent_shaping

Class-map: class-default (match-any)

1431901218 packets, 1160148436053 bytes

5 minute offered rate 10000 bps, drop rate 0 bps

Match: any

Traffic Shaping

Target/Average Byte Sustain Excess Interval Increment

Rate Limit bits/int bits/int (ms) (bytes)

1544000/1544000 9650 38600 38600 25 4825

Adapt Queue Packets Bytes Packets Bytes Shaping

Active Depth Delayed Delayed Active

- 0 1428775733 2206489236 801325183 2505788639 no

Service-policy : child-shaping-GigabitEthernet0/1

Class-map: Voice-GigabitEthernet0/1 (match-any)

124630577 packets, 29388460155 bytes

5 minute offered rate 0 bps, drop rate 0 bps

Match: protocol rtp audio

0 packets, 0 bytes

5 minute rate 0 bps

Match: ip precedence 5

124630577 packets, 29388460155 bytes

5 minute rate 0 bps

Queueing

Strict Priority

Output Queue: Conversation 72

Bandwidth 70 (%)

Bandwidth 1080 (kbps) Burst 27000 (Bytes)

(pkts matched/bytes matched) 41102498/12680153548

(total drops/bytes drops) 0/0

QoS Set

dscp ef

Packets marked 124630577

Class-map: Trans-GigabitEthernet0/1 (match-any)

11743 packets, 2173208 bytes

5 minute offered rate 1000 bps, drop rate 0 bps

Match: protocol ssh

11729 packets, 2172408 bytes

5 minute rate 1000 bps

Match: protocol telnet

14 packets, 800 bytes

5 minute rate 0 bps

Queueing

Output Queue: Conversation 74

Bandwidth remaining 33 (%) Max Threshold 64 (packets)

(pkts matched/bytes matched) 4752/766900

(depth/total drops/no-buffer drops) 0/0/0

QoS Set

dscp af21

Packets marked 11751

Class-map: Signal-GigabitEthernet0/1 (match-any)

0 packets, 0 bytes

5 minute offered rate 0 bps, drop rate 0 bps

Match: protocol mgcp

0 packets, 0 bytes

5 minute rate 0 bps

Match: ip precedence 3

0 packets, 0 bytes

5 minute rate 0 bps

Queueing

Output Queue: Conversation 76

Bandwidth remaining 40 (%) Max Threshold 64 (packets)

(pkts matched/bytes matched) 0/0

(depth/total drops/no-buffer drops) 0/0/0

QoS Set

dscp cs3

Packets marked 0

Class-map: class-default (match-any)

1307258961 packets, 1130757871642 bytes

5 minute offered rate 10000 bps, drop rate 0 bps

Match: any

Queueing

Output Queue: Conversation 77

Bandwidth remaining 20 (%) Max Threshold 64 (packets)

(pkts matched/bytes matched) 762794224/778641892439

(depth/total drops/no-buffer drops) 0/3125545/0

Vlan820

Service-policy input: voice

Class-map: voip (match-all)

120993353 packets, 25892456892 bytes

5 minute offered rate 0 bps, drop rate 0 bps

Match: ip rtp 16384 16383

QoS Set

dscp ef

Packets marked 120993353

Class-map: class-default (match-any)

17643523 packets, 1143406405 bytes

5 minute offered rate 0 bps, drop rate 0 bps

Match: any

QoS Set

dscp default

Packets marked 1764352

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